Set up ship.js

Author: Demivan

ship.config.js

@@ -0,0 +1,61 @@
+const execa = require(require.resolve('execa'))
+const { promisify } = require('util')
+const fs = require('fs')
+const path = require('path')
+const read = promisify(fs.readFile)
+const write = fs.writeFileSync
+
+function extractSpecificChangelog (changelog, version) {
+  if (!changelog) {
+    return null
+  }
+  const escapedVersion = version.replace(/\./g, '\\.')
+  const regex = new RegExp(
+    `(#+?\\s\\[?v?${escapedVersion}\\]?[\\s\\S]*?)(#+?\\s\\[?v?\\d+?\\.\\d+?\\.\\d+?\\]?)`,
+    'g'
+  )
+  const matches = regex.exec(changelog)
+  return matches ? matches[1] : null
+}
+
+async function commitChangelog (current, next) {
+  const { stdout } = await execa('npx', ['lerna-changelog', '--next-version', `v${next}`])
+  const escapedVersion = next.replace(/\./g, '\\.')
+  const regex = new RegExp(
+    `(#+?\\s\\[?v?${escapedVersion}\\]?[\\s\\S]*?)(#+?\\s\\[?v?\\d\\.\\d\\.\\d\\]?)`,
+    'g'
+  )
+  const matches = regex.exec(stdout.toString())
+  const head = matches ? matches[1] : stdout
+  const changelog = await read('./CHANGELOG.md', 'utf8')
+  return write('./CHANGELOG.md', `${head}\n\n${changelog}`)
+}
+
+module.exports = {
+  updateChangelog: false,
+  beforeCommitChanges: ({ nextVersion, exec, dir }) => {
+    return new Promise((resolve) => {
+      const pkg = require('./package.json')
+      commitChangelog(pkg.version, nextVersion).then(resolve)
+    })
+  },
+  formatCommitMessage: ({ version, releaseType, mergeStrategy, baseBranch }) =>
+    `${releaseType} release v${version}`,
+  formatPullRequestTitle: ({ version, releaseType }) => `${releaseType} release v${version}`,
+  shouldRelease: () => true,
+  releases: {
+    extractChangelog: ({ version, dir }) => {
+      const changelogPath = path.resolve(dir, 'CHANGELOG.md')
+      try {
+        const changelogFile = fs.readFileSync(changelogPath, 'utf-8').toString()
+        const ret = extractSpecificChangelog(changelogFile, version)
+        return ret
+      } catch (err) {
+        if (err.code === 'ENOENT') {
+          return null
+        }
+        throw err
+      }
+    }
+  }
+}