46 lines
1.3 KiB
JavaScript
Executable File
46 lines
1.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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import * as fs from 'fs';
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import semver from 'semver';
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const changelogPath = 'CHANGELOG.md';
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const changelog = fs.readFileSync(changelogPath, 'utf8');
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/*
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Parse the raw changelog text and split it into individual releases.
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This regular expression:
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- Matches lines starting with "## x.x.x".
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- Groups the version number.
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- Skips the (optional) release date.
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- Groups the changelog content.
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- Ends when another "## x.x.x" is found.
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*/
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const regex = /^## (\d+\.\d+\.\d+.*?)\n(.+?)(?=\n^## \d+\.\d+\.\d+.*?\n)/gms;
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let releaseNotes = [];
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let match;
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// eslint-disable-next-line no-cond-assign
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while (match = regex.exec(changelog)) {
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releaseNotes.push({
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'version': match[1],
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'changelog': match[2].trim(),
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});
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}
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const latest = releaseNotes[0];
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const previous = releaseNotes[1];
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// Print the release notes template.
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const templatedReleaseNotes = `https://github.com/maplibre/maplibre-gl-js
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[Changes](https://github.com/maplibre/maplibre-gl-js/compare/v${previous.version}...v${latest.version}) since [MapLibre GL JS v${previous.version}](https://github.com/maplibre/maplibre-gl-js/releases/tag/v${previous.version}):
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${latest.changelog}
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${semver.prerelease(latest.version) ? 'Pre-release version' : ''}`;
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// eslint-disable-next-line eol-last
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process.stdout.write(templatedReleaseNotes.trimEnd());
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