Parse `CHANGELOG.md` for versions of Node.js used by the documentation feature `View another version` so that we don't have to manually update the list when we cut a new version or transition a release to LTS. PR-URL: https://github.com/nodejs/node/pull/27661 Reviewed-By: Rich Trott <rtrott@gmail.com>
46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
'use strict';
|
|
|
|
let _versions;
|
|
|
|
const getUrl = (url) => {
|
|
return new Promise((resolve, reject) => {
|
|
const https = require('https');
|
|
const request = https.get(url, (response) => {
|
|
if (response.statusCode !== 200) {
|
|
reject(new Error(
|
|
`Failed to get ${url}, status code ${response.statusCode}`));
|
|
}
|
|
response.setEncoding('utf8');
|
|
let body = '';
|
|
response.on('data', (data) => body += data);
|
|
response.on('end', () => resolve(body));
|
|
});
|
|
request.on('error', (err) => reject(err));
|
|
});
|
|
};
|
|
|
|
module.exports = {
|
|
async versions() {
|
|
if (_versions) {
|
|
return _versions;
|
|
}
|
|
|
|
// The CHANGELOG.md on release branches may not reference newer semver
|
|
// majors of Node.js so fetch and parse the version from the master branch.
|
|
const githubContentUrl = 'https://raw.githubusercontent.com/nodejs/node/';
|
|
const changelog = await getUrl(`${githubContentUrl}/master/CHANGELOG.md`);
|
|
const ltsRE = /Long Term Support/i;
|
|
const versionRE = /\* \[Node\.js ([0-9.]+)\][^-—]+[-—]\s*(.*)\n/g;
|
|
_versions = [];
|
|
let match;
|
|
while ((match = versionRE.exec(changelog)) != null) {
|
|
const entry = { num: `${match[1]}.x` };
|
|
if (ltsRE.test(match[2])) {
|
|
entry.lts = true;
|
|
}
|
|
_versions.push(entry);
|
|
}
|
|
return _versions;
|
|
}
|
|
};
|