PR#1: housekeeping - librejs

@@ -1,7909 +0,0 @@

- (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){

- /**

- * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.

- * *

- * Copyright (C) 2017 Nathan Nichols

- *

- * This file is part of GNU LibreJS.

- *

- * GNU LibreJS is free software: you can redistribute it and/or modify

- * it under the terms of the GNU General Public License as published by

- * the Free Software Foundation, either version 3 of the License, or

- * (at your option) any later version.

- *

- * GNU LibreJS is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

- * GNU General Public License for more details.

- *

- * You should have received a copy of the GNU General Public License

- * along with GNU LibreJS.  If not, see <http://www.gnu.org/licenses/>.

- */

- var acorn_base = require("acorn");

- var acorn = require('acorn/dist/acorn_loose');

- var jssha = require('jssha');

- var walk = require("acorn/dist/walk");

- console.log("main_background.js");

- /**

- *	If this is true, it evaluates entire scripts instead of returning as soon as it encounters a violation.

- *

- *	Also, it controls whether or not this part of the code logs to the console.

- *

- */

- var DEBUG = false; // debug the JS evaluation

- var PRINT_DEBUG = false; // Everything else

- function dbg_print(a,b){

- 	if(PRINT_DEBUG == true){

- 		if(b === undefined){

- 			console.log(a);

- 		} else{

- 			console.log(a,b);

- 		}

- 	}

- }

- /**

- *	Wrapper around crypto lib

- *

- */

- function hash(source){

- 	var shaObj = new jssha("SHA-256","TEXT")

- 	shaObj.update(source);

- 	return shaObj.getHash("HEX");

- }

- // the list of all available event attributes

- var intrinsicEvents = [

-     "onload",

-     "onunload",

-     "onclick",

-     "ondblclick",

-     "onmousedown",

-     "onmouseup",

-     "onmouseovr",

-     "onmousemove",

-     "onmouseout",

-     "onfocus",

-     "onblur",

-     "onkeypress",

-     "onkeydown",

-     "onkeyup",

-     "onsubmit",

-     "onreset",

-     "onselect",

-     "onchange"

- ];

- /*

- 	NONTRIVIAL THINGS:

- 	- Fetch

- 	- XMLhttpRequest

- 	- eval()

- 	- ?

- 	JAVASCRIPT CAN BE FOUND IN:

- 	- Event handlers (onclick, onload, onsubmit, etc.)

- 	- <script>JS</script>

- 	- <script src="/JS.js"></script>

- 	WAYS TO DETERMINE PASS/FAIL:

- 	- "// @license [magnet link] [identifier]" then "// @license-end" (may also use /* comments)

- 	- Automatic whitelist: (http://bzr.savannah.gnu.org/lh/librejs/dev/annotate/head:/data/script_libraries/script-libraries.json_

- */

- var licenses = {

- 	'Apache-2.0':{

- 		'URL': 'http://www.apache.org/licenses/LICENSE-2.0',

- 		'Magnet link': 'magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt'

- 	},

- 	// No identifier was present in documentation

- 	'Artistic-2.0':{

- 		'URL': 'http://www.perlfoundation.org/artistic_license_2_0',

- 		'Magnet link': 'magnet:?xt=urn:btih:54fd2283f9dbdf29466d2df1a98bf8f65cafe314&dn=artistic-2.0.txt'

- 	},

- 	// No identifier was present in documentation

- 	'Boost':{

- 		'URL': 'http://www.boost.org/LICENSE_1_0.txt',

- 		'Magnet link': 'magnet:?xt=urn:btih:89a97c535628232f2f3888c2b7b8ffd4c078cec0&dn=Boost-1.0.txt'

- 	},

- 	// No identifier was present in documentation

- 	'BSD-3-Clause':{

- 		'URL': 'http://opensource.org/licenses/BSD-3-Clause',

- 		'Magnet link': 'magnet:?xt=urn:btih:c80d50af7d3db9be66a4d0a86db0286e4fd33292&dn=bsd-3-clause.txt',

- 	},

- 	'CPAL-1.0':{

- 		'URL': 'http://opensource.org/licenses/cpal_1.0',

- 		'Magnet link': 'magnet:?xt=urn:btih:84143bc45939fc8fa42921d619a95462c2031c5c&dn=cpal-1.0.txt'

- 	},

- 	'CC0-1.0':{

- 		'URL': 'http://creativecommons.org/publicdomain/zero/1.0/legalcode',

- 		'Magnet link': 'magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt'

- 	},

- 	'EPL-1.0':{

- 		'URL': 'http://www.eclipse.org/legal/epl-v10.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:4c6a2ad0018cd461e9b0fc44e1b340d2c1828b22&dn=epl-1.0.txt'

- 	},

- 	'Expat':{

- 		'URL': 'http://www.jclark.com/xml/copying.txt',

- 		'Magnet link': 'magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt'

- 	},

- 	'FreeBSD':{

- 		'URL': 'http://www.freebsd.org/copyright/freebsd-license.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:87f119ba0b429ba17a44b4bffcab33165ebdacc0&dn=freebsd.txt'

- 	},

- 	'GPL-2.0':{

- 		'URL': 'http://www.gnu.org/licenses/gpl-2.0.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt'

- 	},

- 	'GPL-3.0':{

- 		'URL': 'http://www.gnu.org/licenses/gpl-3.0.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt'

- 	},

- 	'LGPL-2.1':{

- 		'URL': 'http://www.gnu.org/licenses/lgpl-2.1.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:5de60da917303dbfad4f93fb1b985ced5a89eac2&dn=lgpl-2.1.txt'

- 	},

- 	'LGPL-3.0':{

- 		'URL': 'http://www.gnu.org/licenses/lgpl-3.0.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:0ef1b8170b3b615170ff270def6427c317705f85&dn=lgpl-3.0.txt'

- 	},

- 	'AGPL-3.0':{

- 		'URL': 'http://www.gnu.org/licenses/agpl-3.0.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt'

- 	},

- 	'ISC':{

- 		'URL': 'https://www.isc.org/downloads/software-support-policy/isc-license/',

- 		'Magnet link': 'magnet:?xt=urn:btih:b8999bbaf509c08d127678643c515b9ab0836bae&dn=ISC.txt'

- 	},

- 	'MPL-2.0':{

- 		'URL': 'http://www.mozilla.org/MPL/2.0',

- 		'Magnet link': 'magnet:?xt=urn:btih:3877d6d54b3accd4bc32f8a48bf32ebc0901502a&dn=mpl-2.0.txt'

- 	},

- 	'UPL-1.0': {

- 		'URL': 'https://oss.oracle.com/licenses/upl/',

- 		'Magnet link': 'magnet:?xt=urn:btih:478974f4d41c3fa84c4befba25f283527fad107d&dn=upl-1.0.txt'

- 	},

- 	'WTFPL': {

- 		'URL': 'http://www.wtfpl.net/txt/copying/',

- 		'Magnet link': 'magnet:?xt=urn:btih:723febf9f6185544f57f0660a41489c7d6b4931b&dn=wtfpl.txt'

- 	},

- 	'Unlicense':{

- 		'URL': 'http://unlicense.org/UNLICENSE',

- 		'Magnet link': 'magnet:?xt=urn:btih:5ac446d35272cc2e4e85e4325b146d0b7ca8f50c&dn=unlicense.txt'

- 	},

- 	// No identifier was present in documentation

- 	'X11':{

- 		'URL': 'http://www.xfree86.org/3.3.6/COPYRIGHT2.html#3',

- 		'Magnet link': 'magnet:?xt=urn:btih:5305d91886084f776adcf57509a648432709a7c7&dn=x11.txt'

- 	},

- 	// Picked one of the two links that were there

- 	'Modified-BSD':{

- 		'URL': 'http://www.xfree86.org/current/LICENSE4.html',

- 		'Magnet link': 'magnet:?xt=urn:btih:12f2ec9e8de2a3b0002a33d518d6010cc8ab2ae9&dn=xfree86.txt'

- 	}

- }

- // Objects which could be used to do nontrivial things.

- // Scripts are not allowed to call any methods on these objects or access them in any way.

- var reserved_objects = [

- 	//"document",

- 	//"window",

- 	"fetch",

- 	"XMLHttpRequest",

- 	"chrome", // only on chrome

- 	"browser", // only on firefox

- 	"eval"

- ];

- // the list of all available event attributes

- var intrinsic_events = [

-     "onload",

-     "onunload",

-     "onclick",

-     "ondblclick",

-     "onmousedown",

-     "onmouseup",

-     "onmouseover",

-     "onmousemove",

-     "onmouseout",

-     "onfocus",

-     "onblur",

-     "onkeypress",

-     "onkeydown",

-     "onkeyup",

-     "onsubmit",

-     "onreset",

-     "onselect",

-     "onchange"

- ];

- // TODO: make it so that there is a list of objects that have certain banned methods (which also means it must ban bracket suffix notation on these objects)

- // Default whitelist, comes from the script in hash_script

- var default_whitelist = 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- /**

- *

- *	Sets global variable "webex" to either "chrome" or "browser" for

- *	use on Chrome or a Firefox variant.

- *

- *	Change this to support a new browser that isn't Chrome or Firefox,

- *	given that it supports webExtensions.

- *

- *	(Use the variable "webex" for all API calls after calling this)

- */

- var webex;

- function set_webex(){

- 	if(typeof(browser) == "object"){

- 		webex = browser;

- 	}

- 	if(typeof(chrome) == "object"){

- 		webex = chrome;

- 	}

- }

- // Generates JSON key for local storage

- function get_storage_key(script_name,src_hash){

- 	return script_name;

- }

- /*

- *

- *	Called when something changes the persistent data of the add-on.

- *

- *	The only things that should need to change this data are:

- *	a) The "Whitelist this page" button

- *	b) The options screen

- *

- *	When the actual blocking is implemented, this will need to comminicate

- *	with its code to update accordingly

- *

- */

- function options_listener(changes, area){

- 	// The cache must be flushed when settings are changed

- 	// TODO: See if this can be minimized

- 	function flushed(){

- 		dbg_print("cache flushed");

- 	}

- 	//var flushingCache = webex.webRequest.handlerBehaviorChanged(flushed);

- 	dbg_print("Items updated in area" + area +": ");

- 	var changedItems = Object.keys(changes);

- 	var changed_items = "";

- 	for (var i = 0; i < changedItems.length; i++){

- 		var item = changedItems[i];

- 		changed_items += item + ",";

- 	}

- 	dbg_print(changed_items);

- }

- /**

- *	Executes the "Display this report in new tab" function

- *	by opening a new tab with whatever HTML is in the popup

- *	at the moment.

- */

- var active_connections = {};

- var unused_data = {};

- function open_popup_tab(data){

- 	dbg_print(data);

- 	function gotPopup(popupURL){

- 		var creating = webex.tabs.create({"url":popupURL},function(a){

- 			dbg_print("[TABID:"+a["id"]+"] creating unused data entry from parent window's content");

- 			unused_data[a["id"]] = data;

- 		});

- 	}

- 	var gettingPopup = webex.browserAction.getPopup({},gotPopup);

- }

- /**

- *

- *	Clears local storage (the persistent data)

- *

- */

- function debug_delete_local(){

- 	webex.storage.local.clear();

- 	dbg_print("Local storage cleared");

- }

- /**

- *

- *	Prints local storage (the persistent data) as well as the temporary popup object

- *

- */

- function debug_print_local(){

- 	function storage_got(items){

- 		dbg_print("%c Local storage: ", 'color: red;');

- 		for(var i in items){

- 			dbg_print("%c "+i+" = "+items[i], 'color: blue;');

- 		}

- 	}

- 	dbg_print("%c Variable 'unused_data': ", 'color: red;');

- 	dbg_print(unused_data);

- 	webex.storage.local.get(storage_got);

- }

- /**

- *

- *

- *	Sends a message to the content script that sets the popup entries for a tab.

- *

- *	var example_blocked_info = {

- *		"accepted": [["REASON 1","SOURCE 1"],["REASON 2","SOURCE 2"]],

- *		"blocked": [["REASON 1","SOURCE 1"],["REASON 2","SOURCE 2"]],

- *		"url": "example.com"

- *	}

- *

- *	NOTE: This WILL break if you provide inconsistent URLs to it.

- *	Make sure it will use the right URL when refering to a certain script.

- *

- */

- function update_popup(tab_id,blocked_info,update=false){

- 	var new_blocked_data;

- 	function get_sto(items){

- 		//************************************************************************//

- 		// Move scripts that are accepted/blocked but whitelisted to "whitelisted" category

- 		// (Ideally, they just would not be tested in the first place because that would be faster)

- 		var url = blocked_info["url"];

- 		if(url === undefined){

- 			console.error("No url passed to update_popup");

- 			return 1;

- 		}

- 		function get_status(script_name){

- 			var temp = script_name.match(/\(.*?\)/g);

- 			if(temp == null){

- 				return "none"

- 			}

- 			var src_hash = temp[temp.length-1].substr(1,temp[0].length-2);

- 			for(var i in items){

- 				var res = i.match(/\(.*?\)/g);

- 				if(res != null){

- 					var test_hash = res[res.length-1].substr(1,res[0].length-2);

- 					if(test_hash == src_hash){

- 						return items[i];

- 					}

- 				}

- 			}

- 			if(default_whitelist[src_hash] !== undefined){

- 				//console.log("Found script in default whitelist: "+default_whitelist[src_hash]);

- 				return "whitelist";

- 			} else{

- 				//console.log("script " + script_name + " not in default whitelist.");

- 			}

- 			return "none";

- 		}

- 		function is_bl(script_name){

- 			if(get_status(script_name) == "blacklist"){

- 				return true;

- 			}

- 			return false;

- 		}

- 		function is_wl(script_name){

- 			if(get_status(script_name) == "whitelist"){

- 				return true;

- 			}

- 			return false;

- 		}

- 		new_blocked_data = {

- 			"accepted":[],

- 			"blocked":[],

- 			"blacklisted":[],

- 			"whitelisted":[],

- 			"url": url

- 		};

- 		for(var type in blocked_info){

- 			for(var script_arr in blocked_info[type]){

- 				if(is_bl(blocked_info[type][script_arr][0])){

- 					new_blocked_data["blacklisted"].push(blocked_info[type][script_arr]);

- 					//console.log("Script " + blocked_info[type][script_arr][0] + " is blacklisted");

- 					continue;

- 				}

- 				if(is_wl(blocked_info[type][script_arr][0])){

- 					new_blocked_data["whitelisted"].push(blocked_info[type][script_arr]);

- 					//console.log("Script " + blocked_info[type][script_arr][0] + " is whitelisted");

- 					continue;

- 				}

- 				if(type == "url"){

- 					continue;

- 				}

- 				// either "blocked" or "accepted"

- 				new_blocked_data[type].push(blocked_info[type][script_arr]);

- 				//console.log("Script " + blocked_info[type][script_arr][0] + " isn't whitelisted or blacklisted");

- 			}

- 		}

- 		dbg_print(new_blocked_data);

- 		//***********************************************************************************************//

- 		// store the blocked info until it is opened and needed

- 		if(update == false && active_connections[tab_id] === undefined){

- 			dbg_print("[TABID:"+tab_id+"]"+"Storing blocked_info for when the browser action is opened or asks for it.");

- 			if(tab_id == undefined){

- 				dbg_print("UNDEFINED TAB_ID");

- 			}

- 			unused_data[tab_id] = new_blocked_data;

- 		} else{

- 			if(tab_id == undefined){

- 				dbg_print("UNDEFINED TAB_ID");

- 			}

- 			unused_data[tab_id] = new_blocked_data;

- 			dbg_print("[TABID:"+tab_id+"]"+"Sending blocked_info directly to browser action");

- 			active_connections[tab_id].postMessage({"show_info":new_blocked_data});

- 			delete active_connections[tab_id];

- 		}

- 	}

- 	webex.storage.local.get(get_sto);

- }

- /**

- *

- *	This is what you call when a page gets changed to update the info box.

- *

- *	Sends a message to the content script that adds a popup entry for a tab.

- *

- *	var example_blocked_info = {

- *		"accepted"or "blocked": ["name","reason"],

- *		"url": "example.com"

- *	}

- *

- *	Returns true/false based on if script should be accepted/denied respectively

- *

- *	NOTE: This WILL break if you provide inconsistent URLs to it.

- *	Make sure it will use the right URL when refering to a certain script.

- *

- */

- function add_popup_entry(tab_id,src_hash,blocked_info,update=false){

- 	return new Promise((resolve, reject) => {

- 		var new_blocked_data;

- 		// Make sure the entry in unused_data exists

- 		var url = blocked_info["url"];

- 		if(url === undefined){

- 			console.error("No url passed to update_popup");

- 			return 1;

- 		}

- 		if(unused_data[tab_id] === undefined){

- 			unused_data[tab_id] = {

- 				"accepted":[],

- 				"blocked":[],

- 				"blacklisted":[],

- 				"whitelisted":[],

- 				"url": url

- 			};

- 		}

- 		if(unused_data[tab_id]["accepted"] === undefined){unused_data[tab_id]["accepted"] = [];}

- 		if(unused_data[tab_id]["blocked"] === undefined){unused_data[tab_id]["blocked"] = [];}

- 		if(unused_data[tab_id]["blacklisted"] === undefined){unused_data[tab_id]["blacklisted"] = [];}

- 		if(unused_data[tab_id]["whitelisted"] === undefined){unused_data[tab_id]["whitelisted"] = [];}

- 		var type = "";

- 		if(blocked_info["accepted"] !== undefined){

- 			type = "accepted";

- 		}

- 		if(blocked_info["blocked"] !== undefined){

- 			type = "blocked";

- 		}

- 		function get_sto(items){

- 			function get_status(script_name,src_hash){

- 				var temp = script_name.match(/\(.*?\)/g);

- 				if(temp == null){

- 					return "none"

- 				}

- 				var src_hash = temp[temp.length-1].substr(1,temp[0].length-2);

- 				for(var i in items){

- 					var res = i.match(/\(.*?\)/g);

- 					if(res != null){

- 						var test_hash = res[res.length-1].substr(1,res[0].length-2);

- 						if(test_hash == src_hash){

- 							return items[i];

- 						}

- 					}

- 				}

- 				if(default_whitelist[src_hash] !== undefined){

- 					//console.log("Found script in default whitelist: "+default_whitelist[src_hash]);

- 					return "whitelist";

- 				} else{

- 					//console.log("script " + script_name + " not in default whitelist.");

- 				}

- 				return "none";

- 			}

- 			function is_bl(script_name){

- 				if(get_status(script_name) == "blacklist"){

- 					return true;

- 				}

- 				return false;

- 			}

- 			function is_wl(script_name){

- 				if(get_status(script_name) == "whitelist"){

- 					return true;

- 				}

- 				return false;

- 			}

- 			// Search unused data for the given entry

- 			function not_duplicate(entry,key){

- 				var flag = true;

- 				for(var i = 0; i < unused_data[tab_id][entry].length; i++){

- 					if(unused_data[tab_id][entry][i][0] == key[0]){

- 						flag = false;

- 					}

- 				}

- 				return flag;

- 			}

- 			var type_key = "";

- 			var res = "";

- 			if(is_bl(blocked_info[type][0])){

- 				type_key = "blacklisted";

- 				res = "bl";

- 				//console.log("Script " + blocked_info[type][0] + " is blacklisted");

- 			}

- 			else if(is_wl(blocked_info[type][0])){

- 				type_key = "whitelisted";

- 				res = "wl";

- 				//console.log("Script " + blocked_info[type][0] + " is whitelisted");

- 			} else{

- 				type_key = type;

- 				res = "none";

- 				//console.log("Script " + blocked_info[type][0] + " isn't whitelisted or blacklisted");

- 			}

- 			if(not_duplicate(type_key,blocked_info[type])){

- 				dbg_print(unused_data);

- 				dbg_print(unused_data[tab_id]);

- 				dbg_print(type_key);

- 				unused_data[tab_id][type_key].push(blocked_info[type]);

- 				resolve(res);

- 			} else{

- 				resolve(res);

- 			}

- 		}

- 		webex.storage.local.get(get_sto);

- 	});

- }

- function get_domain(url){

- 	var domain = url.replace('http://','').replace('https://','').split(/[/?#]/)[0];

- 	if(url.indexOf("http://") == 0){

- 		domain = "http://" + domain;

- 	}

- 	else if(url.indexOf("https://") == 0){

- 		domain = "https://" + domain;

- 	}

- 	domain = domain + "/";

- 	domain = domain.replace(/ /g,"");

- 	return domain;

- }

- /**

- *

- *	This is the callback where the content scripts of the browser action will contact the background script.

- *

- */

- var portFromCS;

- function connected(p) {

- 	if(p["name"] == "contact_finder"){

- 		// Send a message back with the relevant settings

- 		function cb(items){

- 			p.postMessage(items);

- 		}

- 		webex.storage.local.get(cb);

- 		return;

- 	}

- 	p.onMessage.addListener(function(m) {

- 		/**

- 		*	Updates the entry of the current URL in storage

- 		*/

- 		function set_script(script,val){

- 			if(val != "whitelist" && val != "forget" && val != "blacklist"){

- 				console.error("Key must be either 'whitelist', 'blacklist' or 'forget'");

- 			}

- 			// (Remember that we do not trust the names of scripts.)

- 			var current_url = "";

- 			function geturl(tabs) {

- 				current_url = tabs[0]["url"];

- 				var domain = get_domain(current_url);

- 				// The space char is a valid delimiter because encodeURI() replaces it with %20

- 				var scriptkey = m[val][0];

- 				if(val == "forget"){

- 					var prom = webex.storage.local.remove(scriptkey);

- 					// TODO: This should produce a "Refresh the page for this change to take effect" message

- 				} else{

- 					var newitem = {};

- 					newitem[scriptkey] = val;

- 					webex.storage.local.set(newitem);

- 				}

- 			}

- 			var querying = webex.tabs.query({active: true,currentWindow: true},geturl);

- 			return;

- 		}

- 		var update = false;

- 		var contact_finder = false;

- 		if(m["whitelist"] !== undefined){

- 			set_script(m["whitelist"][0],"whitelist");

- 			update = true;

- 		}

- 		if(m["blacklist"] !== undefined){

- 			set_script(m["blacklist"][0],"blacklist");

- 			update = true;

- 		}

- 		if(m["forget"] !== undefined){

- 			set_script(m["forget"][0],"forget");

- 			update = true;

- 		}

- 		//

- 		if(m["open_popup_tab"] !== undefined){

- 			open_popup_tab(m["open_popup_tab"]);

- 		}

- 		// a debug feature

- 		if(m["printlocalstorage"] !== undefined){

- 			debug_print_local();

- 		}

- 		// invoke_contact_finder

- 		if(m["invoke_contact_finder"] !== undefined){

- 			contact_finder = true;

- 			inject_contact_finder();

- 		}

- 		// a debug feature (maybe give the user an option to do this?)

- 		if(m["deletelocalstorage"] !== undefined){

- 			debug_delete_local();

- 		}

- 		// Add this domain to the whitelist

- 		if(m["allow_all"] !== undefined){

- 			var domain = get_domain(m["allow_all"]["url"]);

- 			add_csv_whitelist(domain);

- 		}

- 		// Remote this domain from the whitelist

- 		if(m["block_all"] !== undefined){

- 			var domain = get_domain(m["block_all"]["url"]);

- 			remove_csv_whitelist(domain);

- 		}

- 		function logTabs(tabs) {

- 			if(contact_finder){

- 				dbg_print("[TABID:"+tab_id+"] Injecting contact finder");

- 				//inject_contact_finder(tabs[0]["id"]);

- 			}

- 			if(update){

- 				dbg_print("%c updating tab "+tabs[0]["id"],"color: red;");

- 				update_popup(tabs[0]["id"],unused_data[tabs[0]["id"]],true);

- 				active_connections[tabs[0]["id"]] = p;

- 			}

- 			for(var i = 0; i < tabs.length; i++) {

- 				var tab = tabs[i];

- 				var tab_id = tab["id"];

- 				if(unused_data[tab_id] !== undefined){

- 					// If we have some data stored here for this tabID, send it

- 					dbg_print("[TABID:"+tab_id+"]"+"Sending stored data associated with browser action");

- 					p.postMessage({"show_info":unused_data[tab_id]});

- 				} else{

- 					// create a new entry

- 					unused_data[tab_id] = {"url":tab["url"],"blocked":"","accepted":""};

- 					p.postMessage({"show_info":unused_data[tab_id]});

- 					dbg_print("[TABID:"+tab_id+"]"+"No data found, creating a new entry for this window.");

- 				}

- 			}

- 		}

- 		var querying = webex.tabs.query({active: true,currentWindow: true},logTabs);

- 	});

- }

- /**

- *	The callback for tab closings.

- *

- *	Delete the info we are storing about this tab if there is any.

- *

- */

- function delete_removed_tab_info(tab_id, remove_info){

- 	dbg_print("[TABID:"+tab_id+"]"+"Deleting stored info about closed tab");

- 	if(unused_data[tab_id] !== undefined){

- 		delete unused_data[tab_id];

- 	}

- 	if(active_connections[tab_id] !== undefined){

- 		delete active_connections[tab_id];

- 	}

- }

- /**

- *	Turns a blob URL into a data URL

- *

- */

- function get_data_url(blob,url){

- 	return new Promise((resolve, reject) => {

- 		//var url = URL.createObjectURL(blob);

- 		var reader  = new FileReader();

- 		reader.addEventListener("load", function(){

- 			//console.log("redirecting");

- 			//console.log(url);

- 			//console.log("to");

- 			//console.log(reader.result);

- 			resolve({"redirectUrl": reader.result});

- 		});

- 		reader.readAsDataURL(blob);

- 	});

- }

- /**

- *	Check whitelisted by hash

- *

- */

- function blocked_status(hash){

- 	return new Promise((resolve, reject) => {

- 		function cb(items){

- 			var wl = items["pref_whitelist"];

- 			for(var i in items){

- 				var res = i.match(/\(.*?\)/g);

- 				if(res != null){

- 					var test_hash = res[res.length-1].substr(1,res[0].length-2);

- 					if(test_hash == hash){

- 						resolve(items[i]);

- 					}

- 				}

- 			}

- 			resolve("none");

- 			return;

- 		}

- 		webex.storage.local.get(cb);

- 	});

- }

- /* *********************************************************************************************** */

- var fname_data = {

- 	"WebGLShader": true,

- 	"WebGLShaderPrecisionFormat": true,

- 	"WebGLQuery": true,

- 	"WebGLRenderbuffer": true,

- 	"WebGLSampler": true,

- 	"WebGLUniformLocation": true,

- 	"WebGLFramebuffer": true,

- 	"WebGLProgram": true,

- 	"WebGLContextEvent": true,

- 	"WebGL2RenderingContext": true,

- 	"WebGLTexture": true,

- 	"WebGLRenderingContext": true,

- 	"WebGLVertexArrayObject": true,

- 	"WebGLActiveInfo": true,

- 	"WebGLTransformFeedback": true,

- 	"WebGLSync": true,

- 	"WebGLBuffer": true,

- 	"cat_svg": true,

- 	"SVGPoint": true,

- 	"SVGEllipseElement": true,

- 	"SVGRadialGradientElement": true,

- 	"SVGComponentTransferFunctionElement": true,

- 	"SVGPathSegCurvetoQuadraticAbs": true,

- 	"SVGAnimatedNumberList": true,

- 	"SVGPathSegCurvetoQuadraticSmoothRel": true,

- 	"SVGFEColorMatrixElement": true,

- 	"SVGPathSegLinetoHorizontalAbs": true,

- 	"SVGLinearGradientElement": true,

- 	"SVGStyleElement": true,

- 	"SVGPathSegMovetoRel": true,

- 	"SVGStopElement": true,

- 	"SVGPathSegLinetoRel": true,

- 	"SVGFEConvolveMatrixElement": true,

- 	"SVGAnimatedAngle": true,

- 	"SVGPathSegLinetoAbs": true,

- 	"SVGPreserveAspectRatio": true,

- 	"SVGFEOffsetElement": true,

- 	"SVGFEImageElement": true,

- 	"SVGFEDiffuseLightingElement": true,

- 	"SVGAnimatedNumber": true,

- 	"SVGTextElement": true,

- 	"SVGFESpotLightElement": true,

- 	"SVGFEMorphologyElement": true,

- 	"SVGAngle": true,

- 	"SVGScriptElement": true,

- 	"SVGFEDropShadowElement": true,

- 	"SVGPathSegArcRel": true,

- 	"SVGNumber": true,

- 	"SVGPathSegLinetoHorizontalRel": true,

- 	"SVGFEFuncBElement": true,

- 	"SVGClipPathElement": true,

- 	"SVGPathSeg": true,

- 	"SVGUseElement": true,

- 	"SVGPathSegArcAbs": true,

- 	"SVGPathSegCurvetoQuadraticSmoothAbs": true,

- 	"SVGRect": true,

- 	"SVGAnimatedPreserveAspectRatio": true,

- 	"SVGImageElement": true,

- 	"SVGAnimatedEnumeration": true,

- 	"SVGAnimatedLengthList": true,

- 	"SVGFEFloodElement": true,

- 	"SVGFECompositeElement": true,

- 	"SVGAElement": true,

- 	"SVGAnimatedBoolean": true,

- 	"SVGMaskElement": true,

- 	"SVGFilterElement": true,

- 	"SVGPathSegLinetoVerticalRel": true,

- 	"SVGAnimatedInteger": true,

- 	"SVGTSpanElement": true,

- 	"SVGMarkerElement": true,

- 	"SVGStringList": true,

- 	"SVGTransform": true,

- 	"SVGTitleElement": true,

- 	"SVGFEBlendElement": true,

- 	"SVGTextPositioningElement": true,

- 	"SVGFEFuncGElement": true,

- 	"SVGFEPointLightElement": true,

- 	"SVGAnimateElement": true,

- 	"SVGPolylineElement": true,

- 	"SVGDefsElement": true,

- 	"SVGPathSegList": true,

- 	"SVGAnimatedTransformList": true,

- 	"SVGPathSegClosePath": true,

- 	"SVGGradientElement": true,

- 	"SVGSwitchElement": true,

- 	"SVGViewElement": true,

- 	"SVGUnitTypes": true,

- 	"SVGPathSegMovetoAbs": true,

- 	"SVGSymbolElement": true,

- 	"SVGFEFuncAElement": true,

- 	"SVGAnimatedString": true,

- 	"SVGFEMergeElement": true,

- 	"SVGPathSegLinetoVerticalAbs": true,

- 	"SVGAnimationElement": true,

- 	"SVGPathSegCurvetoCubicAbs": true,

- 	"SVGLength": true,

- 	"SVGTextPathElement": true,

- 	"SVGPolygonElement": true,

- 	"SVGAnimatedRect": true,

- 	"SVGPathSegCurvetoCubicRel": true,

- 	"SVGFEFuncRElement": true,

- 	"SVGLengthList": true,

- 	"SVGTextContentElement": true,

- 	"SVGFETurbulenceElement": true,

- 	"SVGMatrix": true,

- 	"SVGZoomAndPan": true,

- 	"SVGMetadataElement": true,

- 	"SVGFEDistantLightElement": true,

- 	"SVGAnimateMotionElement": true,

- 	"SVGDescElement": true,

- 	"SVGPathSegCurvetoCubicSmoothRel": true,

- 	"SVGFESpecularLightingElement": true,

- 	"SVGFEGaussianBlurElement": true,

- 	"SVGFEComponentTransferElement": true,

- 	"SVGNumberList": true,

- 	"SVGTransformList": true,

- 	"SVGForeignObjectElement": true,

- 	"SVGRectElement": true,

- 	"SVGFEDisplacementMapElement": true,

- 	"SVGAnimateTransformElement": true,

- 	"SVGAnimatedLength": true,

- 	"SVGPointList": true,

- 	"SVGPatternElement": true,

- 	"SVGPathSegCurvetoCubicSmoothAbs": true,

- 	"SVGCircleElement": true,

- 	"SVGSetElement": true,

- 	"SVGFETileElement": true,

- 	"SVGMPathElement": true,

- 	"SVGFEMergeNodeElement": true,

- 	"SVGPathSegCurvetoQuadraticRel": true,

- 	"SVGElement": true,

- 	"SVGGraphicsElement": true,

- 	"SVGSVGElement": true,

- 	"SVGGElement": true,

- 	"SVGGeometryElement": true,

- 	"SVGPathElement": true,

- 	"SVGLineElement": true,

- 	"cat_html": true,

- 	"HTMLTimeElement": true,

- 	"HTMLPictureElement": true,

- 	"HTMLMenuItemElement": true,

- 	"HTMLFormElement": true,

- 	"HTMLOptionElement": true,

- 	"HTMLCanvasElement": true,

- 	"HTMLTableSectionElement": true,

- 	"HTMLSelectElement": true,

- 	"HTMLUListElement": true,

- 	"HTMLMetaElement": true,

- 	"HTMLLinkElement": true,

- 	"HTMLBaseElement": true,

- 	"HTMLDataListElement": true,

- 	"HTMLInputElement": true,

- 	"HTMLMeterElement": true,

- 	"HTMLSourceElement": true,

- 	"HTMLTrackElement": true,

- 	"HTMLTableColElement": true,

- 	"HTMLFieldSetElement": true,

- 	"HTMLDirectoryElement": true,

- 	"HTMLTableCellElement": true,

- 	"HTMLStyleElement": true,

- 	"HTMLAudioElement": true,

- 	"HTMLLegendElement": true,

- 	"HTMLOListElement": true,

- 	"HTMLEmbedElement": true,

- 	"HTMLQuoteElement": true,

- 	"HTMLMenuElement": true,

- 	"HTMLHeadElement": true,

- 	"HTMLUnknownElement": true,

- 	"HTMLBRElement": true,

- 	"HTMLProgressElement": true,

- 	"HTMLMediaElement": true,

- 	"HTMLFormControlsCollection": true,

- 	"HTMLCollection": true,

- 	"HTMLLIElement": true,

- 	"HTMLDetailsElement": true,

- 	"HTMLObjectElement": true,

- 	"HTMLHeadingElement": true,

- 	"HTMLTableCaptionElement": true,

- 	"HTMLPreElement": true,

- 	"HTMLAllCollection": true,

- 	"HTMLFrameSetElement": true,

- 	"HTMLFontElement": true,

- 	"HTMLFrameElement": true,

- 	"HTMLAnchorElement": true,

- 	"HTMLOptGroupElement": true,

- 	"HTMLVideoElement": true,

- 	"HTMLModElement": true,

- 	"HTMLBodyElement": true,

- 	"HTMLTableElement": true,

- 	"HTMLButtonElement": true,

- 	"HTMLTableRowElement": true,

- 	"HTMLAreaElement": true,

- 	"HTMLDataElement": true,

- 	"HTMLParamElement": true,

- 	"HTMLLabelElement": true,

- 	"HTMLTemplateElement": true,

- 	"HTMLOptionsCollection": true,

- 	"HTMLIFrameElement": true,

- 	"HTMLTitleElement": true,

- 	"HTMLMapElement": true,

- 	"HTMLOutputElement": true,

- 	"HTMLDListElement": true,

- 	"HTMLParagraphElement": true,

- 	"HTMLHRElement": true,

- 	"HTMLImageElement": true,

- 	"HTMLDocument": true,

- 	"HTMLElement": true,

- 	"HTMLScriptElement": true,

- 	"HTMLHtmlElement": true,

- 	"HTMLTextAreaElement": true,

- 	"HTMLDivElement": true,

- 	"HTMLSpanElement": true,

- 	"cat_css": true,

- 	"CSSStyleRule": true,

- 	"CSSFontFaceRule": true,

- 	"CSSPrimitiveValue": true,

- 	"CSSStyleDeclaration": true,

- 	"CSSStyleSheet": true,

- 	"CSSPageRule": true,

- 	"CSSSupportsRule": true,

- 	"CSSMozDocumentRule": true,

- 	"CSSKeyframeRule": true,

- 	"CSSGroupingRule": true,

- 	"CSS2Properties": true,

- 	"CSSFontFeatureValuesRule": true,

- 	"CSSRuleList": true,

- 	"CSSPseudoElement": true,

- 	"CSSMediaRule": true,

- 	"CSSCounterStyleRule": true,

- 	"CSSImportRule": true,

- 	"CSSTransition": true,

- 	"CSSAnimation": true,

- 	"CSSValue": true,

- 	"CSSNamespaceRule": true,

- 	"CSSRule": true,

- 	"CSS": true,

- 	"CSSKeyframesRule": true,

- 	"CSSConditionRule": true,

- 	"CSSValueList": true,

- 	"cat_event": true,

- 	"ondevicemotion": true,

- 	"ondeviceorientation": true,

- 	"onabsolutedeviceorientation": true,

- 	"ondeviceproximity": true,

- 	"onuserproximity": true,

- 	"ondevicelight": true,

- 	"onvrdisplayconnect": true,

- 	"onvrdisplaydisconnect": true,

- 	"onvrdisplayactivate": true,

- 	"onvrdisplaydeactivate": true,

- 	"onvrdisplaypresentchange": true,

- 	"onabort": true,

- 	"onblur": true,

- 	"onfocus": true,

- 	"onauxclick": true,

- 	"oncanplay": true,

- 	"oncanplaythrough": true,

- 	"onchange": true,

- 	"onclick": true,

- 	"onclose": true,

- 	"oncontextmenu": true,

- 	"ondblclick": true,

- 	"ondrag": true,

- 	"ondragend": true,

- 	"ondragenter": true,

- 	"ondragexit": true,

- 	"ondragleave": true,

- 	"ondragover": true,

- 	"ondragstart": true,

- 	"ondrop": true,

- 	"ondurationchange": true,

- 	"onemptied": true,

- 	"onended": true,

- 	"oninput": true,

- 	"oninvalid": true,

- 	"onkeydown": true,

- 	"onkeypress": true,

- 	"onkeyup": true,

- 	"onload": true,

- 	"onloadeddata": true,

- 	"onloadedmetadata": true,

- 	"onloadend": true,

- 	"onloadstart": true,

- 	"onmousedown": true,

- 	"onmouseenter": true,

- 	"onmouseleave": true,

- 	"onmousemove": true,

- 	"onmouseout": true,

- 	"onmouseover": true,

- 	"onmouseup": true,

- 	"onwheel": true,

- 	"onpause": true,

- 	"onplay": true,

- 	"onplaying": true,

- 	"onprogress": true,

- 	"onratechange": true,

- 	"onreset": true,

- 	"onresize": true,

- 	"onscroll": true,

- 	"onseeked": true,

- 	"onseeking": true,

- 	"onselect": true,

- 	"onshow": true,

- 	"onstalled": true,

- 	"onsubmit": true,

- 	"onsuspend": true,

- 	"ontimeupdate": true,

- 	"onvolumechange": true,

- 	"onwaiting": true,

- 	"onselectstart": true,

- 	"ontoggle": true,

- 	"onpointercancel": true,

- 	"onpointerdown": true,

- 	"onpointerup": true,

- 	"onpointermove": true,

- 	"onpointerout": true,

- 	"onpointerover": true,

- 	"onpointerenter": true,

- 	"onpointerleave": true,

- 	"ongotpointercapture": true,

- 	"onlostpointercapture": true,

- 	"onmozfullscreenchange": true,

- 	"onmozfullscreenerror": true,

- 	"onanimationcancel": true,

- 	"onanimationend": true,

- 	"onanimationiteration": true,

- 	"onanimationstart": true,

- 	"ontransitioncancel": true,

- 	"ontransitionend": true,

- 	"ontransitionrun": true,

- 	"ontransitionstart": true,

- 	"onwebkitanimationend": true,

- 	"onwebkitanimationiteration": true,

- 	"onwebkitanimationstart": true,

- 	"onwebkittransitionend": true,

- 	"onerror": true,

- 	"onafterprint": true,

- 	"onbeforeprint": true,

- 	"onbeforeunload": true,

- 	"onhashchange": true,

- 	"onlanguagechange": true,

- 	"onmessage": true,

- 	"onmessageerror": true,

- 	"onoffline": true,

- 	"ononline": true,

- 	"onpagehide": true,

- 	"onpageshow": true,

- 	"onpopstate": true,

- 	"onstorage": true,

- 	"onunload": true,

- 	"cat_rtc": true,

- 	"RTCDTMFSender": true,

- 	"RTCStatsReport": true,

- 	"RTCTrackEvent": true,

- 	"RTCDataChannelEvent": true,

- 	"RTCPeerConnectionIceEvent": true,

- 	"RTCCertificate": true,

- 	"RTCDTMFToneChangeEvent": true,

- 	"RTCPeerConnection": true,

- 	"RTCIceCandidate": true,

- 	"RTCRtpReceiver": true,

- 	"RTCRtpSender": true,

- 	"RTCSessionDescription": true,

- 	"cat_vr": true,

- 	"VRStageParameters": true,

- 	"VRFrameData": true,

- 	"VRDisplay": true,

- 	"VRDisplayEvent": true,

- 	"VRFieldOfView": true,

- 	"VRDisplayCapabilities": true,

- 	"VREyeParameters": true,

- 	"VRPose": true,

- 	"cat_dom": true,

- 	"DOMStringMap": true,

- 	"DOMRectReadOnly": true,

- 	"DOMException": true,

- 	"DOMRect": true,

- 	"DOMMatrix": true,

- 	"DOMMatrixReadOnly": true,

- 	"DOMPointReadOnly": true,

- 	"DOMPoint": true,

- 	"DOMQuad": true,

- 	"DOMRequest": true,

- 	"DOMParser": true,

- 	"DOMTokenList": true,

- 	"DOMStringList": true,

- 	"DOMImplementation": true,

- 	"DOMError": true,

- 	"DOMRectList": true,

- 	"DOMCursor": true,

- 	"cat_idb": true,

- 	"IDBFileRequest": true,

- 	"IDBTransaction": true,

- 	"IDBCursor": true,

- 	"IDBFileHandle": true,

- 	"IDBMutableFile": true,

- 	"IDBKeyRange": true,

- 	"IDBVersionChangeEvent": true,

- 	"IDBObjectStore": true,

- 	"IDBFactory": true,

- 	"IDBCursorWithValue": true,

- 	"IDBOpenDBRequest": true,

- 	"IDBRequest": true,

- 	"IDBIndex": true,

- 	"IDBDatabase": true,

- 	"cat_audio": true,

- 	"AudioContext": true,

- 	"AudioBuffer": true,

- 	"AudioBufferSourceNode": true,

- 	"Audio": true,

- 	"MediaElementAudioSourceNode": true,

- 	"AudioNode": true,

- 	"BaseAudioContext": true,

- 	"AudioListener": true,

- 	"MediaStreamAudioSourceNode": true,

- 	"OfflineAudioContext": true,

- 	"AudioDestinationNode": true,

- 	"AudioParam": true,

- 	"MediaStreamAudioDestinationNode": true,

- 	"OfflineAudioCompletionEvent": true,

- 	"AudioStreamTrack": true,

- 	"AudioScheduledSourceNode": true,

- 	"AudioProcessingEvent": true,

- 	"cat_gamepad": true,

- 	"GamepadButton": true,

- 	"GamepadHapticActuator": true,

- 	"GamepadAxisMoveEvent": true,

- 	"GamepadPose": true,

- 	"GamepadEvent": true,

- 	"Gamepad": true,

- 	"GamepadButtonEvent": true,

- 	"cat_media": true,

- 	"MediaKeys": true,

- 	"MediaKeyError": true,

- 	"MediaSource": true,

- 	"MediaDevices": true,

- 	"MediaKeyStatusMap": true,

- 	"MediaStreamTrackEvent": true,

- 	"MediaRecorder": true,

- 	"MediaQueryListEvent": true,

- 	"MediaStream": true,

- 	"MediaEncryptedEvent": true,

- 	"MediaStreamTrack": true,

- 	"MediaError": true,

- 	"MediaStreamEvent": true,

- 	"MediaQueryList": true,

- 	"MediaKeySystemAccess": true,

- 	"MediaDeviceInfo": true,

- 	"MediaKeySession": true,

- 	"MediaList": true,

- 	"MediaRecorderErrorEvent": true,

- 	"MediaKeyMessageEvent": true,

- 	"cat_event2": true,

- 	"SpeechSynthesisErrorEvent": true,

- 	"BeforeUnloadEvent": true,

- 	"CustomEvent": true,

- 	"PageTransitionEvent": true,

- 	"PopupBlockedEvent": true,

- 	"CloseEvent": true,

- 	"ProgressEvent": true,

- 	"MutationEvent": true,

- 	"MessageEvent": true,

- 	"FocusEvent": true,

- 	"TrackEvent": true,

- 	"DeviceMotionEvent": true,

- 	"TimeEvent": true,

- 	"PointerEvent": true,

- 	"UserProximityEvent": true,

- 	"StorageEvent": true,

- 	"DragEvent": true,

- 	"MouseScrollEvent": true,

- 	"EventSource": true,

- 	"PopStateEvent": true,

- 	"DeviceProximityEvent": true,

- 	"SpeechSynthesisEvent": true,

- 	"XMLHttpRequestEventTarget": true,

- 	"ClipboardEvent": true,

- 	"AnimationPlaybackEvent": true,

- 	"DeviceLightEvent": true,

- 	"BlobEvent": true,

- 	"MouseEvent": true,

- 	"WheelEvent": true,

- 	"InputEvent": true,

- 	"HashChangeEvent": true,

- 	"DeviceOrientationEvent": true,

- 	"CompositionEvent": true,

- 	"KeyEvent": true,

- 	"ScrollAreaEvent": true,

- 	"KeyboardEvent": true,

- 	"TransitionEvent": true,

- 	"ErrorEvent": true,

- 	"AnimationEvent": true,

- 	"FontFaceSetLoadEvent": true,

- 	"EventTarget": true,

- 	"captureEvents": true,

- 	"releaseEvents": true,

- 	"Event": true,

- 	"UIEvent": true,

- 	"cat_other": false,

- 	"undefined": false,

- 	"Array": false,

- 	"Boolean": false,

- 	"JSON": false,

- 	"Date": false,

- 	"Math": false,

- 	"Number": false,

- 	"String": false,

- 	"RegExp": false,

- 	"Error": false,

- 	"InternalError": false,

- 	"EvalError": false,

- 	"RangeError": false,

- 	"ReferenceError": false,

- 	"SyntaxError": false,

- 	"TypeError": false,

- 	"URIError": false,

- 	"ArrayBuffer": true,

- 	"Int8Array": true,

- 	"Uint8Array": true,

- 	"Int16Array": true,

- 	"Uint16Array": true,

- 	"Int32Array": true,

- 	"Uint32Array": true,

- 	"Float32Array": true,

- 	"Float64Array": true,

- 	"Uint8ClampedArray": true,

- 	"Proxy": true,

- 	"WeakMap": true,

- 	"Map": true,

- 	"Set": true,

- 	"DataView": false,

- 	"Symbol": false,

- 	"SharedArrayBuffer": true,

- 	"Intl": false,

- 	"TypedObject": true,

- 	"Reflect": true,

- 	"SIMD": true,

- 	"WeakSet": true,

- 	"Atomics": true,

- 	"Promise": true,

- 	"WebAssembly": true,

- 	"NaN": false,

- 	"Infinity": false,

- 	"isNaN": false,

- 	"isFinite": false,

- 	"parseFloat": false,

- 	"parseInt": false,

- 	"escape": false,

- 	"unescape": false,

- 	"decodeURI": false,

- 	"encodeURI": false,

- 	"decodeURIComponent": false,

- 	"encodeURIComponent": false,

- 	"uneval": false,

- 	"BatteryManager": true,

- 	"CanvasGradient": true,

- 	"TextDecoder": true,

- 	"Plugin": true,

- 	"PushManager": true,

- 	"ChannelMergerNode": true,

- 	"PerformanceResourceTiming": true,

- 	"ServiceWorker": true,

- 	"TextTrackCueList": true,

- 	"PerformanceEntry": true,

- 	"TextTrackList": true,

- 	"StyleSheet": true,

- 	"PerformanceMeasure": true,

- 	"DesktopNotificationCenter": true,

- 	"Comment": true,

- 	"DelayNode": true,

- 	"XPathResult": true,

- 	"CDATASection": true,

- 	"MessageChannel": true,

- 	"BiquadFilterNode": true,

- 	"SpeechSynthesisUtterance": true,

- 	"Crypto": true,

- 	"Navigator": true,

- 	"FileList": true,

- 	"URLSearchParams": false,

- 	"ServiceWorkerContainer": true,

- 	"ValidityState": true,

- 	"ProcessingInstruction": true,

- 	"AbortSignal": true,

- 	"FontFace": true,

- 	"FileReader": true,

- 	"Worker": true,

- 	"External": true,

- 	"ImageBitmap": true,

- 	"TimeRanges": true,

- 	"Option": true,

- 	"TextTrack": true,

- 	"Image": true,

- 	"AnimationTimeline": true,

- 	"VideoPlaybackQuality": true,

- 	"VTTCue": true,

- 	"Storage": true,

- 	"XPathExpression": true,

- 	"CharacterData": false,

- 	"TextMetrics": true,

- 	"AnimationEffectReadOnly": true,

- 	"PerformanceTiming": false,

- 	"PerformanceMark": true,

- 	"ImageBitmapRenderingContext": true,

- 	"Headers": true,

- 	"Range": false,

- 	"Rect": true,

- 	"AnimationEffectTimingReadOnly": true,

- 	"KeyframeEffect": true,

- 	"Permissions": true,

- 	"TextEncoder": true,

- 	"ImageData": true,

- 	"SpeechSynthesisVoice": true,

- 	"StorageManager": true,

- 	"TextTrackCue": true,

- 	"WebSocket": true,

- 	"DocumentType": true,

- 	"XPathEvaluator": true,

- 	"PerformanceNavigationTiming": true,

- 	"IdleDeadline": true,

- 	"FileSystem": true,

- 	"FileSystemFileEntry": true,

- 	"CacheStorage": true,

- 	"MimeType": true,

- 	"PannerNode": true,

- 	"NodeFilter": true,

- 	"StereoPannerNode": true,

- 	"console": false,

- 	"DynamicsCompressorNode": true,

- 	"PaintRequest": true,

- 	"RGBColor": true,

- 	"FontFaceSet": false,

- 	"PaintRequestList": true,

- 	"FileSystemEntry": true,

- 	"XMLDocument": false,

- 	"SourceBuffer": false,

- 	"Screen": true,

- 	"NamedNodeMap": false,

- 	"History": true,

- 	"Response": true,

- 	"AnimationEffectTiming": true,

- 	"ServiceWorkerRegistration": true,

- 	"CanvasRenderingContext2D": true,

- 	"ScriptProcessorNode": true,

- 	"FileSystemDirectoryReader": true,

- 	"MimeTypeArray": true,

- 	"CanvasCaptureMediaStream": true,

- 	"Directory": true,

- 	"mozRTCPeerConnection": true,

- 	"PerformanceObserverEntryList": true,

- 	"PushSubscriptionOptions": true,

- 	"Text": false,

- 	"IntersectionObserverEntry": true,

- 	"SubtleCrypto": true,

- 	"Animation": true,

- 	"DataTransfer": true,

- 	"TreeWalker": true,

- 	"XMLHttpRequest": true,

- 	"LocalMediaStream": true,

- 	"ConvolverNode": true,

- 	"WaveShaperNode": true,

- 	"DataTransferItemList": false,

- 	"Request": true,

- 	"SourceBufferList": false,

- 	"XSLTProcessor": true,

- 	"XMLHttpRequestUpload": true,

- 	"SharedWorker": true,

- 	"Notification": false,

- 	"DataTransferItem": true,

- 	"AnalyserNode": true,

- 	"mozRTCIceCandidate": true,

- 	"PerformanceObserver": true,

- 	"OfflineResourceList": true,

- 	"FileSystemDirectoryEntry": true,

- 	"DesktopNotification": false,

- 	"DataChannel": true,

- 	"IIRFilterNode": true,

- 	"ChannelSplitterNode": true,

- 	"File": true,

- 	"ConstantSourceNode": true,

- 	"CryptoKey": true,

- 	"GainNode": true,

- 	"AbortController": true,

- 	"Attr": true,

- 	"SpeechSynthesis": true,

- 	"PushSubscription": false,

- 	"XMLStylesheetProcessingInstruction": false,

- 	"NodeIterator": true,

- 	"VideoStreamTrack": true,

- 	"XMLSerializer": true,

- 	"CaretPosition": true,

- 	"FormData": true,

- 	"CanvasPattern": true,

- 	"mozRTCSessionDescription": true,

- 	"Path2D": true,

- 	"PerformanceNavigation": true,

- 	"URL": false,

- 	"PluginArray": true,

- 	"MutationRecord": true,

- 	"WebKitCSSMatrix": true,

- 	"PeriodicWave": true,

- 	"DocumentFragment": true,

- 	"DocumentTimeline": false,

- 	"ScreenOrientation": true,

- 	"BroadcastChannel": true,

- 	"PermissionStatus": true,

- 	"IntersectionObserver": true,

- 	"Blob": true,

- 	"MessagePort": true,

- 	"BarProp": true,

- 	"OscillatorNode": true,

- 	"Cache": true,

- 	"RadioNodeList": true,

- 	"KeyframeEffectReadOnly": true,

- 	"InstallTrigger": true,

- 	"Function": false,

- 	"Object": false,

- 	"eval": true,

- 	"Window": false,

- 	"close": false,

- 	"stop": false,

- 	"focus": false,

- 	"blur": false,

- 	"open": true,

- 	"alert": false,

- 	"confirm": false,

- 	"prompt": false,

- 	"print": false,

- 	"postMessage": true,

- 	"getSelection": true,

- 	"getComputedStyle": true,

- 	"matchMedia": true,

- 	"moveTo": false,

- 	"moveBy": false,

- 	"resizeTo": false,

- 	"resizeBy": false,

- 	"scroll": false,

- 	"scrollTo": false,

- 	"scrollBy": false,

- 	"requestAnimationFrame": true,

- 	"cancelAnimationFrame": true,

- 	"getDefaultComputedStyle": false,

- 	"scrollByLines": false,

- 	"scrollByPages": false,

- 	"sizeToContent": false,

- 	"updateCommands": true,

- 	"find": false,

- 	"dump": true,

- 	"setResizable": false,

- 	"requestIdleCallback": false,

- 	"cancelIdleCallback": false,

- 	"btoa": true,

- 	"atob": true,

- 	"setTimeout": true,

- 	"clearTimeout": true,

- 	"setInterval": true,

- 	"clearInterval": true,

- 	"createImageBitmap": true,

- 	"fetch": true,

- 	"self": true,

- 	"name": false,

- 	"history": true,

- 	"locationbar": true,

- 	"menubar": true,

- 	"personalbar": true,

- 	"scrollbars": true,

- 	"statusbar": true,

- 	"toolbar": true,

- 	"status": true,

- 	"closed": true,

- 	"frames": true,

- 	"length": false,

- 	"opener": true,

- 	"parent": true,

- 	"frameElement": true,

- 	"navigator": true,

- 	"external": true,

- 	"applicationCache": true,

- 	"screen": true,

- 	"innerWidth": true,

- 	"innerHeight": true,

- 	"scrollX": true,

- 	"pageXOffset": true,

- 	"scrollY": true,

- 	"pageYOffset": true,

- 	"screenX": true,

- 	"screenY": true,

- 	"outerWidth": true,

- 	"outerHeight": true,

- 	"performance": true,

- 	"mozInnerScreenX": true,

- 	"mozInnerScreenY": true,

- 	"devicePixelRatio": true,

- 	"scrollMaxX": true,

- 	"scrollMaxY": true,

- 	"fullScreen": false,

- 	"mozPaintCount": true,

- 	"sidebar": false,

- 	"crypto": true,

- 	"speechSynthesis": true,

- 	"localStorage": true,

- 	"origin": true,

- 	"isSecureContext": false,

- 	"indexedDB": true,

- 	"caches": true,

- 	"sessionStorage": true,

- 	"window": false,

- 	"document": true,

- 	"location": false,

- 	"top": true,

- 	"netscape": true,

- 	"Node": true,

- 	"Document": true,

- 	"Performance": false,

- 	"startProfiling": true,

- 	"stopProfiling": true,

- 	"pauseProfilers": true,

- 	"resumeProfilers": true,

- 	"dumpProfile": true,

- 	"getMaxGCPauseSinceClear": true,

- 	"clearMaxGCPauseAccumulator": true,

- 	"Location": true,

- 	"StyleSheetList": false,

- 	"Selection": false,

- 	"Element": true,

- 	"AnonymousContent": false,

- 	"MutationObserver": true,

- 	"NodeList": true,

- 	"StopIteration": true

- };

- //************************this part can be tested in the HTML file index.html's script test.js****************************

- function full_evaluate(script){

- 		var res = true;

- 		if(script === undefined || script == ""){

- 			return [true,"Harmless null script"];

- 		}

- 		var ast = acorn.parse_dammit(script).body[0];

- 		var flag = false;

- 		var amtloops = 0;

- 		var loopkeys = {"for":true,"if":true,"while":true,"switch":true};

- 		var operators = {"||":true,"&&":true,"=":true,"==":true,"++":true,"--":true,"+=":true,"-=":true,"*":true};

- 		try{

- 			var tokens = acorn_base.tokenizer(script);

- 		}catch(e){

- 			console.warn("Tokenizer could not be initiated (probably invalid code)");

- 			return [false,"Tokenizer could not be initiated (probably invalid code)"];

- 		}

- 		try{

- 			var toke = tokens.getToken();

- 		}catch(e){

- 			console.warn("couldn't get first token (probably invalid code)");

- 			console.warn("Continuing evaluation");

- 		}

- 		/**

- 		* Given the end of an identifer token, it tests for bracket suffix notation

- 		*/

- 		function being_called(end){

- 			var i = 0;

- 			while(script.charAt(end+i).match(/\s/g) !== null){

- 				i++;

- 				if(i >= script.length-1){

- 					return false;

- 				}

- 			}

- 			if(script.charAt(end+i) == "("){

- 				return true;

- 			}else{

- 				return false;

- 			}

- 		}

- 		/**

- 		* Given the end of an identifer token, it tests for parentheses

- 		*/

- 		function is_bsn(end){

- 			var i = 0;

- 			while(script.charAt(end+i).match(/\s/g) !== null){

- 				i++;

- 				if(i >= script.length-1){

- 					return false;

- 				}

- 			}

- 			if(script.charAt(end+i) == "["){

- 				return true;

- 			}else{

- 				return false;

- 			}

- 		}

- 		var error_count = 0;

- 		while(toke !== undefined && toke.type != acorn_base.tokTypes.eof){

- 			if(toke.type.keyword !== undefined){

- 				//dbg_print("Keyword:");

- 				//dbg_print(toke);

- 				// This type of loop detection ignores functional loop alternatives and ternary operators

- 				if(toke.type.keyword == "function"){

- 					dbg_print("%c NONTRIVIAL: Function declaration.","color:red");

- 					if(DEBUG == false){

- 						return [false,"NONTRIVIAL: Function declaration."];

- 					}

- 				}

- 				if(loopkeys[toke.type.keyword] !== undefined){

- 					amtloops++;

- 					if(amtloops > 3){

- 						dbg_print("%c NONTRIVIAL: Too many loops/conditionals.","color:red");

- 						if(DEBUG == false){

- 							return [false,"NONTRIVIAL: Too many loops/conditionals."];

- 						}

- 					}

- 				}

- 			}else if(toke.value !== undefined && operators[toke.value] !== undefined){

- 				// It's just an operator. Javascript doesn't have operator overloading so it must be some

- 				// kind of primitive (I.e. a number)

- 			}else if(toke.value !== undefined){

- 				var status = fname_data[toke.value];

- 				if(status === true){ // is the identifier banned?

- 					dbg_print("%c NONTRIVIAL: nontrivial token: '"+toke.value+"'","color:red");

- 					if(DEBUG == false){

- 						return [false,"NONTRIVIAL: nontrivial token: '"+toke.value+"'"];

- 					}

- 				}else if(status === false){// is the identifier not banned?

- 					// Is there bracket suffix notation?

- 					if(is_bsn(toke.end)){

- 						dbg_print("%c NONTRIVIAL: Bracket suffix notation on variable '"+toke.value+"'","color:red");

- 						if(DEBUG == false){

- 							return [false,"%c NONTRIVIAL: Bracket suffix notation on variable '"+toke.value+"'"];

- 						}

- 					}

- 				}else if(status === undefined){// is the identifier user defined?

- 					// Are arguments being passed to a user defined variable?

- 					if(being_called(toke.end)){

- 						dbg_print("%c NONTRIVIAL: User defined variable '"+toke.value+"' called as function","color:red");

- 						if(DEBUG == false){

- 							return [false,"NONTRIVIAL: User defined variable '"+toke.value+"' called as function"];

- 						}

- 					}

- 					// Is there bracket suffix notation?

- 					if(is_bsn(toke.end)){

- 						dbg_print("%c NONTRIVIAL: Bracket suffix notation on variable '"+toke.value+"'","color:red");

- 						if(DEBUG == false){

- 							return [false,"NONTRIVIAL: Bracket suffix notation on variable '"+toke.value+"'"];

- 						}

- 					}

- 				}else{

- 					dbg_print("trivial token:"+toke.value);

- 				}

- 			}

- 			// If not a keyword or an identifier it's some kind of operator, field parenthesis, brackets

- 			try{

- 				toke = tokens.getToken();

- 			}catch(e){

- 				dbg_print("Denied script because it cannot be parsed.");

- 				return [false,"NONTRIVIAL: Cannot be parsed."];

- 			}

- 		}

- 		dbg_print("%cAppears to be trivial.","color:green;");

- 		return [true,"Script appears to be trivial."];

- }

- //****************************************************************************************************

- /**

- *	This is the entry point for full code evaluation.

- *

- *	Performs the initial pass on code to see if it needs to be completely parsed

- *

- *	This can only determine if a script is bad, not if it's good

- *

- *	If it passes the intitial pass, it runs the full pass and returns the result

- *

- */

- function evaluate(script,name){

- 	function reserved_object_regex(object){

- 		var arith_operators = "\\+\\-\\*\\/\\%\\=";

- 		var scope_chars = "\{\}\]\[\(\)\,";

- 		var trailing_chars = "\s*"+"\(\.\[";

- 		return new RegExp("(?:[^\\w\\d]|^|(?:"+arith_operators+"))"+object+'(?:\\s*?(?:[\\;\\,\\.\\(\\[])\\s*?)',"g");

- 	}

- 	reserved_object_regex("window");

- 	var all_strings = new RegExp('".*?"'+"|'.*?'","gm");

- 	var ml_comment = /\/\*([\s\S]+?)\*\//g;

- 	var il_comment = /\/\/.+/gm;

- 	var bracket_pairs = /\[.+?\]/g;

- 	var temp = script.replace(/'.+?'+/gm,"'string'");

- 	temp = temp.replace(/".+?"+/gm,'"string"');

- 	temp = temp.replace(ml_comment,"");

- 	temp = temp.replace(il_comment,"");

- 	dbg_print("%c ------evaluation results for "+ name +"------","color:white");

- 	dbg_print("Script accesses reserved objects?");

- 	var flag = true;

- 	var reason = ""

- 	// 	This is where individual "passes" are made over the code

- 	for(var i = 0; i < reserved_objects.length; i++){

- 		var res = reserved_object_regex(reserved_objects[i]).exec(temp);

- 		if(res != null){

- 			dbg_print("%c fail","color:red;");

- 			flag = false;

- 			reason = "Script uses a reserved object (" + reserved_objects[i] + ")";

- 		}

- 	}

- 	if(flag){

- 		dbg_print("%c pass","color:green;");

- 	} else{

- 		return [flag,reason+"<br>"];

- 	}

- 	var temp = full_evaluate(temp);

- 	temp[1] = temp[1] + "<br>";

- 	return temp;

- }

- function license_valid(matches){

- 	if(matches.length != 4){

- 		return [false, "malformed or unrecognized license tag"];

- 	}

- 	if(matches[1] != "@license"){

- 		return [false, "malformed or unrecognized license tag"];

- 	}

- 	if(licenses[matches[3]] === undefined){

- 		return [false, "malformed or unrecognized license tag"];

- 	}

- 	if(licenses[matches[3]]["Magnet link"] != matches[2]){

- 		return [false, "malformed or unrecognized license tag"];

- 	}

- 	return [true,"Recognized license as '"+matches[3]+"'<br>"];

- }

- /**

- *

- *	Evaluates the content of a script (license, if it is non-trivial)

- *

- *	Returns

- *	[

- *		true (accepted) or false (denied),

- *		edited content,

- *		reason text

- *	]

- */

- function license_read(script_src,name){

- 	var reason_text = "";

- 	var edited_src = "";

- 	var unedited_src = script_src;

- 	var nontrivial_status;

- 	var parts_denied = false;

- 	var parts_accepted = false;

- 	while(true){

- 		// TODO: support multiline comments

- 		var matches = /\/\s*?(@license)\s([\S]+)\s([\S]+$)/gm.exec(unedited_src);

- 		if(matches == null){

- 			nontrivial_status = evaluate(unedited_src,name);

- 			if(nontrivial_status[0] == true){

- 				parts_accepted = true;

- 				edited_src += unedited_src;

- 			} else{

- 				parts_denied = true;

- 				edited_src += "\n/*\nLIBREJS BLOCKED:"+nontrivial_status[1]+"\n*/\n";

- 			}

- 			reason_text += "\n" + nontrivial_status[1];

- 			if(parts_denied == true && parts_accepted == true){

- 				reason_text = "Script was determined partly non-trivial after editing. (check source for details)\n"+reason_text;

- 			}

- 			if(parts_denied == true && parts_accepted == false){

- 				return [false,edited_src,reason_text];

- 			}

- 			return [true,edited_src,reason_text];

- 		}

- 		var before = unedited_src.substr(0,matches["index"]);

- 		nontrivial_status = evaluate(before,name);

- 		if(nontrivial_status[0] == true){

- 			parts_accepted = true;

- 			edited_src += before;

- 		} else{

- 			parts_denied = true;

- 			edited_src += "\n/*\nLIBREJS BLOCKED:"+nontrivial_status[1]+"\n*/\n";

- 		}

- 		unedited_src = unedited_src.substr(matches["index"],unedited_src.length);

- 		// TODO: support multiline comments

- 		var matches_end = /\/\/\s*?(@license-end)/gm.exec(unedited_src);

- 		if(matches_end == null){

- 			dbg_print("ERROR: @license with no @license-end");

- 			return [false,"\n/*\n ERROR: @license with no @license-end \n*/\n","ERROR: @license with no @license-end"];

- 		}

- 		var endtag_end_index = matches_end["index"]+matches_end[0].length;

- 		var license_res = license_valid(matches);

- 		if(license_res[0] == true){

- 			edited_src =  edited_src + unedited_src.substr(0,endtag_end_index);

- 			reason_text += "\n" + license_res[1];

- 		} else{

- 			edited_src = edited_src + "\n/*\n"+license_res[1]+"\n*/\n";

- 			reason_text += "\n" + license_res[1];

- 		}

- 		// trim off everything we just evaluated

- 		unedited_src = unedited_src.substr(endtag_end_index,unedited_src.length);

- 	}

- }

- /* *********************************************************************************************** */

- // TODO: Test if this script is being loaded from another domain compared to unused_data[tabid]["url"]

- /**

- *

- *	Returns a promise that resolves with the final edited script as a string.

- */

- function get_script(response,url,tabid,wl,index=-1){

- 	return new Promise((resolve, reject) => {

- 		if(unused_data[tabid] === undefined){

- 			unused_data[tabid] = {"url":url,"accepted":[],"blocked":[]};

- 		}

- 		var tok_index = url.split("/").length;

- 		var scriptname = url.split("/")[tok_index-1];

- 		if(wl == true){

- 			// Accept without reading script, it was explicitly whitelisted

- 			if(typeof(unused_data[tabid]["accepted"].push) != "function"){

- 				unused_data[tabid]["accepted"] = [[scriptname,"Page is whitelisted in preferences"]];

- 			} else{

- 				unused_data[tabid]["accepted"].push([scriptname,"Page is whitelisted in preferences"]);

- 			}

- 			resolve("\n/*\n LibreJS: Script whitelisted by user (From a URL found in comma seperated whitelist)\n*/\n"+response);

- 			if(index != -1){

- 				resolve(["\n/*\n LibreJS: Script whitelisted by user (From a URL found in comma seperated whitelist)\n*/\n"+response,index]);

- 			} else{

- 				resolve("\n/*\n LibreJS: Script whitelisted by user (From a URL found in comma seperated whitelist)\n*/\n"+response);

- 			}

- 		}

- 		var src_hash = hash(response);

- 		var edited = license_read(response,scriptname);

- 		var verdict = edited[0];

- 		var popup_res;

- 		var domain = get_domain(url);

- 		var badge_str = 0;

- 		if(unused_data[tabid]["blocked"] !== undefined){

- 			badge_str += unused_data[tabid]["blocked"].length;

- 		}

- 		if(unused_data[tabid]["blacklisted"] !== undefined){

- 			badge_str += unused_data[tabid]["blacklisted"].length;

- 		}

- 		dbg_print("amt. blocked on page:"+badge_str);

- 		if(badge_str > 0 || verdict == false){

- 			webex.browserAction.setBadgeText({

- 				text: "GRR",

- 				tabId: tabid

- 			});

- 			webex.browserAction.setBadgeBackgroundColor({

- 				color: "red",

- 				tabId: tabid

- 			});

- 		} else{

- 			webex.browserAction.setBadgeText({

- 				text: "OK",

- 				tabId: tabid

- 			});

- 			webex.browserAction.setBadgeBackgroundColor({

- 				color: "green",

- 				tabId: tabid

- 			});

- 		}

- 		if(verdict == true){

- 			popup_res = add_popup_entry(tabid,src_hash,{"url":domain,"accepted":[scriptname+" ("+src_hash+")",edited[2]]});

- 		} else{

- 			popup_res = add_popup_entry(tabid,src_hash,{"url":domain,"blocked":[scriptname+" ("+src_hash+")",edited[2]]});

- 		}

- 		popup_res.then(function(list_verdict){

- 			var blob;

- 			if(list_verdict == "wl"){

- 				// redirect to the unedited version

- 				if(index != -1){

- 					resolve(["/* LibreJS: Script whitelisted by user */\n"+response,index]);

- 				} else{

- 					resolve("/* LibreJS: Script whitelisted by user */\n"+response);

- 				}

- 			}else if(list_verdict == "bl"){

- 				// Blank the entire script

- 				if(index != -1){

- 					resolve(["/* LibreJS: Script blacklisted by user */\n",index]);

- 				} else{

- 					resolve("/* LibreJS: Script blacklisted by user */\n");

- 				}

- 			} else{

- 				// Return the edited (normal) version

- 				if(index != -1){

- 					resolve(["/* LibreJS: Script acknowledged */\n"+edited[1],index]);

- 				} else{

- 					resolve("/* LibreJS: Script acknowledged */\n"+edited[1]);

- 				}

- 			}

- 		});

- 	});

- }

- /**

- * 	Tests if a request is google analytics or not

- */

- function test_GA(a){

- 	// This is just an HTML page

- 	if(a.url == 'https://www.google.com/analytics/#?modal_active=none'){

- 		return false;

- 	}

- 	if(a.url.match(/https:\/\/www\.google\.com\/analytics\//g)){

- 		dbg_print("%c Google analytics (1)","color:red");

- 		return {cancel: true};

- 	}

- 	if(a.url == 'https://www.google-analytics.com/analytics.js'){

- 		dbg_print("%c Google analytics (2)","color:red");

- 		return {cancel: true};

- 	}

- 	if(a.url == 'https://www.google.com/analytics/js/analytics.min.js'){

- 		dbg_print("%c Google analytics (3)","color:red");

- 		return {cancel: true};

- 	}

- 	return false;

- }

- function block_ga(a){

- 	var GA = test_GA(a);

- 	if(GA != false){

- 		return GA;

- 	}

- }

- function read_script(a){

- 	var GA = test_GA(a);

- 	if(GA !== false){

- 		return GA;

- 	}

- 	var filter = webex.webRequest.filterResponseData(a.requestId);

- 	var decoder = new TextDecoder("utf-8");

- 	var encoder = new TextEncoder();

- 	filter.ondata = event => {

- 		var str = decoder.decode(event.data, {stream: true});

- 		var res = test_url_whitelisted(a.url);

- 		res.then(function(whitelisted){

- 			var edit_script;

- 			if(whitelisted == true){

- 				// Doesn't matter if this is accepted or blocked, it will still be whitelisted

- 				edit_script = get_script(str,a.url,a["tabId"],true);

- 			} else{

- 				edit_script = get_script(str,a.url,a["tabId"],false);

- 			}

- 			edit_script.then(function(edited){

- 				filter.write(encoder.encode(edited));

- 				filter.disconnect();

- 			});

- 		});

- 	}

- 	return {};

- }

- /**

- *	Removes noscript tags with name "librejs-path" leaving the inner content to load.

- */

- function remove_noscripts(html_doc){

- 	for(var i = 0; i < html_doc.getElementsByName("librejs-path").length; i++){

- 		if(html_doc.getElementsByName("librejs-path")[i].tagName == "NOSCRIPT"){

- 			html_doc.getElementsByName("librejs-path")[i].outerHTML = html_doc.getElementsByName("librejs-path")[i].innerHTML;

- 		}

- 	}

- 	return html_doc.documentElement.innerHTML;

- }

- /**

- * 	Reads/changes the HTML of a page and the scripts within it.

- *

- */

- function edit_html(html,url,tabid,wl){

- 	return new Promise((resolve, reject) => {

- 		if(wl == true){

- 			// Don't bother, page is whitelisted

- 			resolve(html);

- 		}

- 		var parser = new DOMParser();

- 		var html_doc = parser.parseFromString(html, "text/html");

- 		var amt_scripts = 0;

- 		var total_scripts = 0;

- 		var scripts = html_doc.scripts;

- 		// Deal with intrinsic events

- 		var has_intrinsic_events = [];

- 		for(var i = 0; i < html_doc.all.length; i++){

- 			for(var j = 0; j < intrinsic_events.length; j++){

- 				if(intrinsic_events[j] in html_doc.all[i].attributes){

- 					has_intrinsic_events.push([i,j]);

- 				}

- 			}

- 		}

- 		// "i" is an index in html_doc.all

- 		// "j" is an index in intrinsicEvents

- 		function edit_event(src,i,j,name){

- 			var edited = get_script(src,name);

- 			edited.then(function(){

- 				html_doc.all[i].attributes[intrinsicEvents[j]].value = edited[0];

- 			});

- 		}

- 		// Find all the document's elements with intrinsic events

- 		for(var i = 0; i < has_intrinsic_events.length; i++){

- 			var s_name = "Intrinsic event ["+has_intrinsic_events[i][0]+"]";

- 			edit_event(html_doc.all[has_intrinsic_events[i][0]].attributes[intrinsicEvents[has_intrinsic_events[i][1]]].value,has_intrinsic_events[i][0],has_intrinsic_events[i][1],s_name);

- 		}

- 		// Deal with inline scripts

- 		for(var i = 0; i < scripts.length; i++){

- 			if(scripts[i].src == ""){

- 				total_scripts++;

- 			}

- 		}

- 		dbg_print("Analyzing "+total_scripts+" inline scripts...");

- 		for(var i = 0; i < scripts.length; i++){

- 			if(scripts[i].src == ""){

- 				var edit_script = get_script(scripts[i].innerHTML,url,tabid,wl,i);

- 				edit_script.then(function(edited){

- 					var edited_source = edited[0];

- 					var unedited_source = html_doc.scripts[edited[1]].innerHTML.trim();

- 					html_doc.scripts[edited[1]].innerHTML = edited_source;

- 					amt_scripts++;

- 					if(amt_scripts >= total_scripts){

- 						resolve(remove_noscripts(html_doc));

- 					}

- 				});

- 			}

- 		}

- 		if(total_scripts == 0){

- 			dbg_print("Nothing to analyze.");

- 			resolve(remove_noscripts(html_doc));

- 		}

- 	});

- }

- /**

- * Callback for main frame requests

- *

- */

- function read_document(a){

- 	var GA = test_GA(a);

- 	if(GA != false){

- 		return GA;

- 	}

- 	if(unused_data[a["tabId"]] !== undefined && unused_data[a["tabId"]]["url"] != get_domain(a["url"])){

- 		delete unused_data[a["tabId"]];

- 		dbg_print("Page Changed!!!");

- 	}

- 	var str = "";

- 	var filter = webex.webRequest.filterResponseData(a.requestId);

- 	var decoder = new TextDecoder("utf-8");

- 	var encoder = new TextEncoder();

- 	filter.onerror = event => {

- 		dbg_print("%c Error in getting document","color:red");

- 	}

- 	filter.onstop = event => {

- 		var test = new ArrayBuffer();

- 		var res = test_url_whitelisted(a.url);

- 		res.then(function(whitelisted){

- 			var edit_page;

- 			if(whitelisted == true){

- 				dbg_print("WHITELISTED");

- 				// Doesn't matter if this is accepted or blocked, it will still be whitelisted

- 				filter.write(encoder.encode(str));

- 				filter.disconnect();

- 				return;

- 			} else{

- 				edit_page = edit_html(str,a.url,a["tabId"],false);

- 				edit_page.then(function(edited){

- 					filter.write(encoder.encode(edited));

- 					filter.disconnect();

- 				});

- 			}

- 		});

- 	}

- 	filter.ondata = event => {

- 		str += decoder.decode(event.data, {stream: true});

- 		return;

- 	}

- 	return {};

- }

- /**

- *	Initializes various add-on functions

- *	only meant to be called once when the script starts

- */

- function init_addon(){

- 	set_webex();

- 	webex.runtime.onConnect.addListener(connected);

- 	webex.storage.onChanged.addListener(options_listener);

- 	webex.tabs.onRemoved.addListener(delete_removed_tab_info);

- 	// Prevents Google Analytics from being loaded from Google servers

- 	var all_types = [

- 		"beacon", "csp_report", "font", "image", "imageset", "main_frame", "media",

- 		"object", "object_subrequest", "ping", "script", "stylesheet", "sub_frame",

- 		"web_manifest", "websocket", "xbl", "xml_dtd", "xmlhttprequest", "xslt",

- 		"other"

- 	]

- 	// Analyzes remote scripts

- 	webex.webRequest.onBeforeRequest.addListener(

- 		block_ga,

- 		{urls:["<all_urls>"], types:all_types},

- 		["blocking"]

- 	);

- 	// Analyzes remote scripts

- 	webex.webRequest.onBeforeRequest.addListener(

- 		read_script,

- 		{urls:["<all_urls>"], types:["script"]},

- 		["blocking"]

- 	);

- 	// Analyzes the scripts inside of HTML

- 	webex.webRequest.onBeforeRequest.addListener(

- 		read_document,

- 		{urls:["<all_urls>"], types:["main_frame"]},

- 		["blocking"]

- 	);

- }

- /**

- *	Test if a page is whitelisted/blacklisted.

- *

- *	The input here is tested against the comma seperated string found in the options.

- *

- *	It does NOT test against the individual entries created by hitting the "whitelist"

- *	button for a script in the browser action.

- */

- function test_url_whitelisted(url){

- 	return new Promise((resolve, reject) => {

- 		function cb(items){

- 			var wl = items["pref_whitelist"];

- 			if(wl !== undefined && wl !== ""){

- 				wl = wl.split(",");

- 			} else{

- 				resolve(false);

- 				return;

- 			}

- 			var regex;

- 			for(var i in wl){

- 				var s = wl[i].replace(/\*/g,"\\S*");

- 				s = s.replace(/\./g,"\\.");

- 				regex = new RegExp(s, "g");

- 				if(url.match(regex)){

- 					//console.log("%c" + wl[i] + " matched " + url,"color: purple;");

- 					resolve(true);

- 					return;

- 				} else{

- 					//console.log("%c" + wl[i] + " didn't match " + url,"color: #dd0000;");

- 				}

- 			}

- 			resolve(false);

- 			return;

- 		}

- 		webex.storage.local.get(cb);

- 	});

- }

- /**

- *	Loads the contact finder on the given tab ID.

- */

- function inject_contact_finder(tab_id){

- 	function executed(result) {

- 	  dbg_print("[TABID:"+tab_id+"]"+"finished executing contact finder: " + result);

- 	}

- 	var executing = webex.tabs.executeScript(tab_id, {file: "/contact_finder.js"}, executed);

- }

- /**

- *	Adds given domain to the whitelist in options

- */

- function add_csv_whitelist(domain){

- 	function storage_got(items){

- 		if(items["pref_whitelist"] == ""){

- 			items["pref_whitelist"] = domain + "*";

- 		} else if(items["pref_whitelist"] == "undefined"){

- 			items["pref_whitelist"] = domain + "*";

- 		} else{

- 			items["pref_whitelist"] += "," + domain + "*";

- 		}

- 		dbg_print("New CSV whitelist:");

- 		dbg_print(items["pref_whitelist"]);

- 		webex.storage.local.set({"pref_whitelist":items["pref_whitelist"]});

- 	}

- 	webex.storage.local.get(storage_got);

- }

- /**

- *	removes given domain from the whitelist in options

- */

- function remove_csv_whitelist(domain){

- 	function storage_got(items){

- 		if(items["pref_whitelist"] != ""){

- 			domain = domain + "\\*";

- 			domain.replace(/\./g,"\.");

- 			// remove domain

- 			dbg_print(new RegExp(domain,"g"));

- 			items["pref_whitelist"] = items["pref_whitelist"].replace(new RegExp(domain,"g"),"")

- 			// if an entry was deleted, it will leave an extra comma

- 			items["pref_whitelist"] = items["pref_whitelist"].replace(/,+/g,",");

- 			// remove trailing comma if the last one was deleted

- 			if(items["pref_whitelist"].charAt(items["pref_whitelist"].length-1) == ","){

- 				items["pref_whitelist"] = items["pref_whitelist"].substr(0,items["pref_whitelist"].length-2);

- 			}

- 		}

- 		dbg_print("New CSV whitelist:");

- 		dbg_print(items["pref_whitelist"]);

- 		webex.storage.local.set({"pref_whitelist":items["pref_whitelist"]});

- 	}

- 	webex.storage.local.get(storage_got);

- }

- init_addon();

- },{"acorn":2,"acorn/dist/acorn_loose":3,"acorn/dist/walk":4,"jssha":5}],2:[function(require,module,exports){

- (function (global, factory) {

- 	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :

- 	typeof define === 'function' && define.amd ? define(['exports'], factory) :

- 	(factory((global.acorn = global.acorn || {})));

- }(this, (function (exports) { 'use strict';

- // Reserved word lists for various dialects of the language

- var reservedWords = {

-   3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",

-   5: "class enum extends super const export import",

-   6: "enum",

-   strict: "implements interface let package private protected public static yield",

-   strictBind: "eval arguments"

- };

- // And the keywords

- var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";

- var keywords = {

-   5: ecma5AndLessKeywords,

-   6: ecma5AndLessKeywords + " const class extends export import super"

- };

- // ## Character categories

- // Big ugly regular expressions that match characters in the

- // whitespace, identifier, and identifier-start categories. These

- // are only applied when a character is found to actually have a

- // code point above 128.

- // Generated by `bin/generate-identifier-regex.js`.

- var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fd5\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ae\ua7b0-\ua7b7\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab65\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";

- var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d4-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d01-\u0d03\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf2-\u1cf4\u1cf8\u1cf9\u1dc0-\u1df5\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f";

- var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");

- var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");

- nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;

- // These are a run-length and offset encoded representation of the

- // >0xffff code points that are a valid part of identifiers. The

- // offset starts at 0x10000, and each pair of numbers represents an

- // offset to the next range, and then a size of the range. They were

- // generated by bin/generate-identifier-regex.js

- // eslint-disable-next-line comma-spacing

- var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,17,26,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,785,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,25,391,63,32,0,449,56,264,8,2,36,18,0,50,29,881,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,65,0,32,6124,20,754,9486,1,3071,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,10591,541];

- // eslint-disable-next-line comma-spacing

- var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,10,2,4,9,83,11,7,0,161,11,6,9,7,3,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,87,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,423,9,838,7,2,7,17,9,57,21,2,13,19882,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239];

- // This has a complexity linear to the value of the code. The

- // assumption is that looking up astral identifier characters is

- // rare.

- function isInAstralSet(code, set) {

-   var pos = 0x10000;

-   for (var i = 0; i < set.length; i += 2) {

-     pos += set[i];

-     if (pos > code) { return false }

-     pos += set[i + 1];

-     if (pos >= code) { return true }

-   }

- }

- // Test whether a given character code starts an identifier.

- function isIdentifierStart(code, astral) {

-   if (code < 65) { return code === 36 }

-   if (code < 91) { return true }

-   if (code < 97) { return code === 95 }

-   if (code < 123) { return true }

-   if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) }

-   if (astral === false) { return false }

-   return isInAstralSet(code, astralIdentifierStartCodes)

- }

- // Test whether a given character is part of an identifier.

- function isIdentifierChar(code, astral) {

-   if (code < 48) { return code === 36 }

-   if (code < 58) { return true }

-   if (code < 65) { return false }

-   if (code < 91) { return true }

-   if (code < 97) { return code === 95 }

-   if (code < 123) { return true }

-   if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) }

-   if (astral === false) { return false }

-   return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)

- }

- // ## Token types

- // The assignment of fine-grained, information-carrying type objects

- // allows the tokenizer to store the information it has about a

- // token in a way that is very cheap for the parser to look up.

- // All token type variables start with an underscore, to make them

- // easy to recognize.

- // The `beforeExpr` property is used to disambiguate between regular

- // expressions and divisions. It is set on all token types that can

- // be followed by an expression (thus, a slash after them would be a

- // regular expression).

- //

- // The `startsExpr` property is used to check if the token ends a

- // `yield` expression. It is set on all token types that either can

- // directly start an expression (like a quotation mark) or can

- // continue an expression (like the body of a string).

- //

- // `isLoop` marks a keyword as starting a loop, which is important

- // to know when parsing a label, in order to allow or disallow

- // continue jumps to that label.

- var TokenType = function TokenType(label, conf) {

-   if ( conf === void 0 ) conf = {};

-   this.label = label;

-   this.keyword = conf.keyword;

-   this.beforeExpr = !!conf.beforeExpr;

-   this.startsExpr = !!conf.startsExpr;

-   this.isLoop = !!conf.isLoop;

-   this.isAssign = !!conf.isAssign;

-   this.prefix = !!conf.prefix;

-   this.postfix = !!conf.postfix;

-   this.binop = conf.binop || null;

-   this.updateContext = null;

- };

- function binop(name, prec) {

-   return new TokenType(name, {beforeExpr: true, binop: prec})

- }

- var beforeExpr = {beforeExpr: true};

- var startsExpr = {startsExpr: true};

- // Map keyword names to token types.

- var keywords$1 = {};

- // Succinct definitions of keyword token types

- function kw(name, options) {

-   if ( options === void 0 ) options = {};

-   options.keyword = name;

-   return keywords$1[name] = new TokenType(name, options)

- }

- var types = {

-   num: new TokenType("num", startsExpr),

-   regexp: new TokenType("regexp", startsExpr),

-   string: new TokenType("string", startsExpr),

-   name: new TokenType("name", startsExpr),

-   eof: new TokenType("eof"),

-   // Punctuation token types.

-   bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}),

-   bracketR: new TokenType("]"),

-   braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}),

-   braceR: new TokenType("}"),

-   parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}),

-   parenR: new TokenType(")"),

-   comma: new TokenType(",", beforeExpr),

-   semi: new TokenType(";", beforeExpr),

-   colon: new TokenType(":", beforeExpr),

-   dot: new TokenType("."),

-   question: new TokenType("?", beforeExpr),

-   arrow: new TokenType("=>", beforeExpr),

-   template: new TokenType("template"),

-   invalidTemplate: new TokenType("invalidTemplate"),

-   ellipsis: new TokenType("...", beforeExpr),

-   backQuote: new TokenType("`", startsExpr),

-   dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}),

-   // Operators. These carry several kinds of properties to help the

-   // parser use them properly (the presence of these properties is

-   // what categorizes them as operators).

-   //

-   // `binop`, when present, specifies that this operator is a binary

-   // operator, and will refer to its precedence.

-   //

-   // `prefix` and `postfix` mark the operator as a prefix or postfix

-   // unary operator.

-   //

-   // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as

-   // binary operators with a very low precedence, that should result

-   // in AssignmentExpression nodes.

-   eq: new TokenType("=", {beforeExpr: true, isAssign: true}),

-   assign: new TokenType("_=", {beforeExpr: true, isAssign: true}),

-   incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}),

-   prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}),

-   logicalOR: binop("||", 1),

-   logicalAND: binop("&&", 2),

-   bitwiseOR: binop("|", 3),

-   bitwiseXOR: binop("^", 4),

-   bitwiseAND: binop("&", 5),

-   equality: binop("==/!=/===/!==", 6),

-   relational: binop("</>/<=/>=", 7),

-   bitShift: binop("<</>>/>>>", 8),

-   plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),

-   modulo: binop("%", 10),

-   star: binop("*", 10),

-   slash: binop("/", 10),

-   starstar: new TokenType("**", {beforeExpr: true}),

-   // Keyword token types.

-   _break: kw("break"),

-   _case: kw("case", beforeExpr),

-   _catch: kw("catch"),

-   _continue: kw("continue"),

-   _debugger: kw("debugger"),

-   _default: kw("default", beforeExpr),

-   _do: kw("do", {isLoop: true, beforeExpr: true}),

-   _else: kw("else", beforeExpr),

-   _finally: kw("finally"),

-   _for: kw("for", {isLoop: true}),

-   _function: kw("function", startsExpr),

-   _if: kw("if"),

-   _return: kw("return", beforeExpr),

-   _switch: kw("switch"),

-   _throw: kw("throw", beforeExpr),

-   _try: kw("try"),

-   _var: kw("var"),

-   _const: kw("const"),

-   _while: kw("while", {isLoop: true}),

-   _with: kw("with"),

-   _new: kw("new", {beforeExpr: true, startsExpr: true}),

-   _this: kw("this", startsExpr),

-   _super: kw("super", startsExpr),

-   _class: kw("class", startsExpr),

-   _extends: kw("extends", beforeExpr),

-   _export: kw("export"),

-   _import: kw("import"),

-   _null: kw("null", startsExpr),

-   _true: kw("true", startsExpr),

-   _false: kw("false", startsExpr),

-   _in: kw("in", {beforeExpr: true, binop: 7}),

-   _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}),

-   _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}),

-   _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}),

-   _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true})

- };

- // Matches a whole line break (where CRLF is considered a single

- // line break). Used to count lines.

- var lineBreak = /\r\n?|\n|\u2028|\u2029/;

- var lineBreakG = new RegExp(lineBreak.source, "g");

- function isNewLine(code) {

-   return code === 10 || code === 13 || code === 0x2028 || code === 0x2029

- }

- var nonASCIIwhitespace = /[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/;

- var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;

- var ref = Object.prototype;

- var hasOwnProperty = ref.hasOwnProperty;

- var toString = ref.toString;

- // Checks if an object has a property.

- function has(obj, propName) {

-   return hasOwnProperty.call(obj, propName)

- }

- var isArray = Array.isArray || (function (obj) { return (

-   toString.call(obj) === "[object Array]"

- ); });

- // These are used when `options.locations` is on, for the

- // `startLoc` and `endLoc` properties.

- var Position = function Position(line, col) {

-   this.line = line;

-   this.column = col;

- };

- Position.prototype.offset = function offset (n) {

-   return new Position(this.line, this.column + n)

- };

- var SourceLocation = function SourceLocation(p, start, end) {

-   this.start = start;

-   this.end = end;

-   if (p.sourceFile !== null) { this.source = p.sourceFile; }

- };

- // The `getLineInfo` function is mostly useful when the

- // `locations` option is off (for performance reasons) and you

- // want to find the line/column position for a given character

- // offset. `input` should be the code string that the offset refers

- // into.

- function getLineInfo(input, offset) {

-   for (var line = 1, cur = 0;;) {

-     lineBreakG.lastIndex = cur;

-     var match = lineBreakG.exec(input);

-     if (match && match.index < offset) {

-       ++line;

-       cur = match.index + match[0].length;

-     } else {

-       return new Position(line, offset - cur)

-     }

-   }

- }

- // A second optional argument can be given to further configure

- // the parser process. These options are recognized:

- var defaultOptions = {

-   // `ecmaVersion` indicates the ECMAScript version to parse. Must

-   // be either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support

-   // for strict mode, the set of reserved words, and support for

-   // new syntax features. The default is 7.

-   ecmaVersion: 7,

-   // `sourceType` indicates the mode the code should be parsed in.

-   // Can be either `"script"` or `"module"`. This influences global

-   // strict mode and parsing of `import` and `export` declarations.

-   sourceType: "script",

-   // `onInsertedSemicolon` can be a callback that will be called

-   // when a semicolon is automatically inserted. It will be passed

-   // th position of the comma as an offset, and if `locations` is

-   // enabled, it is given the location as a `{line, column}` object

-   // as second argument.

-   onInsertedSemicolon: null,

-   // `onTrailingComma` is similar to `onInsertedSemicolon`, but for

-   // trailing commas.

-   onTrailingComma: null,

-   // By default, reserved words are only enforced if ecmaVersion >= 5.

-   // Set `allowReserved` to a boolean value to explicitly turn this on

-   // an off. When this option has the value "never", reserved words

-   // and keywords can also not be used as property names.

-   allowReserved: null,

-   // When enabled, a return at the top level is not considered an

-   // error.

-   allowReturnOutsideFunction: false,

-   // When enabled, import/export statements are not constrained to

-   // appearing at the top of the program.

-   allowImportExportEverywhere: false,

-   // When enabled, hashbang directive in the beginning of file

-   // is allowed and treated as a line comment.

-   allowHashBang: false,

-   // When `locations` is on, `loc` properties holding objects with

-   // `start` and `end` properties in `{line, column}` form (with

-   // line being 1-based and column 0-based) will be attached to the

-   // nodes.

-   locations: false,

-   // A function can be passed as `onToken` option, which will

-   // cause Acorn to call that function with object in the same

-   // format as tokens returned from `tokenizer().getToken()`. Note

-   // that you are not allowed to call the parser from the

-   // callback—that will corrupt its internal state.

-   onToken: null,

-   // A function can be passed as `onComment` option, which will

-   // cause Acorn to call that function with `(block, text, start,

-   // end)` parameters whenever a comment is skipped. `block` is a

-   // boolean indicating whether this is a block (`/* */`) comment,

-   // `text` is the content of the comment, and `start` and `end` are

-   // character offsets that denote the start and end of the comment.

-   // When the `locations` option is on, two more parameters are

-   // passed, the full `{line, column}` locations of the start and

-   // end of the comments. Note that you are not allowed to call the

-   // parser from the callback—that will corrupt its internal state.

-   onComment: null,

-   // Nodes have their start and end characters offsets recorded in

-   // `start` and `end` properties (directly on the node, rather than

-   // the `loc` object, which holds line/column data. To also add a

-   // [semi-standardized][range] `range` property holding a `[start,

-   // end]` array with the same numbers, set the `ranges` option to

-   // `true`.

-   //

-   // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678

-   ranges: false,

-   // It is possible to parse multiple files into a single AST by

-   // passing the tree produced by parsing the first file as

-   // `program` option in subsequent parses. This will add the

-   // toplevel forms of the parsed file to the `Program` (top) node

-   // of an existing parse tree.

-   program: null,

-   // When `locations` is on, you can pass this to record the source

-   // file in every node's `loc` object.

-   sourceFile: null,

-   // This value, if given, is stored in every node, whether

-   // `locations` is on or off.

-   directSourceFile: null,

-   // When enabled, parenthesized expressions are represented by

-   // (non-standard) ParenthesizedExpression nodes

-   preserveParens: false,

-   plugins: {}

- };

- // Interpret and default an options object

- function getOptions(opts) {

-   var options = {};

-   for (var opt in defaultOptions)

-     { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; }

-   if (options.ecmaVersion >= 2015)

-     { options.ecmaVersion -= 2009; }

-   if (options.allowReserved == null)

-     { options.allowReserved = options.ecmaVersion < 5; }

-   if (isArray(options.onToken)) {

-     var tokens = options.onToken;

-     options.onToken = function (token) { return tokens.push(token); };

-   }

-   if (isArray(options.onComment))

-     { options.onComment = pushComment(options, options.onComment); }

-   return options

- }

- function pushComment(options, array) {

-   return function(block, text, start, end, startLoc, endLoc) {

-     var comment = {

-       type: block ? "Block" : "Line",

-       value: text,

-       start: start,

-       end: end

-     };

-     if (options.locations)

-       { comment.loc = new SourceLocation(this, startLoc, endLoc); }

-     if (options.ranges)

-       { comment.range = [start, end]; }

-     array.push(comment);

-   }

- }

- // Registered plugins

- var plugins = {};

- function keywordRegexp(words) {

-   return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")

- }

- var Parser = function Parser(options, input, startPos) {

-   this.options = options = getOptions(options);

-   this.sourceFile = options.sourceFile;

-   this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5]);

-   var reserved = "";

-   if (!options.allowReserved) {

-     for (var v = options.ecmaVersion;; v--)

-       { if (reserved = reservedWords[v]) { break } }

-     if (options.sourceType == "module") { reserved += " await"; }

-   }

-   this.reservedWords = keywordRegexp(reserved);

-   var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict;

-   this.reservedWordsStrict = keywordRegexp(reservedStrict);

-   this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind);

-   this.input = String(input);

-   // Used to signal to callers of `readWord1` whether the word

-   // contained any escape sequences. This is needed because words with

-   // escape sequences must not be interpreted as keywords.

-   this.containsEsc = false;

-   // Load plugins

-   this.loadPlugins(options.plugins);

-   // Set up token state

-   // The current position of the tokenizer in the input.

-   if (startPos) {

-     this.pos = startPos;

-     this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;

-     this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;

-   } else {

-     this.pos = this.lineStart = 0;

-     this.curLine = 1;

-   }

-   // Properties of the current token:

-   // Its type

-   this.type = types.eof;

-   // For tokens that include more information than their type, the value

-   this.value = null;

-   // Its start and end offset

-   this.start = this.end = this.pos;

-   // And, if locations are used, the {line, column} object

-   // corresponding to those offsets

-   this.startLoc = this.endLoc = this.curPosition();

-   // Position information for the previous token

-   this.lastTokEndLoc = this.lastTokStartLoc = null;

-   this.lastTokStart = this.lastTokEnd = this.pos;

-   // The context stack is used to superficially track syntactic

-   // context to predict whether a regular expression is allowed in a

-   // given position.

-   this.context = this.initialContext();

-   this.exprAllowed = true;

-   // Figure out if it's a module code.

-   this.inModule = options.sourceType === "module";

-   this.strict = this.inModule || this.strictDirective(this.pos);

-   // Used to signify the start of a potential arrow function

-   this.potentialArrowAt = -1;

-   // Flags to track whether we are in a function, a generator, an async function.

-   this.inFunction = this.inGenerator = this.inAsync = false;

-   // Positions to delayed-check that yield/await does not exist in default parameters.

-   this.yieldPos = this.awaitPos = 0;

-   // Labels in scope.

-   this.labels = [];

-   // If enabled, skip leading hashbang line.

-   if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!")

-     { this.skipLineComment(2); }

-   // Scope tracking for duplicate variable names (see scope.js)

-   this.scopeStack = [];

-   this.enterFunctionScope();

- };

- // DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them

- Parser.prototype.isKeyword = function isKeyword (word) { return this.keywords.test(word) };

- Parser.prototype.isReservedWord = function isReservedWord (word) { return this.reservedWords.test(word) };

- Parser.prototype.extend = function extend (name, f) {

-   this[name] = f(this[name]);

- };

- Parser.prototype.loadPlugins = function loadPlugins (pluginConfigs) {

-     var this$1 = this;

-   for (var name in pluginConfigs) {

-     var plugin = plugins[name];

-     if (!plugin) { throw new Error("Plugin '" + name + "' not found") }

-     plugin(this$1, pluginConfigs[name]);

-   }

- };

- Parser.prototype.parse = function parse () {

-   var node = this.options.program || this.startNode();

-   this.nextToken();

-   return this.parseTopLevel(node)

- };

- var pp = Parser.prototype;

- // ## Parser utilities

- var literal = /^(?:'((?:\\.|[^'])*?)'|"((?:\\.|[^"])*?)"|;)/;

- pp.strictDirective = function(start) {

-   var this$1 = this;

-   for (;;) {

-     skipWhiteSpace.lastIndex = start;

-     start += skipWhiteSpace.exec(this$1.input)[0].length;

-     var match = literal.exec(this$1.input.slice(start));

-     if (!match) { return false }

-     if ((match[1] || match[2]) == "use strict") { return true }

-     start += match[0].length;

-   }

- };

- // Predicate that tests whether the next token is of the given

- // type, and if yes, consumes it as a side effect.

- pp.eat = function(type) {

-   if (this.type === type) {

-     this.next();

-     return true

-   } else {

-     return false

-   }

- };

- // Tests whether parsed token is a contextual keyword.

- pp.isContextual = function(name) {

-   return this.type === types.name && this.value === name

- };

- // Consumes contextual keyword if possible.

- pp.eatContextual = function(name) {

-   return this.value === name && this.eat(types.name)

- };

- // Asserts that following token is given contextual keyword.

- pp.expectContextual = function(name) {

-   if (!this.eatContextual(name)) { this.unexpected(); }

- };

- // Test whether a semicolon can be inserted at the current position.

- pp.canInsertSemicolon = function() {

-   return this.type === types.eof ||

-     this.type === types.braceR ||

-     lineBreak.test(this.input.slice(this.lastTokEnd, this.start))

- };

- pp.insertSemicolon = function() {

-   if (this.canInsertSemicolon()) {

-     if (this.options.onInsertedSemicolon)

-       { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); }

-     return true

-   }

- };

- // Consume a semicolon, or, failing that, see if we are allowed to

- // pretend that there is a semicolon at this position.

- pp.semicolon = function() {

-   if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); }

- };

- pp.afterTrailingComma = function(tokType, notNext) {

-   if (this.type == tokType) {

-     if (this.options.onTrailingComma)

-       { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); }

-     if (!notNext)

-       { this.next(); }

-     return true

-   }

- };

- // Expect a token of a given type. If found, consume it, otherwise,

- // raise an unexpected token error.

- pp.expect = function(type) {

-   this.eat(type) || this.unexpected();

- };

- // Raise an unexpected token error.

- pp.unexpected = function(pos) {

-   this.raise(pos != null ? pos : this.start, "Unexpected token");

- };

- function DestructuringErrors() {

-   this.shorthandAssign =

-   this.trailingComma =

-   this.parenthesizedAssign =

-   this.parenthesizedBind =

-     -1;

- }

- pp.checkPatternErrors = function(refDestructuringErrors, isAssign) {

-   if (!refDestructuringErrors) { return }

-   if (refDestructuringErrors.trailingComma > -1)

-     { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); }

-   var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;

-   if (parens > -1) { this.raiseRecoverable(parens, "Parenthesized pattern"); }

- };

- pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {

-   var pos = refDestructuringErrors ? refDestructuringErrors.shorthandAssign : -1;

-   if (!andThrow) { return pos >= 0 }

-   if (pos > -1) { this.raise(pos, "Shorthand property assignments are valid only in destructuring patterns"); }

- };

- pp.checkYieldAwaitInDefaultParams = function() {

-   if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))

-     { this.raise(this.yieldPos, "Yield expression cannot be a default value"); }

-   if (this.awaitPos)

-     { this.raise(this.awaitPos, "Await expression cannot be a default value"); }

- };

- pp.isSimpleAssignTarget = function(expr) {

-   if (expr.type === "ParenthesizedExpression")

-     { return this.isSimpleAssignTarget(expr.expression) }

-   return expr.type === "Identifier" || expr.type === "MemberExpression"

- };

- var pp$1 = Parser.prototype;

- // ### Statement parsing

- // Parse a program. Initializes the parser, reads any number of

- // statements, and wraps them in a Program node.  Optionally takes a

- // `program` argument.  If present, the statements will be appended

- // to its body instead of creating a new node.

- pp$1.parseTopLevel = function(node) {

-   var this$1 = this;

-   var exports = {};

-   if (!node.body) { node.body = []; }

-   while (this.type !== types.eof) {

-     var stmt = this$1.parseStatement(true, true, exports);

-     node.body.push(stmt);

-   }

-   this.next();

-   if (this.options.ecmaVersion >= 6) {

-     node.sourceType = this.options.sourceType;

-   }

-   return this.finishNode(node, "Program")

- };

- var loopLabel = {kind: "loop"};

- var switchLabel = {kind: "switch"};

- pp$1.isLet = function() {

-   if (this.type !== types.name || this.options.ecmaVersion < 6 || this.value != "let") { return false }

-   skipWhiteSpace.lastIndex = this.pos;

-   var skip = skipWhiteSpace.exec(this.input);

-   var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);

-   if (nextCh === 91 || nextCh == 123) { return true } // '{' and '['

-   if (isIdentifierStart(nextCh, true)) {

-     var pos = next + 1;

-     while (isIdentifierChar(this.input.charCodeAt(pos), true)) { ++pos; }

-     var ident = this.input.slice(next, pos);

-     if (!this.isKeyword(ident)) { return true }

-   }

-   return false

- };

- // check 'async [no LineTerminator here] function'

- // - 'async /*foo*/ function' is OK.

- // - 'async /*\n*/ function' is invalid.

- pp$1.isAsyncFunction = function() {

-   if (this.type !== types.name || this.options.ecmaVersion < 8 || this.value != "async")

-     { return false }

-   skipWhiteSpace.lastIndex = this.pos;

-   var skip = skipWhiteSpace.exec(this.input);

-   var next = this.pos + skip[0].length;

-   return !lineBreak.test(this.input.slice(this.pos, next)) &&

-     this.input.slice(next, next + 8) === "function" &&

-     (next + 8 == this.input.length || !isIdentifierChar(this.input.charAt(next + 8)))

- };

- // Parse a single statement.

- //

- // If expecting a statement and finding a slash operator, parse a

- // regular expression literal. This is to handle cases like

- // `if (foo) /blah/.exec(foo)`, where looking at the previous token

- // does not help.

- pp$1.parseStatement = function(declaration, topLevel, exports) {

-   var starttype = this.type, node = this.startNode(), kind;

-   if (this.isLet()) {

-     starttype = types._var;

-     kind = "let";

-   }

-   // Most types of statements are recognized by the keyword they

-   // start with. Many are trivial to parse, some require a bit of

-   // complexity.

-   switch (starttype) {

-   case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword)

-   case types._debugger: return this.parseDebuggerStatement(node)

-   case types._do: return this.parseDoStatement(node)

-   case types._for: return this.parseForStatement(node)

-   case types._function:

-     if (!declaration && this.options.ecmaVersion >= 6) { this.unexpected(); }

-     return this.parseFunctionStatement(node, false)

-   case types._class:

-     if (!declaration) { this.unexpected(); }

-     return this.parseClass(node, true)

-   case types._if: return this.parseIfStatement(node)

-   case types._return: return this.parseReturnStatement(node)

-   case types._switch: return this.parseSwitchStatement(node)

-   case types._throw: return this.parseThrowStatement(node)

-   case types._try: return this.parseTryStatement(node)

-   case types._const: case types._var:

-     kind = kind || this.value;

-     if (!declaration && kind != "var") { this.unexpected(); }

-     return this.parseVarStatement(node, kind)

-   case types._while: return this.parseWhileStatement(node)

-   case types._with: return this.parseWithStatement(node)

-   case types.braceL: return this.parseBlock()

-   case types.semi: return this.parseEmptyStatement(node)

-   case types._export:

-   case types._import:

-     if (!this.options.allowImportExportEverywhere) {

-       if (!topLevel)

-         { this.raise(this.start, "'import' and 'export' may only appear at the top level"); }

-       if (!this.inModule)

-         { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); }

-     }

-     return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports)

-     // If the statement does not start with a statement keyword or a

-     // brace, it's an ExpressionStatement or LabeledStatement. We

-     // simply start parsing an expression, and afterwards, if the

-     // next token is a colon and the expression was a simple

-     // Identifier node, we switch to interpreting it as a label.

-   default:

-     if (this.isAsyncFunction() && declaration) {

-       this.next();

-       return this.parseFunctionStatement(node, true)

-     }

-     var maybeName = this.value, expr = this.parseExpression();

-     if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon))

-       { return this.parseLabeledStatement(node, maybeName, expr) }

-     else { return this.parseExpressionStatement(node, expr) }

-   }

- };

- pp$1.parseBreakContinueStatement = function(node, keyword) {

-   var this$1 = this;

-   var isBreak = keyword == "break";

-   this.next();

-   if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; }

-   else if (this.type !== types.name) { this.unexpected(); }

-   else {

-     node.label = this.parseIdent();

-     this.semicolon();

-   }

-   // Verify that there is an actual destination to break or

-   // continue to.

-   var i = 0;

-   for (; i < this.labels.length; ++i) {

-     var lab = this$1.labels[i];

-     if (node.label == null || lab.name === node.label.name) {

-       if (lab.kind != null && (isBreak || lab.kind === "loop")) { break }

-       if (node.label && isBreak) { break }

-     }

-   }

-   if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); }

-   return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")

- };

- pp$1.parseDebuggerStatement = function(node) {

-   this.next();

-   this.semicolon();

-   return this.finishNode(node, "DebuggerStatement")

- };

- pp$1.parseDoStatement = function(node) {

-   this.next();

-   this.labels.push(loopLabel);

-   node.body = this.parseStatement(false);

-   this.labels.pop();

-   this.expect(types._while);

-   node.test = this.parseParenExpression();

-   if (this.options.ecmaVersion >= 6)

-     { this.eat(types.semi); }

-   else

-     { this.semicolon(); }

-   return this.finishNode(node, "DoWhileStatement")

- };

- // Disambiguating between a `for` and a `for`/`in` or `for`/`of`

- // loop is non-trivial. Basically, we have to parse the init `var`

- // statement or expression, disallowing the `in` operator (see

- // the second parameter to `parseExpression`), and then check

- // whether the next token is `in` or `of`. When there is no init

- // part (semicolon immediately after the opening parenthesis), it

- // is a regular `for` loop.

- pp$1.parseForStatement = function(node) {

-   this.next();

-   this.labels.push(loopLabel);

-   this.enterLexicalScope();

-   this.expect(types.parenL);

-   if (this.type === types.semi) { return this.parseFor(node, null) }

-   var isLet = this.isLet();

-   if (this.type === types._var || this.type === types._const || isLet) {

-     var init$1 = this.startNode(), kind = isLet ? "let" : this.value;

-     this.next();

-     this.parseVar(init$1, true, kind);

-     this.finishNode(init$1, "VariableDeclaration");

-     if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1 &&

-         !(kind !== "var" && init$1.declarations[0].init))

-       { return this.parseForIn(node, init$1) }

-     return this.parseFor(node, init$1)

-   }

-   var refDestructuringErrors = new DestructuringErrors;

-   var init = this.parseExpression(true, refDestructuringErrors);

-   if (this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) {

-     this.toAssignable(init);

-     this.checkLVal(init);

-     this.checkPatternErrors(refDestructuringErrors, true);

-     return this.parseForIn(node, init)

-   } else {

-     this.checkExpressionErrors(refDestructuringErrors, true);

-   }

-   return this.parseFor(node, init)

- };

- pp$1.parseFunctionStatement = function(node, isAsync) {

-   this.next();

-   return this.parseFunction(node, true, false, isAsync)

- };

- pp$1.isFunction = function() {

-   return this.type === types._function || this.isAsyncFunction()

- };

- pp$1.parseIfStatement = function(node) {

-   this.next();

-   node.test = this.parseParenExpression();

-   // allow function declarations in branches, but only in non-strict mode

-   node.consequent = this.parseStatement(!this.strict && this.isFunction());

-   node.alternate = this.eat(types._else) ? this.parseStatement(!this.strict && this.isFunction()) : null;

-   return this.finishNode(node, "IfStatement")

- };

- pp$1.parseReturnStatement = function(node) {

-   if (!this.inFunction && !this.options.allowReturnOutsideFunction)

-     { this.raise(this.start, "'return' outside of function"); }

-   this.next();

-   // In `return` (and `break`/`continue`), the keywords with

-   // optional arguments, we eagerly look for a semicolon or the

-   // possibility to insert one.

-   if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; }

-   else { node.argument = this.parseExpression(); this.semicolon(); }

-   return this.finishNode(node, "ReturnStatement")

- };

- pp$1.parseSwitchStatement = function(node) {

-   var this$1 = this;

-   this.next();

-   node.discriminant = this.parseParenExpression();

-   node.cases = [];

-   this.expect(types.braceL);

-   this.labels.push(switchLabel);

-   this.enterLexicalScope();

-   // Statements under must be grouped (by label) in SwitchCase

-   // nodes. `cur` is used to keep the node that we are currently

-   // adding statements to.

-   var cur;

-   for (var sawDefault = false; this.type != types.braceR;) {

-     if (this$1.type === types._case || this$1.type === types._default) {

-       var isCase = this$1.type === types._case;

-       if (cur) { this$1.finishNode(cur, "SwitchCase"); }

-       node.cases.push(cur = this$1.startNode());

-       cur.consequent = [];

-       this$1.next();

-       if (isCase) {

-         cur.test = this$1.parseExpression();

-       } else {

-         if (sawDefault) { this$1.raiseRecoverable(this$1.lastTokStart, "Multiple default clauses"); }

-         sawDefault = true;

-         cur.test = null;

-       }

-       this$1.expect(types.colon);

-     } else {

-       if (!cur) { this$1.unexpected(); }

-       cur.consequent.push(this$1.parseStatement(true));

-     }

-   }

-   this.exitLexicalScope();

-   if (cur) { this.finishNode(cur, "SwitchCase"); }

-   this.next(); // Closing brace

-   this.labels.pop();

-   return this.finishNode(node, "SwitchStatement")

- };

- pp$1.parseThrowStatement = function(node) {

-   this.next();

-   if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start)))

-     { this.raise(this.lastTokEnd, "Illegal newline after throw"); }

-   node.argument = this.parseExpression();

-   this.semicolon();

-   return this.finishNode(node, "ThrowStatement")

- };

- // Reused empty array added for node fields that are always empty.

- var empty = [];

- pp$1.parseTryStatement = function(node) {

-   this.next();

-   node.block = this.parseBlock();

-   node.handler = null;

-   if (this.type === types._catch) {

-     var clause = this.startNode();

-     this.next();

-     this.expect(types.parenL);

-     clause.param = this.parseBindingAtom();

-     this.enterLexicalScope();

-     this.checkLVal(clause.param, "let");

-     this.expect(types.parenR);

-     clause.body = this.parseBlock(false);

-     this.exitLexicalScope();

-     node.handler = this.finishNode(clause, "CatchClause");

-   }

-   node.finalizer = this.eat(types._finally) ? this.parseBlock() : null;

-   if (!node.handler && !node.finalizer)

-     { this.raise(node.start, "Missing catch or finally clause"); }

-   return this.finishNode(node, "TryStatement")

- };

- pp$1.parseVarStatement = function(node, kind) {

-   this.next();

-   this.parseVar(node, false, kind);

-   this.semicolon();

-   return this.finishNode(node, "VariableDeclaration")

- };

- pp$1.parseWhileStatement = function(node) {

-   this.next();

-   node.test = this.parseParenExpression();

-   this.labels.push(loopLabel);

-   node.body = this.parseStatement(false);

-   this.labels.pop();

-   return this.finishNode(node, "WhileStatement")

- };

- pp$1.parseWithStatement = function(node) {

-   if (this.strict) { this.raise(this.start, "'with' in strict mode"); }

-   this.next();

-   node.object = this.parseParenExpression();

-   node.body = this.parseStatement(false);

-   return this.finishNode(node, "WithStatement")

- };

- pp$1.parseEmptyStatement = function(node) {

-   this.next();

-   return this.finishNode(node, "EmptyStatement")

- };

- pp$1.parseLabeledStatement = function(node, maybeName, expr) {

-   var this$1 = this;

-   for (var i$1 = 0, list = this$1.labels; i$1 < list.length; i$1 += 1)

-     {

-     var label = list[i$1];

-     if (label.name === maybeName)

-       { this$1.raise(expr.start, "Label '" + maybeName + "' is already declared");

-   } }

-   var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null;

-   for (var i = this.labels.length - 1; i >= 0; i--) {

-     var label$1 = this$1.labels[i];

-     if (label$1.statementStart == node.start) {

-       label$1.statementStart = this$1.start;

-       label$1.kind = kind;

-     } else { break }

-   }

-   this.labels.push({name: maybeName, kind: kind, statementStart: this.start});

-   node.body = this.parseStatement(true);

-   if (node.body.type == "ClassDeclaration" ||

-       node.body.type == "VariableDeclaration" && node.body.kind != "var" ||

-       node.body.type == "FunctionDeclaration" && (this.strict || node.body.generator))

-     { this.raiseRecoverable(node.body.start, "Invalid labeled declaration"); }

-   this.labels.pop();

-   node.label = expr;

-   return this.finishNode(node, "LabeledStatement")

- };

- pp$1.parseExpressionStatement = function(node, expr) {

-   node.expression = expr;

-   this.semicolon();

-   return this.finishNode(node, "ExpressionStatement")

- };

- // Parse a semicolon-enclosed block of statements, handling `"use

- // strict"` declarations when `allowStrict` is true (used for

- // function bodies).

- pp$1.parseBlock = function(createNewLexicalScope) {

-   var this$1 = this;

-   if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true;

-   var node = this.startNode();

-   node.body = [];

-   this.expect(types.braceL);

-   if (createNewLexicalScope) {

-     this.enterLexicalScope();

-   }

-   while (!this.eat(types.braceR)) {

-     var stmt = this$1.parseStatement(true);

-     node.body.push(stmt);

-   }

-   if (createNewLexicalScope) {

-     this.exitLexicalScope();

-   }

-   return this.finishNode(node, "BlockStatement")

- };

- // Parse a regular `for` loop. The disambiguation code in

- // `parseStatement` will already have parsed the init statement or

- // expression.

- pp$1.parseFor = function(node, init) {

-   node.init = init;

-   this.expect(types.semi);

-   node.test = this.type === types.semi ? null : this.parseExpression();

-   this.expect(types.semi);

-   node.update = this.type === types.parenR ? null : this.parseExpression();

-   this.expect(types.parenR);

-   this.exitLexicalScope();

-   node.body = this.parseStatement(false);

-   this.labels.pop();

-   return this.finishNode(node, "ForStatement")

- };

- // Parse a `for`/`in` and `for`/`of` loop, which are almost

- // same from parser's perspective.

- pp$1.parseForIn = function(node, init) {

-   var type = this.type === types._in ? "ForInStatement" : "ForOfStatement";

-   this.next();

-   node.left = init;

-   node.right = this.parseExpression();

-   this.expect(types.parenR);

-   this.exitLexicalScope();

-   node.body = this.parseStatement(false);

-   this.labels.pop();

-   return this.finishNode(node, type)

- };

- // Parse a list of variable declarations.

- pp$1.parseVar = function(node, isFor, kind) {

-   var this$1 = this;

-   node.declarations = [];

-   node.kind = kind;

-   for (;;) {

-     var decl = this$1.startNode();

-     this$1.parseVarId(decl, kind);

-     if (this$1.eat(types.eq)) {

-       decl.init = this$1.parseMaybeAssign(isFor);

-     } else if (kind === "const" && !(this$1.type === types._in || (this$1.options.ecmaVersion >= 6 && this$1.isContextual("of")))) {

-       this$1.unexpected();

-     } else if (decl.id.type != "Identifier" && !(isFor && (this$1.type === types._in || this$1.isContextual("of")))) {

-       this$1.raise(this$1.lastTokEnd, "Complex binding patterns require an initialization value");

-     } else {

-       decl.init = null;

-     }

-     node.declarations.push(this$1.finishNode(decl, "VariableDeclarator"));

-     if (!this$1.eat(types.comma)) { break }

-   }

-   return node

- };

- pp$1.parseVarId = function(decl, kind) {

-   decl.id = this.parseBindingAtom(kind);

-   this.checkLVal(decl.id, kind, false);

- };

- // Parse a function declaration or literal (depending on the

- // `isStatement` parameter).

- pp$1.parseFunction = function(node, isStatement, allowExpressionBody, isAsync) {

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 6 && !isAsync)

-     { node.generator = this.eat(types.star); }

-   if (this.options.ecmaVersion >= 8)

-     { node.async = !!isAsync; }

-   if (isStatement) {

-     node.id = isStatement === "nullableID" && this.type != types.name ? null : this.parseIdent();

-     if (node.id) {

-       this.checkLVal(node.id, "var");

-     }

-   }

-   var oldInGen = this.inGenerator, oldInAsync = this.inAsync,

-       oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;

-   this.inGenerator = node.generator;

-   this.inAsync = node.async;

-   this.yieldPos = 0;

-   this.awaitPos = 0;

-   this.inFunction = true;

-   this.enterFunctionScope();

-   if (!isStatement)

-     { node.id = this.type == types.name ? this.parseIdent() : null; }

-   this.parseFunctionParams(node);

-   this.parseFunctionBody(node, allowExpressionBody);

-   this.inGenerator = oldInGen;

-   this.inAsync = oldInAsync;

-   this.yieldPos = oldYieldPos;

-   this.awaitPos = oldAwaitPos;

-   this.inFunction = oldInFunc;

-   return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")

- };

- pp$1.parseFunctionParams = function(node) {

-   this.expect(types.parenL);

-   node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);

-   this.checkYieldAwaitInDefaultParams();

- };

- // Parse a class declaration or literal (depending on the

- // `isStatement` parameter).

- pp$1.parseClass = function(node, isStatement) {

-   var this$1 = this;

-   this.next();

-   this.parseClassId(node, isStatement);

-   this.parseClassSuper(node);

-   var classBody = this.startNode();

-   var hadConstructor = false;

-   classBody.body = [];

-   this.expect(types.braceL);

-   while (!this.eat(types.braceR)) {

-     if (this$1.eat(types.semi)) { continue }

-     var method = this$1.startNode();

-     var isGenerator = this$1.eat(types.star);

-     var isAsync = false;

-     var isMaybeStatic = this$1.type === types.name && this$1.value === "static";

-     this$1.parsePropertyName(method);

-     method.static = isMaybeStatic && this$1.type !== types.parenL;

-     if (method.static) {

-       if (isGenerator) { this$1.unexpected(); }

-       isGenerator = this$1.eat(types.star);

-       this$1.parsePropertyName(method);

-     }

-     if (this$1.options.ecmaVersion >= 8 && !isGenerator && !method.computed &&

-         method.key.type === "Identifier" && method.key.name === "async" && this$1.type !== types.parenL &&

-         !this$1.canInsertSemicolon()) {

-       isAsync = true;

-       this$1.parsePropertyName(method);

-     }

-     method.kind = "method";

-     var isGetSet = false;

-     if (!method.computed) {

-       var key = method.key;

-       if (!isGenerator && !isAsync && key.type === "Identifier" && this$1.type !== types.parenL && (key.name === "get" || key.name === "set")) {

-         isGetSet = true;

-         method.kind = key.name;

-         key = this$1.parsePropertyName(method);

-       }

-       if (!method.static && (key.type === "Identifier" && key.name === "constructor" ||

-           key.type === "Literal" && key.value === "constructor")) {

-         if (hadConstructor) { this$1.raise(key.start, "Duplicate constructor in the same class"); }

-         if (isGetSet) { this$1.raise(key.start, "Constructor can't have get/set modifier"); }

-         if (isGenerator) { this$1.raise(key.start, "Constructor can't be a generator"); }

-         if (isAsync) { this$1.raise(key.start, "Constructor can't be an async method"); }

-         method.kind = "constructor";

-         hadConstructor = true;

-       }

-     }

-     this$1.parseClassMethod(classBody, method, isGenerator, isAsync);

-     if (isGetSet) {

-       var paramCount = method.kind === "get" ? 0 : 1;

-       if (method.value.params.length !== paramCount) {

-         var start = method.value.start;

-         if (method.kind === "get")

-           { this$1.raiseRecoverable(start, "getter should have no params"); }

-         else

-           { this$1.raiseRecoverable(start, "setter should have exactly one param"); }

-       } else {

-         if (method.kind === "set" && method.value.params[0].type === "RestElement")

-           { this$1.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params"); }

-       }

-     }

-   }

-   node.body = this.finishNode(classBody, "ClassBody");

-   return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")

- };

- pp$1.parseClassMethod = function(classBody, method, isGenerator, isAsync) {

-   method.value = this.parseMethod(isGenerator, isAsync);

-   classBody.body.push(this.finishNode(method, "MethodDefinition"));

- };

- pp$1.parseClassId = function(node, isStatement) {

-   node.id = this.type === types.name ? this.parseIdent() : isStatement === true ? this.unexpected() : null;

- };

- pp$1.parseClassSuper = function(node) {

-   node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null;

- };

- // Parses module export declaration.

- pp$1.parseExport = function(node, exports) {

-   var this$1 = this;

-   this.next();

-   // export * from '...'

-   if (this.eat(types.star)) {

-     this.expectContextual("from");

-     node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();

-     this.semicolon();

-     return this.finishNode(node, "ExportAllDeclaration")

-   }

-   if (this.eat(types._default)) { // export default ...

-     this.checkExport(exports, "default", this.lastTokStart);

-     var isAsync;

-     if (this.type === types._function || (isAsync = this.isAsyncFunction())) {

-       var fNode = this.startNode();

-       this.next();

-       if (isAsync) { this.next(); }

-       node.declaration = this.parseFunction(fNode, "nullableID", false, isAsync);

-     } else if (this.type === types._class) {

-       var cNode = this.startNode();

-       node.declaration = this.parseClass(cNode, "nullableID");

-     } else {

-       node.declaration = this.parseMaybeAssign();

-       this.semicolon();

-     }

-     return this.finishNode(node, "ExportDefaultDeclaration")

-   }

-   // export var|const|let|function|class ...

-   if (this.shouldParseExportStatement()) {

-     node.declaration = this.parseStatement(true);

-     if (node.declaration.type === "VariableDeclaration")

-       { this.checkVariableExport(exports, node.declaration.declarations); }

-     else

-       { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); }

-     node.specifiers = [];

-     node.source = null;

-   } else { // export { x, y as z } [from '...']

-     node.declaration = null;

-     node.specifiers = this.parseExportSpecifiers(exports);

-     if (this.eatContextual("from")) {

-       node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();

-     } else {

-       // check for keywords used as local names

-       for (var i = 0, list = node.specifiers; i < list.length; i += 1) {

-         var spec = list[i];

-         this$1.checkUnreserved(spec.local);

-       }

-       node.source = null;

-     }

-     this.semicolon();

-   }

-   return this.finishNode(node, "ExportNamedDeclaration")

- };

- pp$1.checkExport = function(exports, name, pos) {

-   if (!exports) { return }

-   if (has(exports, name))

-     { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); }

-   exports[name] = true;

- };

- pp$1.checkPatternExport = function(exports, pat) {

-   var this$1 = this;

-   var type = pat.type;

-   if (type == "Identifier")

-     { this.checkExport(exports, pat.name, pat.start); }

-   else if (type == "ObjectPattern")

-     { for (var i = 0, list = pat.properties; i < list.length; i += 1)

-       {

-         var prop = list[i];

-         this$1.checkPatternExport(exports, prop.value);

-       } }

-   else if (type == "ArrayPattern")

-     { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) {

-       var elt = list$1[i$1];

-         if (elt) { this$1.checkPatternExport(exports, elt); }

-     } }

-   else if (type == "AssignmentPattern")

-     { this.checkPatternExport(exports, pat.left); }

-   else if (type == "ParenthesizedExpression")

-     { this.checkPatternExport(exports, pat.expression); }

- };

- pp$1.checkVariableExport = function(exports, decls) {

-   var this$1 = this;

-   if (!exports) { return }

-   for (var i = 0, list = decls; i < list.length; i += 1)

-     {

-     var decl = list[i];

-     this$1.checkPatternExport(exports, decl.id);

-   }

- };

- pp$1.shouldParseExportStatement = function() {

-   return this.type.keyword === "var" ||

-     this.type.keyword === "const" ||

-     this.type.keyword === "class" ||

-     this.type.keyword === "function" ||

-     this.isLet() ||

-     this.isAsyncFunction()

- };

- // Parses a comma-separated list of module exports.

- pp$1.parseExportSpecifiers = function(exports) {

-   var this$1 = this;

-   var nodes = [], first = true;

-   // export { x, y as z } [from '...']

-   this.expect(types.braceL);

-   while (!this.eat(types.braceR)) {

-     if (!first) {

-       this$1.expect(types.comma);

-       if (this$1.afterTrailingComma(types.braceR)) { break }

-     } else { first = false; }

-     var node = this$1.startNode();

-     node.local = this$1.parseIdent(true);

-     node.exported = this$1.eatContextual("as") ? this$1.parseIdent(true) : node.local;

-     this$1.checkExport(exports, node.exported.name, node.exported.start);

-     nodes.push(this$1.finishNode(node, "ExportSpecifier"));

-   }

-   return nodes

- };

- // Parses import declaration.

- pp$1.parseImport = function(node) {

-   this.next();

-   // import '...'

-   if (this.type === types.string) {

-     node.specifiers = empty;

-     node.source = this.parseExprAtom();

-   } else {

-     node.specifiers = this.parseImportSpecifiers();

-     this.expectContextual("from");

-     node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();

-   }

-   this.semicolon();

-   return this.finishNode(node, "ImportDeclaration")

- };

- // Parses a comma-separated list of module imports.

- pp$1.parseImportSpecifiers = function() {

-   var this$1 = this;

-   var nodes = [], first = true;

-   if (this.type === types.name) {

-     // import defaultObj, { x, y as z } from '...'

-     var node = this.startNode();

-     node.local = this.parseIdent();

-     this.checkLVal(node.local, "let");

-     nodes.push(this.finishNode(node, "ImportDefaultSpecifier"));

-     if (!this.eat(types.comma)) { return nodes }

-   }

-   if (this.type === types.star) {

-     var node$1 = this.startNode();

-     this.next();

-     this.expectContextual("as");

-     node$1.local = this.parseIdent();

-     this.checkLVal(node$1.local, "let");

-     nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier"));

-     return nodes

-   }

-   this.expect(types.braceL);

-   while (!this.eat(types.braceR)) {

-     if (!first) {

-       this$1.expect(types.comma);

-       if (this$1.afterTrailingComma(types.braceR)) { break }

-     } else { first = false; }

-     var node$2 = this$1.startNode();

-     node$2.imported = this$1.parseIdent(true);

-     if (this$1.eatContextual("as")) {

-       node$2.local = this$1.parseIdent();

-     } else {

-       this$1.checkUnreserved(node$2.imported);

-       node$2.local = node$2.imported;

-     }

-     this$1.checkLVal(node$2.local, "let");

-     nodes.push(this$1.finishNode(node$2, "ImportSpecifier"));

-   }

-   return nodes

- };

- var pp$2 = Parser.prototype;

- // Convert existing expression atom to assignable pattern

- // if possible.

- pp$2.toAssignable = function(node, isBinding) {

-   var this$1 = this;

-   if (this.options.ecmaVersion >= 6 && node) {

-     switch (node.type) {

-     case "Identifier":

-       if (this.inAsync && node.name === "await")

-         { this.raise(node.start, "Can not use 'await' as identifier inside an async function"); }

-       break

-     case "ObjectPattern":

-     case "ArrayPattern":

-       break

-     case "ObjectExpression":

-       node.type = "ObjectPattern";

-       for (var i = 0, list = node.properties; i < list.length; i += 1) {

-         var prop = list[i];

-       if (prop.kind !== "init") { this$1.raise(prop.key.start, "Object pattern can't contain getter or setter"); }

-         this$1.toAssignable(prop.value, isBinding);

-       }

-       break

-     case "ArrayExpression":

-       node.type = "ArrayPattern";

-       this.toAssignableList(node.elements, isBinding);

-       break

-     case "AssignmentExpression":

-       if (node.operator === "=") {

-         node.type = "AssignmentPattern";

-         delete node.operator;

-         this.toAssignable(node.left, isBinding);

-         // falls through to AssignmentPattern

-       } else {

-         this.raise(node.left.end, "Only '=' operator can be used for specifying default value.");

-         break

-       }

-     case "AssignmentPattern":

-       break

-     case "ParenthesizedExpression":

-       this.toAssignable(node.expression, isBinding);

-       break

-     case "MemberExpression":

-       if (!isBinding) { break }

-     default:

-       this.raise(node.start, "Assigning to rvalue");

-     }

-   }

-   return node

- };

- // Convert list of expression atoms to binding list.

- pp$2.toAssignableList = function(exprList, isBinding) {

-   var this$1 = this;

-   var end = exprList.length;

-   if (end) {

-     var last = exprList[end - 1];

-     if (last && last.type == "RestElement") {

-       --end;

-     } else if (last && last.type == "SpreadElement") {

-       last.type = "RestElement";

-       var arg = last.argument;

-       this.toAssignable(arg, isBinding);

-       --end;

-     }

-     if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")

-       { this.unexpected(last.argument.start); }

-   }

-   for (var i = 0; i < end; i++) {

-     var elt = exprList[i];

-     if (elt) { this$1.toAssignable(elt, isBinding); }

-   }

-   return exprList

- };

- // Parses spread element.

- pp$2.parseSpread = function(refDestructuringErrors) {

-   var node = this.startNode();

-   this.next();

-   node.argument = this.parseMaybeAssign(false, refDestructuringErrors);

-   return this.finishNode(node, "SpreadElement")

- };

- pp$2.parseRestBinding = function() {

-   var node = this.startNode();

-   this.next();

-   // RestElement inside of a function parameter must be an identifier

-   if (this.options.ecmaVersion === 6 && this.type !== types.name)

-     { this.unexpected(); }

-   node.argument = this.parseBindingAtom();

-   return this.finishNode(node, "RestElement")

- };

- // Parses lvalue (assignable) atom.

- pp$2.parseBindingAtom = function() {

-   if (this.options.ecmaVersion < 6) { return this.parseIdent() }

-   switch (this.type) {

-   case types.name:

-     return this.parseIdent()

-   case types.bracketL:

-     var node = this.startNode();

-     this.next();

-     node.elements = this.parseBindingList(types.bracketR, true, true);

-     return this.finishNode(node, "ArrayPattern")

-   case types.braceL:

-     return this.parseObj(true)

-   default:

-     this.unexpected();

-   }

- };

- pp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) {

-   var this$1 = this;

-   var elts = [], first = true;

-   while (!this.eat(close)) {

-     if (first) { first = false; }

-     else { this$1.expect(types.comma); }

-     if (allowEmpty && this$1.type === types.comma) {

-       elts.push(null);

-     } else if (allowTrailingComma && this$1.afterTrailingComma(close)) {

-       break

-     } else if (this$1.type === types.ellipsis) {

-       var rest = this$1.parseRestBinding();

-       this$1.parseBindingListItem(rest);

-       elts.push(rest);

-       if (this$1.type === types.comma) { this$1.raise(this$1.start, "Comma is not permitted after the rest element"); }

-       this$1.expect(close);

-       break

-     } else {

-       var elem = this$1.parseMaybeDefault(this$1.start, this$1.startLoc);

-       this$1.parseBindingListItem(elem);

-       elts.push(elem);

-     }

-   }

-   return elts

- };

- pp$2.parseBindingListItem = function(param) {

-   return param

- };

- // Parses assignment pattern around given atom if possible.

- pp$2.parseMaybeDefault = function(startPos, startLoc, left) {

-   left = left || this.parseBindingAtom();

-   if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left }

-   var node = this.startNodeAt(startPos, startLoc);

-   node.left = left;

-   node.right = this.parseMaybeAssign();

-   return this.finishNode(node, "AssignmentPattern")

- };

- // Verify that a node is an lval — something that can be assigned

- // to.

- // bindingType can be either:

- // 'var' indicating that the lval creates a 'var' binding

- // 'let' indicating that the lval creates a lexical ('let' or 'const') binding

- // 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references

- pp$2.checkLVal = function(expr, bindingType, checkClashes) {

-   var this$1 = this;

-   switch (expr.type) {

-   case "Identifier":

-     if (this.strict && this.reservedWordsStrictBind.test(expr.name))

-       { this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); }

-     if (checkClashes) {

-       if (has(checkClashes, expr.name))

-         { this.raiseRecoverable(expr.start, "Argument name clash"); }

-       checkClashes[expr.name] = true;

-     }

-     if (bindingType && bindingType !== "none") {

-       if (

-         bindingType === "var" && !this.canDeclareVarName(expr.name) ||

-         bindingType !== "var" && !this.canDeclareLexicalName(expr.name)

-       ) {

-         this.raiseRecoverable(expr.start, ("Identifier '" + (expr.name) + "' has already been declared"));

-       }

-       if (bindingType === "var") {

-         this.declareVarName(expr.name);

-       } else {

-         this.declareLexicalName(expr.name);

-       }

-     }

-     break

-   case "MemberExpression":

-     if (bindingType) { this.raiseRecoverable(expr.start, (bindingType ? "Binding" : "Assigning to") + " member expression"); }

-     break

-   case "ObjectPattern":

-     for (var i = 0, list = expr.properties; i < list.length; i += 1)

-       {

-     var prop = list[i];

-     this$1.checkLVal(prop.value, bindingType, checkClashes);

-   }

-     break

-   case "ArrayPattern":

-     for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) {

-       var elem = list$1[i$1];

-     if (elem) { this$1.checkLVal(elem, bindingType, checkClashes); }

-     }

-     break

-   case "AssignmentPattern":

-     this.checkLVal(expr.left, bindingType, checkClashes);

-     break

-   case "RestElement":

-     this.checkLVal(expr.argument, bindingType, checkClashes);

-     break

-   case "ParenthesizedExpression":

-     this.checkLVal(expr.expression, bindingType, checkClashes);

-     break

-   default:

-     this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue");

-   }

- };

- // A recursive descent parser operates by defining functions for all

- // syntactic elements, and recursively calling those, each function

- // advancing the input stream and returning an AST node. Precedence

- // of constructs (for example, the fact that `!x[1]` means `!(x[1])`

- // instead of `(!x)[1]` is handled by the fact that the parser

- // function that parses unary prefix operators is called first, and

- // in turn calls the function that parses `[]` subscripts — that

- // way, it'll receive the node for `x[1]` already parsed, and wraps

- // *that* in the unary operator node.

- //

- // Acorn uses an [operator precedence parser][opp] to handle binary

- // operator precedence, because it is much more compact than using

- // the technique outlined above, which uses different, nesting

- // functions to specify precedence, for all of the ten binary

- // precedence levels that JavaScript defines.

- //

- // [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser

- var pp$3 = Parser.prototype;

- // Check if property name clashes with already added.

- // Object/class getters and setters are not allowed to clash —

- // either with each other or with an init property — and in

- // strict mode, init properties are also not allowed to be repeated.

- pp$3.checkPropClash = function(prop, propHash) {

-   if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand))

-     { return }

-   var key = prop.key;

-   var name;

-   switch (key.type) {

-   case "Identifier": name = key.name; break

-   case "Literal": name = String(key.value); break

-   default: return

-   }

-   var kind = prop.kind;

-   if (this.options.ecmaVersion >= 6) {

-     if (name === "__proto__" && kind === "init") {

-       if (propHash.proto) { this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); }

-       propHash.proto = true;

-     }

-     return

-   }

-   name = "$" + name;

-   var other = propHash[name];

-   if (other) {

-     var redefinition;

-     if (kind === "init") {

-       redefinition = this.strict && other.init || other.get || other.set;

-     } else {

-       redefinition = other.init || other[kind];

-     }

-     if (redefinition)

-       { this.raiseRecoverable(key.start, "Redefinition of property"); }

-   } else {

-     other = propHash[name] = {

-       init: false,

-       get: false,

-       set: false

-     };

-   }

-   other[kind] = true;

- };

- // ### Expression parsing

- // These nest, from the most general expression type at the top to

- // 'atomic', nondivisible expression types at the bottom. Most of

- // the functions will simply let the function(s) below them parse,

- // and, *if* the syntactic construct they handle is present, wrap

- // the AST node that the inner parser gave them in another node.

- // Parse a full expression. The optional arguments are used to

- // forbid the `in` operator (in for loops initalization expressions)

- // and provide reference for storing '=' operator inside shorthand

- // property assignment in contexts where both object expression

- // and object pattern might appear (so it's possible to raise

- // delayed syntax error at correct position).

- pp$3.parseExpression = function(noIn, refDestructuringErrors) {

-   var this$1 = this;

-   var startPos = this.start, startLoc = this.startLoc;

-   var expr = this.parseMaybeAssign(noIn, refDestructuringErrors);

-   if (this.type === types.comma) {

-     var node = this.startNodeAt(startPos, startLoc);

-     node.expressions = [expr];

-     while (this.eat(types.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn, refDestructuringErrors)); }

-     return this.finishNode(node, "SequenceExpression")

-   }

-   return expr

- };

- // Parse an assignment expression. This includes applications of

- // operators like `+=`.

- pp$3.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) {

-   if (this.inGenerator && this.isContextual("yield")) { return this.parseYield() }

-   var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1;

-   if (refDestructuringErrors) {

-     oldParenAssign = refDestructuringErrors.parenthesizedAssign;

-     oldTrailingComma = refDestructuringErrors.trailingComma;

-     refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1;

-   } else {

-     refDestructuringErrors = new DestructuringErrors;

-     ownDestructuringErrors = true;

-   }

-   var startPos = this.start, startLoc = this.startLoc;

-   if (this.type == types.parenL || this.type == types.name)

-     { this.potentialArrowAt = this.start; }

-   var left = this.parseMaybeConditional(noIn, refDestructuringErrors);

-   if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); }

-   if (this.type.isAssign) {

-     this.checkPatternErrors(refDestructuringErrors, true);

-     if (!ownDestructuringErrors) { DestructuringErrors.call(refDestructuringErrors); }

-     var node = this.startNodeAt(startPos, startLoc);

-     node.operator = this.value;

-     node.left = this.type === types.eq ? this.toAssignable(left) : left;

-     refDestructuringErrors.shorthandAssign = -1; // reset because shorthand default was used correctly

-     this.checkLVal(left);

-     this.next();

-     node.right = this.parseMaybeAssign(noIn);

-     return this.finishNode(node, "AssignmentExpression")

-   } else {

-     if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); }

-   }

-   if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; }

-   if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; }

-   return left

- };

- // Parse a ternary conditional (`?:`) operator.

- pp$3.parseMaybeConditional = function(noIn, refDestructuringErrors) {

-   var startPos = this.start, startLoc = this.startLoc;

-   var expr = this.parseExprOps(noIn, refDestructuringErrors);

-   if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }

-   if (this.eat(types.question)) {

-     var node = this.startNodeAt(startPos, startLoc);

-     node.test = expr;

-     node.consequent = this.parseMaybeAssign();

-     this.expect(types.colon);

-     node.alternate = this.parseMaybeAssign(noIn);

-     return this.finishNode(node, "ConditionalExpression")

-   }

-   return expr

- };

- // Start the precedence parser.

- pp$3.parseExprOps = function(noIn, refDestructuringErrors) {

-   var startPos = this.start, startLoc = this.startLoc;

-   var expr = this.parseMaybeUnary(refDestructuringErrors, false);

-   if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }

-   return expr.start == startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn)

- };

- // Parse binary operators with the operator precedence parsing

- // algorithm. `left` is the left-hand side of the operator.

- // `minPrec` provides context that allows the function to stop and

- // defer further parser to one of its callers when it encounters an

- // operator that has a lower precedence than the set it is parsing.

- pp$3.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {

-   var prec = this.type.binop;

-   if (prec != null && (!noIn || this.type !== types._in)) {

-     if (prec > minPrec) {

-       var logical = this.type === types.logicalOR || this.type === types.logicalAND;

-       var op = this.value;

-       this.next();

-       var startPos = this.start, startLoc = this.startLoc;

-       var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn);

-       var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical);

-       return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn)

-     }

-   }

-   return left

- };

- pp$3.buildBinary = function(startPos, startLoc, left, right, op, logical) {

-   var node = this.startNodeAt(startPos, startLoc);

-   node.left = left;

-   node.operator = op;

-   node.right = right;

-   return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression")

- };

- // Parse unary operators, both prefix and postfix.

- pp$3.parseMaybeUnary = function(refDestructuringErrors, sawUnary) {

-   var this$1 = this;

-   var startPos = this.start, startLoc = this.startLoc, expr;

-   if (this.inAsync && this.isContextual("await")) {

-     expr = this.parseAwait(refDestructuringErrors);

-     sawUnary = true;

-   } else if (this.type.prefix) {

-     var node = this.startNode(), update = this.type === types.incDec;

-     node.operator = this.value;

-     node.prefix = true;

-     this.next();

-     node.argument = this.parseMaybeUnary(null, true);

-     this.checkExpressionErrors(refDestructuringErrors, true);

-     if (update) { this.checkLVal(node.argument); }

-     else if (this.strict && node.operator === "delete" &&

-              node.argument.type === "Identifier")

-       { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); }

-     else { sawUnary = true; }

-     expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");

-   } else {

-     expr = this.parseExprSubscripts(refDestructuringErrors);

-     if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }

-     while (this.type.postfix && !this.canInsertSemicolon()) {

-       var node$1 = this$1.startNodeAt(startPos, startLoc);

-       node$1.operator = this$1.value;

-       node$1.prefix = false;

-       node$1.argument = expr;

-       this$1.checkLVal(expr);

-       this$1.next();

-       expr = this$1.finishNode(node$1, "UpdateExpression");

-     }

-   }

-   if (!sawUnary && this.eat(types.starstar))

-     { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false) }

-   else

-     { return expr }

- };

- // Parse call, dot, and `[]`-subscript expressions.

- pp$3.parseExprSubscripts = function(refDestructuringErrors) {

-   var startPos = this.start, startLoc = this.startLoc;

-   var expr = this.parseExprAtom(refDestructuringErrors);

-   var skipArrowSubscripts = expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")";

-   if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) { return expr }

-   var result = this.parseSubscripts(expr, startPos, startLoc);

-   if (refDestructuringErrors && result.type === "MemberExpression") {

-     if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; }

-     if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; }

-   }

-   return result

- };

- pp$3.parseSubscripts = function(base, startPos, startLoc, noCalls) {

-   var this$1 = this;

-   var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" &&

-       this.lastTokEnd == base.end && !this.canInsertSemicolon();

-   for (var computed = (void 0);;) {

-     if ((computed = this$1.eat(types.bracketL)) || this$1.eat(types.dot)) {

-       var node = this$1.startNodeAt(startPos, startLoc);

-       node.object = base;

-       node.property = computed ? this$1.parseExpression() : this$1.parseIdent(true);

-       node.computed = !!computed;

-       if (computed) { this$1.expect(types.bracketR); }

-       base = this$1.finishNode(node, "MemberExpression");

-     } else if (!noCalls && this$1.eat(types.parenL)) {

-       var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this$1.yieldPos, oldAwaitPos = this$1.awaitPos;

-       this$1.yieldPos = 0;

-       this$1.awaitPos = 0;

-       var exprList = this$1.parseExprList(types.parenR, this$1.options.ecmaVersion >= 8, false, refDestructuringErrors);

-       if (maybeAsyncArrow && !this$1.canInsertSemicolon() && this$1.eat(types.arrow)) {

-         this$1.checkPatternErrors(refDestructuringErrors, false);

-         this$1.checkYieldAwaitInDefaultParams();

-         this$1.yieldPos = oldYieldPos;

-         this$1.awaitPos = oldAwaitPos;

-         return this$1.parseArrowExpression(this$1.startNodeAt(startPos, startLoc), exprList, true)

-       }

-       this$1.checkExpressionErrors(refDestructuringErrors, true);

-       this$1.yieldPos = oldYieldPos || this$1.yieldPos;

-       this$1.awaitPos = oldAwaitPos || this$1.awaitPos;

-       var node$1 = this$1.startNodeAt(startPos, startLoc);

-       node$1.callee = base;

-       node$1.arguments = exprList;

-       base = this$1.finishNode(node$1, "CallExpression");

-     } else if (this$1.type === types.backQuote) {

-       var node$2 = this$1.startNodeAt(startPos, startLoc);

-       node$2.tag = base;

-       node$2.quasi = this$1.parseTemplate({isTagged: true});

-       base = this$1.finishNode(node$2, "TaggedTemplateExpression");

-     } else {

-       return base

-     }

-   }

- };

- // Parse an atomic expression — either a single token that is an

- // expression, an expression started by a keyword like `function` or

- // `new`, or an expression wrapped in punctuation like `()`, `[]`,

- // or `{}`.

- pp$3.parseExprAtom = function(refDestructuringErrors) {

-   var node, canBeArrow = this.potentialArrowAt == this.start;

-   switch (this.type) {

-   case types._super:

-     if (!this.inFunction)

-       { this.raise(this.start, "'super' outside of function or class"); }

-   case types._this:

-     var type = this.type === types._this ? "ThisExpression" : "Super";

-     node = this.startNode();

-     this.next();

-     return this.finishNode(node, type)

-   case types.name:

-     var startPos = this.start, startLoc = this.startLoc;

-     var id = this.parseIdent(this.type !== types.name);

-     if (this.options.ecmaVersion >= 8 && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function))

-       { return this.parseFunction(this.startNodeAt(startPos, startLoc), false, false, true) }

-     if (canBeArrow && !this.canInsertSemicolon()) {

-       if (this.eat(types.arrow))

-         { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false) }

-       if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name) {

-         id = this.parseIdent();

-         if (this.canInsertSemicolon() || !this.eat(types.arrow))

-           { this.unexpected(); }

-         return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true)

-       }

-     }

-     return id

-   case types.regexp:

-     var value = this.value;

-     node = this.parseLiteral(value.value);

-     node.regex = {pattern: value.pattern, flags: value.flags};

-     return node

-   case types.num: case types.string:

-     return this.parseLiteral(this.value)

-   case types._null: case types._true: case types._false:

-     node = this.startNode();

-     node.value = this.type === types._null ? null : this.type === types._true;

-     node.raw = this.type.keyword;

-     this.next();

-     return this.finishNode(node, "Literal")

-   case types.parenL:

-     var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow);

-     if (refDestructuringErrors) {

-       if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr))

-         { refDestructuringErrors.parenthesizedAssign = start; }

-       if (refDestructuringErrors.parenthesizedBind < 0)

-         { refDestructuringErrors.parenthesizedBind = start; }

-     }

-     return expr

-   case types.bracketL:

-     node = this.startNode();

-     this.next();

-     node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors);

-     return this.finishNode(node, "ArrayExpression")

-   case types.braceL:

-     return this.parseObj(false, refDestructuringErrors)

-   case types._function:

-     node = this.startNode();

-     this.next();

-     return this.parseFunction(node, false)

-   case types._class:

-     return this.parseClass(this.startNode(), false)

-   case types._new:

-     return this.parseNew()

-   case types.backQuote:

-     return this.parseTemplate()

-   default:

-     this.unexpected();

-   }

- };

- pp$3.parseLiteral = function(value) {

-   var node = this.startNode();

-   node.value = value;

-   node.raw = this.input.slice(this.start, this.end);

-   this.next();

-   return this.finishNode(node, "Literal")

- };

- pp$3.parseParenExpression = function() {

-   this.expect(types.parenL);

-   var val = this.parseExpression();

-   this.expect(types.parenR);

-   return val

- };

- pp$3.parseParenAndDistinguishExpression = function(canBeArrow) {

-   var this$1 = this;

-   var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8;

-   if (this.options.ecmaVersion >= 6) {

-     this.next();

-     var innerStartPos = this.start, innerStartLoc = this.startLoc;

-     var exprList = [], first = true, lastIsComma = false;

-     var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart, innerParenStart;

-     this.yieldPos = 0;

-     this.awaitPos = 0;

-     while (this.type !== types.parenR) {

-       first ? first = false : this$1.expect(types.comma);

-       if (allowTrailingComma && this$1.afterTrailingComma(types.parenR, true)) {

-         lastIsComma = true;

-         break

-       } else if (this$1.type === types.ellipsis) {

-         spreadStart = this$1.start;

-         exprList.push(this$1.parseParenItem(this$1.parseRestBinding()));

-         if (this$1.type === types.comma) { this$1.raise(this$1.start, "Comma is not permitted after the rest element"); }

-         break

-       } else {

-         if (this$1.type === types.parenL && !innerParenStart) {

-           innerParenStart = this$1.start;

-         }

-         exprList.push(this$1.parseMaybeAssign(false, refDestructuringErrors, this$1.parseParenItem));

-       }

-     }

-     var innerEndPos = this.start, innerEndLoc = this.startLoc;

-     this.expect(types.parenR);

-     if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) {

-       this.checkPatternErrors(refDestructuringErrors, false);

-       this.checkYieldAwaitInDefaultParams();

-       if (innerParenStart) { this.unexpected(innerParenStart); }

-       this.yieldPos = oldYieldPos;

-       this.awaitPos = oldAwaitPos;

-       return this.parseParenArrowList(startPos, startLoc, exprList)

-     }

-     if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); }

-     if (spreadStart) { this.unexpected(spreadStart); }

-     this.checkExpressionErrors(refDestructuringErrors, true);

-     this.yieldPos = oldYieldPos || this.yieldPos;

-     this.awaitPos = oldAwaitPos || this.awaitPos;

-     if (exprList.length > 1) {

-       val = this.startNodeAt(innerStartPos, innerStartLoc);

-       val.expressions = exprList;

-       this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc);

-     } else {

-       val = exprList[0];

-     }

-   } else {

-     val = this.parseParenExpression();

-   }

-   if (this.options.preserveParens) {

-     var par = this.startNodeAt(startPos, startLoc);

-     par.expression = val;

-     return this.finishNode(par, "ParenthesizedExpression")

-   } else {

-     return val

-   }

- };

- pp$3.parseParenItem = function(item) {

-   return item

- };

- pp$3.parseParenArrowList = function(startPos, startLoc, exprList) {

-   return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList)

- };

- // New's precedence is slightly tricky. It must allow its argument to

- // be a `[]` or dot subscript expression, but not a call — at least,

- // not without wrapping it in parentheses. Thus, it uses the noCalls

- // argument to parseSubscripts to prevent it from consuming the

- // argument list.

- var empty$1 = [];

- pp$3.parseNew = function() {

-   var node = this.startNode();

-   var meta = this.parseIdent(true);

-   if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) {

-     node.meta = meta;

-     node.property = this.parseIdent(true);

-     if (node.property.name !== "target")

-       { this.raiseRecoverable(node.property.start, "The only valid meta property for new is new.target"); }

-     if (!this.inFunction)

-       { this.raiseRecoverable(node.start, "new.target can only be used in functions"); }

-     return this.finishNode(node, "MetaProperty")

-   }

-   var startPos = this.start, startLoc = this.startLoc;

-   node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true);

-   if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); }

-   else { node.arguments = empty$1; }

-   return this.finishNode(node, "NewExpression")

- };

- // Parse template expression.

- pp$3.parseTemplateElement = function(ref) {

-   var isTagged = ref.isTagged;

-   var elem = this.startNode();

-   if (this.type === types.invalidTemplate) {

-     if (!isTagged) {

-       this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal");

-     }

-     elem.value = {

-       raw: this.value,

-       cooked: null

-     };

-   } else {

-     elem.value = {

-       raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"),

-       cooked: this.value

-     };

-   }

-   this.next();

-   elem.tail = this.type === types.backQuote;

-   return this.finishNode(elem, "TemplateElement")

- };

- pp$3.parseTemplate = function(ref) {

-   var this$1 = this;

-   if ( ref === void 0 ) ref = {};

-   var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false;

-   var node = this.startNode();

-   this.next();

-   node.expressions = [];

-   var curElt = this.parseTemplateElement({isTagged: isTagged});

-   node.quasis = [curElt];

-   while (!curElt.tail) {

-     this$1.expect(types.dollarBraceL);

-     node.expressions.push(this$1.parseExpression());

-     this$1.expect(types.braceR);

-     node.quasis.push(curElt = this$1.parseTemplateElement({isTagged: isTagged}));

-   }

-   this.next();

-   return this.finishNode(node, "TemplateLiteral")

- };

- // Parse an object literal or binding pattern.

- pp$3.isAsyncProp = function(prop) {

-   return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" &&

-     (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword) &&

-     !lineBreak.test(this.input.slice(this.lastTokEnd, this.start))

- };

- pp$3.parseObj = function(isPattern, refDestructuringErrors) {

-   var this$1 = this;

-   var node = this.startNode(), first = true, propHash = {};

-   node.properties = [];

-   this.next();

-   while (!this.eat(types.braceR)) {

-     if (!first) {

-       this$1.expect(types.comma);

-       if (this$1.afterTrailingComma(types.braceR)) { break }

-     } else { first = false; }

-     var prop = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0), startPos = (void 0), startLoc = (void 0);

-     if (this$1.options.ecmaVersion >= 6) {

-       prop.method = false;

-       prop.shorthand = false;

-       if (isPattern || refDestructuringErrors) {

-         startPos = this$1.start;

-         startLoc = this$1.startLoc;

-       }

-       if (!isPattern)

-         { isGenerator = this$1.eat(types.star); }

-     }

-     this$1.parsePropertyName(prop);

-     if (!isPattern && this$1.options.ecmaVersion >= 8 && !isGenerator && this$1.isAsyncProp(prop)) {

-       isAsync = true;

-       this$1.parsePropertyName(prop, refDestructuringErrors);

-     } else {

-       isAsync = false;

-     }

-     this$1.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors);

-     this$1.checkPropClash(prop, propHash);

-     node.properties.push(this$1.finishNode(prop, "Property"));

-   }

-   return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression")

- };

- pp$3.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors) {

-   if ((isGenerator || isAsync) && this.type === types.colon)

-     { this.unexpected(); }

-   if (this.eat(types.colon)) {

-     prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors);

-     prop.kind = "init";

-   } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) {

-     if (isPattern) { this.unexpected(); }

-     prop.kind = "init";

-     prop.method = true;

-     prop.value = this.parseMethod(isGenerator, isAsync);

-   } else if (this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" &&

-              (prop.key.name === "get" || prop.key.name === "set") &&

-              (this.type != types.comma && this.type != types.braceR)) {

-     if (isGenerator || isAsync || isPattern) { this.unexpected(); }

-     prop.kind = prop.key.name;

-     this.parsePropertyName(prop);

-     prop.value = this.parseMethod(false);

-     var paramCount = prop.kind === "get" ? 0 : 1;

-     if (prop.value.params.length !== paramCount) {

-       var start = prop.value.start;

-       if (prop.kind === "get")

-         { this.raiseRecoverable(start, "getter should have no params"); }

-       else

-         { this.raiseRecoverable(start, "setter should have exactly one param"); }

-     } else {

-       if (prop.kind === "set" && prop.value.params[0].type === "RestElement")

-         { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); }

-     }

-   } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") {

-     this.checkUnreserved(prop.key);

-     prop.kind = "init";

-     if (isPattern) {

-       prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);

-     } else if (this.type === types.eq && refDestructuringErrors) {

-       if (refDestructuringErrors.shorthandAssign < 0)

-         { refDestructuringErrors.shorthandAssign = this.start; }

-       prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);

-     } else {

-       prop.value = prop.key;

-     }

-     prop.shorthand = true;

-   } else { this.unexpected(); }

- };

- pp$3.parsePropertyName = function(prop) {

-   if (this.options.ecmaVersion >= 6) {

-     if (this.eat(types.bracketL)) {

-       prop.computed = true;

-       prop.key = this.parseMaybeAssign();

-       this.expect(types.bracketR);

-       return prop.key

-     } else {

-       prop.computed = false;

-     }

-   }

-   return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(true)

- };

- // Initialize empty function node.

- pp$3.initFunction = function(node) {

-   node.id = null;

-   if (this.options.ecmaVersion >= 6) {

-     node.generator = false;

-     node.expression = false;

-   }

-   if (this.options.ecmaVersion >= 8)

-     { node.async = false; }

- };

- // Parse object or class method.

- pp$3.parseMethod = function(isGenerator, isAsync) {

-   var node = this.startNode(), oldInGen = this.inGenerator, oldInAsync = this.inAsync,

-       oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 6)

-     { node.generator = isGenerator; }

-   if (this.options.ecmaVersion >= 8)

-     { node.async = !!isAsync; }

-   this.inGenerator = node.generator;

-   this.inAsync = node.async;

-   this.yieldPos = 0;

-   this.awaitPos = 0;

-   this.inFunction = true;

-   this.enterFunctionScope();

-   this.expect(types.parenL);

-   node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);

-   this.checkYieldAwaitInDefaultParams();

-   this.parseFunctionBody(node, false);

-   this.inGenerator = oldInGen;

-   this.inAsync = oldInAsync;

-   this.yieldPos = oldYieldPos;

-   this.awaitPos = oldAwaitPos;

-   this.inFunction = oldInFunc;

-   return this.finishNode(node, "FunctionExpression")

- };

- // Parse arrow function expression with given parameters.

- pp$3.parseArrowExpression = function(node, params, isAsync) {

-   var oldInGen = this.inGenerator, oldInAsync = this.inAsync,

-       oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;

-   this.enterFunctionScope();

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 8)

-     { node.async = !!isAsync; }

-   this.inGenerator = false;

-   this.inAsync = node.async;

-   this.yieldPos = 0;

-   this.awaitPos = 0;

-   this.inFunction = true;

-   node.params = this.toAssignableList(params, true);

-   this.parseFunctionBody(node, true);

-   this.inGenerator = oldInGen;

-   this.inAsync = oldInAsync;

-   this.yieldPos = oldYieldPos;

-   this.awaitPos = oldAwaitPos;

-   this.inFunction = oldInFunc;

-   return this.finishNode(node, "ArrowFunctionExpression")

- };

- // Parse function body and check parameters.

- pp$3.parseFunctionBody = function(node, isArrowFunction) {

-   var isExpression = isArrowFunction && this.type !== types.braceL;

-   var oldStrict = this.strict, useStrict = false;

-   if (isExpression) {

-     node.body = this.parseMaybeAssign();

-     node.expression = true;

-     this.checkParams(node, false);

-   } else {

-     var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params);

-     if (!oldStrict || nonSimple) {

-       useStrict = this.strictDirective(this.end);

-       // If this is a strict mode function, verify that argument names

-       // are not repeated, and it does not try to bind the words `eval`

-       // or `arguments`.

-       if (useStrict && nonSimple)

-         { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); }

-     }

-     // Start a new scope with regard to labels and the `inFunction`

-     // flag (restore them to their old value afterwards).

-     var oldLabels = this.labels;

-     this.labels = [];

-     if (useStrict) { this.strict = true; }

-     // Add the params to varDeclaredNames to ensure that an error is thrown

-     // if a let/const declaration in the function clashes with one of the params.

-     this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && this.isSimpleParamList(node.params));

-     node.body = this.parseBlock(false);

-     node.expression = false;

-     this.labels = oldLabels;

-   }

-   this.exitFunctionScope();

-   if (this.strict && node.id) {

-     // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval'

-     this.checkLVal(node.id, "none");

-   }

-   this.strict = oldStrict;

- };

- pp$3.isSimpleParamList = function(params) {

-   for (var i = 0, list = params; i < list.length; i += 1)

-     {

-     var param = list[i];

-     if (param.type !== "Identifier") { return false

-   } }

-   return true

- };

- // Checks function params for various disallowed patterns such as using "eval"

- // or "arguments" and duplicate parameters.

- pp$3.checkParams = function(node, allowDuplicates) {

-   var this$1 = this;

-   var nameHash = {};

-   for (var i = 0, list = node.params; i < list.length; i += 1)

-     {

-     var param = list[i];

-     this$1.checkLVal(param, "var", allowDuplicates ? null : nameHash);

-   }

- };

- // Parses a comma-separated list of expressions, and returns them as

- // an array. `close` is the token type that ends the list, and

- // `allowEmpty` can be turned on to allow subsequent commas with

- // nothing in between them to be parsed as `null` (which is needed

- // for array literals).

- pp$3.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) {

-   var this$1 = this;

-   var elts = [], first = true;

-   while (!this.eat(close)) {

-     if (!first) {

-       this$1.expect(types.comma);

-       if (allowTrailingComma && this$1.afterTrailingComma(close)) { break }

-     } else { first = false; }

-     var elt = (void 0);

-     if (allowEmpty && this$1.type === types.comma)

-       { elt = null; }

-     else if (this$1.type === types.ellipsis) {

-       elt = this$1.parseSpread(refDestructuringErrors);

-       if (refDestructuringErrors && this$1.type === types.comma && refDestructuringErrors.trailingComma < 0)

-         { refDestructuringErrors.trailingComma = this$1.start; }

-     } else {

-       elt = this$1.parseMaybeAssign(false, refDestructuringErrors);

-     }

-     elts.push(elt);

-   }

-   return elts

- };

- // Parse the next token as an identifier. If `liberal` is true (used

- // when parsing properties), it will also convert keywords into

- // identifiers.

- pp$3.checkUnreserved = function(ref) {

-   var start = ref.start;

-   var end = ref.end;

-   var name = ref.name;

-   if (this.inGenerator && name === "yield")

-     { this.raiseRecoverable(start, "Can not use 'yield' as identifier inside a generator"); }

-   if (this.inAsync && name === "await")

-     { this.raiseRecoverable(start, "Can not use 'await' as identifier inside an async function"); }

-   if (this.isKeyword(name))

-     { this.raise(start, ("Unexpected keyword '" + name + "'")); }

-   if (this.options.ecmaVersion < 6 &&

-     this.input.slice(start, end).indexOf("\\") != -1) { return }

-   var re = this.strict ? this.reservedWordsStrict : this.reservedWords;

-   if (re.test(name))

-     { this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); }

- };

- pp$3.parseIdent = function(liberal, isBinding) {

-   var node = this.startNode();

-   if (liberal && this.options.allowReserved == "never") { liberal = false; }

-   if (this.type === types.name) {

-     node.name = this.value;

-   } else if (this.type.keyword) {

-     node.name = this.type.keyword;

-   } else {

-     this.unexpected();

-   }

-   this.next();

-   this.finishNode(node, "Identifier");

-   if (!liberal) { this.checkUnreserved(node); }

-   return node

- };

- // Parses yield expression inside generator.

- pp$3.parseYield = function() {

-   if (!this.yieldPos) { this.yieldPos = this.start; }

-   var node = this.startNode();

-   this.next();

-   if (this.type == types.semi || this.canInsertSemicolon() || (this.type != types.star && !this.type.startsExpr)) {

-     node.delegate = false;

-     node.argument = null;

-   } else {

-     node.delegate = this.eat(types.star);

-     node.argument = this.parseMaybeAssign();

-   }

-   return this.finishNode(node, "YieldExpression")

- };

- pp$3.parseAwait = function() {

-   if (!this.awaitPos) { this.awaitPos = this.start; }

-   var node = this.startNode();

-   this.next();

-   node.argument = this.parseMaybeUnary(null, true);

-   return this.finishNode(node, "AwaitExpression")

- };

- var pp$4 = Parser.prototype;

- // This function is used to raise exceptions on parse errors. It

- // takes an offset integer (into the current `input`) to indicate

- // the location of the error, attaches the position to the end

- // of the error message, and then raises a `SyntaxError` with that

- // message.

- pp$4.raise = function(pos, message) {

-   var loc = getLineInfo(this.input, pos);

-   message += " (" + loc.line + ":" + loc.column + ")";

-   var err = new SyntaxError(message);

-   err.pos = pos; err.loc = loc; err.raisedAt = this.pos;

-   throw err

- };

- pp$4.raiseRecoverable = pp$4.raise;

- pp$4.curPosition = function() {

-   if (this.options.locations) {

-     return new Position(this.curLine, this.pos - this.lineStart)

-   }

- };

- var pp$5 = Parser.prototype;

- // Object.assign polyfill

- var assign = Object.assign || function(target) {

-   var sources = [], len = arguments.length - 1;

-   while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];

-   for (var i = 0, list = sources; i < list.length; i += 1) {

-     var source = list[i];

-     for (var key in source) {

-       if (has(source, key)) {

-         target[key] = source[key];

-       }

-     }

-   }

-   return target

- };

- // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names.

- pp$5.enterFunctionScope = function() {

-   // var: a hash of var-declared names in the current lexical scope

-   // lexical: a hash of lexically-declared names in the current lexical scope

-   // childVar: a hash of var-declared names in all child lexical scopes of the current lexical scope (within the current function scope)

-   // parentLexical: a hash of lexically-declared names in all parent lexical scopes of the current lexical scope (within the current function scope)

-   this.scopeStack.push({var: {}, lexical: {}, childVar: {}, parentLexical: {}});

- };

- pp$5.exitFunctionScope = function() {

-   this.scopeStack.pop();

- };

- pp$5.enterLexicalScope = function() {

-   var parentScope = this.scopeStack[this.scopeStack.length - 1];

-   var childScope = {var: {}, lexical: {}, childVar: {}, parentLexical: {}};

-   this.scopeStack.push(childScope);

-   assign(childScope.parentLexical, parentScope.lexical, parentScope.parentLexical);

- };

- pp$5.exitLexicalScope = function() {

-   var childScope = this.scopeStack.pop();

-   var parentScope = this.scopeStack[this.scopeStack.length - 1];

-   assign(parentScope.childVar, childScope.var, childScope.childVar);

- };

- /**

-  * A name can be declared with `var` if there are no variables with the same name declared with `let`/`const`

-  * in the current lexical scope or any of the parent lexical scopes in this function.

-  */

- pp$5.canDeclareVarName = function(name) {

-   var currentScope = this.scopeStack[this.scopeStack.length - 1];

-   return !has(currentScope.lexical, name) && !has(currentScope.parentLexical, name)

- };

- /**

-  * A name can be declared with `let`/`const` if there are no variables with the same name declared with `let`/`const`

-  * in the current scope, and there are no variables with the same name declared with `var` in the current scope or in

-  * any child lexical scopes in this function.

-  */

- pp$5.canDeclareLexicalName = function(name) {

-   var currentScope = this.scopeStack[this.scopeStack.length - 1];

-   return !has(currentScope.lexical, name) && !has(currentScope.var, name) && !has(currentScope.childVar, name)

- };

- pp$5.declareVarName = function(name) {

-   this.scopeStack[this.scopeStack.length - 1].var[name] = true;

- };

- pp$5.declareLexicalName = function(name) {

-   this.scopeStack[this.scopeStack.length - 1].lexical[name] = true;

- };

- var Node = function Node(parser, pos, loc) {

-   this.type = "";

-   this.start = pos;

-   this.end = 0;

-   if (parser.options.locations)

-     { this.loc = new SourceLocation(parser, loc); }

-   if (parser.options.directSourceFile)

-     { this.sourceFile = parser.options.directSourceFile; }

-   if (parser.options.ranges)

-     { this.range = [pos, 0]; }

- };

- // Start an AST node, attaching a start offset.

- var pp$6 = Parser.prototype;

- pp$6.startNode = function() {

-   return new Node(this, this.start, this.startLoc)

- };

- pp$6.startNodeAt = function(pos, loc) {

-   return new Node(this, pos, loc)

- };

- // Finish an AST node, adding `type` and `end` properties.

- function finishNodeAt(node, type, pos, loc) {

-   node.type = type;

-   node.end = pos;

-   if (this.options.locations)

-     { node.loc.end = loc; }

-   if (this.options.ranges)

-     { node.range[1] = pos; }

-   return node

- }

- pp$6.finishNode = function(node, type) {

-   return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)

- };

- // Finish node at given position

- pp$6.finishNodeAt = function(node, type, pos, loc) {

-   return finishNodeAt.call(this, node, type, pos, loc)

- };

- // The algorithm used to determine whether a regexp can appear at a

- // given point in the program is loosely based on sweet.js' approach.

- // See https://github.com/mozilla/sweet.js/wiki/design

- var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) {

-   this.token = token;

-   this.isExpr = !!isExpr;

-   this.preserveSpace = !!preserveSpace;

-   this.override = override;

-   this.generator = !!generator;

- };

- var types$1 = {

-   b_stat: new TokContext("{", false),

-   b_expr: new TokContext("{", true),

-   b_tmpl: new TokContext("${", false),

-   p_stat: new TokContext("(", false),

-   p_expr: new TokContext("(", true),

-   q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }),

-   f_stat: new TokContext("function", false),

-   f_expr: new TokContext("function", true),

-   f_expr_gen: new TokContext("function", true, false, null, true),

-   f_gen: new TokContext("function", false, false, null, true)

- };

- var pp$7 = Parser.prototype;

- pp$7.initialContext = function() {

-   return [types$1.b_stat]

- };

- pp$7.braceIsBlock = function(prevType) {

-   var parent = this.curContext();

-   if (parent === types$1.f_expr || parent === types$1.f_stat)

-     { return true }

-   if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr))

-     { return !parent.isExpr }

-   // The check for `tt.name && exprAllowed` detects whether we are

-   // after a `yield` or `of` construct. See the `updateContext` for

-   // `tt.name`.

-   if (prevType === types._return || prevType == types.name && this.exprAllowed)

-     { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }

-   if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType == types.arrow)

-     { return true }

-   if (prevType == types.braceL)

-     { return parent === types$1.b_stat }

-   if (prevType == types._var || prevType == types.name)

-     { return false }

-   return !this.exprAllowed

- };

- pp$7.inGeneratorContext = function() {

-   var this$1 = this;

-   for (var i = this.context.length - 1; i >= 1; i--) {

-     var context = this$1.context[i];

-     if (context.token === "function")

-       { return context.generator }

-   }

-   return false

- };

- pp$7.updateContext = function(prevType) {

-   var update, type = this.type;

-   if (type.keyword && prevType == types.dot)

-     { this.exprAllowed = false; }

-   else if (update = type.updateContext)

-     { update.call(this, prevType); }

-   else

-     { this.exprAllowed = type.beforeExpr; }

- };

- // Token-specific context update code

- types.parenR.updateContext = types.braceR.updateContext = function() {

-   if (this.context.length == 1) {

-     this.exprAllowed = true;

-     return

-   }

-   var out = this.context.pop();

-   if (out === types$1.b_stat && this.curContext().token === "function") {

-     out = this.context.pop();

-   }

-   this.exprAllowed = !out.isExpr;

- };

- types.braceL.updateContext = function(prevType) {

-   this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr);

-   this.exprAllowed = true;

- };

- types.dollarBraceL.updateContext = function() {

-   this.context.push(types$1.b_tmpl);

-   this.exprAllowed = true;

- };

- types.parenL.updateContext = function(prevType) {

-   var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while;

-   this.context.push(statementParens ? types$1.p_stat : types$1.p_expr);

-   this.exprAllowed = true;

- };

- types.incDec.updateContext = function() {

-   // tokExprAllowed stays unchanged

- };

- types._function.updateContext = types._class.updateContext = function(prevType) {

-   if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else &&

-       !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat))

-     { this.context.push(types$1.f_expr); }

-   else

-     { this.context.push(types$1.f_stat); }

-   this.exprAllowed = false;

- };

- types.backQuote.updateContext = function() {

-   if (this.curContext() === types$1.q_tmpl)

-     { this.context.pop(); }

-   else

-     { this.context.push(types$1.q_tmpl); }

-   this.exprAllowed = false;

- };

- types.star.updateContext = function(prevType) {

-   if (prevType == types._function) {

-     var index = this.context.length - 1;

-     if (this.context[index] === types$1.f_expr)

-       { this.context[index] = types$1.f_expr_gen; }

-     else

-       { this.context[index] = types$1.f_gen; }

-   }

-   this.exprAllowed = true;

- };

- types.name.updateContext = function(prevType) {

-   var allowed = false;

-   if (this.options.ecmaVersion >= 6) {

-     if (this.value == "of" && !this.exprAllowed ||

-         this.value == "yield" && this.inGeneratorContext())

-       { allowed = true; }

-   }

-   this.exprAllowed = allowed;

- };

- // Object type used to represent tokens. Note that normally, tokens

- // simply exist as properties on the parser object. This is only

- // used for the onToken callback and the external tokenizer.

- var Token = function Token(p) {

-   this.type = p.type;

-   this.value = p.value;

-   this.start = p.start;

-   this.end = p.end;

-   if (p.options.locations)

-     { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); }

-   if (p.options.ranges)

-     { this.range = [p.start, p.end]; }

- };

- // ## Tokenizer

- var pp$8 = Parser.prototype;

- // Are we running under Rhino?

- var isRhino = typeof Packages == "object" && Object.prototype.toString.call(Packages) == "[object JavaPackage]";

- // Move to the next token

- pp$8.next = function() {

-   if (this.options.onToken)

-     { this.options.onToken(new Token(this)); }

-   this.lastTokEnd = this.end;

-   this.lastTokStart = this.start;

-   this.lastTokEndLoc = this.endLoc;

-   this.lastTokStartLoc = this.startLoc;

-   this.nextToken();

- };

- pp$8.getToken = function() {

-   this.next();

-   return new Token(this)

- };

- // If we're in an ES6 environment, make parsers iterable

- if (typeof Symbol !== "undefined")

-   { pp$8[Symbol.iterator] = function() {

-     var this$1 = this;

-     return {

-       next: function () {

-         var token = this$1.getToken();

-         return {

-           done: token.type === types.eof,

-           value: token

-         }

-       }

-     }

-   }; }

- // Toggle strict mode. Re-reads the next number or string to please

- // pedantic tests (`"use strict"; 010;` should fail).

- pp$8.curContext = function() {

-   return this.context[this.context.length - 1]

- };

- // Read a single token, updating the parser object's token-related

- // properties.

- pp$8.nextToken = function() {

-   var curContext = this.curContext();

-   if (!curContext || !curContext.preserveSpace) { this.skipSpace(); }

-   this.start = this.pos;

-   if (this.options.locations) { this.startLoc = this.curPosition(); }

-   if (this.pos >= this.input.length) { return this.finishToken(types.eof) }

-   if (curContext.override) { return curContext.override(this) }

-   else { this.readToken(this.fullCharCodeAtPos()); }

- };

- pp$8.readToken = function(code) {

-   // Identifier or keyword. '\uXXXX' sequences are allowed in

-   // identifiers, so '\' also dispatches to that.

-   if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */)

-     { return this.readWord() }

-   return this.getTokenFromCode(code)

- };

- pp$8.fullCharCodeAtPos = function() {

-   var code = this.input.charCodeAt(this.pos);

-   if (code <= 0xd7ff || code >= 0xe000) { return code }

-   var next = this.input.charCodeAt(this.pos + 1);

-   return (code << 10) + next - 0x35fdc00

- };

- pp$8.skipBlockComment = function() {

-   var this$1 = this;

-   var startLoc = this.options.onComment && this.curPosition();

-   var start = this.pos, end = this.input.indexOf("*/", this.pos += 2);

-   if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); }

-   this.pos = end + 2;

-   if (this.options.locations) {

-     lineBreakG.lastIndex = start;

-     var match;

-     while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {

-       ++this$1.curLine;

-       this$1.lineStart = match.index + match[0].length;

-     }

-   }

-   if (this.options.onComment)

-     { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos,

-                            startLoc, this.curPosition()); }

- };

- pp$8.skipLineComment = function(startSkip) {

-   var this$1 = this;

-   var start = this.pos;

-   var startLoc = this.options.onComment && this.curPosition();

-   var ch = this.input.charCodeAt(this.pos += startSkip);

-   while (this.pos < this.input.length && !isNewLine(ch)) {

-     ch = this$1.input.charCodeAt(++this$1.pos);

-   }

-   if (this.options.onComment)

-     { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos,

-                            startLoc, this.curPosition()); }

- };

- // Called at the start of the parse and after every token. Skips

- // whitespace and comments, and.

- pp$8.skipSpace = function() {

-   var this$1 = this;

-   loop: while (this.pos < this.input.length) {

-     var ch = this$1.input.charCodeAt(this$1.pos);

-     switch (ch) {

-     case 32: case 160: // ' '

-       ++this$1.pos;

-       break

-     case 13:

-       if (this$1.input.charCodeAt(this$1.pos + 1) === 10) {

-         ++this$1.pos;

-       }

-     case 10: case 8232: case 8233:

-       ++this$1.pos;

-       if (this$1.options.locations) {

-         ++this$1.curLine;

-         this$1.lineStart = this$1.pos;

-       }

-       break

-     case 47: // '/'

-       switch (this$1.input.charCodeAt(this$1.pos + 1)) {

-       case 42: // '*'

-         this$1.skipBlockComment();

-         break

-       case 47:

-         this$1.skipLineComment(2);

-         break

-       default:

-         break loop

-       }

-       break

-     default:

-       if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {

-         ++this$1.pos;

-       } else {

-         break loop

-       }

-     }

-   }

- };

- // Called at the end of every token. Sets `end`, `val`, and

- // maintains `context` and `exprAllowed`, and skips the space after

- // the token, so that the next one's `start` will point at the

- // right position.

- pp$8.finishToken = function(type, val) {

-   this.end = this.pos;

-   if (this.options.locations) { this.endLoc = this.curPosition(); }

-   var prevType = this.type;

-   this.type = type;

-   this.value = val;

-   this.updateContext(prevType);

- };

- // ### Token reading

- // This is the function that is called to fetch the next token. It

- // is somewhat obscure, because it works in character codes rather

- // than characters, and because operator parsing has been inlined

- // into it.

- //

- // All in the name of speed.

- //

- pp$8.readToken_dot = function() {

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (next >= 48 && next <= 57) { return this.readNumber(true) }

-   var next2 = this.input.charCodeAt(this.pos + 2);

-   if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.'

-     this.pos += 3;

-     return this.finishToken(types.ellipsis)

-   } else {

-     ++this.pos;

-     return this.finishToken(types.dot)

-   }

- };

- pp$8.readToken_slash = function() { // '/'

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (this.exprAllowed) { ++this.pos; return this.readRegexp() }

-   if (next === 61) { return this.finishOp(types.assign, 2) }

-   return this.finishOp(types.slash, 1)

- };

- pp$8.readToken_mult_modulo_exp = function(code) { // '%*'

-   var next = this.input.charCodeAt(this.pos + 1);

-   var size = 1;

-   var tokentype = code === 42 ? types.star : types.modulo;

-   // exponentiation operator ** and **=

-   if (this.options.ecmaVersion >= 7 && next === 42) {

-     ++size;

-     tokentype = types.starstar;

-     next = this.input.charCodeAt(this.pos + 2);

-   }

-   if (next === 61) { return this.finishOp(types.assign, size + 1) }

-   return this.finishOp(tokentype, size)

- };

- pp$8.readToken_pipe_amp = function(code) { // '|&'

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (next === code) { return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) }

-   if (next === 61) { return this.finishOp(types.assign, 2) }

-   return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1)

- };

- pp$8.readToken_caret = function() { // '^'

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (next === 61) { return this.finishOp(types.assign, 2) }

-   return this.finishOp(types.bitwiseXOR, 1)

- };

- pp$8.readToken_plus_min = function(code) { // '+-'

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (next === code) {

-     if (next == 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) == 62 &&

-         (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) {

-       // A `-->` line comment

-       this.skipLineComment(3);

-       this.skipSpace();

-       return this.nextToken()

-     }

-     return this.finishOp(types.incDec, 2)

-   }

-   if (next === 61) { return this.finishOp(types.assign, 2) }

-   return this.finishOp(types.plusMin, 1)

- };

- pp$8.readToken_lt_gt = function(code) { // '<>'

-   var next = this.input.charCodeAt(this.pos + 1);

-   var size = 1;

-   if (next === code) {

-     size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2;

-     if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) }

-     return this.finishOp(types.bitShift, size)

-   }

-   if (next == 33 && code == 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) == 45 &&

-       this.input.charCodeAt(this.pos + 3) == 45) {

-     // `<!--`, an XML-style comment that should be interpreted as a line comment

-     this.skipLineComment(4);

-     this.skipSpace();

-     return this.nextToken()

-   }

-   if (next === 61) { size = 2; }

-   return this.finishOp(types.relational, size)

- };

- pp$8.readToken_eq_excl = function(code) { // '=!'

-   var next = this.input.charCodeAt(this.pos + 1);

-   if (next === 61) { return this.finishOp(types.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2) }

-   if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) { // '=>'

-     this.pos += 2;

-     return this.finishToken(types.arrow)

-   }

-   return this.finishOp(code === 61 ? types.eq : types.prefix, 1)

- };

- pp$8.getTokenFromCode = function(code) {

-   switch (code) {

-     // The interpretation of a dot depends on whether it is followed

-     // by a digit or another two dots.

-   case 46: // '.'

-     return this.readToken_dot()

-     // Punctuation tokens.

-   case 40: ++this.pos; return this.finishToken(types.parenL)

-   case 41: ++this.pos; return this.finishToken(types.parenR)

-   case 59: ++this.pos; return this.finishToken(types.semi)

-   case 44: ++this.pos; return this.finishToken(types.comma)

-   case 91: ++this.pos; return this.finishToken(types.bracketL)

-   case 93: ++this.pos; return this.finishToken(types.bracketR)

-   case 123: ++this.pos; return this.finishToken(types.braceL)

-   case 125: ++this.pos; return this.finishToken(types.braceR)

-   case 58: ++this.pos; return this.finishToken(types.colon)

-   case 63: ++this.pos; return this.finishToken(types.question)

-   case 96: // '`'

-     if (this.options.ecmaVersion < 6) { break }

-     ++this.pos;

-     return this.finishToken(types.backQuote)

-   case 48: // '0'

-     var next = this.input.charCodeAt(this.pos + 1);

-     if (next === 120 || next === 88) { return this.readRadixNumber(16) } // '0x', '0X' - hex number

-     if (this.options.ecmaVersion >= 6) {

-       if (next === 111 || next === 79) { return this.readRadixNumber(8) } // '0o', '0O' - octal number

-       if (next === 98 || next === 66) { return this.readRadixNumber(2) } // '0b', '0B' - binary number

-     }

-     // Anything else beginning with a digit is an integer, octal

-     // number, or float.

-   case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: // 1-9

-     return this.readNumber(false)

-     // Quotes produce strings.

-   case 34: case 39: // '"', "'"

-     return this.readString(code)

-     // Operators are parsed inline in tiny state machines. '=' (61) is

-     // often referred to. `finishOp` simply skips the amount of

-     // characters it is given as second argument, and returns a token

-     // of the type given by its first argument.

-   case 47: // '/'

-     return this.readToken_slash()

-   case 37: case 42: // '%*'

-     return this.readToken_mult_modulo_exp(code)

-   case 124: case 38: // '|&'

-     return this.readToken_pipe_amp(code)

-   case 94: // '^'

-     return this.readToken_caret()

-   case 43: case 45: // '+-'

-     return this.readToken_plus_min(code)

-   case 60: case 62: // '<>'

-     return this.readToken_lt_gt(code)

-   case 61: case 33: // '=!'

-     return this.readToken_eq_excl(code)

-   case 126: // '~'

-     return this.finishOp(types.prefix, 1)

-   }

-   this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'");

- };

- pp$8.finishOp = function(type, size) {

-   var str = this.input.slice(this.pos, this.pos + size);

-   this.pos += size;

-   return this.finishToken(type, str)

- };

- // Parse a regular expression. Some context-awareness is necessary,

- // since a '/' inside a '[]' set does not end the expression.

- function tryCreateRegexp(src, flags, throwErrorAt, parser) {

-   try {

-     return new RegExp(src, flags)

-   } catch (e) {

-     if (throwErrorAt !== undefined) {

-       if (e instanceof SyntaxError) { parser.raise(throwErrorAt, "Error parsing regular expression: " + e.message); }

-       throw e

-     }

-   }

- }

- var regexpUnicodeSupport = !!tryCreateRegexp("\uffff", "u");

- pp$8.readRegexp = function() {

-   var this$1 = this;

-   var escaped, inClass, start = this.pos;

-   for (;;) {

-     if (this$1.pos >= this$1.input.length) { this$1.raise(start, "Unterminated regular expression"); }

-     var ch = this$1.input.charAt(this$1.pos);

-     if (lineBreak.test(ch)) { this$1.raise(start, "Unterminated regular expression"); }

-     if (!escaped) {

-       if (ch === "[") { inClass = true; }

-       else if (ch === "]" && inClass) { inClass = false; }

-       else if (ch === "/" && !inClass) { break }

-       escaped = ch === "\\";

-     } else { escaped = false; }

-     ++this$1.pos;

-   }

-   var content = this.input.slice(start, this.pos);

-   ++this.pos;

-   // Need to use `readWord1` because '\uXXXX' sequences are allowed

-   // here (don't ask).

-   var mods = this.readWord1();

-   var tmp = content, tmpFlags = "";

-   if (mods) {

-     var validFlags = /^[gim]*$/;

-     if (this.options.ecmaVersion >= 6) { validFlags = /^[gimuy]*$/; }

-     if (!validFlags.test(mods)) { this.raise(start, "Invalid regular expression flag"); }

-     if (mods.indexOf("u") >= 0) {

-       if (regexpUnicodeSupport) {

-         tmpFlags = "u";

-       } else {

-         // Replace each astral symbol and every Unicode escape sequence that

-         // possibly represents an astral symbol or a paired surrogate with a

-         // single ASCII symbol to avoid throwing on regular expressions that

-         // are only valid in combination with the `/u` flag.

-         // Note: replacing with the ASCII symbol `x` might cause false

-         // negatives in unlikely scenarios. For example, `[\u{61}-b]` is a

-         // perfectly valid pattern that is equivalent to `[a-b]`, but it would

-         // be replaced by `[x-b]` which throws an error.

-         tmp = tmp.replace(/\\u\{([0-9a-fA-F]+)\}/g, function (_match, code, offset) {

-           code = Number("0x" + code);

-           if (code > 0x10FFFF) { this$1.raise(start + offset + 3, "Code point out of bounds"); }

-           return "x"

-         });

-         tmp = tmp.replace(/\\u([a-fA-F0-9]{4})|[\uD800-\uDBFF][\uDC00-\uDFFF]/g, "x");

-         tmpFlags = tmpFlags.replace("u", "");

-       }

-     }

-   }

-   // Detect invalid regular expressions.

-   var value = null;

-   // Rhino's regular expression parser is flaky and throws uncatchable exceptions,

-   // so don't do detection if we are running under Rhino

-   if (!isRhino) {

-     tryCreateRegexp(tmp, tmpFlags, start, this);

-     // Get a regular expression object for this pattern-flag pair, or `null` in

-     // case the current environment doesn't support the flags it uses.

-     value = tryCreateRegexp(content, mods);

-   }

-   return this.finishToken(types.regexp, {pattern: content, flags: mods, value: value})

- };

- // Read an integer in the given radix. Return null if zero digits

- // were read, the integer value otherwise. When `len` is given, this

- // will return `null` unless the integer has exactly `len` digits.

- pp$8.readInt = function(radix, len) {

-   var this$1 = this;

-   var start = this.pos, total = 0;

-   for (var i = 0, e = len == null ? Infinity : len; i < e; ++i) {

-     var code = this$1.input.charCodeAt(this$1.pos), val = (void 0);

-     if (code >= 97) { val = code - 97 + 10; } // a

-     else if (code >= 65) { val = code - 65 + 10; } // A

-     else if (code >= 48 && code <= 57) { val = code - 48; } // 0-9

-     else { val = Infinity; }

-     if (val >= radix) { break }

-     ++this$1.pos;

-     total = total * radix + val;

-   }

-   if (this.pos === start || len != null && this.pos - start !== len) { return null }

-   return total

- };

- pp$8.readRadixNumber = function(radix) {

-   this.pos += 2; // 0x

-   var val = this.readInt(radix);

-   if (val == null) { this.raise(this.start + 2, "Expected number in radix " + radix); }

-   if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); }

-   return this.finishToken(types.num, val)

- };

- // Read an integer, octal integer, or floating-point number.

- pp$8.readNumber = function(startsWithDot) {

-   var start = this.pos, isFloat = false, octal = this.input.charCodeAt(this.pos) === 48;

-   if (!startsWithDot && this.readInt(10) === null) { this.raise(start, "Invalid number"); }

-   if (octal && this.pos == start + 1) { octal = false; }

-   var next = this.input.charCodeAt(this.pos);

-   if (next === 46 && !octal) { // '.'

-     ++this.pos;

-     this.readInt(10);

-     isFloat = true;

-     next = this.input.charCodeAt(this.pos);

-   }

-   if ((next === 69 || next === 101) && !octal) { // 'eE'

-     next = this.input.charCodeAt(++this.pos);

-     if (next === 43 || next === 45) { ++this.pos; } // '+-'

-     if (this.readInt(10) === null) { this.raise(start, "Invalid number"); }

-     isFloat = true;

-   }

-   if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); }

-   var str = this.input.slice(start, this.pos), val;

-   if (isFloat) { val = parseFloat(str); }

-   else if (!octal || str.length === 1) { val = parseInt(str, 10); }

-   else if (this.strict) { this.raise(start, "Invalid number"); }

-   else if (/[89]/.test(str)) { val = parseInt(str, 10); }

-   else { val = parseInt(str, 8); }

-   return this.finishToken(types.num, val)

- };

- // Read a string value, interpreting backslash-escapes.

- pp$8.readCodePoint = function() {

-   var ch = this.input.charCodeAt(this.pos), code;

-   if (ch === 123) { // '{'

-     if (this.options.ecmaVersion < 6) { this.unexpected(); }

-     var codePos = ++this.pos;

-     code = this.readHexChar(this.input.indexOf("}", this.pos) - this.pos);

-     ++this.pos;

-     if (code > 0x10FFFF) { this.invalidStringToken(codePos, "Code point out of bounds"); }

-   } else {

-     code = this.readHexChar(4);

-   }

-   return code

- };

- function codePointToString(code) {

-   // UTF-16 Decoding

-   if (code <= 0xFFFF) { return String.fromCharCode(code) }

-   code -= 0x10000;

-   return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00)

- }

- pp$8.readString = function(quote) {

-   var this$1 = this;

-   var out = "", chunkStart = ++this.pos;

-   for (;;) {

-     if (this$1.pos >= this$1.input.length) { this$1.raise(this$1.start, "Unterminated string constant"); }

-     var ch = this$1.input.charCodeAt(this$1.pos);

-     if (ch === quote) { break }

-     if (ch === 92) { // '\'

-       out += this$1.input.slice(chunkStart, this$1.pos);

-       out += this$1.readEscapedChar(false);

-       chunkStart = this$1.pos;

-     } else {

-       if (isNewLine(ch)) { this$1.raise(this$1.start, "Unterminated string constant"); }

-       ++this$1.pos;

-     }

-   }

-   out += this.input.slice(chunkStart, this.pos++);

-   return this.finishToken(types.string, out)

- };

- // Reads template string tokens.

- var INVALID_TEMPLATE_ESCAPE_ERROR = {};

- pp$8.tryReadTemplateToken = function() {

-   this.inTemplateElement = true;

-   try {

-     this.readTmplToken();

-   } catch (err) {

-     if (err === INVALID_TEMPLATE_ESCAPE_ERROR) {

-       this.readInvalidTemplateToken();

-     } else {

-       throw err

-     }

-   }

-   this.inTemplateElement = false;

- };

- pp$8.invalidStringToken = function(position, message) {

-   if (this.inTemplateElement && this.options.ecmaVersion >= 9) {

-     throw INVALID_TEMPLATE_ESCAPE_ERROR

-   } else {

-     this.raise(position, message);

-   }

- };

- pp$8.readTmplToken = function() {

-   var this$1 = this;

-   var out = "", chunkStart = this.pos;

-   for (;;) {

-     if (this$1.pos >= this$1.input.length) { this$1.raise(this$1.start, "Unterminated template"); }

-     var ch = this$1.input.charCodeAt(this$1.pos);

-     if (ch === 96 || ch === 36 && this$1.input.charCodeAt(this$1.pos + 1) === 123) { // '`', '${'

-       if (this$1.pos === this$1.start && (this$1.type === types.template || this$1.type === types.invalidTemplate)) {

-         if (ch === 36) {

-           this$1.pos += 2;

-           return this$1.finishToken(types.dollarBraceL)

-         } else {

-           ++this$1.pos;

-           return this$1.finishToken(types.backQuote)

-         }

-       }

-       out += this$1.input.slice(chunkStart, this$1.pos);

-       return this$1.finishToken(types.template, out)

-     }

-     if (ch === 92) { // '\'

-       out += this$1.input.slice(chunkStart, this$1.pos);

-       out += this$1.readEscapedChar(true);

-       chunkStart = this$1.pos;

-     } else if (isNewLine(ch)) {

-       out += this$1.input.slice(chunkStart, this$1.pos);

-       ++this$1.pos;

-       switch (ch) {

-       case 13:

-         if (this$1.input.charCodeAt(this$1.pos) === 10) { ++this$1.pos; }

-       case 10:

-         out += "\n";

-         break

-       default:

-         out += String.fromCharCode(ch);

-         break

-       }

-       if (this$1.options.locations) {

-         ++this$1.curLine;

-         this$1.lineStart = this$1.pos;

-       }

-       chunkStart = this$1.pos;

-     } else {

-       ++this$1.pos;

-     }

-   }

- };

- // Reads a template token to search for the end, without validating any escape sequences

- pp$8.readInvalidTemplateToken = function() {

-   var this$1 = this;

-   for (; this.pos < this.input.length; this.pos++) {

-     switch (this$1.input[this$1.pos]) {

-     case "\\":

-       ++this$1.pos;

-       break

-     case "$":

-       if (this$1.input[this$1.pos + 1] !== "{") {

-         break

-       }

-     // falls through

-     case "`":

-       return this$1.finishToken(types.invalidTemplate, this$1.input.slice(this$1.start, this$1.pos))

-     // no default

-     }

-   }

-   this.raise(this.start, "Unterminated template");

- };

- // Used to read escaped characters

- pp$8.readEscapedChar = function(inTemplate) {

-   var ch = this.input.charCodeAt(++this.pos);

-   ++this.pos;

-   switch (ch) {

-   case 110: return "\n" // 'n' -> '\n'

-   case 114: return "\r" // 'r' -> '\r'

-   case 120: return String.fromCharCode(this.readHexChar(2)) // 'x'

-   case 117: return codePointToString(this.readCodePoint()) // 'u'

-   case 116: return "\t" // 't' -> '\t'

-   case 98: return "\b" // 'b' -> '\b'

-   case 118: return "\u000b" // 'v' -> '\u000b'

-   case 102: return "\f" // 'f' -> '\f'

-   case 13: if (this.input.charCodeAt(this.pos) === 10) { ++this.pos; } // '\r\n'

-   case 10: // ' \n'

-     if (this.options.locations) { this.lineStart = this.pos; ++this.curLine; }

-     return ""

-   default:

-     if (ch >= 48 && ch <= 55) {

-       var octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0];

-       var octal = parseInt(octalStr, 8);

-       if (octal > 255) {

-         octalStr = octalStr.slice(0, -1);

-         octal = parseInt(octalStr, 8);

-       }

-       if (octalStr !== "0" && (this.strict || inTemplate)) {

-         this.invalidStringToken(this.pos - 2, "Octal literal in strict mode");

-       }

-       this.pos += octalStr.length - 1;

-       return String.fromCharCode(octal)

-     }

-     return String.fromCharCode(ch)

-   }

- };

- // Used to read character escape sequences ('\x', '\u', '\U').

- pp$8.readHexChar = function(len) {

-   var codePos = this.pos;

-   var n = this.readInt(16, len);

-   if (n === null) { this.invalidStringToken(codePos, "Bad character escape sequence"); }

-   return n

- };

- // Read an identifier, and return it as a string. Sets `this.containsEsc`

- // to whether the word contained a '\u' escape.

- //

- // Incrementally adds only escaped chars, adding other chunks as-is

- // as a micro-optimization.

- pp$8.readWord1 = function() {

-   var this$1 = this;

-   this.containsEsc = false;

-   var word = "", first = true, chunkStart = this.pos;

-   var astral = this.options.ecmaVersion >= 6;

-   while (this.pos < this.input.length) {

-     var ch = this$1.fullCharCodeAtPos();

-     if (isIdentifierChar(ch, astral)) {

-       this$1.pos += ch <= 0xffff ? 1 : 2;

-     } else if (ch === 92) { // "\"

-       this$1.containsEsc = true;

-       word += this$1.input.slice(chunkStart, this$1.pos);

-       var escStart = this$1.pos;

-       if (this$1.input.charCodeAt(++this$1.pos) != 117) // "u"

-         { this$1.invalidStringToken(this$1.pos, "Expecting Unicode escape sequence \\uXXXX"); }

-       ++this$1.pos;

-       var esc = this$1.readCodePoint();

-       if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral))

-         { this$1.invalidStringToken(escStart, "Invalid Unicode escape"); }

-       word += codePointToString(esc);

-       chunkStart = this$1.pos;

-     } else {

-       break

-     }

-     first = false;

-   }

-   return word + this.input.slice(chunkStart, this.pos)

- };

- // Read an identifier or keyword token. Will check for reserved

- // words when necessary.

- pp$8.readWord = function() {

-   var word = this.readWord1();

-   var type = types.name;

-   if (this.keywords.test(word)) {

-     if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword " + word); }

-     type = keywords$1[word];

-   }

-   return this.finishToken(type, word)

- };

- // Acorn is a tiny, fast JavaScript parser written in JavaScript.

- //

- // Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and

- // various contributors and released under an MIT license.

- //

- // Git repositories for Acorn are available at

- //

- //     http://marijnhaverbeke.nl/git/acorn

- //     https://github.com/ternjs/acorn.git

- //

- // Please use the [github bug tracker][ghbt] to report issues.

- //

- // [ghbt]: https://github.com/ternjs/acorn/issues

- //

- // This file defines the main parser interface. The library also comes

- // with a [error-tolerant parser][dammit] and an

- // [abstract syntax tree walker][walk], defined in other files.

- //

- // [dammit]: acorn_loose.js

- // [walk]: util/walk.js

- var version = "5.1.2";

- // The main exported interface (under `self.acorn` when in the

- // browser) is a `parse` function that takes a code string and

- // returns an abstract syntax tree as specified by [Mozilla parser

- // API][api].

- //

- // [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API

- function parse(input, options) {

-   return new Parser(options, input).parse()

- }

- // This function tries to parse a single expression at a given

- // offset in a string. Useful for parsing mixed-language formats

- // that embed JavaScript expressions.

- function parseExpressionAt(input, pos, options) {

-   var p = new Parser(options, input, pos);

-   p.nextToken();

-   return p.parseExpression()

- }

- // Acorn is organized as a tokenizer and a recursive-descent parser.

- // The `tokenizer` export provides an interface to the tokenizer.

- function tokenizer(input, options) {

-   return new Parser(options, input)

- }

- // This is a terrible kludge to support the existing, pre-ES6

- // interface where the loose parser module retroactively adds exports

- // to this module.

-  // eslint-disable-line camelcase

- function addLooseExports(parse, Parser$$1, plugins$$1) {

-   exports.parse_dammit = parse; // eslint-disable-line camelcase

-   exports.LooseParser = Parser$$1;

-   exports.pluginsLoose = plugins$$1;

- }

- exports.version = version;

- exports.parse = parse;

- exports.parseExpressionAt = parseExpressionAt;

- exports.tokenizer = tokenizer;

- exports.addLooseExports = addLooseExports;

- exports.Parser = Parser;

- exports.plugins = plugins;

- exports.defaultOptions = defaultOptions;

- exports.Position = Position;

- exports.SourceLocation = SourceLocation;

- exports.getLineInfo = getLineInfo;

- exports.Node = Node;

- exports.TokenType = TokenType;

- exports.tokTypes = types;

- exports.keywordTypes = keywords$1;

- exports.TokContext = TokContext;

- exports.tokContexts = types$1;

- exports.isIdentifierChar = isIdentifierChar;

- exports.isIdentifierStart = isIdentifierStart;

- exports.Token = Token;

- exports.isNewLine = isNewLine;

- exports.lineBreak = lineBreak;

- exports.lineBreakG = lineBreakG;

- exports.nonASCIIwhitespace = nonASCIIwhitespace;

- Object.defineProperty(exports, '__esModule', { value: true });

- })));

- },{}],3:[function(require,module,exports){

- (function (global, factory) {

- 	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('./acorn')) :

- 	typeof define === 'function' && define.amd ? define(['exports', './acorn'], factory) :

- 	(factory((global.acorn = global.acorn || {}, global.acorn.loose = global.acorn.loose || {}),global.acorn));

- }(this, (function (exports,__acorn) { 'use strict';

- // Registered plugins

- var pluginsLoose = {};

- var LooseParser = function LooseParser(input, options) {

-   if ( options === void 0 ) options = {};

-   this.toks = __acorn.tokenizer(input, options);

-   this.options = this.toks.options;

-   this.input = this.toks.input;

-   this.tok = this.last = {type: __acorn.tokTypes.eof, start: 0, end: 0};

-   if (this.options.locations) {

-     var here = this.toks.curPosition();

-     this.tok.loc = new __acorn.SourceLocation(this.toks, here, here);

-   }

-   this.ahead = []; // Tokens ahead

-   this.context = []; // Indentation contexted

-   this.curIndent = 0;

-   this.curLineStart = 0;

-   this.nextLineStart = this.lineEnd(this.curLineStart) + 1;

-   this.inAsync = false;

-   // Load plugins

-   this.options.pluginsLoose = options.pluginsLoose || {};

-   this.loadPlugins(this.options.pluginsLoose);

- };

- LooseParser.prototype.startNode = function startNode () {

-   return new __acorn.Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null)

- };

- LooseParser.prototype.storeCurrentPos = function storeCurrentPos () {

-   return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start

- };

- LooseParser.prototype.startNodeAt = function startNodeAt (pos) {

-   if (this.options.locations) {

-     return new __acorn.Node(this.toks, pos[0], pos[1])

-   } else {

-     return new __acorn.Node(this.toks, pos)

-   }

- };

- LooseParser.prototype.finishNode = function finishNode (node, type) {

-   node.type = type;

-   node.end = this.last.end;

-   if (this.options.locations)

-     { node.loc.end = this.last.loc.end; }

-   if (this.options.ranges)

-     { node.range[1] = this.last.end; }

-   return node

- };

- LooseParser.prototype.dummyNode = function dummyNode (type) {

-   var dummy = this.startNode();

-   dummy.type = type;

-   dummy.end = dummy.start;

-   if (this.options.locations)

-     { dummy.loc.end = dummy.loc.start; }

-   if (this.options.ranges)

-     { dummy.range[1] = dummy.start; }

-   this.last = {type: __acorn.tokTypes.name, start: dummy.start, end: dummy.start, loc: dummy.loc};

-   return dummy

- };

- LooseParser.prototype.dummyIdent = function dummyIdent () {

-   var dummy = this.dummyNode("Identifier");

-   dummy.name = "✖";

-   return dummy

- };

- LooseParser.prototype.dummyString = function dummyString () {

-   var dummy = this.dummyNode("Literal");

-   dummy.value = dummy.raw = "✖";

-   return dummy

- };

- LooseParser.prototype.eat = function eat (type) {

-   if (this.tok.type === type) {

-     this.next();

-     return true

-   } else {

-     return false

-   }

- };

- LooseParser.prototype.isContextual = function isContextual (name) {

-   return this.tok.type === __acorn.tokTypes.name && this.tok.value === name

- };

- LooseParser.prototype.eatContextual = function eatContextual (name) {

-   return this.tok.value === name && this.eat(__acorn.tokTypes.name)

- };

- LooseParser.prototype.canInsertSemicolon = function canInsertSemicolon () {

-   return this.tok.type === __acorn.tokTypes.eof || this.tok.type === __acorn.tokTypes.braceR ||

-     __acorn.lineBreak.test(this.input.slice(this.last.end, this.tok.start))

- };

- LooseParser.prototype.semicolon = function semicolon () {

-   return this.eat(__acorn.tokTypes.semi)

- };

- LooseParser.prototype.expect = function expect (type) {

-     var this$1 = this;

-   if (this.eat(type)) { return true }

-   for (var i = 1; i <= 2; i++) {

-     if (this$1.lookAhead(i).type == type) {

-       for (var j = 0; j < i; j++) { this$1.next(); }

-       return true

-     }

-   }

- };

- LooseParser.prototype.pushCx = function pushCx () {

-   this.context.push(this.curIndent);

- };

- LooseParser.prototype.popCx = function popCx () {

-   this.curIndent = this.context.pop();

- };

- LooseParser.prototype.lineEnd = function lineEnd (pos) {

-   while (pos < this.input.length && !__acorn.isNewLine(this.input.charCodeAt(pos))) { ++pos; }

-   return pos

- };

- LooseParser.prototype.indentationAfter = function indentationAfter (pos) {

-     var this$1 = this;

-   for (var count = 0;; ++pos) {

-     var ch = this$1.input.charCodeAt(pos);

-     if (ch === 32) { ++count; }

-     else if (ch === 9) { count += this$1.options.tabSize; }

-     else { return count }

-   }

- };

- LooseParser.prototype.closes = function closes (closeTok, indent, line, blockHeuristic) {

-   if (this.tok.type === closeTok || this.tok.type === __acorn.tokTypes.eof) { return true }

-   return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() &&

-     (!blockHeuristic || this.nextLineStart >= this.input.length ||

-      this.indentationAfter(this.nextLineStart) < indent)

- };

- LooseParser.prototype.tokenStartsLine = function tokenStartsLine () {

-     var this$1 = this;

-   for (var p = this.tok.start - 1; p >= this.curLineStart; --p) {

-     var ch = this$1.input.charCodeAt(p);

-     if (ch !== 9 && ch !== 32) { return false }

-   }

-   return true

- };

- LooseParser.prototype.extend = function extend (name, f) {

-   this[name] = f(this[name]);

- };

- LooseParser.prototype.loadPlugins = function loadPlugins (pluginConfigs) {

-     var this$1 = this;

-   for (var name in pluginConfigs) {

-     var plugin = pluginsLoose[name];

-     if (!plugin) { throw new Error("Plugin '" + name + "' not found") }

-     plugin(this$1, pluginConfigs[name]);

-   }

- };

- LooseParser.prototype.parse = function parse () {

-   this.next();

-   return this.parseTopLevel()

- };

- var lp = LooseParser.prototype;

- function isSpace(ch) {

-   return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || __acorn.isNewLine(ch)

- }

- lp.next = function() {

-   var this$1 = this;

-   this.last = this.tok;

-   if (this.ahead.length)

-     { this.tok = this.ahead.shift(); }

-   else

-     { this.tok = this.readToken(); }

-   if (this.tok.start >= this.nextLineStart) {

-     while (this.tok.start >= this.nextLineStart) {

-       this$1.curLineStart = this$1.nextLineStart;

-       this$1.nextLineStart = this$1.lineEnd(this$1.curLineStart) + 1;

-     }

-     this.curIndent = this.indentationAfter(this.curLineStart);

-   }

- };

- lp.readToken = function() {

-   var this$1 = this;

-   for (;;) {

-     try {

-       this$1.toks.next();

-       if (this$1.toks.type === __acorn.tokTypes.dot &&

-           this$1.input.substr(this$1.toks.end, 1) === "." &&

-           this$1.options.ecmaVersion >= 6) {

-         this$1.toks.end++;

-         this$1.toks.type = __acorn.tokTypes.ellipsis;

-       }

-       return new __acorn.Token(this$1.toks)

-     } catch (e) {

-       if (!(e instanceof SyntaxError)) { throw e }

-       // Try to skip some text, based on the error message, and then continue

-       var msg = e.message, pos = e.raisedAt, replace = true;

-       if (/unterminated/i.test(msg)) {

-         pos = this$1.lineEnd(e.pos + 1);

-         if (/string/.test(msg)) {

-           replace = {start: e.pos, end: pos, type: __acorn.tokTypes.string, value: this$1.input.slice(e.pos + 1, pos)};

-         } else if (/regular expr/i.test(msg)) {

-           var re = this$1.input.slice(e.pos, pos);

-           try { re = new RegExp(re); } catch (e) { /* ignore compilation error due to new syntax */ }

-           replace = {start: e.pos, end: pos, type: __acorn.tokTypes.regexp, value: re};

-         } else if (/template/.test(msg)) {

-           replace = {

-             start: e.pos,

-             end: pos,

-             type: __acorn.tokTypes.template,

-             value: this$1.input.slice(e.pos, pos)

-           };

-         } else {

-           replace = false;

-         }

-       } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) {

-         while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) { ++pos; }

-       } else if (/character escape|expected hexadecimal/i.test(msg)) {

-         while (pos < this.input.length) {

-           var ch = this$1.input.charCodeAt(pos++);

-           if (ch === 34 || ch === 39 || __acorn.isNewLine(ch)) { break }

-         }

-       } else if (/unexpected character/i.test(msg)) {

-         pos++;

-         replace = false;

-       } else if (/regular expression/i.test(msg)) {

-         replace = true;

-       } else {

-         throw e

-       }

-       this$1.resetTo(pos);

-       if (replace === true) { replace = {start: pos, end: pos, type: __acorn.tokTypes.name, value: "✖"}; }

-       if (replace) {

-         if (this$1.options.locations)

-           { replace.loc = new __acorn.SourceLocation(

-             this$1.toks,

-             __acorn.getLineInfo(this$1.input, replace.start),

-             __acorn.getLineInfo(this$1.input, replace.end)); }

-         return replace

-       }

-     }

-   }

- };

- lp.resetTo = function(pos) {

-   var this$1 = this;

-   this.toks.pos = pos;

-   var ch = this.input.charAt(pos - 1);

-   this.toks.exprAllowed = !ch || /[[{(,;:?/*=+\-~!|&%^<>]/.test(ch) ||

-     /[enwfd]/.test(ch) &&

-     /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos));

-   if (this.options.locations) {

-     this.toks.curLine = 1;

-     this.toks.lineStart = __acorn.lineBreakG.lastIndex = 0;

-     var match;

-     while ((match = __acorn.lineBreakG.exec(this.input)) && match.index < pos) {

-       ++this$1.toks.curLine;

-       this$1.toks.lineStart = match.index + match[0].length;

-     }

-   }

- };

- lp.lookAhead = function(n) {

-   var this$1 = this;

-   while (n > this.ahead.length)

-     { this$1.ahead.push(this$1.readToken()); }

-   return this.ahead[n - 1]

- };

- function isDummy(node) { return node.name == "✖" }

- var lp$1 = LooseParser.prototype;

- lp$1.parseTopLevel = function() {

-   var this$1 = this;

-   var node = this.startNodeAt(this.options.locations ? [0, __acorn.getLineInfo(this.input, 0)] : 0);

-   node.body = [];

-   while (this.tok.type !== __acorn.tokTypes.eof) { node.body.push(this$1.parseStatement()); }

-   this.last = this.tok;

-   if (this.options.ecmaVersion >= 6) {

-     node.sourceType = this.options.sourceType;

-   }

-   return this.finishNode(node, "Program")

- };

- lp$1.parseStatement = function() {

-   var this$1 = this;

-   var starttype = this.tok.type, node = this.startNode(), kind;

-   if (this.toks.isLet()) {

-     starttype = __acorn.tokTypes._var;

-     kind = "let";

-   }

-   switch (starttype) {

-   case __acorn.tokTypes._break: case __acorn.tokTypes._continue:

-     this.next();

-     var isBreak = starttype === __acorn.tokTypes._break;

-     if (this.semicolon() || this.canInsertSemicolon()) {

-       node.label = null;

-     } else {

-       node.label = this.tok.type === __acorn.tokTypes.name ? this.parseIdent() : null;

-       this.semicolon();

-     }

-     return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")

-   case __acorn.tokTypes._debugger:

-     this.next();

-     this.semicolon();

-     return this.finishNode(node, "DebuggerStatement")

-   case __acorn.tokTypes._do:

-     this.next();

-     node.body = this.parseStatement();

-     node.test = this.eat(__acorn.tokTypes._while) ? this.parseParenExpression() : this.dummyIdent();

-     this.semicolon();

-     return this.finishNode(node, "DoWhileStatement")

-   case __acorn.tokTypes._for:

-     this.next();

-     this.pushCx();

-     this.expect(__acorn.tokTypes.parenL);

-     if (this.tok.type === __acorn.tokTypes.semi) { return this.parseFor(node, null) }

-     var isLet = this.toks.isLet();

-     if (isLet || this.tok.type === __acorn.tokTypes._var || this.tok.type === __acorn.tokTypes._const) {

-       var init$1 = this.parseVar(true, isLet ? "let" : this.tok.value);

-       if (init$1.declarations.length === 1 && (this.tok.type === __acorn.tokTypes._in || this.isContextual("of"))) {

-         return this.parseForIn(node, init$1)

-       }

-       return this.parseFor(node, init$1)

-     }

-     var init = this.parseExpression(true);

-     if (this.tok.type === __acorn.tokTypes._in || this.isContextual("of"))

-       { return this.parseForIn(node, this.toAssignable(init)) }

-     return this.parseFor(node, init)

-   case __acorn.tokTypes._function:

-     this.next();

-     return this.parseFunction(node, true)

-   case __acorn.tokTypes._if:

-     this.next();

-     node.test = this.parseParenExpression();

-     node.consequent = this.parseStatement();

-     node.alternate = this.eat(__acorn.tokTypes._else) ? this.parseStatement() : null;

-     return this.finishNode(node, "IfStatement")

-   case __acorn.tokTypes._return:

-     this.next();

-     if (this.eat(__acorn.tokTypes.semi) || this.canInsertSemicolon()) { node.argument = null; }

-     else { node.argument = this.parseExpression(); this.semicolon(); }

-     return this.finishNode(node, "ReturnStatement")

-   case __acorn.tokTypes._switch:

-     var blockIndent = this.curIndent, line = this.curLineStart;

-     this.next();

-     node.discriminant = this.parseParenExpression();

-     node.cases = [];

-     this.pushCx();

-     this.expect(__acorn.tokTypes.braceL);

-     var cur;

-     while (!this.closes(__acorn.tokTypes.braceR, blockIndent, line, true)) {

-       if (this$1.tok.type === __acorn.tokTypes._case || this$1.tok.type === __acorn.tokTypes._default) {

-         var isCase = this$1.tok.type === __acorn.tokTypes._case;

-         if (cur) { this$1.finishNode(cur, "SwitchCase"); }

-         node.cases.push(cur = this$1.startNode());

-         cur.consequent = [];

-         this$1.next();

-         if (isCase) { cur.test = this$1.parseExpression(); }

-         else { cur.test = null; }

-         this$1.expect(__acorn.tokTypes.colon);

-       } else {

-         if (!cur) {

-           node.cases.push(cur = this$1.startNode());

-           cur.consequent = [];

-           cur.test = null;

-         }

-         cur.consequent.push(this$1.parseStatement());

-       }

-     }

-     if (cur) { this.finishNode(cur, "SwitchCase"); }

-     this.popCx();

-     this.eat(__acorn.tokTypes.braceR);

-     return this.finishNode(node, "SwitchStatement")

-   case __acorn.tokTypes._throw:

-     this.next();

-     node.argument = this.parseExpression();

-     this.semicolon();

-     return this.finishNode(node, "ThrowStatement")

-   case __acorn.tokTypes._try:

-     this.next();

-     node.block = this.parseBlock();

-     node.handler = null;

-     if (this.tok.type === __acorn.tokTypes._catch) {

-       var clause = this.startNode();

-       this.next();

-       this.expect(__acorn.tokTypes.parenL);

-       clause.param = this.toAssignable(this.parseExprAtom(), true);

-       this.expect(__acorn.tokTypes.parenR);

-       clause.body = this.parseBlock();

-       node.handler = this.finishNode(clause, "CatchClause");

-     }

-     node.finalizer = this.eat(__acorn.tokTypes._finally) ? this.parseBlock() : null;

-     if (!node.handler && !node.finalizer) { return node.block }

-     return this.finishNode(node, "TryStatement")

-   case __acorn.tokTypes._var:

-   case __acorn.tokTypes._const:

-     return this.parseVar(false, kind || this.tok.value)

-   case __acorn.tokTypes._while:

-     this.next();

-     node.test = this.parseParenExpression();

-     node.body = this.parseStatement();

-     return this.finishNode(node, "WhileStatement")

-   case __acorn.tokTypes._with:

-     this.next();

-     node.object = this.parseParenExpression();

-     node.body = this.parseStatement();

-     return this.finishNode(node, "WithStatement")

-   case __acorn.tokTypes.braceL:

-     return this.parseBlock()

-   case __acorn.tokTypes.semi:

-     this.next();

-     return this.finishNode(node, "EmptyStatement")

-   case __acorn.tokTypes._class:

-     return this.parseClass(true)

-   case __acorn.tokTypes._import:

-     return this.parseImport()

-   case __acorn.tokTypes._export:

-     return this.parseExport()

-   default:

-     if (this.toks.isAsyncFunction()) {

-       this.next();

-       this.next();

-       return this.parseFunction(node, true, true)

-     }

-     var expr = this.parseExpression();

-     if (isDummy(expr)) {

-       this.next();

-       if (this.tok.type === __acorn.tokTypes.eof) { return this.finishNode(node, "EmptyStatement") }

-       return this.parseStatement()

-     } else if (starttype === __acorn.tokTypes.name && expr.type === "Identifier" && this.eat(__acorn.tokTypes.colon)) {

-       node.body = this.parseStatement();

-       node.label = expr;

-       return this.finishNode(node, "LabeledStatement")

-     } else {

-       node.expression = expr;

-       this.semicolon();

-       return this.finishNode(node, "ExpressionStatement")

-     }

-   }

- };

- lp$1.parseBlock = function() {

-   var this$1 = this;

-   var node = this.startNode();

-   this.pushCx();

-   this.expect(__acorn.tokTypes.braceL);

-   var blockIndent = this.curIndent, line = this.curLineStart;

-   node.body = [];

-   while (!this.closes(__acorn.tokTypes.braceR, blockIndent, line, true))

-     { node.body.push(this$1.parseStatement()); }

-   this.popCx();

-   this.eat(__acorn.tokTypes.braceR);

-   return this.finishNode(node, "BlockStatement")

- };

- lp$1.parseFor = function(node, init) {

-   node.init = init;

-   node.test = node.update = null;

-   if (this.eat(__acorn.tokTypes.semi) && this.tok.type !== __acorn.tokTypes.semi) { node.test = this.parseExpression(); }

-   if (this.eat(__acorn.tokTypes.semi) && this.tok.type !== __acorn.tokTypes.parenR) { node.update = this.parseExpression(); }

-   this.popCx();

-   this.expect(__acorn.tokTypes.parenR);

-   node.body = this.parseStatement();

-   return this.finishNode(node, "ForStatement")

- };

- lp$1.parseForIn = function(node, init) {

-   var type = this.tok.type === __acorn.tokTypes._in ? "ForInStatement" : "ForOfStatement";

-   this.next();

-   node.left = init;

-   node.right = this.parseExpression();

-   this.popCx();

-   this.expect(__acorn.tokTypes.parenR);

-   node.body = this.parseStatement();

-   return this.finishNode(node, type)

- };

- lp$1.parseVar = function(noIn, kind) {

-   var this$1 = this;

-   var node = this.startNode();

-   node.kind = kind;

-   this.next();

-   node.declarations = [];

-   do {

-     var decl = this$1.startNode();

-     decl.id = this$1.options.ecmaVersion >= 6 ? this$1.toAssignable(this$1.parseExprAtom(), true) : this$1.parseIdent();

-     decl.init = this$1.eat(__acorn.tokTypes.eq) ? this$1.parseMaybeAssign(noIn) : null;

-     node.declarations.push(this$1.finishNode(decl, "VariableDeclarator"));

-   } while (this.eat(__acorn.tokTypes.comma))

-   if (!node.declarations.length) {

-     var decl$1 = this.startNode();

-     decl$1.id = this.dummyIdent();

-     node.declarations.push(this.finishNode(decl$1, "VariableDeclarator"));

-   }

-   if (!noIn) { this.semicolon(); }

-   return this.finishNode(node, "VariableDeclaration")

- };

- lp$1.parseClass = function(isStatement) {

-   var this$1 = this;

-   var node = this.startNode();

-   this.next();

-   if (this.tok.type === __acorn.tokTypes.name) { node.id = this.parseIdent(); }

-   else if (isStatement === true) { node.id = this.dummyIdent(); }

-   else { node.id = null; }

-   node.superClass = this.eat(__acorn.tokTypes._extends) ? this.parseExpression() : null;

-   node.body = this.startNode();

-   node.body.body = [];

-   this.pushCx();

-   var indent = this.curIndent + 1, line = this.curLineStart;

-   this.eat(__acorn.tokTypes.braceL);

-   if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart; }

-   while (!this.closes(__acorn.tokTypes.braceR, indent, line)) {

-     if (this$1.semicolon()) { continue }

-     var method = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0);

-     if (this$1.options.ecmaVersion >= 6) {

-       method.static = false;

-       isGenerator = this$1.eat(__acorn.tokTypes.star);

-     }

-     this$1.parsePropertyName(method);

-     if (isDummy(method.key)) { if (isDummy(this$1.parseMaybeAssign())) { this$1.next(); } this$1.eat(__acorn.tokTypes.comma); continue }

-     if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" &&

-         (this$1.tok.type != __acorn.tokTypes.parenL && this$1.tok.type != __acorn.tokTypes.braceL)) {

-       method.static = true;

-       isGenerator = this$1.eat(__acorn.tokTypes.star);

-       this$1.parsePropertyName(method);

-     } else {

-       method.static = false;

-     }

-     if (!method.computed &&

-         method.key.type === "Identifier" && method.key.name === "async" && this$1.tok.type !== __acorn.tokTypes.parenL &&

-         !this$1.canInsertSemicolon()) {

-       this$1.parsePropertyName(method);

-       isAsync = true;

-     } else {

-       isAsync = false;

-     }

-     if (this$1.options.ecmaVersion >= 5 && method.key.type === "Identifier" &&

-         !method.computed && (method.key.name === "get" || method.key.name === "set") &&

-         this$1.tok.type !== __acorn.tokTypes.parenL && this$1.tok.type !== __acorn.tokTypes.braceL) {

-       method.kind = method.key.name;

-       this$1.parsePropertyName(method);

-       method.value = this$1.parseMethod(false);

-     } else {

-       if (!method.computed && !method.static && !isGenerator && !isAsync && (

-         method.key.type === "Identifier" && method.key.name === "constructor" ||

-           method.key.type === "Literal" && method.key.value === "constructor")) {

-         method.kind = "constructor";

-       } else {

-         method.kind = "method";

-       }

-       method.value = this$1.parseMethod(isGenerator, isAsync);

-     }

-     node.body.body.push(this$1.finishNode(method, "MethodDefinition"));

-   }

-   this.popCx();

-   if (!this.eat(__acorn.tokTypes.braceR)) {

-     // If there is no closing brace, make the node span to the start

-     // of the next token (this is useful for Tern)

-     this.last.end = this.tok.start;

-     if (this.options.locations) { this.last.loc.end = this.tok.loc.start; }

-   }

-   this.semicolon();

-   this.finishNode(node.body, "ClassBody");

-   return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")

- };

- lp$1.parseFunction = function(node, isStatement, isAsync) {

-   var oldInAsync = this.inAsync;

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 6) {

-     node.generator = this.eat(__acorn.tokTypes.star);

-   }

-   if (this.options.ecmaVersion >= 8) {

-     node.async = !!isAsync;

-   }

-   if (this.tok.type === __acorn.tokTypes.name) { node.id = this.parseIdent(); }

-   else if (isStatement === true) { node.id = this.dummyIdent(); }

-   this.inAsync = node.async;

-   node.params = this.parseFunctionParams();

-   node.body = this.parseBlock();

-   this.inAsync = oldInAsync;

-   return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")

- };

- lp$1.parseExport = function() {

-   var node = this.startNode();

-   this.next();

-   if (this.eat(__acorn.tokTypes.star)) {

-     node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString();

-     return this.finishNode(node, "ExportAllDeclaration")

-   }

-   if (this.eat(__acorn.tokTypes._default)) {

-     // export default (function foo() {}) // This is FunctionExpression.

-     var isAsync;

-     if (this.tok.type === __acorn.tokTypes._function || (isAsync = this.toks.isAsyncFunction())) {

-       var fNode = this.startNode();

-       this.next();

-       if (isAsync) { this.next(); }

-       node.declaration = this.parseFunction(fNode, "nullableID", isAsync);

-     } else if (this.tok.type === __acorn.tokTypes._class) {

-       node.declaration = this.parseClass("nullableID");

-     } else {

-       node.declaration = this.parseMaybeAssign();

-       this.semicolon();

-     }

-     return this.finishNode(node, "ExportDefaultDeclaration")

-   }

-   if (this.tok.type.keyword || this.toks.isLet() || this.toks.isAsyncFunction()) {

-     node.declaration = this.parseStatement();

-     node.specifiers = [];

-     node.source = null;

-   } else {

-     node.declaration = null;

-     node.specifiers = this.parseExportSpecifierList();

-     node.source = this.eatContextual("from") ? this.parseExprAtom() : null;

-     this.semicolon();

-   }

-   return this.finishNode(node, "ExportNamedDeclaration")

- };

- lp$1.parseImport = function() {

-   var node = this.startNode();

-   this.next();

-   if (this.tok.type === __acorn.tokTypes.string) {

-     node.specifiers = [];

-     node.source = this.parseExprAtom();

-     node.kind = "";

-   } else {

-     var elt;

-     if (this.tok.type === __acorn.tokTypes.name && this.tok.value !== "from") {

-       elt = this.startNode();

-       elt.local = this.parseIdent();

-       this.finishNode(elt, "ImportDefaultSpecifier");

-       this.eat(__acorn.tokTypes.comma);

-     }

-     node.specifiers = this.parseImportSpecifierList();

-     node.source = this.eatContextual("from") && this.tok.type == __acorn.tokTypes.string ? this.parseExprAtom() : this.dummyString();

-     if (elt) { node.specifiers.unshift(elt); }

-   }

-   this.semicolon();

-   return this.finishNode(node, "ImportDeclaration")

- };

- lp$1.parseImportSpecifierList = function() {

-   var this$1 = this;

-   var elts = [];

-   if (this.tok.type === __acorn.tokTypes.star) {

-     var elt = this.startNode();

-     this.next();

-     elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent();

-     elts.push(this.finishNode(elt, "ImportNamespaceSpecifier"));

-   } else {

-     var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart;

-     this.pushCx();

-     this.eat(__acorn.tokTypes.braceL);

-     if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; }

-     while (!this.closes(__acorn.tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {

-       var elt$1 = this$1.startNode();

-       if (this$1.eat(__acorn.tokTypes.star)) {

-         elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : this$1.dummyIdent();

-         this$1.finishNode(elt$1, "ImportNamespaceSpecifier");

-       } else {

-         if (this$1.isContextual("from")) { break }

-         elt$1.imported = this$1.parseIdent();

-         if (isDummy(elt$1.imported)) { break }

-         elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : elt$1.imported;

-         this$1.finishNode(elt$1, "ImportSpecifier");

-       }

-       elts.push(elt$1);

-       this$1.eat(__acorn.tokTypes.comma);

-     }

-     this.eat(__acorn.tokTypes.braceR);

-     this.popCx();

-   }

-   return elts

- };

- lp$1.parseExportSpecifierList = function() {

-   var this$1 = this;

-   var elts = [];

-   var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart;

-   this.pushCx();

-   this.eat(__acorn.tokTypes.braceL);

-   if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; }

-   while (!this.closes(__acorn.tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {

-     if (this$1.isContextual("from")) { break }

-     var elt = this$1.startNode();

-     elt.local = this$1.parseIdent();

-     if (isDummy(elt.local)) { break }

-     elt.exported = this$1.eatContextual("as") ? this$1.parseIdent() : elt.local;

-     this$1.finishNode(elt, "ExportSpecifier");

-     elts.push(elt);

-     this$1.eat(__acorn.tokTypes.comma);

-   }

-   this.eat(__acorn.tokTypes.braceR);

-   this.popCx();

-   return elts

- };

- var lp$2 = LooseParser.prototype;

- lp$2.checkLVal = function(expr) {

-   if (!expr) { return expr }

-   switch (expr.type) {

-   case "Identifier":

-   case "MemberExpression":

-     return expr

-   case "ParenthesizedExpression":

-     expr.expression = this.checkLVal(expr.expression);

-     return expr

-   default:

-     return this.dummyIdent()

-   }

- };

- lp$2.parseExpression = function(noIn) {

-   var this$1 = this;

-   var start = this.storeCurrentPos();

-   var expr = this.parseMaybeAssign(noIn);

-   if (this.tok.type === __acorn.tokTypes.comma) {

-     var node = this.startNodeAt(start);

-     node.expressions = [expr];

-     while (this.eat(__acorn.tokTypes.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn)); }

-     return this.finishNode(node, "SequenceExpression")

-   }

-   return expr

- };

- lp$2.parseParenExpression = function() {

-   this.pushCx();

-   this.expect(__acorn.tokTypes.parenL);

-   var val = this.parseExpression();

-   this.popCx();

-   this.expect(__acorn.tokTypes.parenR);

-   return val

- };

- lp$2.parseMaybeAssign = function(noIn) {

-   if (this.toks.isContextual("yield")) {

-     var node = this.startNode();

-     this.next();

-     if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != __acorn.tokTypes.star && !this.tok.type.startsExpr)) {

-       node.delegate = false;

-       node.argument = null;

-     } else {

-       node.delegate = this.eat(__acorn.tokTypes.star);

-       node.argument = this.parseMaybeAssign();

-     }

-     return this.finishNode(node, "YieldExpression")

-   }

-   var start = this.storeCurrentPos();

-   var left = this.parseMaybeConditional(noIn);

-   if (this.tok.type.isAssign) {

-     var node$1 = this.startNodeAt(start);

-     node$1.operator = this.tok.value;

-     node$1.left = this.tok.type === __acorn.tokTypes.eq ? this.toAssignable(left) : this.checkLVal(left);

-     this.next();

-     node$1.right = this.parseMaybeAssign(noIn);

-     return this.finishNode(node$1, "AssignmentExpression")

-   }

-   return left

- };

- lp$2.parseMaybeConditional = function(noIn) {

-   var start = this.storeCurrentPos();

-   var expr = this.parseExprOps(noIn);

-   if (this.eat(__acorn.tokTypes.question)) {

-     var node = this.startNodeAt(start);

-     node.test = expr;

-     node.consequent = this.parseMaybeAssign();

-     node.alternate = this.expect(__acorn.tokTypes.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent();

-     return this.finishNode(node, "ConditionalExpression")

-   }

-   return expr

- };

- lp$2.parseExprOps = function(noIn) {

-   var start = this.storeCurrentPos();

-   var indent = this.curIndent, line = this.curLineStart;

-   return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line)

- };

- lp$2.parseExprOp = function(left, start, minPrec, noIn, indent, line) {

-   if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) { return left }

-   var prec = this.tok.type.binop;

-   if (prec != null && (!noIn || this.tok.type !== __acorn.tokTypes._in)) {

-     if (prec > minPrec) {

-       var node = this.startNodeAt(start);

-       node.left = left;

-       node.operator = this.tok.value;

-       this.next();

-       if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) {

-         node.right = this.dummyIdent();

-       } else {

-         var rightStart = this.storeCurrentPos();

-         node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line);

-       }

-       this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression");

-       return this.parseExprOp(node, start, minPrec, noIn, indent, line)

-     }

-   }

-   return left

- };

- lp$2.parseMaybeUnary = function(sawUnary) {

-   var this$1 = this;

-   var start = this.storeCurrentPos(), expr;

-   if (this.options.ecmaVersion >= 8 && this.inAsync && this.toks.isContextual("await")) {

-     expr = this.parseAwait();

-     sawUnary = true;

-   } else if (this.tok.type.prefix) {

-     var node = this.startNode(), update = this.tok.type === __acorn.tokTypes.incDec;

-     if (!update) { sawUnary = true; }

-     node.operator = this.tok.value;

-     node.prefix = true;

-     this.next();

-     node.argument = this.parseMaybeUnary(true);

-     if (update) { node.argument = this.checkLVal(node.argument); }

-     expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");

-   } else if (this.tok.type === __acorn.tokTypes.ellipsis) {

-     var node$1 = this.startNode();

-     this.next();

-     node$1.argument = this.parseMaybeUnary(sawUnary);

-     expr = this.finishNode(node$1, "SpreadElement");

-   } else {

-     expr = this.parseExprSubscripts();

-     while (this.tok.type.postfix && !this.canInsertSemicolon()) {

-       var node$2 = this$1.startNodeAt(start);

-       node$2.operator = this$1.tok.value;

-       node$2.prefix = false;

-       node$2.argument = this$1.checkLVal(expr);

-       this$1.next();

-       expr = this$1.finishNode(node$2, "UpdateExpression");

-     }

-   }

-   if (!sawUnary && this.eat(__acorn.tokTypes.starstar)) {

-     var node$3 = this.startNodeAt(start);

-     node$3.operator = "**";

-     node$3.left = expr;

-     node$3.right = this.parseMaybeUnary(false);

-     return this.finishNode(node$3, "BinaryExpression")

-   }

-   return expr

- };

- lp$2.parseExprSubscripts = function() {

-   var start = this.storeCurrentPos();

-   return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart)

- };

- lp$2.parseSubscripts = function(base, start, noCalls, startIndent, line) {

-   var this$1 = this;

-   for (;;) {

-     if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine()) {

-       if (this$1.tok.type == __acorn.tokTypes.dot && this$1.curIndent == startIndent)

-         { --startIndent; }

-       else

-         { return base }

-     }

-     var maybeAsyncArrow = base.type === "Identifier" && base.name === "async" && !this$1.canInsertSemicolon();

-     if (this$1.eat(__acorn.tokTypes.dot)) {

-       var node = this$1.startNodeAt(start);

-       node.object = base;

-       if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine())

-         { node.property = this$1.dummyIdent(); }

-       else

-         { node.property = this$1.parsePropertyAccessor() || this$1.dummyIdent(); }

-       node.computed = false;

-       base = this$1.finishNode(node, "MemberExpression");

-     } else if (this$1.tok.type == __acorn.tokTypes.bracketL) {

-       this$1.pushCx();

-       this$1.next();

-       var node$1 = this$1.startNodeAt(start);

-       node$1.object = base;

-       node$1.property = this$1.parseExpression();

-       node$1.computed = true;

-       this$1.popCx();

-       this$1.expect(__acorn.tokTypes.bracketR);

-       base = this$1.finishNode(node$1, "MemberExpression");

-     } else if (!noCalls && this$1.tok.type == __acorn.tokTypes.parenL) {

-       var exprList = this$1.parseExprList(__acorn.tokTypes.parenR);

-       if (maybeAsyncArrow && this$1.eat(__acorn.tokTypes.arrow))

-         { return this$1.parseArrowExpression(this$1.startNodeAt(start), exprList, true) }

-       var node$2 = this$1.startNodeAt(start);

-       node$2.callee = base;

-       node$2.arguments = exprList;

-       base = this$1.finishNode(node$2, "CallExpression");

-     } else if (this$1.tok.type == __acorn.tokTypes.backQuote) {

-       var node$3 = this$1.startNodeAt(start);

-       node$3.tag = base;

-       node$3.quasi = this$1.parseTemplate();

-       base = this$1.finishNode(node$3, "TaggedTemplateExpression");

-     } else {

-       return base

-     }

-   }

- };

- lp$2.parseExprAtom = function() {

-   var node;

-   switch (this.tok.type) {

-   case __acorn.tokTypes._this:

-   case __acorn.tokTypes._super:

-     var type = this.tok.type === __acorn.tokTypes._this ? "ThisExpression" : "Super";

-     node = this.startNode();

-     this.next();

-     return this.finishNode(node, type)

-   case __acorn.tokTypes.name:

-     var start = this.storeCurrentPos();

-     var id = this.parseIdent();

-     var isAsync = false;

-     if (id.name === "async" && !this.canInsertSemicolon()) {

-       if (this.eat(__acorn.tokTypes._function))

-         { return this.parseFunction(this.startNodeAt(start), false, true) }

-       if (this.tok.type === __acorn.tokTypes.name) {

-         id = this.parseIdent();

-         isAsync = true;

-       }

-     }

-     return this.eat(__acorn.tokTypes.arrow) ? this.parseArrowExpression(this.startNodeAt(start), [id], isAsync) : id

-   case __acorn.tokTypes.regexp:

-     node = this.startNode();

-     var val = this.tok.value;

-     node.regex = {pattern: val.pattern, flags: val.flags};

-     node.value = val.value;

-     node.raw = this.input.slice(this.tok.start, this.tok.end);

-     this.next();

-     return this.finishNode(node, "Literal")

-   case __acorn.tokTypes.num: case __acorn.tokTypes.string:

-     node = this.startNode();

-     node.value = this.tok.value;

-     node.raw = this.input.slice(this.tok.start, this.tok.end);

-     this.next();

-     return this.finishNode(node, "Literal")

-   case __acorn.tokTypes._null: case __acorn.tokTypes._true: case __acorn.tokTypes._false:

-     node = this.startNode();

-     node.value = this.tok.type === __acorn.tokTypes._null ? null : this.tok.type === __acorn.tokTypes._true;

-     node.raw = this.tok.type.keyword;

-     this.next();

-     return this.finishNode(node, "Literal")

-   case __acorn.tokTypes.parenL:

-     var parenStart = this.storeCurrentPos();

-     this.next();

-     var inner = this.parseExpression();

-     this.expect(__acorn.tokTypes.parenR);

-     if (this.eat(__acorn.tokTypes.arrow)) {

-       // (a,)=>a // SequenceExpression makes dummy in the last hole. Drop the dummy.

-       var params = inner.expressions || [inner];

-       if (params.length && isDummy(params[params.length - 1]))

-         { params.pop(); }

-       return this.parseArrowExpression(this.startNodeAt(parenStart), params)

-     }

-     if (this.options.preserveParens) {

-       var par = this.startNodeAt(parenStart);

-       par.expression = inner;

-       inner = this.finishNode(par, "ParenthesizedExpression");

-     }

-     return inner

-   case __acorn.tokTypes.bracketL:

-     node = this.startNode();

-     node.elements = this.parseExprList(__acorn.tokTypes.bracketR, true);

-     return this.finishNode(node, "ArrayExpression")

-   case __acorn.tokTypes.braceL:

-     return this.parseObj()

-   case __acorn.tokTypes._class:

-     return this.parseClass(false)

-   case __acorn.tokTypes._function:

-     node = this.startNode();

-     this.next();

-     return this.parseFunction(node, false)

-   case __acorn.tokTypes._new:

-     return this.parseNew()

-   case __acorn.tokTypes.backQuote:

-     return this.parseTemplate()

-   default:

-     return this.dummyIdent()

-   }

- };

- lp$2.parseNew = function() {

-   var node = this.startNode(), startIndent = this.curIndent, line = this.curLineStart;

-   var meta = this.parseIdent(true);

-   if (this.options.ecmaVersion >= 6 && this.eat(__acorn.tokTypes.dot)) {

-     node.meta = meta;

-     node.property = this.parseIdent(true);

-     return this.finishNode(node, "MetaProperty")

-   }

-   var start = this.storeCurrentPos();

-   node.callee = this.parseSubscripts(this.parseExprAtom(), start, true, startIndent, line);

-   if (this.tok.type == __acorn.tokTypes.parenL) {

-     node.arguments = this.parseExprList(__acorn.tokTypes.parenR);

-   } else {

-     node.arguments = [];

-   }

-   return this.finishNode(node, "NewExpression")

- };

- lp$2.parseTemplateElement = function() {

-   var elem = this.startNode();

-   // The loose parser accepts invalid unicode escapes even in untagged templates.

-   if (this.tok.type === __acorn.tokTypes.invalidTemplate) {

-     elem.value = {

-       raw: this.tok.value,

-       cooked: null

-     };

-   } else {

-     elem.value = {

-       raw: this.input.slice(this.tok.start, this.tok.end).replace(/\r\n?/g, "\n"),

-       cooked: this.tok.value

-     };

-   }

-   this.next();

-   elem.tail = this.tok.type === __acorn.tokTypes.backQuote;

-   return this.finishNode(elem, "TemplateElement")

- };

- lp$2.parseTemplate = function() {

-   var this$1 = this;

-   var node = this.startNode();

-   this.next();

-   node.expressions = [];

-   var curElt = this.parseTemplateElement();

-   node.quasis = [curElt];

-   while (!curElt.tail) {

-     this$1.next();

-     node.expressions.push(this$1.parseExpression());

-     if (this$1.expect(__acorn.tokTypes.braceR)) {

-       curElt = this$1.parseTemplateElement();

-     } else {

-       curElt = this$1.startNode();

-       curElt.value = {cooked: "", raw: ""};

-       curElt.tail = true;

-       this$1.finishNode(curElt, "TemplateElement");

-     }

-     node.quasis.push(curElt);

-   }

-   this.expect(__acorn.tokTypes.backQuote);

-   return this.finishNode(node, "TemplateLiteral")

- };

- lp$2.parseObj = function() {

-   var this$1 = this;

-   var node = this.startNode();

-   node.properties = [];

-   this.pushCx();

-   var indent = this.curIndent + 1, line = this.curLineStart;

-   this.eat(__acorn.tokTypes.braceL);

-   if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart; }

-   while (!this.closes(__acorn.tokTypes.braceR, indent, line)) {

-     var prop = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0), start = (void 0);

-     if (this$1.options.ecmaVersion >= 6) {

-       start = this$1.storeCurrentPos();

-       prop.method = false;

-       prop.shorthand = false;

-       isGenerator = this$1.eat(__acorn.tokTypes.star);

-     }

-     this$1.parsePropertyName(prop);

-     if (this$1.toks.isAsyncProp(prop)) {

-       this$1.parsePropertyName(prop);

-       isAsync = true;

-     } else {

-       isAsync = false;

-     }

-     if (isDummy(prop.key)) { if (isDummy(this$1.parseMaybeAssign())) { this$1.next(); } this$1.eat(__acorn.tokTypes.comma); continue }

-     if (this$1.eat(__acorn.tokTypes.colon)) {

-       prop.kind = "init";

-       prop.value = this$1.parseMaybeAssign();

-     } else if (this$1.options.ecmaVersion >= 6 && (this$1.tok.type === __acorn.tokTypes.parenL || this$1.tok.type === __acorn.tokTypes.braceL)) {

-       prop.kind = "init";

-       prop.method = true;

-       prop.value = this$1.parseMethod(isGenerator, isAsync);

-     } else if (this$1.options.ecmaVersion >= 5 && prop.key.type === "Identifier" &&

-                !prop.computed && (prop.key.name === "get" || prop.key.name === "set") &&

-                (this$1.tok.type != __acorn.tokTypes.comma && this$1.tok.type != __acorn.tokTypes.braceR)) {

-       prop.kind = prop.key.name;

-       this$1.parsePropertyName(prop);

-       prop.value = this$1.parseMethod(false);

-     } else {

-       prop.kind = "init";

-       if (this$1.options.ecmaVersion >= 6) {

-         if (this$1.eat(__acorn.tokTypes.eq)) {

-           var assign = this$1.startNodeAt(start);

-           assign.operator = "=";

-           assign.left = prop.key;

-           assign.right = this$1.parseMaybeAssign();

-           prop.value = this$1.finishNode(assign, "AssignmentExpression");

-         } else {

-           prop.value = prop.key;

-         }

-       } else {

-         prop.value = this$1.dummyIdent();

-       }

-       prop.shorthand = true;

-     }

-     node.properties.push(this$1.finishNode(prop, "Property"));

-     this$1.eat(__acorn.tokTypes.comma);

-   }

-   this.popCx();

-   if (!this.eat(__acorn.tokTypes.braceR)) {

-     // If there is no closing brace, make the node span to the start

-     // of the next token (this is useful for Tern)

-     this.last.end = this.tok.start;

-     if (this.options.locations) { this.last.loc.end = this.tok.loc.start; }

-   }

-   return this.finishNode(node, "ObjectExpression")

- };

- lp$2.parsePropertyName = function(prop) {

-   if (this.options.ecmaVersion >= 6) {

-     if (this.eat(__acorn.tokTypes.bracketL)) {

-       prop.computed = true;

-       prop.key = this.parseExpression();

-       this.expect(__acorn.tokTypes.bracketR);

-       return

-     } else {

-       prop.computed = false;

-     }

-   }

-   var key = (this.tok.type === __acorn.tokTypes.num || this.tok.type === __acorn.tokTypes.string) ? this.parseExprAtom() : this.parseIdent();

-   prop.key = key || this.dummyIdent();

- };

- lp$2.parsePropertyAccessor = function() {

-   if (this.tok.type === __acorn.tokTypes.name || this.tok.type.keyword) { return this.parseIdent() }

- };

- lp$2.parseIdent = function() {

-   var name = this.tok.type === __acorn.tokTypes.name ? this.tok.value : this.tok.type.keyword;

-   if (!name) { return this.dummyIdent() }

-   var node = this.startNode();

-   this.next();

-   node.name = name;

-   return this.finishNode(node, "Identifier")

- };

- lp$2.initFunction = function(node) {

-   node.id = null;

-   node.params = [];

-   if (this.options.ecmaVersion >= 6) {

-     node.generator = false;

-     node.expression = false;

-   }

-   if (this.options.ecmaVersion >= 8)

-     { node.async = false; }

- };

- // Convert existing expression atom to assignable pattern

- // if possible.

- lp$2.toAssignable = function(node, binding) {

-   var this$1 = this;

-   if (!node || node.type == "Identifier" || (node.type == "MemberExpression" && !binding)) {

-     // Okay

-   } else if (node.type == "ParenthesizedExpression") {

-     this.toAssignable(node.expression, binding);

-   } else if (this.options.ecmaVersion < 6) {

-     return this.dummyIdent()

-   } else if (node.type == "ObjectExpression") {

-     node.type = "ObjectPattern";

-     var props = node.properties;

-     for (var i = 0, list = props; i < list.length; i += 1)

-       {

-       var prop = list[i];

-       this$1.toAssignable(prop.value, binding);

-     }

-   } else if (node.type == "ArrayExpression") {

-     node.type = "ArrayPattern";

-     this.toAssignableList(node.elements, binding);

-   } else if (node.type == "SpreadElement") {

-     node.type = "RestElement";

-     this.toAssignable(node.argument, binding);

-   } else if (node.type == "AssignmentExpression") {

-     node.type = "AssignmentPattern";

-     delete node.operator;

-   } else {

-     return this.dummyIdent()

-   }

-   return node

- };

- lp$2.toAssignableList = function(exprList, binding) {

-   var this$1 = this;

-   for (var i = 0, list = exprList; i < list.length; i += 1)

-     {

-     var expr = list[i];

-     this$1.toAssignable(expr, binding);

-   }

-   return exprList

- };

- lp$2.parseFunctionParams = function(params) {

-   params = this.parseExprList(__acorn.tokTypes.parenR);

-   return this.toAssignableList(params, true)

- };

- lp$2.parseMethod = function(isGenerator, isAsync) {

-   var node = this.startNode(), oldInAsync = this.inAsync;

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 6)

-     { node.generator = !!isGenerator; }

-   if (this.options.ecmaVersion >= 8)

-     { node.async = !!isAsync; }

-   this.inAsync = node.async;

-   node.params = this.parseFunctionParams();

-   node.expression = this.options.ecmaVersion >= 6 && this.tok.type !== __acorn.tokTypes.braceL;

-   node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock();

-   this.inAsync = oldInAsync;

-   return this.finishNode(node, "FunctionExpression")

- };

- lp$2.parseArrowExpression = function(node, params, isAsync) {

-   var oldInAsync = this.inAsync;

-   this.initFunction(node);

-   if (this.options.ecmaVersion >= 8)

-     { node.async = !!isAsync; }

-   this.inAsync = node.async;

-   node.params = this.toAssignableList(params, true);

-   node.expression = this.tok.type !== __acorn.tokTypes.braceL;

-   node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock();

-   this.inAsync = oldInAsync;

-   return this.finishNode(node, "ArrowFunctionExpression")

- };

- lp$2.parseExprList = function(close, allowEmpty) {

-   var this$1 = this;

-   this.pushCx();

-   var indent = this.curIndent, line = this.curLineStart, elts = [];

-   this.next(); // Opening bracket

-   while (!this.closes(close, indent + 1, line)) {

-     if (this$1.eat(__acorn.tokTypes.comma)) {

-       elts.push(allowEmpty ? null : this$1.dummyIdent());

-       continue

-     }

-     var elt = this$1.parseMaybeAssign();

-     if (isDummy(elt)) {

-       if (this$1.closes(close, indent, line)) { break }

-       this$1.next();

-     } else {

-       elts.push(elt);

-     }

-     this$1.eat(__acorn.tokTypes.comma);

-   }

-   this.popCx();

-   if (!this.eat(close)) {

-     // If there is no closing brace, make the node span to the start

-     // of the next token (this is useful for Tern)

-     this.last.end = this.tok.start;

-     if (this.options.locations) { this.last.loc.end = this.tok.loc.start; }

-   }

-   return elts

- };

- lp$2.parseAwait = function() {

-   var node = this.startNode();

-   this.next();

-   node.argument = this.parseMaybeUnary();

-   return this.finishNode(node, "AwaitExpression")

- };

- // Acorn: Loose parser

- //

- // This module provides an alternative parser (`parse_dammit`) that

- // exposes that same interface as `parse`, but will try to parse

- // anything as JavaScript, repairing syntax error the best it can.

- // There are circumstances in which it will raise an error and give

- // up, but they are very rare. The resulting AST will be a mostly

- // valid JavaScript AST (as per the [Mozilla parser API][api], except

- // that:

- //

- // - Return outside functions is allowed

- //

- // - Label consistency (no conflicts, break only to existing labels)

- //   is not enforced.

- //

- // - Bogus Identifier nodes with a name of `"✖"` are inserted whenever

- //   the parser got too confused to return anything meaningful.

- //

- // [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API

- //

- // The expected use for this is to *first* try `acorn.parse`, and only

- // if that fails switch to `parse_dammit`. The loose parser might

- // parse badly indented code incorrectly, so **don't** use it as

- // your default parser.

- //

- // Quite a lot of acorn.js is duplicated here. The alternative was to

- // add a *lot* of extra cruft to that file, making it less readable

- // and slower. Copying and editing the code allowed me to make

- // invasive changes and simplifications without creating a complicated

- // tangle.

- __acorn.defaultOptions.tabSize = 4;

- // eslint-disable-next-line camelcase

- function parse_dammit(input, options) {

-   return new LooseParser(input, options).parse()

- }

- __acorn.addLooseExports(parse_dammit, LooseParser, pluginsLoose);

- exports.parse_dammit = parse_dammit;

- exports.LooseParser = LooseParser;

- exports.pluginsLoose = pluginsLoose;

- Object.defineProperty(exports, '__esModule', { value: true });

- })));

- },{"./acorn":2}],4:[function(require,module,exports){

- (function (global, factory) {

- 	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :

- 	typeof define === 'function' && define.amd ? define(['exports'], factory) :

- 	(factory((global.acorn = global.acorn || {}, global.acorn.walk = global.acorn.walk || {})));

- }(this, (function (exports) { 'use strict';

- // AST walker module for Mozilla Parser API compatible trees

- // A simple walk is one where you simply specify callbacks to be

- // called on specific nodes. The last two arguments are optional. A

- // simple use would be

- //

- //     walk.simple(myTree, {

- //         Expression: function(node) { ... }

- //     });

- //

- // to do something with all expressions. All Parser API node types

- // can be used to identify node types, as well as Expression,

- // Statement, and ScopeBody, which denote categories of nodes.

- //

- // The base argument can be used to pass a custom (recursive)

- // walker, and state can be used to give this walked an initial

- // state.

- function simple(node, visitors, base, state, override) {

-   if (!base) { base = exports.base

-   ; }(function c(node, st, override) {

-     var type = override || node.type, found = visitors[type];

-     base[type](node, st, c);

-     if (found) { found(node, st); }

-   })(node, state, override);

- }

- // An ancestor walk keeps an array of ancestor nodes (including the

- // current node) and passes them to the callback as third parameter

- // (and also as state parameter when no other state is present).

- function ancestor(node, visitors, base, state) {

-   if (!base) { base = exports.base; }

-   var ancestors = [];(function c(node, st, override) {

-     var type = override || node.type, found = visitors[type];

-     var isNew = node != ancestors[ancestors.length - 1];

-     if (isNew) { ancestors.push(node); }

-     base[type](node, st, c);

-     if (found) { found(node, st || ancestors, ancestors); }

-     if (isNew) { ancestors.pop(); }

-   })(node, state);

- }

- // A recursive walk is one where your functions override the default

- // walkers. They can modify and replace the state parameter that's

- // threaded through the walk, and can opt how and whether to walk

- // their child nodes (by calling their third argument on these

- // nodes).

- function recursive(node, state, funcs, base, override) {

-   var visitor = funcs ? exports.make(funcs, base) : base;(function c(node, st, override) {

-     visitor[override || node.type](node, st, c);

-   })(node, state, override);

- }

- function makeTest(test) {

-   if (typeof test == "string")

-     { return function (type) { return type == test; } }

-   else if (!test)

-     { return function () { return true; } }

-   else

-     { return test }

- }

- var Found = function Found(node, state) { this.node = node; this.state = state; };

- // A full walk triggers the callback on each node

- function full(node, callback, base, state, override) {

-   if (!base) { base = exports.base

-   ; }(function c(node, st, override) {

-     var type = override || node.type;

-     base[type](node, st, c);

-     callback(node, st, type);

-   })(node, state, override);

- }

- // An fullAncestor walk is like an ancestor walk, but triggers

- // the callback on each node

- function fullAncestor(node, callback, base, state) {

-   if (!base) { base = exports.base; }

-   var ancestors = [];(function c(node, st, override) {

-     var type = override || node.type;

-     var isNew = node != ancestors[ancestors.length - 1];

-     if (isNew) { ancestors.push(node); }

-     base[type](node, st, c);

-     callback(node, st || ancestors, ancestors, type);

-     if (isNew) { ancestors.pop(); }

-   })(node, state);

- }

- // Find a node with a given start, end, and type (all are optional,

- // null can be used as wildcard). Returns a {node, state} object, or

- // undefined when it doesn't find a matching node.

- function findNodeAt(node, start, end, test, base, state) {

-   test = makeTest(test);

-   if (!base) { base = exports.base; }

-   try {

-     (function c(node, st, override) {

-       var type = override || node.type;

-       if ((start == null || node.start <= start) &&

-           (end == null || node.end >= end))

-         { base[type](node, st, c); }

-       if ((start == null || node.start == start) &&

-           (end == null || node.end == end) &&

-           test(type, node))

-         { throw new Found(node, st) }

-     })(node, state);

-   } catch (e) {

-     if (e instanceof Found) { return e }

-     throw e

-   }

- }

- // Find the innermost node of a given type that contains the given

- // position. Interface similar to findNodeAt.

- function findNodeAround(node, pos, test, base, state) {

-   test = makeTest(test);

-   if (!base) { base = exports.base; }

-   try {

-     (function c(node, st, override) {

-       var type = override || node.type;

-       if (node.start > pos || node.end < pos) { return }

-       base[type](node, st, c);

-       if (test(type, node)) { throw new Found(node, st) }

-     })(node, state);

-   } catch (e) {

-     if (e instanceof Found) { return e }

-     throw e

-   }

- }

- // Find the outermost matching node after a given position.

- function findNodeAfter(node, pos, test, base, state) {

-   test = makeTest(test);

-   if (!base) { base = exports.base; }

-   try {

-     (function c(node, st, override) {

-       if (node.end < pos) { return }

-       var type = override || node.type;

-       if (node.start >= pos && test(type, node)) { throw new Found(node, st) }

-       base[type](node, st, c);

-     })(node, state);

-   } catch (e) {

-     if (e instanceof Found) { return e }

-     throw e

-   }

- }

- // Find the outermost matching node before a given position.

- function findNodeBefore(node, pos, test, base, state) {

-   test = makeTest(test);

-   if (!base) { base = exports.base; }

-   var max;(function c(node, st, override) {

-     if (node.start > pos) { return }

-     var type = override || node.type;

-     if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node))

-       { max = new Found(node, st); }

-     base[type](node, st, c);

-   })(node, state);

-   return max

- }

- // Fallback to an Object.create polyfill for older environments.

- var create = Object.create || function(proto) {

-   function Ctor() {}

-   Ctor.prototype = proto;

-   return new Ctor

- };

- // Used to create a custom walker. Will fill in all missing node

- // type properties with the defaults.

- function make(funcs, base) {

-   if (!base) { base = exports.base; }

-   var visitor = create(base);

-   for (var type in funcs) { visitor[type] = funcs[type]; }

-   return visitor

- }

- function skipThrough(node, st, c) { c(node, st); }

- function ignore(_node, _st, _c) {}

- // Node walkers.

- var base = {};

- base.Program = base.BlockStatement = function (node, st, c) {

-   for (var i = 0, list = node.body; i < list.length; i += 1)

-     {

-     var stmt = list[i];

-     c(stmt, st, "Statement");

-   }

- };

- base.Statement = skipThrough;

- base.EmptyStatement = ignore;

- base.ExpressionStatement = base.ParenthesizedExpression =

-   function (node, st, c) { return c(node.expression, st, "Expression"); };

- base.IfStatement = function (node, st, c) {

-   c(node.test, st, "Expression");

-   c(node.consequent, st, "Statement");

-   if (node.alternate) { c(node.alternate, st, "Statement"); }

- };

- base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); };

- base.BreakStatement = base.ContinueStatement = ignore;

- base.WithStatement = function (node, st, c) {

-   c(node.object, st, "Expression");

-   c(node.body, st, "Statement");

- };

- base.SwitchStatement = function (node, st, c) {

-   c(node.discriminant, st, "Expression");

-   for (var i = 0, list = node.cases; i < list.length; i += 1) {

-     var cs = list[i];

-     if (cs.test) { c(cs.test, st, "Expression"); }

-     for (var i$1 = 0, list$1 = cs.consequent; i$1 < list$1.length; i$1 += 1)

-       {

-       var cons = list$1[i$1];

-       c(cons, st, "Statement");

-     }

-   }

- };

- base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) {

-   if (node.argument) { c(node.argument, st, "Expression"); }

- };

- base.ThrowStatement = base.SpreadElement =

-   function (node, st, c) { return c(node.argument, st, "Expression"); };

- base.TryStatement = function (node, st, c) {

-   c(node.block, st, "Statement");

-   if (node.handler) { c(node.handler, st); }

-   if (node.finalizer) { c(node.finalizer, st, "Statement"); }

- };

- base.CatchClause = function (node, st, c) {

-   c(node.param, st, "Pattern");

-   c(node.body, st, "ScopeBody");

- };

- base.WhileStatement = base.DoWhileStatement = function (node, st, c) {

-   c(node.test, st, "Expression");

-   c(node.body, st, "Statement");

- };

- base.ForStatement = function (node, st, c) {

-   if (node.init) { c(node.init, st, "ForInit"); }

-   if (node.test) { c(node.test, st, "Expression"); }

-   if (node.update) { c(node.update, st, "Expression"); }

-   c(node.body, st, "Statement");

- };

- base.ForInStatement = base.ForOfStatement = function (node, st, c) {

-   c(node.left, st, "ForInit");

-   c(node.right, st, "Expression");

-   c(node.body, st, "Statement");

- };

- base.ForInit = function (node, st, c) {

-   if (node.type == "VariableDeclaration") { c(node, st); }

-   else { c(node, st, "Expression"); }

- };

- base.DebuggerStatement = ignore;

- base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); };

- base.VariableDeclaration = function (node, st, c) {

-   for (var i = 0, list = node.declarations; i < list.length; i += 1)

-     {

-     var decl = list[i];

-     c(decl, st);

-   }

- };

- base.VariableDeclarator = function (node, st, c) {

-   c(node.id, st, "Pattern");

-   if (node.init) { c(node.init, st, "Expression"); }

- };

- base.Function = function (node, st, c) {

-   if (node.id) { c(node.id, st, "Pattern"); }

-   for (var i = 0, list = node.params; i < list.length; i += 1)

-     {

-     var param = list[i];

-     c(param, st, "Pattern");

-   }

-   c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody");

- };

- // FIXME drop these node types in next major version

- // (They are awkward, and in ES6 every block can be a scope.)

- base.ScopeBody = function (node, st, c) { return c(node, st, "Statement"); };

- base.ScopeExpression = function (node, st, c) { return c(node, st, "Expression"); };

- base.Pattern = function (node, st, c) {

-   if (node.type == "Identifier")

-     { c(node, st, "VariablePattern"); }

-   else if (node.type == "MemberExpression")

-     { c(node, st, "MemberPattern"); }

-   else

-     { c(node, st); }

- };

- base.VariablePattern = ignore;

- base.MemberPattern = skipThrough;

- base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); };

- base.ArrayPattern = function (node, st, c) {

-   for (var i = 0, list = node.elements; i < list.length; i += 1) {

-     var elt = list[i];

-     if (elt) { c(elt, st, "Pattern"); }

-   }

- };

- base.ObjectPattern = function (node, st, c) {

-   for (var i = 0, list = node.properties; i < list.length; i += 1)

-     {

-     var prop = list[i];

-     c(prop.value, st, "Pattern");

-   }

- };

- base.Expression = skipThrough;

- base.ThisExpression = base.Super = base.MetaProperty = ignore;

- base.ArrayExpression = function (node, st, c) {

-   for (var i = 0, list = node.elements; i < list.length; i += 1) {

-     var elt = list[i];

-     if (elt) { c(elt, st, "Expression"); }

-   }

- };

- base.ObjectExpression = function (node, st, c) {

-   for (var i = 0, list = node.properties; i < list.length; i += 1)

-     {

-     var prop = list[i];

-     c(prop, st);

-   }

- };

- base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration;

- base.SequenceExpression = base.TemplateLiteral = function (node, st, c) {

-   for (var i = 0, list = node.expressions; i < list.length; i += 1)

-     {

-     var expr = list[i];

-     c(expr, st, "Expression");

-   }

- };

- base.UnaryExpression = base.UpdateExpression = function (node, st, c) {

-   c(node.argument, st, "Expression");

- };

- base.BinaryExpression = base.LogicalExpression = function (node, st, c) {

-   c(node.left, st, "Expression");

-   c(node.right, st, "Expression");

- };

- base.AssignmentExpression = base.AssignmentPattern = function (node, st, c) {

-   c(node.left, st, "Pattern");

-   c(node.right, st, "Expression");

- };

- base.ConditionalExpression = function (node, st, c) {

-   c(node.test, st, "Expression");

-   c(node.consequent, st, "Expression");

-   c(node.alternate, st, "Expression");

- };

- base.NewExpression = base.CallExpression = function (node, st, c) {

-   c(node.callee, st, "Expression");

-   if (node.arguments)

-     { for (var i = 0, list = node.arguments; i < list.length; i += 1)

-       {

-         var arg = list[i];

-         c(arg, st, "Expression");

-       } }

- };

- base.MemberExpression = function (node, st, c) {

-   c(node.object, st, "Expression");

-   if (node.computed) { c(node.property, st, "Expression"); }

- };

- base.ExportNamedDeclaration = base.ExportDefaultDeclaration = function (node, st, c) {

-   if (node.declaration)

-     { c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression"); }

-   if (node.source) { c(node.source, st, "Expression"); }

- };

- base.ExportAllDeclaration = function (node, st, c) {

-   c(node.source, st, "Expression");

- };

- base.ImportDeclaration = function (node, st, c) {

-   for (var i = 0, list = node.specifiers; i < list.length; i += 1)

-     {

-     var spec = list[i];

-     c(spec, st);

-   }

-   c(node.source, st, "Expression");

- };

- base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore;

- base.TaggedTemplateExpression = function (node, st, c) {

-   c(node.tag, st, "Expression");

-   c(node.quasi, st);

- };

- base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); };

- base.Class = function (node, st, c) {

-   if (node.id) { c(node.id, st, "Pattern"); }

-   if (node.superClass) { c(node.superClass, st, "Expression"); }

-   for (var i = 0, list = node.body.body; i < list.length; i += 1)

-     {

-     var item = list[i];

-     c(item, st);

-   }

- };

- base.MethodDefinition = base.Property = function (node, st, c) {

-   if (node.computed) { c(node.key, st, "Expression"); }

-   c(node.value, st, "Expression");

- };

- exports.simple = simple;

- exports.ancestor = ancestor;

- exports.recursive = recursive;

- exports.full = full;

- exports.fullAncestor = fullAncestor;

- exports.findNodeAt = findNodeAt;

- exports.findNodeAround = findNodeAround;

- exports.findNodeAfter = findNodeAfter;

- exports.findNodeBefore = findNodeBefore;

- exports.make = make;

- exports.base = base;

- Object.defineProperty(exports, '__esModule', { value: true });

- })));

- },{}],5:[function(require,module,exports){

- /*

-  A JavaScript implementation of the SHA family of hashes, as

-  defined in FIPS PUB 180-4 and FIPS PUB 202, as well as the corresponding

-  HMAC implementation as defined in FIPS PUB 198a

-  Copyright Brian Turek 2008-2017

-  Distributed under the BSD License

-  See http://caligatio.github.com/jsSHA/ for more information

-  Several functions taken from Paul Johnston

- */

- 'use strict';(function(Y){function C(c,a,b){var e=0,h=[],n=0,g,l,d,f,m,q,u,r,I=!1,v=[],w=[],t,y=!1,z=!1,x=-1;b=b||{};g=b.encoding||"UTF8";t=b.numRounds||1;if(t!==parseInt(t,10)||1>t)throw Error("numRounds must a integer >= 1");if("SHA-1"===c)m=512,q=K,u=Z,f=160,r=function(a){return a.slice()};else if(0===c.lastIndexOf("SHA-",0))if(q=function(a,b){return L(a,b,c)},u=function(a,b,h,e){var k,f;if("SHA-224"===c||"SHA-256"===c)k=(b+65>>>9<<4)+15,f=16;else if("SHA-384"===c||"SHA-512"===c)k=(b+129>>>10<<

- 5)+31,f=32;else throw Error("Unexpected error in SHA-2 implementation");for(;a.length<=k;)a.push(0);a[b>>>5]|=128<<24-b%32;b=b+h;a[k]=b&4294967295;a[k-1]=b/4294967296|0;h=a.length;for(b=0;b<h;b+=f)e=L(a.slice(b,b+f),e,c);if("SHA-224"===c)a=[e[0],e[1],e[2],e[3],e[4],e[5],e[6]];else if("SHA-256"===c)a=e;else if("SHA-384"===c)a=[e[0].a,e[0].b,e[1].a,e[1].b,e[2].a,e[2].b,e[3].a,e[3].b,e[4].a,e[4].b,e[5].a,e[5].b];else if("SHA-512"===c)a=[e[0].a,e[0].b,e[1].a,e[1].b,e[2].a,e[2].b,e[3].a,e[3].b,e[4].a,

- e[4].b,e[5].a,e[5].b,e[6].a,e[6].b,e[7].a,e[7].b];else throw Error("Unexpected error in SHA-2 implementation");return a},r=function(a){return a.slice()},"SHA-224"===c)m=512,f=224;else if("SHA-256"===c)m=512,f=256;else if("SHA-384"===c)m=1024,f=384;else if("SHA-512"===c)m=1024,f=512;else throw Error("Chosen SHA variant is not supported");else if(0===c.lastIndexOf("SHA3-",0)||0===c.lastIndexOf("SHAKE",0)){var F=6;q=D;r=function(a){var c=[],e;for(e=0;5>e;e+=1)c[e]=a[e].slice();return c};x=1;if("SHA3-224"===

- c)m=1152,f=224;else if("SHA3-256"===c)m=1088,f=256;else if("SHA3-384"===c)m=832,f=384;else if("SHA3-512"===c)m=576,f=512;else if("SHAKE128"===c)m=1344,f=-1,F=31,z=!0;else if("SHAKE256"===c)m=1088,f=-1,F=31,z=!0;else throw Error("Chosen SHA variant is not supported");u=function(a,c,e,b,h){e=m;var k=F,f,g=[],n=e>>>5,l=0,d=c>>>5;for(f=0;f<d&&c>=e;f+=n)b=D(a.slice(f,f+n),b),c-=e;a=a.slice(f);for(c%=e;a.length<n;)a.push(0);f=c>>>3;a[f>>2]^=k<<f%4*8;a[n-1]^=2147483648;for(b=D(a,b);32*g.length<h;){a=b[l%

- 5][l/5|0];g.push(a.b);if(32*g.length>=h)break;g.push(a.a);l+=1;0===64*l%e&&D(null,b)}return g}}else throw Error("Chosen SHA variant is not supported");d=M(a,g,x);l=A(c);this.setHMACKey=function(a,b,h){var k;if(!0===I)throw Error("HMAC key already set");if(!0===y)throw Error("Cannot set HMAC key after calling update");if(!0===z)throw Error("SHAKE is not supported for HMAC");g=(h||{}).encoding||"UTF8";b=M(b,g,x)(a);a=b.binLen;b=b.value;k=m>>>3;h=k/4-1;if(k<a/8){for(b=u(b,a,0,A(c),f);b.length<=h;)b.push(0);

- b[h]&=4294967040}else if(k>a/8){for(;b.length<=h;)b.push(0);b[h]&=4294967040}for(a=0;a<=h;a+=1)v[a]=b[a]^909522486,w[a]=b[a]^1549556828;l=q(v,l);e=m;I=!0};this.update=function(a){var c,b,k,f=0,g=m>>>5;c=d(a,h,n);a=c.binLen;b=c.value;c=a>>>5;for(k=0;k<c;k+=g)f+m<=a&&(l=q(b.slice(k,k+g),l),f+=m);e+=f;h=b.slice(f>>>5);n=a%m;y=!0};this.getHash=function(a,b){var k,g,d,m;if(!0===I)throw Error("Cannot call getHash after setting HMAC key");d=N(b);if(!0===z){if(-1===d.shakeLen)throw Error("shakeLen must be specified in options");

- f=d.shakeLen}switch(a){case "HEX":k=function(a){return O(a,f,x,d)};break;case "B64":k=function(a){return P(a,f,x,d)};break;case "BYTES":k=function(a){return Q(a,f,x)};break;case "ARRAYBUFFER":try{g=new ArrayBuffer(0)}catch(p){throw Error("ARRAYBUFFER not supported by this environment");}k=function(a){return R(a,f,x)};break;default:throw Error("format must be HEX, B64, BYTES, or ARRAYBUFFER");}m=u(h.slice(),n,e,r(l),f);for(g=1;g<t;g+=1)!0===z&&0!==f%32&&(m[m.length-1]&=16777215>>>24-f%32),m=u(m,f,

- 0,A(c),f);return k(m)};this.getHMAC=function(a,b){var k,g,d,p;if(!1===I)throw Error("Cannot call getHMAC without first setting HMAC key");d=N(b);switch(a){case "HEX":k=function(a){return O(a,f,x,d)};break;case "B64":k=function(a){return P(a,f,x,d)};break;case "BYTES":k=function(a){return Q(a,f,x)};break;case "ARRAYBUFFER":try{k=new ArrayBuffer(0)}catch(v){throw Error("ARRAYBUFFER not supported by this environment");}k=function(a){return R(a,f,x)};break;default:throw Error("outputFormat must be HEX, B64, BYTES, or ARRAYBUFFER");

- }g=u(h.slice(),n,e,r(l),f);p=q(w,A(c));p=u(g,f,m,p,f);return k(p)}}function b(c,a){this.a=c;this.b=a}function O(c,a,b,e){var h="";a/=8;var n,g,d;d=-1===b?3:0;for(n=0;n<a;n+=1)g=c[n>>>2]>>>8*(d+n%4*b),h+="0123456789abcdef".charAt(g>>>4&15)+"0123456789abcdef".charAt(g&15);return e.outputUpper?h.toUpperCase():h}function P(c,a,b,e){var h="",n=a/8,g,d,p,f;f=-1===b?3:0;for(g=0;g<n;g+=3)for(d=g+1<n?c[g+1>>>2]:0,p=g+2<n?c[g+2>>>2]:0,p=(c[g>>>2]>>>8*(f+g%4*b)&255)<<16|(d>>>8*(f+(g+1)%4*b)&255)<<8|p>>>8*(f+

- (g+2)%4*b)&255,d=0;4>d;d+=1)8*g+6*d<=a?h+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(p>>>6*(3-d)&63):h+=e.b64Pad;return h}function Q(c,a,b){var e="";a/=8;var h,d,g;g=-1===b?3:0;for(h=0;h<a;h+=1)d=c[h>>>2]>>>8*(g+h%4*b)&255,e+=String.fromCharCode(d);return e}function R(c,a,b){a/=8;var e,h=new ArrayBuffer(a),d,g;g=new Uint8Array(h);d=-1===b?3:0;for(e=0;e<a;e+=1)g[e]=c[e>>>2]>>>8*(d+e%4*b)&255;return h}function N(c){var a={outputUpper:!1,b64Pad:"=",shakeLen:-1};c=c||{};

- a.outputUpper=c.outputUpper||!1;!0===c.hasOwnProperty("b64Pad")&&(a.b64Pad=c.b64Pad);if(!0===c.hasOwnProperty("shakeLen")){if(0!==c.shakeLen%8)throw Error("shakeLen must be a multiple of 8");a.shakeLen=c.shakeLen}if("boolean"!==typeof a.outputUpper)throw Error("Invalid outputUpper formatting option");if("string"!==typeof a.b64Pad)throw Error("Invalid b64Pad formatting option");return a}function M(c,a,b){switch(a){case "UTF8":case "UTF16BE":case "UTF16LE":break;default:throw Error("encoding must be UTF8, UTF16BE, or UTF16LE");

- }switch(c){case "HEX":c=function(a,c,d){var g=a.length,l,p,f,m,q,u;if(0!==g%2)throw Error("String of HEX type must be in byte increments");c=c||[0];d=d||0;q=d>>>3;u=-1===b?3:0;for(l=0;l<g;l+=2){p=parseInt(a.substr(l,2),16);if(isNaN(p))throw Error("String of HEX type contains invalid characters");m=(l>>>1)+q;for(f=m>>>2;c.length<=f;)c.push(0);c[f]|=p<<8*(u+m%4*b)}return{value:c,binLen:4*g+d}};break;case "TEXT":c=function(c,h,d){var g,l,p=0,f,m,q,u,r,t;h=h||[0];d=d||0;q=d>>>3;if("UTF8"===a)for(t=-1===

- b?3:0,f=0;f<c.length;f+=1)for(g=c.charCodeAt(f),l=[],128>g?l.push(g):2048>g?(l.push(192|g>>>6),l.push(128|g&63)):55296>g||57344<=g?l.push(224|g>>>12,128|g>>>6&63,128|g&63):(f+=1,g=65536+((g&1023)<<10|c.charCodeAt(f)&1023),l.push(240|g>>>18,128|g>>>12&63,128|g>>>6&63,128|g&63)),m=0;m<l.length;m+=1){r=p+q;for(u=r>>>2;h.length<=u;)h.push(0);h[u]|=l[m]<<8*(t+r%4*b);p+=1}else if("UTF16BE"===a||"UTF16LE"===a)for(t=-1===b?2:0,l="UTF16LE"===a&&1!==b||"UTF16LE"!==a&&1===b,f=0;f<c.length;f+=1){g=c.charCodeAt(f);

- !0===l&&(m=g&255,g=m<<8|g>>>8);r=p+q;for(u=r>>>2;h.length<=u;)h.push(0);h[u]|=g<<8*(t+r%4*b);p+=2}return{value:h,binLen:8*p+d}};break;case "B64":c=function(a,c,d){var g=0,l,p,f,m,q,u,r,t;if(-1===a.search(/^[a-zA-Z0-9=+\/]+$/))throw Error("Invalid character in base-64 string");p=a.indexOf("=");a=a.replace(/\=/g,"");if(-1!==p&&p<a.length)throw Error("Invalid '=' found in base-64 string");c=c||[0];d=d||0;u=d>>>3;t=-1===b?3:0;for(p=0;p<a.length;p+=4){q=a.substr(p,4);for(f=m=0;f<q.length;f+=1)l="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(q[f]),

- m|=l<<18-6*f;for(f=0;f<q.length-1;f+=1){r=g+u;for(l=r>>>2;c.length<=l;)c.push(0);c[l]|=(m>>>16-8*f&255)<<8*(t+r%4*b);g+=1}}return{value:c,binLen:8*g+d}};break;case "BYTES":c=function(a,c,d){var g,l,p,f,m,q;c=c||[0];d=d||0;p=d>>>3;q=-1===b?3:0;for(l=0;l<a.length;l+=1)g=a.charCodeAt(l),m=l+p,f=m>>>2,c.length<=f&&c.push(0),c[f]|=g<<8*(q+m%4*b);return{value:c,binLen:8*a.length+d}};break;case "ARRAYBUFFER":try{c=new ArrayBuffer(0)}catch(e){throw Error("ARRAYBUFFER not supported by this environment");}c=

- function(a,c,d){var g,l,p,f,m,q;c=c||[0];d=d||0;l=d>>>3;m=-1===b?3:0;q=new Uint8Array(a);for(g=0;g<a.byteLength;g+=1)f=g+l,p=f>>>2,c.length<=p&&c.push(0),c[p]|=q[g]<<8*(m+f%4*b);return{value:c,binLen:8*a.byteLength+d}};break;default:throw Error("format must be HEX, TEXT, B64, BYTES, or ARRAYBUFFER");}return c}function y(c,a){return c<<a|c>>>32-a}function S(c,a){return 32<a?(a-=32,new b(c.b<<a|c.a>>>32-a,c.a<<a|c.b>>>32-a)):0!==a?new b(c.a<<a|c.b>>>32-a,c.b<<a|c.a>>>32-a):c}function w(c,a){return c>>>

- a|c<<32-a}function t(c,a){var k=null,k=new b(c.a,c.b);return k=32>=a?new b(k.a>>>a|k.b<<32-a&4294967295,k.b>>>a|k.a<<32-a&4294967295):new b(k.b>>>a-32|k.a<<64-a&4294967295,k.a>>>a-32|k.b<<64-a&4294967295)}function T(c,a){var k=null;return k=32>=a?new b(c.a>>>a,c.b>>>a|c.a<<32-a&4294967295):new b(0,c.a>>>a-32)}function aa(c,a,b){return c&a^~c&b}function ba(c,a,k){return new b(c.a&a.a^~c.a&k.a,c.b&a.b^~c.b&k.b)}function U(c,a,b){return c&a^c&b^a&b}function ca(c,a,k){return new b(c.a&a.a^c.a&k.a^a.a&

- k.a,c.b&a.b^c.b&k.b^a.b&k.b)}function da(c){return w(c,2)^w(c,13)^w(c,22)}function ea(c){var a=t(c,28),k=t(c,34);c=t(c,39);return new b(a.a^k.a^c.a,a.b^k.b^c.b)}function fa(c){return w(c,6)^w(c,11)^w(c,25)}function ga(c){var a=t(c,14),k=t(c,18);c=t(c,41);return new b(a.a^k.a^c.a,a.b^k.b^c.b)}function ha(c){return w(c,7)^w(c,18)^c>>>3}function ia(c){var a=t(c,1),k=t(c,8);c=T(c,7);return new b(a.a^k.a^c.a,a.b^k.b^c.b)}function ja(c){return w(c,17)^w(c,19)^c>>>10}function ka(c){var a=t(c,19),k=t(c,61);

- c=T(c,6);return new b(a.a^k.a^c.a,a.b^k.b^c.b)}function G(c,a){var b=(c&65535)+(a&65535);return((c>>>16)+(a>>>16)+(b>>>16)&65535)<<16|b&65535}function la(c,a,b,e){var h=(c&65535)+(a&65535)+(b&65535)+(e&65535);return((c>>>16)+(a>>>16)+(b>>>16)+(e>>>16)+(h>>>16)&65535)<<16|h&65535}function H(c,a,b,e,h){var d=(c&65535)+(a&65535)+(b&65535)+(e&65535)+(h&65535);return((c>>>16)+(a>>>16)+(b>>>16)+(e>>>16)+(h>>>16)+(d>>>16)&65535)<<16|d&65535}function ma(c,a){var d,e,h;d=(c.b&65535)+(a.b&65535);e=(c.b>>>16)+

- (a.b>>>16)+(d>>>16);h=(e&65535)<<16|d&65535;d=(c.a&65535)+(a.a&65535)+(e>>>16);e=(c.a>>>16)+(a.a>>>16)+(d>>>16);return new b((e&65535)<<16|d&65535,h)}function na(c,a,d,e){var h,n,g;h=(c.b&65535)+(a.b&65535)+(d.b&65535)+(e.b&65535);n=(c.b>>>16)+(a.b>>>16)+(d.b>>>16)+(e.b>>>16)+(h>>>16);g=(n&65535)<<16|h&65535;h=(c.a&65535)+(a.a&65535)+(d.a&65535)+(e.a&65535)+(n>>>16);n=(c.a>>>16)+(a.a>>>16)+(d.a>>>16)+(e.a>>>16)+(h>>>16);return new b((n&65535)<<16|h&65535,g)}function oa(c,a,d,e,h){var n,g,l;n=(c.b&

- 65535)+(a.b&65535)+(d.b&65535)+(e.b&65535)+(h.b&65535);g=(c.b>>>16)+(a.b>>>16)+(d.b>>>16)+(e.b>>>16)+(h.b>>>16)+(n>>>16);l=(g&65535)<<16|n&65535;n=(c.a&65535)+(a.a&65535)+(d.a&65535)+(e.a&65535)+(h.a&65535)+(g>>>16);g=(c.a>>>16)+(a.a>>>16)+(d.a>>>16)+(e.a>>>16)+(h.a>>>16)+(n>>>16);return new b((g&65535)<<16|n&65535,l)}function B(c,a){return new b(c.a^a.a,c.b^a.b)}function A(c){var a=[],d;if("SHA-1"===c)a=[1732584193,4023233417,2562383102,271733878,3285377520];else if(0===c.lastIndexOf("SHA-",0))switch(a=

- [3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428],d=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],c){case "SHA-224":break;case "SHA-256":a=d;break;case "SHA-384":a=[new b(3418070365,a[0]),new b(1654270250,a[1]),new b(2438529370,a[2]),new b(355462360,a[3]),new b(1731405415,a[4]),new b(41048885895,a[5]),new b(3675008525,a[6]),new b(1203062813,a[7])];break;case "SHA-512":a=[new b(d[0],4089235720),new b(d[1],2227873595),

- new b(d[2],4271175723),new b(d[3],1595750129),new b(d[4],2917565137),new b(d[5],725511199),new b(d[6],4215389547),new b(d[7],327033209)];break;default:throw Error("Unknown SHA variant");}else if(0===c.lastIndexOf("SHA3-",0)||0===c.lastIndexOf("SHAKE",0))for(c=0;5>c;c+=1)a[c]=[new b(0,0),new b(0,0),new b(0,0),new b(0,0),new b(0,0)];else throw Error("No SHA variants supported");return a}function K(c,a){var b=[],e,d,n,g,l,p,f;e=a[0];d=a[1];n=a[2];g=a[3];l=a[4];for(f=0;80>f;f+=1)b[f]=16>f?c[f]:y(b[f-

- 3]^b[f-8]^b[f-14]^b[f-16],1),p=20>f?H(y(e,5),d&n^~d&g,l,1518500249,b[f]):40>f?H(y(e,5),d^n^g,l,1859775393,b[f]):60>f?H(y(e,5),U(d,n,g),l,2400959708,b[f]):H(y(e,5),d^n^g,l,3395469782,b[f]),l=g,g=n,n=y(d,30),d=e,e=p;a[0]=G(e,a[0]);a[1]=G(d,a[1]);a[2]=G(n,a[2]);a[3]=G(g,a[3]);a[4]=G(l,a[4]);return a}function Z(c,a,b,e){var d;for(d=(a+65>>>9<<4)+15;c.length<=d;)c.push(0);c[a>>>5]|=128<<24-a%32;a+=b;c[d]=a&4294967295;c[d-1]=a/4294967296|0;a=c.length;for(d=0;d<a;d+=16)e=K(c.slice(d,d+16),e);return e}function L(c,

- a,k){var e,h,n,g,l,p,f,m,q,u,r,t,v,w,y,A,z,x,F,B,C,D,E=[],J;if("SHA-224"===k||"SHA-256"===k)u=64,t=1,D=Number,v=G,w=la,y=H,A=ha,z=ja,x=da,F=fa,C=U,B=aa,J=d;else if("SHA-384"===k||"SHA-512"===k)u=80,t=2,D=b,v=ma,w=na,y=oa,A=ia,z=ka,x=ea,F=ga,C=ca,B=ba,J=V;else throw Error("Unexpected error in SHA-2 implementation");k=a[0];e=a[1];h=a[2];n=a[3];g=a[4];l=a[5];p=a[6];f=a[7];for(r=0;r<u;r+=1)16>r?(q=r*t,m=c.length<=q?0:c[q],q=c.length<=q+1?0:c[q+1],E[r]=new D(m,q)):E[r]=w(z(E[r-2]),E[r-7],A(E[r-15]),E[r-

- 16]),m=y(f,F(g),B(g,l,p),J[r],E[r]),q=v(x(k),C(k,e,h)),f=p,p=l,l=g,g=v(n,m),n=h,h=e,e=k,k=v(m,q);a[0]=v(k,a[0]);a[1]=v(e,a[1]);a[2]=v(h,a[2]);a[3]=v(n,a[3]);a[4]=v(g,a[4]);a[5]=v(l,a[5]);a[6]=v(p,a[6]);a[7]=v(f,a[7]);return a}function D(c,a){var d,e,h,n,g=[],l=[];if(null!==c)for(e=0;e<c.length;e+=2)a[(e>>>1)%5][(e>>>1)/5|0]=B(a[(e>>>1)%5][(e>>>1)/5|0],new b(c[e+1],c[e]));for(d=0;24>d;d+=1){n=A("SHA3-");for(e=0;5>e;e+=1){h=a[e][0];var p=a[e][1],f=a[e][2],m=a[e][3],q=a[e][4];g[e]=new b(h.a^p.a^f.a^

- m.a^q.a,h.b^p.b^f.b^m.b^q.b)}for(e=0;5>e;e+=1)l[e]=B(g[(e+4)%5],S(g[(e+1)%5],1));for(e=0;5>e;e+=1)for(h=0;5>h;h+=1)a[e][h]=B(a[e][h],l[e]);for(e=0;5>e;e+=1)for(h=0;5>h;h+=1)n[h][(2*e+3*h)%5]=S(a[e][h],W[e][h]);for(e=0;5>e;e+=1)for(h=0;5>h;h+=1)a[e][h]=B(n[e][h],new b(~n[(e+1)%5][h].a&n[(e+2)%5][h].a,~n[(e+1)%5][h].b&n[(e+2)%5][h].b));a[0][0]=B(a[0][0],X[d])}return a}var d,V,W,X;d=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,

- 1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,

- 2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];V=[new b(d[0],3609767458),new b(d[1],602891725),new b(d[2],3964484399),new b(d[3],2173295548),new b(d[4],4081628472),new b(d[5],3053834265),new b(d[6],2937671579),new b(d[7],3664609560),new b(d[8],2734883394),new b(d[9],1164996542),new b(d[10],1323610764),new b(d[11],3590304994),new b(d[12],4068182383),new b(d[13],991336113),new b(d[14],633803317),new b(d[15],3479774868),new b(d[16],2666613458),new b(d[17],944711139),new b(d[18],2341262773),

- new b(d[19],2007800933),new b(d[20],1495990901),new b(d[21],1856431235),new b(d[22],3175218132),new b(d[23],2198950837),new b(d[24],3999719339),new b(d[25],766784016),new b(d[26],2566594879),new b(d[27],3203337956),new b(d[28],1034457026),new b(d[29],2466948901),new b(d[30],3758326383),new b(d[31],168717936),new b(d[32],1188179964),new b(d[33],1546045734),new b(d[34],1522805485),new b(d[35],2643833823),new b(d[36],2343527390),new b(d[37],1014477480),new b(d[38],1206759142),new b(d[39],344077627),

- new b(d[40],1290863460),new b(d[41],3158454273),new b(d[42],3505952657),new b(d[43],106217008),new b(d[44],3606008344),new b(d[45],1432725776),new b(d[46],1467031594),new b(d[47],851169720),new b(d[48],3100823752),new b(d[49],1363258195),new b(d[50],3750685593),new b(d[51],3785050280),new b(d[52],3318307427),new b(d[53],3812723403),new b(d[54],2003034995),new b(d[55],3602036899),new b(d[56],1575990012),new b(d[57],1125592928),new b(d[58],2716904306),new b(d[59],442776044),new b(d[60],593698344),new b(d[61],

- 3733110249),new b(d[62],2999351573),new b(d[63],3815920427),new b(3391569614,3928383900),new b(3515267271,566280711),new b(3940187606,3454069534),new b(4118630271,4000239992),new b(116418474,1914138554),new b(174292421,2731055270),new b(289380356,3203993006),new b(460393269,320620315),new b(685471733,587496836),new b(852142971,1086792851),new b(1017036298,365543100),new b(1126000580,2618297676),new b(1288033470,3409855158),new b(1501505948,4234509866),new b(1607167915,987167468),new b(1816402316,

- 1246189591)];X=[new b(0,1),new b(0,32898),new b(2147483648,32906),new b(2147483648,2147516416),new b(0,32907),new b(0,2147483649),new b(2147483648,2147516545),new b(2147483648,32777),new b(0,138),new b(0,136),new b(0,2147516425),new b(0,2147483658),new b(0,2147516555),new b(2147483648,139),new b(2147483648,32905),new b(2147483648,32771),new b(2147483648,32770),new b(2147483648,128),new b(0,32778),new b(2147483648,2147483658),new b(2147483648,2147516545),new b(2147483648,32896),new b(0,2147483649),

- new b(2147483648,2147516424)];W=[[0,36,3,41,18],[1,44,10,45,2],[62,6,43,15,61],[28,55,25,21,56],[27,20,39,8,14]];"function"===typeof define&&define.amd?define(function(){return C}):"undefined"!==typeof exports?("undefined"!==typeof module&&module.exports&&(module.exports=C),exports=C):Y.jsSHA=C})(this);

- },{}]},{},[1]);

		`@@ -2,4 +2,13 @@`
		`old/`
		`*.zip`
		`SDK LibreJS source/`
		`- *#`
		`\ No newline at end of file`
		`+ *#`
		`+`
		`+ # dependencies`
		`+ node_modules/`
		`+`
		`+ # artifacts`
		`+ librejs.xpi`
		`+ bundle.js`
		`+ npm-debug.log`
		`+ package-lock.json`

		`@@ -1,27 +1,33 @@`
		`- # LibreJS-webex`
		`+ ## LibreJS - WebExtensions Edition ##`

		`- Port of LibreJS to webExtensions.`

		`- It is lacking some license information for the assets from the original LibreJS. Not sure what license should be used for the new source files either. Also, we probably want to sort out the licenses for the dependencies (Acorn Javascript parser and jsSHA) to make sure they are cited correctly.`
		`-`
		`- TO BUILD:`
		`+ BUILD:`

		`First, you need to get some stuff with npm:`
		`+ $ npm install acorn`
		`+ $ npm install jssha`
		`+ $ npm install browserify`
		`+ $ export PATH=$PATH:./node_modules/.bin`
		`+`
		`+ To build the extension run:`
		`+ $ browserify main_background.js -o bundle.js`
		`+`
		`+ To build the extension plus create a .xpi package run:`
		`+ $ ./build.sh`

		`- npm install acorn`
		`- npm install jssha`
		`- npm install browserify`
		`+ Note: this build.sh script relies on no new source files being created.`

		`- To build the extension run this:`

		`- browserify main_background.js -o bundle.js`
		`+ DEBUG:`

		`- To create an XPI file that can be uploaded to Mozilla run build.sh.`
		`+ To debug this add-on on IceCat and other Firefox derivatives, browse to the special URL "about:debugging", select "Enable add-on debugging", and load the manifest.json in this directory with the "Load Temporary Add-on" button.`

		`- Note: this build script relies on no new source files being created.`
billauger commented 6 years ago i forgot to ask about this note in the README that i think should be more clear[1] "this build.sh script relies on no new source files being created" is that to say that the critical filenames are hard-coded into the script? and so if any new files would need to be accounted for in the build script - it should be stated more verbosely like this if that is the intention - as written it kinda implies that "no new source files may ever be added to this project" Edited 6 years ago by billauger
		`+ LibreJS should work with other WebExtensions-compliant browsers; but currently, none of them meet the freedom standards of GNU, so no help will be provided for their usage.`

		`- To debug this add-on on Firefox, go to the special URL "about:debugging", enable add-on debugging load the manifest.json.`

		`- Chrome should work eventually but I haven't tested it lately. To debug the add-on on Chrome it's basically the same except you load it from "chrome://extensions"`
		`+ CONTACT:`

		`- Mailing list: bug-librejs@gnu.org`
		`+ Development mailing list: bug-librejs@gnu.org`
		`+ Users mailing list: help-librejs@gnu.org`
		`+ Subscribe URL: https://savannah.gnu.org/mail/?group=librejs`
		`+ Bug Reports: https://savannah.gnu.org/bugs/?group=librejs`

		`@@ -1,3 +1,7 @@`
		`+ PATH=$PATH:./node_modules/.bin`
		`+ which browserify > /dev/null \|\| (echo "can not find browserify" && false) \|\| exit`
		`+`
		`+`
		`# Build the main file`
		`browserify main_background.js -o bundle.js`

		`@@ -23,4 +27,3 @@`
		`rm -r ./build_temp`
		`# change the zip file to a xpi file that can be uploaded`
		`mv librejs.zip librejs.xpi`
		`-`

librejs

#1 housekeeping

Merged 6 years ago by natenichols. Opened 6 years ago by billauger.

housekeeping into master

Metadata

Changes Summary 5

librejs

Source Code

#1 housekeeping Merged 6 years ago by natenichols. Opened 6 years ago by billauger. housekeeping into master

Metadata

Changes Summary 5

#1 housekeeping

Merged 6 years ago by natenichols. Opened 6 years ago by billauger.

housekeeping into master