SingleFile/extension/core/bg/devtools.js

/*
 * Copyright 2010-2019 Gildas Lormeau
 * contact : gildas.lormeau <at> gmail.com
 * 
 * This file is part of SingleFile.
 *
 *   The code in this file is free software: you can redistribute it and/or 
 *   modify it under the terms of the GNU Affero General Public License 
 *   (GNU AGPL) as published by the Free Software Foundation, either version 3
 *   of the License, or (at your option) any later version.
 * 
 *   The code in this file 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 Affero 
 *   General Public License for more details.
 *
 *   As additional permission under GNU AGPL version 3 section 7, you may 
 *   distribute UNMODIFIED VERSIONS OF THIS file without the copy of the GNU 
 *   AGPL normally required by section 4, provided you include this license 
 *   notice and a URL through which recipients can access the Corresponding 
 *   Source.
 */

/* global singlefile */

singlefile.extension.core.bg.devtools = (() => {

	const updatedResources = {};

	return {
		onMessage,
		onTabRemoved,
		onTabUpdated,
		getUpdatedResources: tabId => updatedResources[tabId]
	};

	async function onTabRemoved(tabId) {
		delete updatedResources[tabId];
	}

	async function onTabUpdated(tabId) {
		delete updatedResources[tabId];
	}

	function onMessage(message) {
		if (message.method.endsWith(".resourceCommitted")) {
			if (message.tabId && message.url && (message.type == "stylesheet" || message.type == "script")) {
				const tabId = message.tabId;
				if (!updatedResources[tabId]) {
					updatedResources[tabId] = {};
				}
				updatedResources[tabId][message.url] = { content: message.content, type: message.type, encoding: message.encoding };
			}
		}
	}

})();