added bump & push scripts

package.json

@@ -29,12 +29,18 @@
     "url": "https://github.com/amsul/pickadate.js.git"
   },
   "scripts": {
+    "prebump": "npm test",
+    "bump": "node ./version-bump.js",
+    "postbump": "grunt package && node ./version-commit.js",
+    "push": "git push && git push origin --tags && npm publish",
     "test": "grunt test --verbose"
   },
   "dependencies": {
     "jquery": ">=1.7"
   },
   "devDependencies": {
+    "commander": "^2.8.0",
+    "glob": "^5.0.5",
     "grunt": "^0.4.5",
     "grunt-autoprefixer": "^3.0.0",
     "grunt-contrib-copy": "^0.8.0",
@@ -45,6 +51,8 @@
     "grunt-contrib-uglify": "^0.9.1",
     "grunt-contrib-watch": "^0.6.1",
     "phantomjs": "^1.9.16",
+    "semver": "^4.3.3",
+    "shelljs": "^0.4.0",
     "zlib-browserify": "0.0.3"
   }
-}
+}

version-bump.js

@@ -0,0 +1,78 @@
+/*jshint node: true*/
+
+var program = require('commander')
+var semver = require('semver')
+var grunt = require('grunt')
+var glob = require('glob').sync
+
+
+program
+  .option('-p, --patch', 'set the version as the next patch')
+  .option('-m, --minor', 'set the version as the next minor')
+  .option('-M, --major', 'set the version as the next major')
+  .parse(process.argv)
+
+
+if (program.patch) {
+  bumpVersion('patch')
+  return
+}
+
+if (program.minor) {
+  bumpVersion('minor')
+  return
+}
+
+if (program.major) {
+  bumpVersion('major')
+  return
+}
+
+grunt.fail.fatal('No release type specified')
+return
+
+
+function bumpVersion(release) {
+  grunt.log.writeln('Bumping package version by a ' + release)
+  var version = readPackageVersion()
+  grunt.log.writeln('Current package version: ' + version)
+  version = semver.inc(version, release)
+  grunt.log.writeln('Updated package version: ' + version)
+  writePackageVersion(version)
+  grunt.log.writeln('Done updating the package version')
+  updateLibraryFiles(version)
+  grunt.log.writeln('Done updating the library files')
+}
+
+
+function readPackageVersion() {
+  var pkg = require('./package')
+  return pkg.version
+}
+
+
+function writePackageVersion(version) {
+  var pkg = require('./package')
+  pkg.version = version
+  grunt.file.write('./package.json', JSON.stringify(pkg, null, '  '))
+}
+
+
+function updateLibraryFiles(version) {
+
+  var versionRegex = /^(\s*\/\*![^\/]+?v)(\d+\.\d+\.\d+)(([^\n]+?)(\d+\/\d+\/\d+))?/
+  var today = grunt.template.today('yyyy/mm/dd')
+  var files = glob('lib/*.js')
+
+  files.forEach(updateLibraryFile)
+
+  function updateLibraryFile(filePath) {
+    var content = grunt.file.read(filePath)
+    if (versionRegex.test(content)) {
+      content = content.split(versionRegex)
+      content = content[1] + version + (content[4] || '') + (content[5] ? today : '') + (content[6] || '')
+    }
+    grunt.file.write(filePath, content)
+  }
+
+}

version-commit.js

@@ -0,0 +1,24 @@
+/*jshint node: true*/
+
+var grunt = require('grunt')
+var exec = require('shelljs').exec
+
+var pkg = require('./package')
+
+
+var isSuccessful = commitAndTag(pkg.version)
+if (!isSuccessful) {
+  grunt.fail.fatal('Unable to commit and tag version')
+}
+
+return
+
+
+function commitAndTag(version) {
+  var code = exec([
+    'git add .',
+    'git commit -m "Release v' + version + '"',
+    'git tag ' + version,
+  ].join(' && ')).code
+  return !code
+}