diff options
Diffstat (limited to 'data/extensions/jsr@javascriptrestrictor/nscl/lib/browser-polyfill.js')
| -rw-r--r-- | data/extensions/jsr@javascriptrestrictor/nscl/lib/browser-polyfill.js | 1224 |
1 files changed, 0 insertions, 1224 deletions
diff --git a/data/extensions/jsr@javascriptrestrictor/nscl/lib/browser-polyfill.js b/data/extensions/jsr@javascriptrestrictor/nscl/lib/browser-polyfill.js deleted file mode 100644 index e4ac9ea..0000000 --- a/data/extensions/jsr@javascriptrestrictor/nscl/lib/browser-polyfill.js +++ /dev/null @@ -1,1224 +0,0 @@ -(function (global, factory) { - if (typeof define === "function" && define.amd) { - define("webextension-polyfill", ["module"], factory); - } else if (typeof exports !== "undefined") { - factory(module); - } else { - var mod = { - exports: {} - }; - factory(mod); - global.browser = mod.exports; - } -})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (module) { - /* webextension-polyfill - v0.12.0 - Tue May 14 2024 18:01:29 */ - /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */ - /* vim: set sts=2 sw=2 et tw=80: */ - /* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - "use strict"; - - if (!(globalThis.chrome && globalThis.chrome.runtime && globalThis.chrome.runtime.id)) { - throw new Error("This script should only be loaded in a browser extension."); - } - if (!(globalThis.browser && globalThis.browser.runtime && globalThis.browser.runtime.id)) { - const CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE = "The message port closed before a response was received."; - - // Wrapping the bulk of this polyfill in a one-time-use function is a minor - // optimization for Firefox. Since Spidermonkey does not fully parse the - // contents of a function until the first time it's called, and since it will - // never actually need to be called, this allows the polyfill to be included - // in Firefox nearly for free. - const wrapAPIs = extensionAPIs => { - // NOTE: apiMetadata is associated to the content of the api-metadata.json file - // at build time by replacing the following "include" with the content of the - // JSON file. - const apiMetadata = { - "alarms": { - "clear": { - "minArgs": 0, - "maxArgs": 1 - }, - "clearAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "get": { - "minArgs": 0, - "maxArgs": 1 - }, - "getAll": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "bookmarks": { - "create": { - "minArgs": 1, - "maxArgs": 1 - }, - "get": { - "minArgs": 1, - "maxArgs": 1 - }, - "getChildren": { - "minArgs": 1, - "maxArgs": 1 - }, - "getRecent": { - "minArgs": 1, - "maxArgs": 1 - }, - "getSubTree": { - "minArgs": 1, - "maxArgs": 1 - }, - "getTree": { - "minArgs": 0, - "maxArgs": 0 - }, - "move": { - "minArgs": 2, - "maxArgs": 2 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeTree": { - "minArgs": 1, - "maxArgs": 1 - }, - "search": { - "minArgs": 1, - "maxArgs": 1 - }, - "update": { - "minArgs": 2, - "maxArgs": 2 - } - }, - "browserAction": { - "disable": { - "minArgs": 0, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "enable": { - "minArgs": 0, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "getBadgeBackgroundColor": { - "minArgs": 1, - "maxArgs": 1 - }, - "getBadgeText": { - "minArgs": 1, - "maxArgs": 1 - }, - "getPopup": { - "minArgs": 1, - "maxArgs": 1 - }, - "getTitle": { - "minArgs": 1, - "maxArgs": 1 - }, - "openPopup": { - "minArgs": 0, - "maxArgs": 0 - }, - "setBadgeBackgroundColor": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "setBadgeText": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "setIcon": { - "minArgs": 1, - "maxArgs": 1 - }, - "setPopup": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "setTitle": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - } - }, - "browsingData": { - "remove": { - "minArgs": 2, - "maxArgs": 2 - }, - "removeCache": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeCookies": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeDownloads": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeFormData": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeHistory": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeLocalStorage": { - "minArgs": 1, - "maxArgs": 1 - }, - "removePasswords": { - "minArgs": 1, - "maxArgs": 1 - }, - "removePluginData": { - "minArgs": 1, - "maxArgs": 1 - }, - "settings": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "commands": { - "getAll": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "contextMenus": { - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "update": { - "minArgs": 2, - "maxArgs": 2 - } - }, - "cookies": { - "get": { - "minArgs": 1, - "maxArgs": 1 - }, - "getAll": { - "minArgs": 1, - "maxArgs": 1 - }, - "getAllCookieStores": { - "minArgs": 0, - "maxArgs": 0 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "set": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "devtools": { - "inspectedWindow": { - "eval": { - "minArgs": 1, - "maxArgs": 2, - "singleCallbackArg": false - } - }, - "panels": { - "create": { - "minArgs": 3, - "maxArgs": 3, - "singleCallbackArg": true - }, - "elements": { - "createSidebarPane": { - "minArgs": 1, - "maxArgs": 1 - } - } - } - }, - "downloads": { - "cancel": { - "minArgs": 1, - "maxArgs": 1 - }, - "download": { - "minArgs": 1, - "maxArgs": 1 - }, - "erase": { - "minArgs": 1, - "maxArgs": 1 - }, - "getFileIcon": { - "minArgs": 1, - "maxArgs": 2 - }, - "open": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "pause": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeFile": { - "minArgs": 1, - "maxArgs": 1 - }, - "resume": { - "minArgs": 1, - "maxArgs": 1 - }, - "search": { - "minArgs": 1, - "maxArgs": 1 - }, - "show": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - } - }, - "extension": { - "isAllowedFileSchemeAccess": { - "minArgs": 0, - "maxArgs": 0 - }, - "isAllowedIncognitoAccess": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "history": { - "addUrl": { - "minArgs": 1, - "maxArgs": 1 - }, - "deleteAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "deleteRange": { - "minArgs": 1, - "maxArgs": 1 - }, - "deleteUrl": { - "minArgs": 1, - "maxArgs": 1 - }, - "getVisits": { - "minArgs": 1, - "maxArgs": 1 - }, - "search": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "i18n": { - "detectLanguage": { - "minArgs": 1, - "maxArgs": 1 - }, - "getAcceptLanguages": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "identity": { - "launchWebAuthFlow": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "idle": { - "queryState": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "management": { - "get": { - "minArgs": 1, - "maxArgs": 1 - }, - "getAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "getSelf": { - "minArgs": 0, - "maxArgs": 0 - }, - "setEnabled": { - "minArgs": 2, - "maxArgs": 2 - }, - "uninstallSelf": { - "minArgs": 0, - "maxArgs": 1 - } - }, - "notifications": { - "clear": { - "minArgs": 1, - "maxArgs": 1 - }, - "create": { - "minArgs": 1, - "maxArgs": 2 - }, - "getAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "getPermissionLevel": { - "minArgs": 0, - "maxArgs": 0 - }, - "update": { - "minArgs": 2, - "maxArgs": 2 - } - }, - "pageAction": { - "getPopup": { - "minArgs": 1, - "maxArgs": 1 - }, - "getTitle": { - "minArgs": 1, - "maxArgs": 1 - }, - "hide": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "setIcon": { - "minArgs": 1, - "maxArgs": 1 - }, - "setPopup": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "setTitle": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - }, - "show": { - "minArgs": 1, - "maxArgs": 1, - "fallbackToNoCallback": true - } - }, - "permissions": { - "contains": { - "minArgs": 1, - "maxArgs": 1 - }, - "getAll": { - "minArgs": 0, - "maxArgs": 0 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "request": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "runtime": { - "getBackgroundPage": { - "minArgs": 0, - "maxArgs": 0 - }, - "getPlatformInfo": { - "minArgs": 0, - "maxArgs": 0 - }, - "openOptionsPage": { - "minArgs": 0, - "maxArgs": 0 - }, - "requestUpdateCheck": { - "minArgs": 0, - "maxArgs": 0 - }, - "sendMessage": { - "minArgs": 1, - "maxArgs": 3 - }, - "sendNativeMessage": { - "minArgs": 2, - "maxArgs": 2 - }, - "setUninstallURL": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "sessions": { - "getDevices": { - "minArgs": 0, - "maxArgs": 1 - }, - "getRecentlyClosed": { - "minArgs": 0, - "maxArgs": 1 - }, - "restore": { - "minArgs": 0, - "maxArgs": 1 - } - }, - "storage": { - "local": { - "clear": { - "minArgs": 0, - "maxArgs": 0 - }, - "get": { - "minArgs": 0, - "maxArgs": 1 - }, - "getBytesInUse": { - "minArgs": 0, - "maxArgs": 1 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "set": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "managed": { - "get": { - "minArgs": 0, - "maxArgs": 1 - }, - "getBytesInUse": { - "minArgs": 0, - "maxArgs": 1 - } - }, - "sync": { - "clear": { - "minArgs": 0, - "maxArgs": 0 - }, - "get": { - "minArgs": 0, - "maxArgs": 1 - }, - "getBytesInUse": { - "minArgs": 0, - "maxArgs": 1 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "set": { - "minArgs": 1, - "maxArgs": 1 - } - } - }, - "tabs": { - "captureVisibleTab": { - "minArgs": 0, - "maxArgs": 2 - }, - "create": { - "minArgs": 1, - "maxArgs": 1 - }, - "detectLanguage": { - "minArgs": 0, - "maxArgs": 1 - }, - "discard": { - "minArgs": 0, - "maxArgs": 1 - }, - "duplicate": { - "minArgs": 1, - "maxArgs": 1 - }, - "executeScript": { - "minArgs": 1, - "maxArgs": 2 - }, - "get": { - "minArgs": 1, - "maxArgs": 1 - }, - "getCurrent": { - "minArgs": 0, - "maxArgs": 0 - }, - "getZoom": { - "minArgs": 0, - "maxArgs": 1 - }, - "getZoomSettings": { - "minArgs": 0, - "maxArgs": 1 - }, - "goBack": { - "minArgs": 0, - "maxArgs": 1 - }, - "goForward": { - "minArgs": 0, - "maxArgs": 1 - }, - "highlight": { - "minArgs": 1, - "maxArgs": 1 - }, - "insertCSS": { - "minArgs": 1, - "maxArgs": 2 - }, - "move": { - "minArgs": 2, - "maxArgs": 2 - }, - "query": { - "minArgs": 1, - "maxArgs": 1 - }, - "reload": { - "minArgs": 0, - "maxArgs": 2 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "removeCSS": { - "minArgs": 1, - "maxArgs": 2 - }, - "sendMessage": { - "minArgs": 2, - "maxArgs": 3 - }, - "setZoom": { - "minArgs": 1, - "maxArgs": 2 - }, - "setZoomSettings": { - "minArgs": 1, - "maxArgs": 2 - }, - "update": { - "minArgs": 1, - "maxArgs": 2 - } - }, - "topSites": { - "get": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "webNavigation": { - "getAllFrames": { - "minArgs": 1, - "maxArgs": 1 - }, - "getFrame": { - "minArgs": 1, - "maxArgs": 1 - } - }, - "webRequest": { - "handlerBehaviorChanged": { - "minArgs": 0, - "maxArgs": 0 - } - }, - "windows": { - "create": { - "minArgs": 0, - "maxArgs": 1 - }, - "get": { - "minArgs": 1, - "maxArgs": 2 - }, - "getAll": { - "minArgs": 0, - "maxArgs": 1 - }, - "getCurrent": { - "minArgs": 0, - "maxArgs": 1 - }, - "getLastFocused": { - "minArgs": 0, - "maxArgs": 1 - }, - "remove": { - "minArgs": 1, - "maxArgs": 1 - }, - "update": { - "minArgs": 2, - "maxArgs": 2 - } - } - }; - if (Object.keys(apiMetadata).length === 0) { - throw new Error("api-metadata.json has not been included in browser-polyfill"); - } - - /** - * A WeakMap subclass which creates and stores a value for any key which does - * not exist when accessed, but behaves exactly as an ordinary WeakMap - * otherwise. - * - * @param {function} createItem - * A function which will be called in order to create the value for any - * key which does not exist, the first time it is accessed. The - * function receives, as its only argument, the key being created. - */ - class DefaultWeakMap extends WeakMap { - constructor(createItem, items = undefined) { - super(items); - this.createItem = createItem; - } - get(key) { - if (!this.has(key)) { - this.set(key, this.createItem(key)); - } - return super.get(key); - } - } - - /** - * Returns true if the given object is an object with a `then` method, and can - * therefore be assumed to behave as a Promise. - * - * @param {*} value The value to test. - * @returns {boolean} True if the value is thenable. - */ - const isThenable = value => { - return value && typeof value === "object" && typeof value.then === "function"; - }; - - /** - * Creates and returns a function which, when called, will resolve or reject - * the given promise based on how it is called: - * - * - If, when called, `chrome.runtime.lastError` contains a non-null object, - * the promise is rejected with that value. - * - If the function is called with exactly one argument, the promise is - * resolved to that value. - * - Otherwise, the promise is resolved to an array containing all of the - * function's arguments. - * - * @param {object} promise - * An object containing the resolution and rejection functions of a - * promise. - * @param {function} promise.resolve - * The promise's resolution function. - * @param {function} promise.reject - * The promise's rejection function. - * @param {object} metadata - * Metadata about the wrapped method which has created the callback. - * @param {boolean} metadata.singleCallbackArg - * Whether or not the promise is resolved with only the first - * argument of the callback, alternatively an array of all the - * callback arguments is resolved. By default, if the callback - * function is invoked with only a single argument, that will be - * resolved to the promise, while all arguments will be resolved as - * an array if multiple are given. - * - * @returns {function} - * The generated callback function. - */ - const makeCallback = (promise, metadata) => { - return (...callbackArgs) => { - if (extensionAPIs.runtime.lastError) { - promise.reject(new Error(extensionAPIs.runtime.lastError.message)); - } else if (metadata.singleCallbackArg || callbackArgs.length <= 1 && metadata.singleCallbackArg !== false) { - promise.resolve(callbackArgs[0]); - } else { - promise.resolve(callbackArgs); - } - }; - }; - const pluralizeArguments = numArgs => numArgs == 1 ? "argument" : "arguments"; - - /** - * Creates a wrapper function for a method with the given name and metadata. - * - * @param {string} name - * The name of the method which is being wrapped. - * @param {object} metadata - * Metadata about the method being wrapped. - * @param {integer} metadata.minArgs - * The minimum number of arguments which must be passed to the - * function. If called with fewer than this number of arguments, the - * wrapper will raise an exception. - * @param {integer} metadata.maxArgs - * The maximum number of arguments which may be passed to the - * function. If called with more than this number of arguments, the - * wrapper will raise an exception. - * @param {boolean} metadata.singleCallbackArg - * Whether or not the promise is resolved with only the first - * argument of the callback, alternatively an array of all the - * callback arguments is resolved. By default, if the callback - * function is invoked with only a single argument, that will be - * resolved to the promise, while all arguments will be resolved as - * an array if multiple are given. - * - * @returns {function(object, ...*)} - * The generated wrapper function. - */ - const wrapAsyncFunction = (name, metadata) => { - return function asyncFunctionWrapper(target, ...args) { - if (args.length < metadata.minArgs) { - throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`); - } - if (args.length > metadata.maxArgs) { - throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`); - } - return new Promise((resolve, reject) => { - if (metadata.fallbackToNoCallback) { - // This API method has currently no callback on Chrome, but it return a promise on Firefox, - // and so the polyfill will try to call it with a callback first, and it will fallback - // to not passing the callback if the first call fails. - try { - target[name](...args, makeCallback({ - resolve, - reject - }, metadata)); - } catch (cbError) { - console.warn(`${name} API method doesn't seem to support the callback parameter, ` + "falling back to call it without a callback: ", cbError); - target[name](...args); - - // Update the API method metadata, so that the next API calls will not try to - // use the unsupported callback anymore. - metadata.fallbackToNoCallback = false; - metadata.noCallback = true; - resolve(); - } - } else if (metadata.noCallback) { - target[name](...args); - resolve(); - } else { - target[name](...args, makeCallback({ - resolve, - reject - }, metadata)); - } - }); - }; - }; - - /** - * Wraps an existing method of the target object, so that calls to it are - * intercepted by the given wrapper function. The wrapper function receives, - * as its first argument, the original `target` object, followed by each of - * the arguments passed to the original method. - * - * @param {object} target - * The original target object that the wrapped method belongs to. - * @param {function} method - * The method being wrapped. This is used as the target of the Proxy - * object which is created to wrap the method. - * @param {function} wrapper - * The wrapper function which is called in place of a direct invocation - * of the wrapped method. - * - * @returns {Proxy<function>} - * A Proxy object for the given method, which invokes the given wrapper - * method in its place. - */ - const wrapMethod = (target, method, wrapper) => { - return new Proxy(method, { - apply(targetMethod, thisObj, args) { - return wrapper.call(thisObj, target, ...args); - } - }); - }; - let hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty); - - /** - * Wraps an object in a Proxy which intercepts and wraps certain methods - * based on the given `wrappers` and `metadata` objects. - * - * @param {object} target - * The target object to wrap. - * - * @param {object} [wrappers = {}] - * An object tree containing wrapper functions for special cases. Any - * function present in this object tree is called in place of the - * method in the same location in the `target` object tree. These - * wrapper methods are invoked as described in {@see wrapMethod}. - * - * @param {object} [metadata = {}] - * An object tree containing metadata used to automatically generate - * Promise-based wrapper functions for asynchronous. Any function in - * the `target` object tree which has a corresponding metadata object - * in the same location in the `metadata` tree is replaced with an - * automatically-generated wrapper function, as described in - * {@see wrapAsyncFunction} - * - * @returns {Proxy<object>} - */ - const wrapObject = (target, wrappers = {}, metadata = {}) => { - let cache = Object.create(null); - let handlers = { - has(proxyTarget, prop) { - return prop in target || prop in cache; - }, - get(proxyTarget, prop, receiver) { - if (prop in cache) { - return cache[prop]; - } - if (!(prop in target)) { - return undefined; - } - let value = target[prop]; - if (typeof value === "function") { - // This is a method on the underlying object. Check if we need to do - // any wrapping. - - if (typeof wrappers[prop] === "function") { - // We have a special-case wrapper for this method. - value = wrapMethod(target, target[prop], wrappers[prop]); - } else if (hasOwnProperty(metadata, prop)) { - // This is an async method that we have metadata for. Create a - // Promise wrapper for it. - let wrapper = wrapAsyncFunction(prop, metadata[prop]); - value = wrapMethod(target, target[prop], wrapper); - } else { - // This is a method that we don't know or care about. Return the - // original method, bound to the underlying object. - value = value.bind(target); - } - } else if (typeof value === "object" && value !== null && (hasOwnProperty(wrappers, prop) || hasOwnProperty(metadata, prop))) { - // This is an object that we need to do some wrapping for the children - // of. Create a sub-object wrapper for it with the appropriate child - // metadata. - value = wrapObject(value, wrappers[prop], metadata[prop]); - } else if (hasOwnProperty(metadata, "*")) { - // Wrap all properties in * namespace. - value = wrapObject(value, wrappers[prop], metadata["*"]); - } else { - // We don't need to do any wrapping for this property, - // so just forward all access to the underlying object. - Object.defineProperty(cache, prop, { - configurable: true, - enumerable: true, - get() { - return target[prop]; - }, - set(value) { - target[prop] = value; - } - }); - return value; - } - cache[prop] = value; - return value; - }, - set(proxyTarget, prop, value, receiver) { - if (prop in cache) { - cache[prop] = value; - } else { - target[prop] = value; - } - return true; - }, - defineProperty(proxyTarget, prop, desc) { - return Reflect.defineProperty(cache, prop, desc); - }, - deleteProperty(proxyTarget, prop) { - return Reflect.deleteProperty(cache, prop); - } - }; - - // Per contract of the Proxy API, the "get" proxy handler must return the - // original value of the target if that value is declared read-only and - // non-configurable. For this reason, we create an object with the - // prototype set to `target` instead of using `target` directly. - // Otherwise we cannot return a custom object for APIs that - // are declared read-only and non-configurable, such as `chrome.devtools`. - // - // The proxy handlers themselves will still use the original `target` - // instead of the `proxyTarget`, so that the methods and properties are - // dereferenced via the original targets. - let proxyTarget = Object.create(target); - return new Proxy(proxyTarget, handlers); - }; - - /** - * Creates a set of wrapper functions for an event object, which handles - * wrapping of listener functions that those messages are passed. - * - * A single wrapper is created for each listener function, and stored in a - * map. Subsequent calls to `addListener`, `hasListener`, or `removeListener` - * retrieve the original wrapper, so that attempts to remove a - * previously-added listener work as expected. - * - * @param {DefaultWeakMap<function, function>} wrapperMap - * A DefaultWeakMap object which will create the appropriate wrapper - * for a given listener function when one does not exist, and retrieve - * an existing one when it does. - * - * @returns {object} - */ - const wrapEvent = wrapperMap => ({ - addListener(target, listener, ...args) { - target.addListener(wrapperMap.get(listener), ...args); - }, - hasListener(target, listener) { - return target.hasListener(wrapperMap.get(listener)); - }, - removeListener(target, listener) { - target.removeListener(wrapperMap.get(listener)); - } - }); - const onRequestFinishedWrappers = new DefaultWeakMap(listener => { - if (typeof listener !== "function") { - return listener; - } - - /** - * Wraps an onRequestFinished listener function so that it will return a - * `getContent()` property which returns a `Promise` rather than using a - * callback API. - * - * @param {object} req - * The HAR entry object representing the network request. - */ - return function onRequestFinished(req) { - const wrappedReq = wrapObject(req, {} /* wrappers */, { - getContent: { - minArgs: 0, - maxArgs: 0 - } - }); - listener(wrappedReq); - }; - }); - const onMessageWrappers = new DefaultWeakMap(listener => { - if (typeof listener !== "function") { - return listener; - } - - /** - * Wraps a message listener function so that it may send responses based on - * its return value, rather than by returning a sentinel value and calling a - * callback. If the listener function returns a Promise, the response is - * sent when the promise either resolves or rejects. - * - * @param {*} message - * The message sent by the other end of the channel. - * @param {object} sender - * Details about the sender of the message. - * @param {function(*)} sendResponse - * A callback which, when called with an arbitrary argument, sends - * that value as a response. - * @returns {boolean} - * True if the wrapped listener returned a Promise, which will later - * yield a response. False otherwise. - */ - return function onMessage(message, sender, sendResponse) { - let didCallSendResponse = false; - let wrappedSendResponse; - let sendResponsePromise = new Promise(resolve => { - wrappedSendResponse = function (response) { - didCallSendResponse = true; - resolve(response); - }; - }); - let result; - try { - result = listener(message, sender, wrappedSendResponse); - } catch (err) { - result = Promise.reject(err); - } - const isResultThenable = result !== true && isThenable(result); - - // If the listener didn't returned true or a Promise, or called - // wrappedSendResponse synchronously, we can exit earlier - // because there will be no response sent from this listener. - if (result !== true && !isResultThenable && !didCallSendResponse) { - return false; - } - - // A small helper to send the message if the promise resolves - // and an error if the promise rejects (a wrapped sendMessage has - // to translate the message into a resolved promise or a rejected - // promise). - const sendPromisedResult = promise => { - promise.then(msg => { - // send the message value. - sendResponse(msg); - }, error => { - // Send a JSON representation of the error if the rejected value - // is an instance of error, or the object itself otherwise. - let message; - if (error && (error instanceof Error || typeof error.message === "string")) { - message = error.message; - } else { - message = "An unexpected error occurred"; - } - sendResponse({ - __mozWebExtensionPolyfillReject__: true, - message - }); - }).catch(err => { - // Print an error on the console if unable to send the response. - console.error("Failed to send onMessage rejected reply", err); - }); - }; - - // If the listener returned a Promise, send the resolved value as a - // result, otherwise wait the promise related to the wrappedSendResponse - // callback to resolve and send it as a response. - if (isResultThenable) { - sendPromisedResult(result); - } else { - sendPromisedResult(sendResponsePromise); - } - - // Let Chrome know that the listener is replying. - return true; - }; - }); - const wrappedSendMessageCallback = ({ - reject, - resolve - }, reply) => { - if (extensionAPIs.runtime.lastError) { - // Detect when none of the listeners replied to the sendMessage call and resolve - // the promise to undefined as in Firefox. - // See https://github.com/mozilla/webextension-polyfill/issues/130 - if (extensionAPIs.runtime.lastError.message === CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE) { - resolve(); - } else { - reject(new Error(extensionAPIs.runtime.lastError.message)); - } - } else if (reply && reply.__mozWebExtensionPolyfillReject__) { - // Convert back the JSON representation of the error into - // an Error instance. - reject(new Error(reply.message)); - } else { - resolve(reply); - } - }; - const wrappedSendMessage = (name, metadata, apiNamespaceObj, ...args) => { - if (args.length < metadata.minArgs) { - throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`); - } - if (args.length > metadata.maxArgs) { - throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`); - } - return new Promise((resolve, reject) => { - const wrappedCb = wrappedSendMessageCallback.bind(null, { - resolve, - reject - }); - args.push(wrappedCb); - apiNamespaceObj.sendMessage(...args); - }); - }; - const staticWrappers = { - devtools: { - network: { - onRequestFinished: wrapEvent(onRequestFinishedWrappers) - } - }, - runtime: { - onMessage: wrapEvent(onMessageWrappers), - onMessageExternal: wrapEvent(onMessageWrappers), - sendMessage: wrappedSendMessage.bind(null, "sendMessage", { - minArgs: 1, - maxArgs: 3 - }) - }, - tabs: { - sendMessage: wrappedSendMessage.bind(null, "sendMessage", { - minArgs: 2, - maxArgs: 3 - }) - } - }; - const settingMetadata = { - clear: { - minArgs: 1, - maxArgs: 1 - }, - get: { - minArgs: 1, - maxArgs: 1 - }, - set: { - minArgs: 1, - maxArgs: 1 - } - }; - apiMetadata.privacy = { - network: { - "*": settingMetadata - }, - services: { - "*": settingMetadata - }, - websites: { - "*": settingMetadata - } - }; - return wrapObject(extensionAPIs, staticWrappers, apiMetadata); - }; - - // The build process adds a UMD wrapper around this file, which makes the - // `module` variable available. - module.exports = wrapAPIs(chrome); - } else { - module.exports = globalThis.browser; - } -}); |