chore(build): Add release script for maintenance

CONTRIBUTING.md

@@ -27,6 +27,7 @@ will be done on the maintenance version.
 To run this project, you will need:
 
 - Node.js >= v7.10.0 and <= 8, use nvm - [install instructions](https://github.com/creationix/nvm#install-script)
+- yarn https://yarnpkg.com/en/
 
 ## Development
 
@@ -67,8 +68,19 @@ Files are automatically formatted with prettier.
 
 ## Release
 
+### Main version
+For the main version, go on master (`git checkout master`) and use:
+
+```sh
+yarn run release
+```
+
+### Maintenance version
+
+For the maintenance version, go on maintenance (`git checkout maintenance`) and use:
+
 ```sh
-npm run release
+yarn run release-maintenance
 ```
 
 ## Update docs

package.json

@@ -21,6 +21,7 @@
     "finish-release": "./scripts/finish-release.sh",
     "view-changelog": "conventional-changelog -p angular",
     "release": "./scripts/release.sh",
+    "release-maintenance": "./scripts/release-maintenance.sh",
     "test": "BABEL_ENV=test mocha --opts scripts/mocha.opts --reporter dot && npm run lint",
     "test:watch": "BABEL_ENV=test mocha --opts scripts/mocha.opts --reporter min --watch",
     "test:functional": "wdio functional-tests/wdio.conf.js",

scripts/release-maintenance.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+
+[ -z $HOTFIX ] && HOTFIX='0'
+
+set -e # exit when error
+
+if [[ -n $(npm owner add `npm whoami`) ]]; then
+  printf "Release: Not an owner of the npm repo, ask for it\n"
+  exit 1
+fi
+
+currentBranch=`git rev-parse --abbrev-ref HEAD`
+if [ $currentBranch != 'maintenance' ]; then
+  printf "Release: You must be on maintenance\n"
+  exit 1
+fi
+
+if [[ -n $(git status --porcelain) ]]; then
+  printf "Release: Working tree is not clean (git status)\n"
+  exit 1
+fi
+
+printf "Release: install dependencies"
+yarn
+
+currentVersion=`cat package.json | json version`
+
+# header
+printf "\n\nRelease: current version is $currentVersion"
+printf "\nRelease: a changelog will be generated only if a fix/feat/performance/breaking token is found in git log"
+printf "\nRelease: you must choose a new ve.rs.ion (semver)"
+printf "\nRelease: press q to exit the next screen\n\n"
+
+# preview changelog
+read -p "=> Release: press [ENTER] to view changes since latest version.."
+
+conventional-changelog --preset angular --output-unreleased | less
+
+# choose and bump new version
+# printf "\n\nRelease: Please enter the new chosen version > "
+printf "\n=> Release: please type the new chosen version > "
+read -e newVersion
+VERSION=$newVersion babel-node ./scripts/bump-package-version.js
+
+# build new version
+NODE_ENV=production VERSION=$newVersion npm run build
+
+# update changelog
+printf "\n\nRelease: update changelog"
+changelog=`conventional-changelog -p angular`
+conventional-changelog --preset angular --infile CHANGELOG.md --same-file
+
+# regenerate readme TOC
+printf "\n\nRelease: generate TOCS"
+npm run doctoc
+
+# regenerate widgets jsdoc
+printf "\n\nRelease: regenerate widgets jsdoc"
+npm run docs:jsdoc
+
+# regenerate yarn.lock
+printf "Release: update yarn.lock"
+yarn
+
+# git add and tag
+commitMessage="v$newVersion\n\n$changelog"
+git add src/lib/version.js yarn.lock package.json CHANGELOG.md README.md CONTRIBUTING.md docs/_includes/widget-jsdoc
+printf "$commitMessage" | git commit --file -
+git tag "v$newVersion"
+
+printf "\n\nRelease: almost done, check everything in another terminal tab.\n"
+read -p "=> Release: when ready, press [ENTER] to push to github and publish the package"
+
+printf "\n\nRelease: push to github, publish on npm"
+git push origin maintenance
+git push origin --tags
+npm publish
+
+printf "Release:
+Package was published to npm.
+A job on travis-ci will be automatically launched to finalize the release."