git ssb

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const fs = require('fs')
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const path = require('path')
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const version = process.env.npm_package_version
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if (version == null) {
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  throw new Error('no version found, are you running from npm? try `npm run release-notes`')
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}
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const template = fs.readFileSync(path.join(__dirname, '..', 'docs', 'release-notes-template.md'), 'utf8')
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const changelog = fs.readFileSync(path.join(__dirname, '..', 'docs', 'CHANGELOG.md'), 'utf8')
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let record = false
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const lines = changelog.split('\n')
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const relevantLines = lines.reduce((acc, cur) => {
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  if (cur.startsWith('## ')) {
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    if (cur.startsWith(`## v${version}`)) {
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      record = true
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      return acc
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    } else {
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      record = false
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      return acc
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    }
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  }
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  if (record) {
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    acc.push(cur)
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  }
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  return acc
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}, [])
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const changes = relevantLines.join('\n')
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const releaseNotes = template
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  .replace(/\$\$VERSION/g, version)
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  .replace(/\$\$CHANGES/g, changes)
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console.log(releaseNotes)
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