opentelemetry-js/scripts/extract-latest-release-note...

24 lines
864 B
JavaScript

/**
* This extracts the latest (non-"Unreleased") notes from a CHANGELOG.md and saves them to `./.tmp/release-notes.md`
*
* Usage (from project root):
* - node scripts/extract-latest-release-notes.js [PATH TO CHANGELOG]
* Examples:
* - node scripts/extract-latest-release-notes.js ./packages/CHANGELOG.md
* - node scripts/extract-latest-release-notes.js ./experimental/CHANGELOG.md
*/
const fs = require('fs');
const changelog = fs.readFileSync(process.argv[2]).toString();
// Matches everything from the first entry at h2 ('##') followed by a space and a non-prerelease semver version
// until the next entry at h2.
const firstReleaseNoteEntryExp = /^## \d+\.\d+\.\d\n.*?(?=^## )/ms;
fs.mkdirSync('./.tmp/', {
recursive: true
});
const notesFile = './.tmp/release-notes.md'
fs.writeFileSync(notesFile, changelog.match(firstReleaseNoteEntryExp)[0]);