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* Add WebExtension class * Use WebExtension class * Use WebExtension instance for all runtime message sending * Use getUrl * Add a sendMessage variant which ignores the response and error
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|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /* | ||
| * Copyright (C) 2024 Yomitan Authors | ||
| * | ||
| * This program 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. | ||
| * | ||
| * This program 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 this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| import {EventDispatcher} from '../core/event-dispatcher.js'; | ||
| import {toError} from '../core/to-error.js'; | ||
|
|
||
| /** | ||
| * @augments EventDispatcher<import('web-extension').Events> | ||
| */ | ||
| export class WebExtension extends EventDispatcher { | ||
| constructor() { | ||
| super(); | ||
| /** @type {boolean} */ | ||
| this._unloaded = false; | ||
| } | ||
|
|
||
| /** @type {boolean} */ | ||
| get unloaded() { | ||
| return this._unloaded; | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} path | ||
| * @returns {string} | ||
| */ | ||
| getUrl(path) { | ||
| return chrome.runtime.getURL(path); | ||
| } | ||
|
|
||
| /** | ||
| * @param {unknown} message | ||
| * @param {(response: unknown) => void} responseCallback | ||
| * @throws {Error} | ||
| */ | ||
| sendMessage(message, responseCallback) { | ||
| try { | ||
| chrome.runtime.sendMessage(message, responseCallback); | ||
| } catch (error) { | ||
| this.triggerUnloaded(); | ||
| throw toError(error); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param {unknown} message | ||
| * @returns {Promise<unknown>} | ||
| */ | ||
| sendMessagePromise(message) { | ||
| return new Promise((resolve, reject) => { | ||
| try { | ||
| this.sendMessage(message, (response) => { | ||
| const error = this.getLastError(); | ||
| if (error !== null) { | ||
| reject(error); | ||
| } else { | ||
| resolve(response); | ||
| } | ||
| }); | ||
| } catch (error) { | ||
| reject(error); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * @param {unknown} message | ||
| */ | ||
| sendMessageIgnoreResponse(message) { | ||
| this.sendMessage(message, () => { | ||
| // Clear the last error | ||
| this.getLastError(); | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * @returns {?Error} | ||
| */ | ||
| getLastError() { | ||
| const {lastError} = chrome.runtime; | ||
| if (typeof lastError !== 'undefined') { | ||
| const {message} = lastError; | ||
| return new Error(typeof message === 'string' ? message : 'An unknown web extension error occured'); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| /** */ | ||
| triggerUnloaded() { | ||
| if (this._unloaded) { return; } | ||
| this._unloaded = true; | ||
| this.trigger('unloaded', {}); | ||
| } | ||
| } |
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