31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
/**
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* This extracts the latest (non-"Unreleased") notes from CHANGELOG.md files and saves them to `./.tmp/release-notes.md`.
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* Concatenates the output when multiple paths are passed as arguments.
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*
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* Usage (from project root):
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* - node scripts/extract-latest-release-notes.js [PATH TO CHANGELOG]...
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* Examples:
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* - node scripts/extract-latest-release-notes.js ./packages/CHANGELOG.md
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* - node scripts/extract-latest-release-notes.js ./experimental/CHANGELOG.md
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* - node scripts/extract-latest-release-notes.js ./api/CHANGELOG.md ./packages/CHANGELOG.md ./experimental/CHANGELOG.md
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*/
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const fs = require('fs');
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function extractLatestChangelog(changelogPath) {
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const changelog = fs.readFileSync(changelogPath).toString();
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// Matches everything from the first entry at h2 ('##') followed by a space and a non-prerelease semver version
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// until the next entry at h2.
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const firstReleaseNoteEntryExp = /^## \d+\.\d+\.\d\n.*?(?=^## )/ms;
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return changelog.match(firstReleaseNoteEntryExp)[0];
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}
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fs.mkdirSync('./.tmp/', {
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recursive: true
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});
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const notesFile = './.tmp/release-notes.md'
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const changelogFilePaths = process.argv.slice(2);
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fs.writeFileSync(notesFile, changelogFilePaths.map(filePath => extractLatestChangelog(filePath)).join('\n'));
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