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/*
* Copyright (C) 2020-2021 Yomichan 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/>.
*/
const fs = require('fs');
const url = require('url');
const path = require('path');
const {JSZip} = require('./util');
const {VM} = require('./vm');
require('fake-indexeddb/auto');
const chrome = {
runtime: {
getURL: (path2) => {
return url.pathToFileURL(path.join(__dirname, '..', 'ext', path2.replace(/^\//, ''))).href;
}
}
};
class Image {
constructor() {
this._src = '';
this._loadCallbacks = [];
}
get src() {
return this._src;
}
set src(value) {
this._src = value;
this._delayTriggerLoad();
}
get naturalWidth() {
return 100;
}
get naturalHeight() {
return 100;
}
addEventListener(eventName, callback) {
if (eventName === 'load') {
this._loadCallbacks.push(callback);
}
}
removeEventListener(eventName, callback) {
if (eventName === 'load') {
const index = this._loadCallbacks.indexOf(callback);
if (index >= 0) {
this._loadCallbacks.splice(index, 1);
}
}
}
removeAttribute() {
// NOP
}
async _delayTriggerLoad() {
await Promise.resolve();
for (const callback of this._loadCallbacks) {
callback();
}
}
}
class Blob {
constructor(array, options) {
this._array = array;
this._options = options;
}
}
async function fetch(url2) {
const extDir = path.join(__dirname, '..', 'ext');
let filePath;
try {
filePath = url.fileURLToPath(url2);
} catch (e) {
filePath = path.resolve(extDir, url2.replace(/^[/\\]/, ''));
}
await Promise.resolve();
const content = fs.readFileSync(filePath, {encoding: null});
return {
ok: true,
status: 200,
statusText: 'OK',
text: async () => Promise.resolve(content.toString('utf8')),
json: async () => Promise.resolve(JSON.parse(content.toString('utf8')))
};
}
function atob(data) {
return Buffer.from(data, 'base64').toString('ascii');
}
class DatabaseVM extends VM {
constructor(globals={}) {
super(Object.assign({
chrome,
Image,
Blob,
fetch,
indexedDB: global.indexedDB,
IDBKeyRange: global.IDBKeyRange,
JSZip,
atob
}, globals));
this.context.window = this.context;
this.indexedDB = global.indexedDB;
}
}
module.exports = {
DatabaseVM
};
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