feat: add execute release feature

Author: lekterable

.babelrc

@@ -1,3 +1,4 @@
 {
-  "presets": ["@babel/preset-env"]
+  "presets": ["@babel/preset-env"],
+  "plugins": ["@babel/plugin-transform-runtime"]
 }

bin/perfekt.js

@@ -1,11 +1,16 @@
 #!/usr/bin/env node
 
 const { program } = require('commander')
-const { changelog } = require('../dist').default
+const { changelog, release } = require('../dist')
 
 program
   .command('changelog')
   .description('generate package changelog')
   .action(() => changelog())
 
+program
+  .command('release <version>')
+  .description('execute a new release')
+  .action(version => release(version))
+
 program.parse(process.argv)

package-lock.json

@@ -30,10 +30,12 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "commander": "^5.0.0"
+    "commander": "^5.0.0",
+    "semver": "^7.3.2"
   },
   "devDependencies": {
     "@babel/core": "^7.9.0",
+    "@babel/plugin-transform-runtime": "^7.9.0",
     "@babel/preset-env": "^7.9.5",
     "@commitlint/cli": "^8.3.5",
     "@commitlint/config-conventional": "^8.3.4",

package.json

@@ -1,21 +1,39 @@
-import { exec } from 'child_process'
+import semver from 'semver'
+import { commitRelease, getCommitDetails, getCommits } from './utils'
 
-const changelog = () =>
-  exec('git log --format="%H %s"', (_, res) => {
-    let changelog = '## Latest\n\n'
-    const commits = res.split('\n').filter(commit => commit)
-    commits.forEach(commit => {
-      const {
-        groups: { hash, title }
-      } = commit.match(/(?<hash>.{40}) (?<title>.*)/)
-      const {
-        groups: { scope }
-      } = title.match(/(\w*)(?:\((?<scope>.*)\))?:/)
+export const changelog = async version => {
+  const title = version || 'Latest'
+  const commits = await getCommits()
+  const latestCommit = getCommitDetails(commits[0])
+  const isReleaseLatest = latestCommit.scope === 'release'
+  let changelog = isReleaseLatest ? '' : `## ${title}\n\n`
 
-      if (scope !== 'changelog') changelog += `- ${title} ${hash.slice(0, 8)}\n`
-    })
+  commits.forEach((commit, index) => {
+    const { title, scope, hash, message } = getCommitDetails(commit)
+    const nextCommit = getCommitDetails(commits[index + 1])
+    const isReleaseNext = nextCommit && nextCommit.scope === 'release'
 
-    return process.stdout.write(changelog)
+    if (scope === 'release') return (changelog += `## ${message}\n\n`)
+    if (scope !== 'changelog') {
+      return (changelog += `- ${title} ${hash.slice(0, 8)}\n${
+        isReleaseNext ? '\n' : ''
+      }`)
+    }
   })
 
-export default { changelog }
+  return process.stdout.write(changelog)
+}
+
+export const release = version => {
+  const newVersion = semver.valid(semver.coerce(version))
+  if (!newVersion) {
+    return console.error(`Version '${version}' doesnt look right`)
+  }
+
+  try {
+    changelog(newVersion)
+    commitRelease(newVersion)
+  } catch (error) {
+    console.error(error)
+  }
+}

src/index.js

@@ -0,0 +1,32 @@
+import { exec } from 'child_process'
+
+export const commitRelease = version =>
+  new Promise((resolve, reject) => {
+    exec(`git commit -m 'chore(release): ${version}'`, (err, res) => {
+      if (err) return reject(err)
+      resolve()
+    })
+  })
+
+export const getCommits = () =>
+  new Promise((resolve, reject) =>
+    exec('git log --format="%H %s"', (err, res) => {
+      if (err) return reject(err)
+
+      const commits = res.split('\n').filter(commit => commit)
+      resolve(commits)
+    })
+  )
+
+export const getCommitDetails = commit => {
+  if (!commit) return null
+
+  const {
+    groups: { hash, title }
+  } = commit.match(/(?<hash>.{40}) (?<title>.*)/)
+  const {
+    groups: { scope, message }
+  } = title.match(/(\w*)(?:\((?<scope>.*)\))?: (?<message>.*)/)
+
+  return { hash, title, scope, message }
+}