yomichan/dev/lint/html-scripts.js

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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 path = require('path');
const assert = require('assert');
const {JSDOM} = require('jsdom');
const {getAllFiles} = require('../util');
function lstatSyncSafe(fileName) {
try {
return fs.lstatSync(fileName);
} catch (e) {
return null;
}
}
function validatePath(src, fileName, extDir) {
assert.ok(typeof src === 'string', `<script> missing src attribute in ${fileName}`);
assert.ok(src.startsWith('/'), `<script> src attribute is not absolute in ${fileName} (src=${JSON.stringify(src)})`);
const relativeSrc = src.substring(1);
assert.ok(!path.isAbsolute(relativeSrc), `<script> src attribute is invalid in ${fileName} (src=${JSON.stringify(src)})`);
const fullSrc = path.join(extDir, relativeSrc);
const stats = lstatSyncSafe(fullSrc);
assert.ok(stats !== null, `<script> src file not found in ${fileName} (src=${JSON.stringify(src)})`);
assert.ok(stats.isFile(), `<script> src file invalid in ${fileName} (src=${JSON.stringify(src)})`);
}
function validateHtmlScripts(fileName, extDir) {
const domSource = fs.readFileSync(fileName, {encoding: 'utf8'});
const dom = new JSDOM(domSource);
const {window} = dom;
const {document} = window;
try {
for (const {src} of document.querySelectorAll('script')) {
validatePath(src, fileName, extDir);
}
for (const {href} of document.querySelectorAll('link')) {
validatePath(href, fileName, extDir);
}
} finally {
window.close();
}
}
function main() {
try {
const extDir = path.resolve(__dirname, '..', '..', 'ext');
const pattern = /\.html$/;
const ignorePattern = /[\\/]ext[\\/]lib[\\/]/;
const fileNames = getAllFiles(extDir, null, (f) => pattern.test(f) && !ignorePattern.test(f));
for (const fileName of fileNames) {
validateHtmlScripts(fileName, extDir);
}
} catch (e) {
console.error(e);
process.exit(-1);
return;
}
process.exit(0);
}
if (require.main === module) { main(); }