grunt release tasks

grunt/tasks/release.js

@@ -1,3 +1,79 @@
-module.exports = function () {
-    
+/**
+ * Register release-related tasks.
+ */
+
+module.exports = function (grunt) {
+
+  /**
+   * Update manifest file versions.
+   */
+
+  grunt.registerTask('version', function (version) {
+    var manifests = ['package', 'bower', 'component']
+    manifests.forEach(function (file) {
+      file = file + '.json'
+      var json = grunt.file.read(file)
+      json = json.replace(
+        /"version"\s*:\s*"(.+?)"/,
+        '"version": "' + version + '"'
+      )
+      grunt.file.write(file, json)
+      console.log('updated ' + blue(file))
+    })
+  })
+
+  /**
+   * Commit & push to branches & tags + npm publish
+   */
+
+  grunt.registerTask('git', function (version) {
+    var ShellTask = require('shell-task')
+    new ShellTask('git add -A')
+      .then('git commit -m "[release] ' + version + '"')
+      .then('git tag ' + version)
+      .then('git push')
+      .then('git push origin refs/tags/' + version)
+      .then('npm publish')
+      .run(this.async())
+  })
+
+  /**
+   * Main release routine.
+   */
+
+  grunt.registerTask('release', function (version) {
+
+    var semver = require('semver')
+    var readline = require('readline')
+    var done = this.async()
+    var current = grunt.config.get('version')
+    var next = semver.inc(current, version || 'patch') || version
+
+    if (!semver.valid(next)) {
+      return grunt.fail.warn('Invalid version.')
+    }
+    if (semver.lt(next, current)) {
+      return grunt.fail.warn('Version is older than current.')
+    }
+
+    readline.createInterface({
+      input: process.stdin,
+      output: process.stdout
+    }).question('Releasing version ' + next + '. Continue? (Y/n)', function (answer) {
+      if (!answer || answer.toLowerCase() === 'y') {
+        console.log(blue('Releasing: ' + next))
+        grunt.config.set('version', next)
+        grunt.task.run([
+          'default',
+          'version:' + next
+          // 'git:' + next
+        ])
+      }
+      done()
+    })
+  })
+
+  function blue (str) {
+    return '\x1b[1m\x1b[34m' + str + '\x1b[39m\x1b[22m'
+  }
 }

package.json

@@ -34,6 +34,8 @@
     "karma-jasmine": "^0.2.2",
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-sauce-launcher": "^0.2.10",
+    "semver": "^4.0.3",
+    "shell-task": "^1.0.0",
     "uglify-js": "^2.4.15",
     "webpack": "^1.4.4"
   }