add script/changelog.js

script/changelog.js

@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+const semanticRelease = require('semantic-release')
+const {spawnSync} = require('child_process')
+const {WritableStreamBuffer} = require('stream-buffers')
+
+const branch = spawnSync('git', ['symbolic-ref', '--short', 'HEAD'], {encoding: 'utf8'}).stdout.trim()
+const options = {branch, dryRun: true}
+console.warn(`Running semantic-release with options: ${JSON.stringify(options)}...`)
+semanticRelease(options, {
+  stdout: new WritableStreamBuffer(),
+  stderr: new WritableStreamBuffer()
+}).then(result => {
+  const {
+    nextRelease: {version, notes}
+  } = result
+  console.warn(`Release ${version} notes:\n`)
+  console.log(notes)
+})