110 lines
2.7 KiB
JavaScript
110 lines
2.7 KiB
JavaScript
/*
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* Copyright (C) 2020-2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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const fs = require('fs');
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const url = require('url');
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const path = require('path');
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const {JSZip} = require('./util');
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const {VM} = require('./vm');
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require('fake-indexeddb/auto');
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const chrome = {
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runtime: {
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getURL: (path2) => {
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return url.pathToFileURL(path.join(__dirname, '..', 'ext', path2.replace(/^\//, ''))).href;
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}
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}
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};
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class Image {
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constructor() {
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this._src = '';
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this._loadCallbacks = [];
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}
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get src() {
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return this._src;
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}
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set src(value) {
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this._src = value;
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this._delayTriggerLoad();
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}
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get naturalWidth() {
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return 100;
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}
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get naturalHeight() {
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return 100;
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}
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addEventListener(eventName, callback) {
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if (eventName === 'load') {
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this._loadCallbacks.push(callback);
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}
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}
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removeEventListener(eventName, callback) {
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if (eventName === 'load') {
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const index = this._loadCallbacks.indexOf(callback);
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if (index >= 0) {
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this._loadCallbacks.splice(index, 1);
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}
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}
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}
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async _delayTriggerLoad() {
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await Promise.resolve();
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for (const callback of this._loadCallbacks) {
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callback();
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}
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}
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}
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async function fetch(url2) {
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const filePath = url.fileURLToPath(url2);
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await Promise.resolve();
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const content = fs.readFileSync(filePath, {encoding: null});
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return {
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ok: true,
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status: 200,
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statusText: 'OK',
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text: async () => Promise.resolve(content.toString('utf8')),
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json: async () => Promise.resolve(JSON.parse(content.toString('utf8')))
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};
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}
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class DatabaseVM extends VM {
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constructor() {
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super({
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chrome,
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Image,
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fetch,
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indexedDB: global.indexedDB,
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IDBKeyRange: global.IDBKeyRange,
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JSZip
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});
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this.context.window = this.context;
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this.indexedDB = global.indexedDB;
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}
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}
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module.exports = {
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DatabaseVM
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};
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