| 1 | (function (global, factory) {
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| 2 | if (typeof define === "function" && define.amd) {
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| 3 | define("webextension-polyfill", ["module"], factory);
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| 4 | } else if (typeof exports !== "undefined") {
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| 5 | factory(module);
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| 6 | } else {
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| 7 | var mod = {
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| 8 | exports: {}
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| 9 | };
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| 10 | factory(mod);
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| 11 | global.browser = mod.exports;
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| 12 | }
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| 13 | })(this, function (module) {
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| 14 | /* webextension-polyfill - v0.4.0 - Wed Feb 06 2019 11:58:31 */
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| 15 | /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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| 16 | /* vim: set sts=2 sw=2 et tw=80: */
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| 17 | /* This Source Code Form is subject to the terms of the Mozilla Public
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| 18 | * License, v. 2.0. If a copy of the MPL was not distributed with this
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| 19 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 20 | ;
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| 21 |
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| 22 | if (typeof browser === "undefined" || Object.getPrototypeOf(browser) !== Object.prototype) {
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| 23 | const CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE = "The message port closed before a response was received.";
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| 24 | const SEND_RESPONSE_DEPRECATION_WARNING = "Returning a Promise is the preferred way to send a reply from an onMessage/onMessageExternal listener, as the sendResponse will be removed from the specs (See https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)";
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| 25 |
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| 26 | // Wrapping the bulk of this polyfill in a one-time-use function is a minor
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| 27 | // optimization for Firefox. Since Spidermonkey does not fully parse the
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| 28 | // contents of a function until the first time it's called, and since it will
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| 29 | // never actually need to be called, this allows the polyfill to be included
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| 30 | // in Firefox nearly for free.
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| 31 | const wrapAPIs = extensionAPIs => {
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| 32 | // NOTE: apiMetadata is associated to the content of the api-metadata.json file
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| 33 | // at build time by replacing the following "include" with the content of the
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| 34 | // JSON file.
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| 35 | const apiMetadata = {
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| 36 | "alarms": {
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| 37 | "clear": {
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| 38 | "minArgs": 0,
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| 39 | "maxArgs": 1
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| 40 | },
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| 41 | "clearAll": {
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| 42 | "minArgs": 0,
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| 43 | "maxArgs": 0
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| 44 | },
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| 45 | "get": {
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| 46 | "minArgs": 0,
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| 47 | "maxArgs": 1
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| 48 | },
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| 49 | "getAll": {
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| 50 | "minArgs": 0,
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| 51 | "maxArgs": 0
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| 52 | }
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| 53 | },
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| 54 | "bookmarks": {
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| 55 | "create": {
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| 56 | "minArgs": 1,
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| 57 | "maxArgs": 1
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| 58 | },
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| 59 | "get": {
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| 60 | "minArgs": 1,
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| 61 | "maxArgs": 1
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| 62 | },
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| 63 | "getChildren": {
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| 64 | "minArgs": 1,
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| 65 | "maxArgs": 1
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| 66 | },
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| 67 | "getRecent": {
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| 68 | "minArgs": 1,
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| 69 | "maxArgs": 1
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| 70 | },
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| 71 | "getSubTree": {
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| 72 | "minArgs": 1,
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| 73 | "maxArgs": 1
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| 74 | },
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| 75 | "getTree": {
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| 76 | "minArgs": 0,
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| 77 | "maxArgs": 0
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| 78 | },
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| 79 | "move": {
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| 80 | "minArgs": 2,
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| 81 | "maxArgs": 2
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| 82 | },
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| 83 | "remove": {
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| 84 | "minArgs": 1,
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| 85 | "maxArgs": 1
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| 86 | },
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| 87 | "removeTree": {
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| 88 | "minArgs": 1,
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| 89 | "maxArgs": 1
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| 90 | },
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| 91 | "search": {
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| 92 | "minArgs": 1,
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| 93 | "maxArgs": 1
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| 94 | },
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| 95 | "update": {
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| 96 | "minArgs": 2,
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| 97 | "maxArgs": 2
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| 98 | }
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| 99 | },
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| 100 | "browserAction": {
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| 101 | "disable": {
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| 102 | "minArgs": 0,
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| 103 | "maxArgs": 1,
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| 104 | "fallbackToNoCallback": true
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| 105 | },
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| 106 | "enable": {
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| 107 | "minArgs": 0,
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| 108 | "maxArgs": 1,
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| 109 | "fallbackToNoCallback": true
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| 110 | },
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| 111 | "getBadgeBackgroundColor": {
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| 112 | "minArgs": 1,
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| 113 | "maxArgs": 1
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| 114 | },
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| 115 | "getBadgeText": {
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| 116 | "minArgs": 1,
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| 117 | "maxArgs": 1
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| 118 | },
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| 119 | "getPopup": {
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| 120 | "minArgs": 1,
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| 121 | "maxArgs": 1
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| 122 | },
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| 123 | "getTitle": {
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| 124 | "minArgs": 1,
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| 125 | "maxArgs": 1
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| 126 | },
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| 127 | "openPopup": {
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| 128 | "minArgs": 0,
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| 129 | "maxArgs": 0
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| 130 | },
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| 131 | "setBadgeBackgroundColor": {
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| 132 | "minArgs": 1,
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| 133 | "maxArgs": 1,
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| 134 | "fallbackToNoCallback": true
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| 135 | },
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| 136 | "setBadgeText": {
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| 137 | "minArgs": 1,
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| 138 | "maxArgs": 1,
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| 139 | "fallbackToNoCallback": true
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| 140 | },
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| 141 | "setIcon": {
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| 142 | "minArgs": 1,
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| 143 | "maxArgs": 1
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| 144 | },
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| 145 | "setPopup": {
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| 146 | "minArgs": 1,
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| 147 | "maxArgs": 1,
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| 148 | "fallbackToNoCallback": true
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| 149 | },
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| 150 | "setTitle": {
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| 151 | "minArgs": 1,
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| 152 | "maxArgs": 1,
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| 153 | "fallbackToNoCallback": true
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| 154 | }
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| 155 | },
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| 156 | "browsingData": {
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| 157 | "remove": {
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| 158 | "minArgs": 2,
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| 159 | "maxArgs": 2
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| 160 | },
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| 161 | "removeCache": {
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| 162 | "minArgs": 1,
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| 163 | "maxArgs": 1
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| 164 | },
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| 165 | "removeCookies": {
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| 166 | "minArgs": 1,
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| 167 | "maxArgs": 1
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| 168 | },
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| 169 | "removeDownloads": {
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| 170 | "minArgs": 1,
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| 171 | "maxArgs": 1
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| 172 | },
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| 173 | "removeFormData": {
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| 174 | "minArgs": 1,
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| 175 | "maxArgs": 1
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| 176 | },
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| 177 | "removeHistory": {
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| 178 | "minArgs": 1,
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| 179 | "maxArgs": 1
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| 180 | },
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| 181 | "removeLocalStorage": {
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| 182 | "minArgs": 1,
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| 183 | "maxArgs": 1
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| 184 | },
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| 185 | "removePasswords": {
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| 186 | "minArgs": 1,
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| 187 | "maxArgs": 1
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| 188 | },
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| 189 | "removePluginData": {
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| 190 | "minArgs": 1,
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| 191 | "maxArgs": 1
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| 192 | },
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| 193 | "settings": {
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| 194 | "minArgs": 0,
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| 195 | "maxArgs": 0
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| 196 | }
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| 197 | },
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| 198 | "commands": {
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| 199 | "getAll": {
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| 200 | "minArgs": 0,
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| 201 | "maxArgs": 0
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| 202 | }
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| 203 | },
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| 204 | "contextMenus": {
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| 205 | "remove": {
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| 206 | "minArgs": 1,
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| 207 | "maxArgs": 1
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| 208 | },
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| 209 | "removeAll": {
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| 210 | "minArgs": 0,
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| 211 | "maxArgs": 0
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| 212 | },
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| 213 | "update": {
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| 214 | "minArgs": 2,
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| 215 | "maxArgs": 2
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| 216 | }
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| 217 | },
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| 218 | "cookies": {
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| 219 | "get": {
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| 220 | "minArgs": 1,
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| 221 | "maxArgs": 1
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| 222 | },
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| 223 | "getAll": {
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| 224 | "minArgs": 1,
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| 225 | "maxArgs": 1
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| 226 | },
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| 227 | "getAllCookieStores": {
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| 228 | "minArgs": 0,
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| 229 | "maxArgs": 0
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| 230 | },
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| 231 | "remove": {
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| 232 | "minArgs": 1,
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| 233 | "maxArgs": 1
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| 234 | },
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| 235 | "set": {
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| 236 | "minArgs": 1,
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| 237 | "maxArgs": 1
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| 238 | }
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| 239 | },
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| 240 | "devtools": {
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| 241 | "inspectedWindow": {
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| 242 | "eval": {
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| 243 | "minArgs": 1,
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| 244 | "maxArgs": 2,
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| 245 | "singleCallbackArg": false
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| 246 | }
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| 247 | },
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| 248 | "panels": {
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| 249 | "create": {
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| 250 | "minArgs": 3,
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| 251 | "maxArgs": 3,
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| 252 | "singleCallbackArg": true
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| 253 | }
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| 254 | }
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| 255 | },
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| 256 | "downloads": {
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| 257 | "cancel": {
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| 258 | "minArgs": 1,
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| 259 | "maxArgs": 1
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| 260 | },
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| 261 | "download": {
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| 262 | "minArgs": 1,
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| 263 | "maxArgs": 1
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| 264 | },
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| 265 | "erase": {
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| 266 | "minArgs": 1,
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| 267 | "maxArgs": 1
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| 268 | },
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| 269 | "getFileIcon": {
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| 270 | "minArgs": 1,
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| 271 | "maxArgs": 2
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| 272 | },
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| 273 | "open": {
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| 274 | "minArgs": 1,
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| 275 | "maxArgs": 1,
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| 276 | "fallbackToNoCallback": true
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| 277 | },
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| 278 | "pause": {
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| 279 | "minArgs": 1,
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| 280 | "maxArgs": 1
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| 281 | },
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| 282 | "removeFile": {
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| 283 | "minArgs": 1,
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| 284 | "maxArgs": 1
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| 285 | },
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| 286 | "resume": {
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| 287 | "minArgs": 1,
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| 288 | "maxArgs": 1
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| 289 | },
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| 290 | "search": {
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| 291 | "minArgs": 1,
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| 292 | "maxArgs": 1
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| 293 | },
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| 294 | "show": {
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| 295 | "minArgs": 1,
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| 296 | "maxArgs": 1,
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| 297 | "fallbackToNoCallback": true
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| 298 | }
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| 299 | },
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| 300 | "extension": {
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| 301 | "isAllowedFileSchemeAccess": {
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| 302 | "minArgs": 0,
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| 303 | "maxArgs": 0
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| 304 | },
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| 305 | "isAllowedIncognitoAccess": {
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| 306 | "minArgs": 0,
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| 307 | "maxArgs": 0
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| 308 | }
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| 309 | },
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| 310 | "history": {
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| 311 | "addUrl": {
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| 312 | "minArgs": 1,
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| 313 | "maxArgs": 1
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| 314 | },
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| 315 | "deleteAll": {
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| 316 | "minArgs": 0,
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| 317 | "maxArgs": 0
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| 318 | },
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| 319 | "deleteRange": {
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| 320 | "minArgs": 1,
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| 321 | "maxArgs": 1
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| 322 | },
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| 323 | "deleteUrl": {
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| 324 | "minArgs": 1,
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| 325 | "maxArgs": 1
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| 326 | },
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| 327 | "getVisits": {
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| 328 | "minArgs": 1,
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| 329 | "maxArgs": 1
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| 330 | },
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| 331 | "search": {
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| 332 | "minArgs": 1,
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| 333 | "maxArgs": 1
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| 334 | }
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| 335 | },
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| 336 | "i18n": {
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| 337 | "detectLanguage": {
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| 338 | "minArgs": 1,
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| 339 | "maxArgs": 1
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| 340 | },
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| 341 | "getAcceptLanguages": {
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| 342 | "minArgs": 0,
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| 343 | "maxArgs": 0
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| 344 | }
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| 345 | },
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| 346 | "identity": {
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| 347 | "launchWebAuthFlow": {
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| 348 | "minArgs": 1,
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| 349 | "maxArgs": 1
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| 350 | }
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| 351 | },
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| 352 | "idle": {
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| 353 | "queryState": {
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| 354 | "minArgs": 1,
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| 355 | "maxArgs": 1
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| 356 | }
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| 357 | },
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| 358 | "management": {
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| 359 | "get": {
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| 360 | "minArgs": 1,
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| 361 | "maxArgs": 1
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| 362 | },
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| 363 | "getAll": {
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| 364 | "minArgs": 0,
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| 365 | "maxArgs": 0
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| 366 | },
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| 367 | "getSelf": {
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| 368 | "minArgs": 0,
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| 369 | "maxArgs": 0
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| 370 | },
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| 371 | "setEnabled": {
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| 372 | "minArgs": 2,
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| 373 | "maxArgs": 2
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| 374 | },
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| 375 | "uninstallSelf": {
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| 376 | "minArgs": 0,
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| 377 | "maxArgs": 1
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| 378 | }
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| 379 | },
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| 380 | "notifications": {
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| 381 | "clear": {
|
| 382 | "minArgs": 1,
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| 383 | "maxArgs": 1
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| 384 | },
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| 385 | "create": {
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| 386 | "minArgs": 1,
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| 387 | "maxArgs": 2
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| 388 | },
|
| 389 | "getAll": {
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| 390 | "minArgs": 0,
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| 391 | "maxArgs": 0
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| 392 | },
|
| 393 | "getPermissionLevel": {
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| 394 | "minArgs": 0,
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| 395 | "maxArgs": 0
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| 396 | },
|
| 397 | "update": {
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| 398 | "minArgs": 2,
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| 399 | "maxArgs": 2
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| 400 | }
|
| 401 | },
|
| 402 | "pageAction": {
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| 403 | "getPopup": {
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| 404 | "minArgs": 1,
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| 405 | "maxArgs": 1
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| 406 | },
|
| 407 | "getTitle": {
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| 408 | "minArgs": 1,
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| 409 | "maxArgs": 1
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| 410 | },
|
| 411 | "hide": {
|
| 412 | "minArgs": 1,
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| 413 | "maxArgs": 1,
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| 414 | "fallbackToNoCallback": true
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| 415 | },
|
| 416 | "setIcon": {
|
| 417 | "minArgs": 1,
|
| 418 | "maxArgs": 1
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| 419 | },
|
| 420 | "setPopup": {
|
| 421 | "minArgs": 1,
|
| 422 | "maxArgs": 1,
|
| 423 | "fallbackToNoCallback": true
|
| 424 | },
|
| 425 | "setTitle": {
|
| 426 | "minArgs": 1,
|
| 427 | "maxArgs": 1,
|
| 428 | "fallbackToNoCallback": true
|
| 429 | },
|
| 430 | "show": {
|
| 431 | "minArgs": 1,
|
| 432 | "maxArgs": 1,
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| 433 | "fallbackToNoCallback": true
|
| 434 | }
|
| 435 | },
|
| 436 | "permissions": {
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| 437 | "contains": {
|
| 438 | "minArgs": 1,
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| 439 | "maxArgs": 1
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| 440 | },
|
| 441 | "getAll": {
|
| 442 | "minArgs": 0,
|
| 443 | "maxArgs": 0
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| 444 | },
|
| 445 | "remove": {
|
| 446 | "minArgs": 1,
|
| 447 | "maxArgs": 1
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| 448 | },
|
| 449 | "request": {
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| 450 | "minArgs": 1,
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| 451 | "maxArgs": 1
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| 452 | }
|
| 453 | },
|
| 454 | "runtime": {
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| 455 | "getBackgroundPage": {
|
| 456 | "minArgs": 0,
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| 457 | "maxArgs": 0
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| 458 | },
|
| 459 | "getBrowserInfo": {
|
| 460 | "minArgs": 0,
|
| 461 | "maxArgs": 0
|
| 462 | },
|
| 463 | "getPlatformInfo": {
|
| 464 | "minArgs": 0,
|
| 465 | "maxArgs": 0
|
| 466 | },
|
| 467 | "openOptionsPage": {
|
| 468 | "minArgs": 0,
|
| 469 | "maxArgs": 0
|
| 470 | },
|
| 471 | "requestUpdateCheck": {
|
| 472 | "minArgs": 0,
|
| 473 | "maxArgs": 0
|
| 474 | },
|
| 475 | "sendMessage": {
|
| 476 | "minArgs": 1,
|
| 477 | "maxArgs": 3
|
| 478 | },
|
| 479 | "sendNativeMessage": {
|
| 480 | "minArgs": 2,
|
| 481 | "maxArgs": 2
|
| 482 | },
|
| 483 | "setUninstallURL": {
|
| 484 | "minArgs": 1,
|
| 485 | "maxArgs": 1
|
| 486 | }
|
| 487 | },
|
| 488 | "sessions": {
|
| 489 | "getDevices": {
|
| 490 | "minArgs": 0,
|
| 491 | "maxArgs": 1
|
| 492 | },
|
| 493 | "getRecentlyClosed": {
|
| 494 | "minArgs": 0,
|
| 495 | "maxArgs": 1
|
| 496 | },
|
| 497 | "restore": {
|
| 498 | "minArgs": 0,
|
| 499 | "maxArgs": 1
|
| 500 | }
|
| 501 | },
|
| 502 | "storage": {
|
| 503 | "local": {
|
| 504 | "clear": {
|
| 505 | "minArgs": 0,
|
| 506 | "maxArgs": 0
|
| 507 | },
|
| 508 | "get": {
|
| 509 | "minArgs": 0,
|
| 510 | "maxArgs": 1
|
| 511 | },
|
| 512 | "getBytesInUse": {
|
| 513 | "minArgs": 0,
|
| 514 | "maxArgs": 1
|
| 515 | },
|
| 516 | "remove": {
|
| 517 | "minArgs": 1,
|
| 518 | "maxArgs": 1
|
| 519 | },
|
| 520 | "set": {
|
| 521 | "minArgs": 1,
|
| 522 | "maxArgs": 1
|
| 523 | }
|
| 524 | },
|
| 525 | "managed": {
|
| 526 | "get": {
|
| 527 | "minArgs": 0,
|
| 528 | "maxArgs": 1
|
| 529 | },
|
| 530 | "getBytesInUse": {
|
| 531 | "minArgs": 0,
|
| 532 | "maxArgs": 1
|
| 533 | }
|
| 534 | },
|
| 535 | "sync": {
|
| 536 | "clear": {
|
| 537 | "minArgs": 0,
|
| 538 | "maxArgs": 0
|
| 539 | },
|
| 540 | "get": {
|
| 541 | "minArgs": 0,
|
| 542 | "maxArgs": 1
|
| 543 | },
|
| 544 | "getBytesInUse": {
|
| 545 | "minArgs": 0,
|
| 546 | "maxArgs": 1
|
| 547 | },
|
| 548 | "remove": {
|
| 549 | "minArgs": 1,
|
| 550 | "maxArgs": 1
|
| 551 | },
|
| 552 | "set": {
|
| 553 | "minArgs": 1,
|
| 554 | "maxArgs": 1
|
| 555 | }
|
| 556 | }
|
| 557 | },
|
| 558 | "tabs": {
|
| 559 | "captureVisibleTab": {
|
| 560 | "minArgs": 0,
|
| 561 | "maxArgs": 2
|
| 562 | },
|
| 563 | "create": {
|
| 564 | "minArgs": 1,
|
| 565 | "maxArgs": 1
|
| 566 | },
|
| 567 | "detectLanguage": {
|
| 568 | "minArgs": 0,
|
| 569 | "maxArgs": 1
|
| 570 | },
|
| 571 | "discard": {
|
| 572 | "minArgs": 0,
|
| 573 | "maxArgs": 1
|
| 574 | },
|
| 575 | "duplicate": {
|
| 576 | "minArgs": 1,
|
| 577 | "maxArgs": 1
|
| 578 | },
|
| 579 | "executeScript": {
|
| 580 | "minArgs": 1,
|
| 581 | "maxArgs": 2
|
| 582 | },
|
| 583 | "get": {
|
| 584 | "minArgs": 1,
|
| 585 | "maxArgs": 1
|
| 586 | },
|
| 587 | "getCurrent": {
|
| 588 | "minArgs": 0,
|
| 589 | "maxArgs": 0
|
| 590 | },
|
| 591 | "getZoom": {
|
| 592 | "minArgs": 0,
|
| 593 | "maxArgs": 1
|
| 594 | },
|
| 595 | "getZoomSettings": {
|
| 596 | "minArgs": 0,
|
| 597 | "maxArgs": 1
|
| 598 | },
|
| 599 | "highlight": {
|
| 600 | "minArgs": 1,
|
| 601 | "maxArgs": 1
|
| 602 | },
|
| 603 | "insertCSS": {
|
| 604 | "minArgs": 1,
|
| 605 | "maxArgs": 2
|
| 606 | },
|
| 607 | "move": {
|
| 608 | "minArgs": 2,
|
| 609 | "maxArgs": 2
|
| 610 | },
|
| 611 | "query": {
|
| 612 | "minArgs": 1,
|
| 613 | "maxArgs": 1
|
| 614 | },
|
| 615 | "reload": {
|
| 616 | "minArgs": 0,
|
| 617 | "maxArgs": 2
|
| 618 | },
|
| 619 | "remove": {
|
| 620 | "minArgs": 1,
|
| 621 | "maxArgs": 1
|
| 622 | },
|
| 623 | "removeCSS": {
|
| 624 | "minArgs": 1,
|
| 625 | "maxArgs": 2
|
| 626 | },
|
| 627 | "sendMessage": {
|
| 628 | "minArgs": 2,
|
| 629 | "maxArgs": 3
|
| 630 | },
|
| 631 | "setZoom": {
|
| 632 | "minArgs": 1,
|
| 633 | "maxArgs": 2
|
| 634 | },
|
| 635 | "setZoomSettings": {
|
| 636 | "minArgs": 1,
|
| 637 | "maxArgs": 2
|
| 638 | },
|
| 639 | "update": {
|
| 640 | "minArgs": 1,
|
| 641 | "maxArgs": 2
|
| 642 | }
|
| 643 | },
|
| 644 | "topSites": {
|
| 645 | "get": {
|
| 646 | "minArgs": 0,
|
| 647 | "maxArgs": 0
|
| 648 | }
|
| 649 | },
|
| 650 | "webNavigation": {
|
| 651 | "getAllFrames": {
|
| 652 | "minArgs": 1,
|
| 653 | "maxArgs": 1
|
| 654 | },
|
| 655 | "getFrame": {
|
| 656 | "minArgs": 1,
|
| 657 | "maxArgs": 1
|
| 658 | }
|
| 659 | },
|
| 660 | "webRequest": {
|
| 661 | "handlerBehaviorChanged": {
|
| 662 | "minArgs": 0,
|
| 663 | "maxArgs": 0
|
| 664 | }
|
| 665 | },
|
| 666 | "windows": {
|
| 667 | "create": {
|
| 668 | "minArgs": 0,
|
| 669 | "maxArgs": 1
|
| 670 | },
|
| 671 | "get": {
|
| 672 | "minArgs": 1,
|
| 673 | "maxArgs": 2
|
| 674 | },
|
| 675 | "getAll": {
|
| 676 | "minArgs": 0,
|
| 677 | "maxArgs": 1
|
| 678 | },
|
| 679 | "getCurrent": {
|
| 680 | "minArgs": 0,
|
| 681 | "maxArgs": 1
|
| 682 | },
|
| 683 | "getLastFocused": {
|
| 684 | "minArgs": 0,
|
| 685 | "maxArgs": 1
|
| 686 | },
|
| 687 | "remove": {
|
| 688 | "minArgs": 1,
|
| 689 | "maxArgs": 1
|
| 690 | },
|
| 691 | "update": {
|
| 692 | "minArgs": 2,
|
| 693 | "maxArgs": 2
|
| 694 | }
|
| 695 | }
|
| 696 | };
|
| 697 |
|
| 698 | if (Object.keys(apiMetadata).length === 0) {
|
| 699 | throw new Error("api-metadata.json has not been included in browser-polyfill");
|
| 700 | }
|
| 701 |
|
| 702 | /**
|
| 703 | * A WeakMap subclass which creates and stores a value for any key which does
|
| 704 | * not exist when accessed, but behaves exactly as an ordinary WeakMap
|
| 705 | * otherwise.
|
| 706 | *
|
| 707 | * @param {function} createItem
|
| 708 | * A function which will be called in order to create the value for any
|
| 709 | * key which does not exist, the first time it is accessed. The
|
| 710 | * function receives, as its only argument, the key being created.
|
| 711 | */
|
| 712 | class DefaultWeakMap extends WeakMap {
|
| 713 | constructor(createItem, items = undefined) {
|
| 714 | super(items);
|
| 715 | this.createItem = createItem;
|
| 716 | }
|
| 717 |
|
| 718 | get(key) {
|
| 719 | if (!this.has(key)) {
|
| 720 | this.set(key, this.createItem(key));
|
| 721 | }
|
| 722 |
|
| 723 | return super.get(key);
|
| 724 | }
|
| 725 | }
|
| 726 |
|
| 727 | /**
|
| 728 | * Returns true if the given object is an object with a `then` method, and can
|
| 729 | * therefore be assumed to behave as a Promise.
|
| 730 | *
|
| 731 | * @param {*} value The value to test.
|
| 732 | * @returns {boolean} True if the value is thenable.
|
| 733 | */
|
| 734 | const isThenable = value => {
|
| 735 | return value && typeof value === "object" && typeof value.then === "function";
|
| 736 | };
|
| 737 |
|
| 738 | /**
|
| 739 | * Creates and returns a function which, when called, will resolve or reject
|
| 740 | * the given promise based on how it is called:
|
| 741 | *
|
| 742 | * - If, when called, `chrome.runtime.lastError` contains a non-null object,
|
| 743 | * the promise is rejected with that value.
|
| 744 | * - If the function is called with exactly one argument, the promise is
|
| 745 | * resolved to that value.
|
| 746 | * - Otherwise, the promise is resolved to an array containing all of the
|
| 747 | * function's arguments.
|
| 748 | *
|
| 749 | * @param {object} promise
|
| 750 | * An object containing the resolution and rejection functions of a
|
| 751 | * promise.
|
| 752 | * @param {function} promise.resolve
|
| 753 | * The promise's resolution function.
|
| 754 | * @param {function} promise.rejection
|
| 755 | * The promise's rejection function.
|
| 756 | * @param {object} metadata
|
| 757 | * Metadata about the wrapped method which has created the callback.
|
| 758 | * @param {integer} metadata.maxResolvedArgs
|
| 759 | * The maximum number of arguments which may be passed to the
|
| 760 | * callback created by the wrapped async function.
|
| 761 | *
|
| 762 | * @returns {function}
|
| 763 | * The generated callback function.
|
| 764 | */
|
| 765 | const makeCallback = (promise, metadata) => {
|
| 766 | return (...callbackArgs) => {
|
| 767 | if (extensionAPIs.runtime.lastError) {
|
| 768 | promise.reject(extensionAPIs.runtime.lastError);
|
| 769 | } else if (metadata.singleCallbackArg || callbackArgs.length <= 1 && metadata.singleCallbackArg !== false) {
|
| 770 | promise.resolve(callbackArgs[0]);
|
| 771 | } else {
|
| 772 | promise.resolve(callbackArgs);
|
| 773 | }
|
| 774 | };
|
| 775 | };
|
| 776 |
|
| 777 | const pluralizeArguments = numArgs => numArgs == 1 ? "argument" : "arguments";
|
| 778 |
|
| 779 | /**
|
| 780 | * Creates a wrapper function for a method with the given name and metadata.
|
| 781 | *
|
| 782 | * @param {string} name
|
| 783 | * The name of the method which is being wrapped.
|
| 784 | * @param {object} metadata
|
| 785 | * Metadata about the method being wrapped.
|
| 786 | * @param {integer} metadata.minArgs
|
| 787 | * The minimum number of arguments which must be passed to the
|
| 788 | * function. If called with fewer than this number of arguments, the
|
| 789 | * wrapper will raise an exception.
|
| 790 | * @param {integer} metadata.maxArgs
|
| 791 | * The maximum number of arguments which may be passed to the
|
| 792 | * function. If called with more than this number of arguments, the
|
| 793 | * wrapper will raise an exception.
|
| 794 | * @param {integer} metadata.maxResolvedArgs
|
| 795 | * The maximum number of arguments which may be passed to the
|
| 796 | * callback created by the wrapped async function.
|
| 797 | *
|
| 798 | * @returns {function(object, ...*)}
|
| 799 | * The generated wrapper function.
|
| 800 | */
|
| 801 | const wrapAsyncFunction = (name, metadata) => {
|
| 802 | return function asyncFunctionWrapper(target, ...args) {
|
| 803 | if (args.length < metadata.minArgs) {
|
| 804 | throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
|
| 805 | }
|
| 806 |
|
| 807 | if (args.length > metadata.maxArgs) {
|
| 808 | throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
|
| 809 | }
|
| 810 |
|
| 811 | return new Promise((resolve, reject) => {
|
| 812 | if (metadata.fallbackToNoCallback) {
|
| 813 | // This API method has currently no callback on Chrome, but it return a promise on Firefox,
|
| 814 | // and so the polyfill will try to call it with a callback first, and it will fallback
|
| 815 | // to not passing the callback if the first call fails.
|
| 816 | try {
|
| 817 | target[name](...args, makeCallback({ resolve, reject }, metadata));
|
| 818 | } catch (cbError) {
|
| 819 | console.warn(`${name} API method doesn't seem to support the callback parameter, ` + "falling back to call it without a callback: ", cbError);
|
| 820 |
|
| 821 | target[name](...args);
|
| 822 |
|
| 823 | // Update the API method metadata, so that the next API calls will not try to
|
| 824 | // use the unsupported callback anymore.
|
| 825 | metadata.fallbackToNoCallback = false;
|
| 826 | metadata.noCallback = true;
|
| 827 |
|
| 828 | resolve();
|
| 829 | }
|
| 830 | } else if (metadata.noCallback) {
|
| 831 | target[name](...args);
|
| 832 | resolve();
|
| 833 | } else {
|
| 834 | target[name](...args, makeCallback({ resolve, reject }, metadata));
|
| 835 | }
|
| 836 | });
|
| 837 | };
|
| 838 | };
|
| 839 |
|
| 840 | /**
|
| 841 | * Wraps an existing method of the target object, so that calls to it are
|
| 842 | * intercepted by the given wrapper function. The wrapper function receives,
|
| 843 | * as its first argument, the original `target` object, followed by each of
|
| 844 | * the arguments passed to the original method.
|
| 845 | *
|
| 846 | * @param {object} target
|
| 847 | * The original target object that the wrapped method belongs to.
|
| 848 | * @param {function} method
|
| 849 | * The method being wrapped. This is used as the target of the Proxy
|
| 850 | * object which is created to wrap the method.
|
| 851 | * @param {function} wrapper
|
| 852 | * The wrapper function which is called in place of a direct invocation
|
| 853 | * of the wrapped method.
|
| 854 | *
|
| 855 | * @returns {Proxy<function>}
|
| 856 | * A Proxy object for the given method, which invokes the given wrapper
|
| 857 | * method in its place.
|
| 858 | */
|
| 859 | const wrapMethod = (target, method, wrapper) => {
|
| 860 | return new Proxy(method, {
|
| 861 | apply(targetMethod, thisObj, args) {
|
| 862 | return wrapper.call(thisObj, target, ...args);
|
| 863 | }
|
| 864 | });
|
| 865 | };
|
| 866 |
|
| 867 | let hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty);
|
| 868 |
|
| 869 | /**
|
| 870 | * Wraps an object in a Proxy which intercepts and wraps certain methods
|
| 871 | * based on the given `wrappers` and `metadata` objects.
|
| 872 | *
|
| 873 | * @param {object} target
|
| 874 | * The target object to wrap.
|
| 875 | *
|
| 876 | * @param {object} [wrappers = {}]
|
| 877 | * An object tree containing wrapper functions for special cases. Any
|
| 878 | * function present in this object tree is called in place of the
|
| 879 | * method in the same location in the `target` object tree. These
|
| 880 | * wrapper methods are invoked as described in {@see wrapMethod}.
|
| 881 | *
|
| 882 | * @param {object} [metadata = {}]
|
| 883 | * An object tree containing metadata used to automatically generate
|
| 884 | * Promise-based wrapper functions for asynchronous. Any function in
|
| 885 | * the `target` object tree which has a corresponding metadata object
|
| 886 | * in the same location in the `metadata` tree is replaced with an
|
| 887 | * automatically-generated wrapper function, as described in
|
| 888 | * {@see wrapAsyncFunction}
|
| 889 | *
|
| 890 | * @returns {Proxy<object>}
|
| 891 | */
|
| 892 | const wrapObject = (target, wrappers = {}, metadata = {}) => {
|
| 893 | let cache = Object.create(null);
|
| 894 | let handlers = {
|
| 895 | has(proxyTarget, prop) {
|
| 896 | return prop in target || prop in cache;
|
| 897 | },
|
| 898 |
|
| 899 | get(proxyTarget, prop, receiver) {
|
| 900 | if (prop in cache) {
|
| 901 | return cache[prop];
|
| 902 | }
|
| 903 |
|
| 904 | if (!(prop in target)) {
|
| 905 | return undefined;
|
| 906 | }
|
| 907 |
|
| 908 | let value = target[prop];
|
| 909 |
|
| 910 | if (typeof value === "function") {
|
| 911 | // This is a method on the underlying object. Check if we need to do
|
| 912 | // any wrapping.
|
| 913 |
|
| 914 | if (typeof wrappers[prop] === "function") {
|
| 915 | // We have a special-case wrapper for this method.
|
| 916 | value = wrapMethod(target, target[prop], wrappers[prop]);
|
| 917 | } else if (hasOwnProperty(metadata, prop)) {
|
| 918 | // This is an async method that we have metadata for. Create a
|
| 919 | // Promise wrapper for it.
|
| 920 | let wrapper = wrapAsyncFunction(prop, metadata[prop]);
|
| 921 | value = wrapMethod(target, target[prop], wrapper);
|
| 922 | } else {
|
| 923 | // This is a method that we don't know or care about. Return the
|
| 924 | // original method, bound to the underlying object.
|
| 925 | value = value.bind(target);
|
| 926 | }
|
| 927 | } else if (typeof value === "object" && value !== null && (hasOwnProperty(wrappers, prop) || hasOwnProperty(metadata, prop))) {
|
| 928 | // This is an object that we need to do some wrapping for the children
|
| 929 | // of. Create a sub-object wrapper for it with the appropriate child
|
| 930 | // metadata.
|
| 931 | value = wrapObject(value, wrappers[prop], metadata[prop]);
|
| 932 | } else {
|
| 933 | // We don't need to do any wrapping for this property,
|
| 934 | // so just forward all access to the underlying object.
|
| 935 | Object.defineProperty(cache, prop, {
|
| 936 | configurable: true,
|
| 937 | enumerable: true,
|
| 938 | get() {
|
| 939 | return target[prop];
|
| 940 | },
|
| 941 | set(value) {
|
| 942 | target[prop] = value;
|
| 943 | }
|
| 944 | });
|
| 945 |
|
| 946 | return value;
|
| 947 | }
|
| 948 |
|
| 949 | cache[prop] = value;
|
| 950 | return value;
|
| 951 | },
|
| 952 |
|
| 953 | set(proxyTarget, prop, value, receiver) {
|
| 954 | if (prop in cache) {
|
| 955 | cache[prop] = value;
|
| 956 | } else {
|
| 957 | target[prop] = value;
|
| 958 | }
|
| 959 | return true;
|
| 960 | },
|
| 961 |
|
| 962 | defineProperty(proxyTarget, prop, desc) {
|
| 963 | return Reflect.defineProperty(cache, prop, desc);
|
| 964 | },
|
| 965 |
|
| 966 | deleteProperty(proxyTarget, prop) {
|
| 967 | return Reflect.deleteProperty(cache, prop);
|
| 968 | }
|
| 969 | };
|
| 970 |
|
| 971 | // Per contract of the Proxy API, the "get" proxy handler must return the
|
| 972 | // original value of the target if that value is declared read-only and
|
| 973 | // non-configurable. For this reason, we create an object with the
|
| 974 | // prototype set to `target` instead of using `target` directly.
|
| 975 | // Otherwise we cannot return a custom object for APIs that
|
| 976 | // are declared read-only and non-configurable, such as `chrome.devtools`.
|
| 977 | //
|
| 978 | // The proxy handlers themselves will still use the original `target`
|
| 979 | // instead of the `proxyTarget`, so that the methods and properties are
|
| 980 | // dereferenced via the original targets.
|
| 981 | let proxyTarget = Object.create(target);
|
| 982 | return new Proxy(proxyTarget, handlers);
|
| 983 | };
|
| 984 |
|
| 985 | /**
|
| 986 | * Creates a set of wrapper functions for an event object, which handles
|
| 987 | * wrapping of listener functions that those messages are passed.
|
| 988 | *
|
| 989 | * A single wrapper is created for each listener function, and stored in a
|
| 990 | * map. Subsequent calls to `addListener`, `hasListener`, or `removeListener`
|
| 991 | * retrieve the original wrapper, so that attempts to remove a
|
| 992 | * previously-added listener work as expected.
|
| 993 | *
|
| 994 | * @param {DefaultWeakMap<function, function>} wrapperMap
|
| 995 | * A DefaultWeakMap object which will create the appropriate wrapper
|
| 996 | * for a given listener function when one does not exist, and retrieve
|
| 997 | * an existing one when it does.
|
| 998 | *
|
| 999 | * @returns {object}
|
| 1000 | */
|
| 1001 | const wrapEvent = wrapperMap => ({
|
| 1002 | addListener(target, listener, ...args) {
|
| 1003 | target.addListener(wrapperMap.get(listener), ...args);
|
| 1004 | },
|
| 1005 |
|
| 1006 | hasListener(target, listener) {
|
| 1007 | return target.hasListener(wrapperMap.get(listener));
|
| 1008 | },
|
| 1009 |
|
| 1010 | removeListener(target, listener) {
|
| 1011 | target.removeListener(wrapperMap.get(listener));
|
| 1012 | }
|
| 1013 | });
|
| 1014 |
|
| 1015 | // Keep track if the deprecation warning has been logged at least once.
|
| 1016 | let loggedSendResponseDeprecationWarning = false;
|
| 1017 |
|
| 1018 | const onMessageWrappers = new DefaultWeakMap(listener => {
|
| 1019 | if (typeof listener !== "function") {
|
| 1020 | return listener;
|
| 1021 | }
|
| 1022 |
|
| 1023 | /**
|
| 1024 | * Wraps a message listener function so that it may send responses based on
|
| 1025 | * its return value, rather than by returning a sentinel value and calling a
|
| 1026 | * callback. If the listener function returns a Promise, the response is
|
| 1027 | * sent when the promise either resolves or rejects.
|
| 1028 | *
|
| 1029 | * @param {*} message
|
| 1030 | * The message sent by the other end of the channel.
|
| 1031 | * @param {object} sender
|
| 1032 | * Details about the sender of the message.
|
| 1033 | * @param {function(*)} sendResponse
|
| 1034 | * A callback which, when called with an arbitrary argument, sends
|
| 1035 | * that value as a response.
|
| 1036 | * @returns {boolean}
|
| 1037 | * True if the wrapped listener returned a Promise, which will later
|
| 1038 | * yield a response. False otherwise.
|
| 1039 | */
|
| 1040 | return function onMessage(message, sender, sendResponse) {
|
| 1041 | let didCallSendResponse = false;
|
| 1042 |
|
| 1043 | let wrappedSendResponse;
|
| 1044 | let sendResponsePromise = new Promise(resolve => {
|
| 1045 | wrappedSendResponse = function (response) {
|
| 1046 | if (!loggedSendResponseDeprecationWarning) {
|
| 1047 | console.warn(SEND_RESPONSE_DEPRECATION_WARNING, new Error().stack);
|
| 1048 | loggedSendResponseDeprecationWarning = true;
|
| 1049 | }
|
| 1050 | didCallSendResponse = true;
|
| 1051 | resolve(response);
|
| 1052 | };
|
| 1053 | });
|
| 1054 |
|
| 1055 | let result;
|
| 1056 | try {
|
| 1057 | result = listener(message, sender, wrappedSendResponse);
|
| 1058 | } catch (err) {
|
| 1059 | result = Promise.reject(err);
|
| 1060 | }
|
| 1061 |
|
| 1062 | const isResultThenable = result !== true && isThenable(result);
|
| 1063 |
|
| 1064 | // If the listener didn't returned true or a Promise, or called
|
| 1065 | // wrappedSendResponse synchronously, we can exit earlier
|
| 1066 | // because there will be no response sent from this listener.
|
| 1067 | if (result !== true && !isResultThenable && !didCallSendResponse) {
|
| 1068 | return false;
|
| 1069 | }
|
| 1070 |
|
| 1071 | // A small helper to send the message if the promise resolves
|
| 1072 | // and an error if the promise rejects (a wrapped sendMessage has
|
| 1073 | // to translate the message into a resolved promise or a rejected
|
| 1074 | // promise).
|
| 1075 | const sendPromisedResult = promise => {
|
| 1076 | promise.then(msg => {
|
| 1077 | // send the message value.
|
| 1078 | sendResponse(msg);
|
| 1079 | }, error => {
|
| 1080 | // Send a JSON representation of the error if the rejected value
|
| 1081 | // is an instance of error, or the object itself otherwise.
|
| 1082 | let message;
|
| 1083 | if (error && (error instanceof Error || typeof error.message === "string")) {
|
| 1084 | message = error.message;
|
| 1085 | } else {
|
| 1086 | message = "An unexpected error occurred";
|
| 1087 | }
|
| 1088 |
|
| 1089 | sendResponse({
|
| 1090 | __mozWebExtensionPolyfillReject__: true,
|
| 1091 | message
|
| 1092 | });
|
| 1093 | }).catch(err => {
|
| 1094 | // Print an error on the console if unable to send the response.
|
| 1095 | console.error("Failed to send onMessage rejected reply", err);
|
| 1096 | });
|
| 1097 | };
|
| 1098 |
|
| 1099 | // If the listener returned a Promise, send the resolved value as a
|
| 1100 | // result, otherwise wait the promise related to the wrappedSendResponse
|
| 1101 | // callback to resolve and send it as a response.
|
| 1102 | if (isResultThenable) {
|
| 1103 | sendPromisedResult(result);
|
| 1104 | } else {
|
| 1105 | sendPromisedResult(sendResponsePromise);
|
| 1106 | }
|
| 1107 |
|
| 1108 | // Let Chrome know that the listener is replying.
|
| 1109 | return true;
|
| 1110 | };
|
| 1111 | });
|
| 1112 |
|
| 1113 | const wrappedSendMessageCallback = ({ reject, resolve }, reply) => {
|
| 1114 | if (extensionAPIs.runtime.lastError) {
|
| 1115 | // Detect when none of the listeners replied to the sendMessage call and resolve
|
| 1116 | // the promise to undefined as in Firefox.
|
| 1117 | // See https://github.com/mozilla/webextension-polyfill/issues/130
|
| 1118 | if (extensionAPIs.runtime.lastError.message === CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE) {
|
| 1119 | resolve();
|
| 1120 | } else {
|
| 1121 | reject(extensionAPIs.runtime.lastError);
|
| 1122 | }
|
| 1123 | } else if (reply && reply.__mozWebExtensionPolyfillReject__) {
|
| 1124 | // Convert back the JSON representation of the error into
|
| 1125 | // an Error instance.
|
| 1126 | reject(new Error(reply.message));
|
| 1127 | } else {
|
| 1128 | resolve(reply);
|
| 1129 | }
|
| 1130 | };
|
| 1131 |
|
| 1132 | const wrappedSendMessage = (name, metadata, apiNamespaceObj, ...args) => {
|
| 1133 | if (args.length < metadata.minArgs) {
|
| 1134 | throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
|
| 1135 | }
|
| 1136 |
|
| 1137 | if (args.length > metadata.maxArgs) {
|
| 1138 | throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
|
| 1139 | }
|
| 1140 |
|
| 1141 | return new Promise((resolve, reject) => {
|
| 1142 | const wrappedCb = wrappedSendMessageCallback.bind(null, { resolve, reject });
|
| 1143 | args.push(wrappedCb);
|
| 1144 | apiNamespaceObj.sendMessage(...args);
|
| 1145 | });
|
| 1146 | };
|
| 1147 |
|
| 1148 | const staticWrappers = {
|
| 1149 | runtime: {
|
| 1150 | onMessage: wrapEvent(onMessageWrappers),
|
| 1151 | onMessageExternal: wrapEvent(onMessageWrappers),
|
| 1152 | sendMessage: wrappedSendMessage.bind(null, "sendMessage", { minArgs: 1, maxArgs: 3 })
|
| 1153 | },
|
| 1154 | tabs: {
|
| 1155 | sendMessage: wrappedSendMessage.bind(null, "sendMessage", { minArgs: 2, maxArgs: 3 })
|
| 1156 | }
|
| 1157 | };
|
| 1158 | const settingMetadata = {
|
| 1159 | clear: { minArgs: 1, maxArgs: 1 },
|
| 1160 | get: { minArgs: 1, maxArgs: 1 },
|
| 1161 | set: { minArgs: 1, maxArgs: 1 }
|
| 1162 | };
|
| 1163 | apiMetadata.privacy = {
|
| 1164 | network: {
|
| 1165 | networkPredictionEnabled: settingMetadata,
|
| 1166 | webRTCIPHandlingPolicy: settingMetadata
|
| 1167 | },
|
| 1168 | services: {
|
| 1169 | passwordSavingEnabled: settingMetadata
|
| 1170 | },
|
| 1171 | websites: {
|
| 1172 | hyperlinkAuditingEnabled: settingMetadata,
|
| 1173 | referrersEnabled: settingMetadata
|
| 1174 | }
|
| 1175 | };
|
| 1176 |
|
| 1177 | return wrapObject(extensionAPIs, staticWrappers, apiMetadata);
|
| 1178 | };
|
| 1179 |
|
| 1180 | // The build process adds a UMD wrapper around this file, which makes the
|
| 1181 | // `module` variable available.
|
| 1182 | module.exports = wrapAPIs(chrome);
|
| 1183 | } else {
|
| 1184 | module.exports = browser;
|
| 1185 | }
|
| 1186 | });
|
| 1187 | //# sourceMappingURL=browser-polyfill.js.map
|