Feature/add yarn packaging (webpack#3125)

TheLarkInn · web-flow · commit ef6c54e9d426 · 2016-10-12T02:13:37.000-05:00
* feat(yarn): add yarn packaging, lockfile, and update CI scripts

* chore(yarn): updated CONTRIBUTING to reflect new install instructions with yarn

* fix(ci): yarn ../webpack --force doesn't work lets try CONTRIBUTING form for ci instructions
diff --git a/.travis.yml b/.travis.yml
@@ -18,8 +18,10 @@ env:
   - NO_WATCH_TESTS=1
 
 install:
-  - npm link ../webpack --force
-  - npm install
+  - npm install yarn -g
+  - yarn install
+  - yarn link
+  - yarn link webpack
 
 after_success:
   - cat ./coverage/lcov.info | node_modules/.bin/coveralls --verbose
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -28,15 +28,16 @@ documentation pages:
 ```bash
 git clone https://github.com/webpack/webpack.git
 cd webpack
-npm install
-npm link
-npm link webpack
+npm install -g yarn
+yarn install
+yarn link
+yarn link webpack
 ```
 
 To run the entire test suite use:
 
 ```bash
-npm test
+yarn test
 ```
 
 ## Submitting Changes
diff --git a/appveyor.yml b/appveyor.yml
@@ -12,8 +12,10 @@ environment:
 
 install:
   - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version)
-  - npm link ../webpack --force
-  - npm install --msvs_version=2013
+  - npm install yarn -g
+  - yarn install --msvs_version=2013
+  - yarn link
+  - yarn link webpack
 
 build: off
 
@@ -23,4 +25,5 @@ matrix:
 test_script:
   - node --version
   - npm --version
+  - yarn --version
   - cmd: npm run appveyor
diff --git a/yarn.lock b/yarn.lock
