Update travis ci to use stage & deploy on branch (#956)

.travis.yml

-sudo: false
 language: node_js
-
 node_js:
   - "8"
 
@@ -19,22 +17,46 @@ cache:
   directories:
     - node_modules
 
-before_install:
-
 install:
-  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew update; brew cleanup; brew cask cleanup; fi
-  # - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew uninstall --force brew-cask; brew update; fi
+  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew update; fi
+  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew cleanup; fi
+  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew cask cleanup; fi
+  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew install jq; fi
   - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew install moreutils; fi
   - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew install shellcheck; fi
-  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then brew install jq; fi
   - npm install
 
 script:
   - echo $TRAVIS_OS_NAME
   - node --version
   - npm --version
-  - npm run test
-  - npm run test:npm && echo 'Npm packing test is passed'
+  - npm test
+
+after_success:
+  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then npm run coverage; fi
+
+stages:
+  - test
+  - pack
+  - name: deploy
+    if: branch = /^(master|v\d+\.\d+)/
+
+jobs:
+  include:
+    - stage: pack
+      script:
+        - npm run test:pack && echo 'Npm packing test is passed'
+
+    - stage: deploy
+      script:
+        - echo "Deploying to NPM ..."
+        - npm version
+        - npm run dist
+
+      deploy:
+        provider: npm
+        email: zixia@zixia.net
+        api_key: "$NPM_TOKEN"
 
 notifications:
   webhooks:
@@ -46,16 +68,3 @@ notifications:
   email:
     on_success: change
     on_failure: change
-
-after_success:
-  - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then npm run coverage; fi
-
-before_deploy:
-  - npm version
-  - npm run dist
-
-deploy:
-  provider: npm
-  email: zixia@zixia.net
-  api_key: "$NPM_TOKEN"
-  skip_cleanup: true

package.json

@@ -29,7 +29,7 @@
     "sloc": "sloc bin example src test index.ts --details --format cli-table --keys total,source,comment && sloc bin example src test index.ts",
     "test": "npm run clean && npm run lint && npm run test:unit && npm run test:shell && npm run sloc",
     "test:linux": "npm run pretest && parallel ts-node -- ./src/**/*.spec.ts ./test/**/*.spec.ts && npm run posttest",
-    "test:npm": "npm run dist && export TMPDIR=/tmp/wechaty.$$ && npm pack && mkdir $TMPDIR && mv wechaty-*.*.*.tgz $TMPDIR && cp test/fixture/smoke-testing.js $TMPDIR && cd $TMPDIR && npm init -y && npm i wechaty-*.*.*.tgz && node smoke-testing.js",
+    "test:pack": "npm run dist && export TMPDIR=/tmp/wechaty.$$ && npm pack && mkdir $TMPDIR && mv wechaty-*.*.*.tgz $TMPDIR && cp test/fixture/smoke-testing.js $TMPDIR && cd $TMPDIR && npm init -y && npm i wechaty-*.*.*.tgz && node smoke-testing.js",
     "test:shell": "shellcheck bin/*.sh",
     "test:unit": "blue-tape -r ts-node/register -r source-map-support/register \"src/**/*.spec.ts\" \"tests/**/*.spec.ts\"",
     "test:win32": "npm run test:unit",