druid/website/script/link-lint.js

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const path = require('path');
const fg = require('fast-glob');
const fs = require('fs-extra');
const entries = fg.sync(['./build/ApacheDruid/docs/**/*.html'])
function hasAnchor(html, anchor) {
anchor = anchor.replace('#', '');
return html.includes(`name="${anchor}"`) || html.includes(`id="${anchor}"`);
}
const issues = [];
entries.forEach((entry) => {
const cnt = fs.readFileSync(entry, 'utf-8');
const links = cnt.match(/href="([^"#]+)?(#[^"]+)?"/g);
if (!links) return;
links.forEach(link => {
if (link === `href=""`) return;
const match = link.match(/^href="([^"#]+)?(#[^"]+)?"$/);
if (!match) throw new Error(`something went wrong for: ${link}`);
const url = match[1];
const anchor = match[2];
if (url) {
// Ignore external links
if (url.includes('://')) return;
// Ignore external doc links
if (url.startsWith('/') && !url.startsWith('/docs/')) return;
// This one will get created externally
if (url === '/docs/latest') return;
const target = url.startsWith('/')
? './build/ApacheDruid' + url
: path.resolve(path.dirname(entry), url);
let targetHtml;
try {
targetHtml = fs.readFileSync(target, 'utf-8');
} catch (e) {
issues.push(`Could not find '${url}' linked from '${entry}'`);
return;
}
if (anchor && !hasAnchor(targetHtml, anchor)) {
issues.push(`Could not find anchor '${anchor}' in '${url}' linked from '${entry}'`)
}
} else {
if (anchor) {
if (!hasAnchor(cnt, anchor)) {
issues.push(`Could not find self anchor '${anchor}' in '${entry}'`)
}
} else {
throw new Error(`should not get here with: ${link} in '${entry}'`);
}
}
});
});
if (issues.length) {
issues.push(`There are ${issues.length} issues`);
console.error(issues.join('\n'));
process.exit(1);
}