chore(): enable yarn package management (#484)

* chore: Enable yarn package management

* chore: phantomjs yarn workaround

* chore(pacakge): bump phantomjs for npm_config_tmp fix

* chore: add yarn bug issue reference

* chore: treat lock file as binary

* docs(readme): add note for node-sass / yarn issue

* ci(Travis): build only master / develop

 - Prevents pull requests executing builds twice
 - Builds master + develop branches plus pull requests

.gitattributes

@@ -0,0 +1 @@
+yarn.lock -diff

.travis.yml

@@ -1,8 +1,12 @@
-sudo: required  
+sudo: required
 dist: trusty
 language: node_js
 node_js:
 - '6.9.4'
+branches:
+  only:
+    - master
+    - develop
 addons:
   firefox: latest
 before_script:
@@ -11,7 +15,8 @@ before_script:
 - sh -e /etc/init.d/xvfb start
 install:
 - npm i process-nextick-args util-deprecate buffer-shims
-- npm install
+- yarn install
+- npm rebuild node-sass # Workaround for https://github.com/yarnpkg/yarn/issues/1981
 script:
 - npm run lint
 - npm run test

README.md

@@ -22,7 +22,7 @@ Covalent is a reusable UI platform from Teradata for building web applications w
 * Install Node packages `npm i`
 * Update Webdriver `webdriver-manager update` and `./node_modules/.bin/webdriver-manager update`
 * Run local build `ng serve` or `ng serve --aot`
-
+* If using yarn locally, `npm rebuild node-sass` is required for https://github.com/yarnpkg/yarn/issues/1981 as of `v0.22.0`
 ---
 
 * [Getting Started](docs/GETTING_STARTED.md)

package.json

@@ -107,7 +107,7 @@
     "karma-coverage-istanbul-reporter": "^0.3.0",
     "merge2": "1.0.2",
     "node-sass": "3.8.0",
-    "phantomjs-prebuilt": "2.1.7",
+    "phantomjs-prebuilt": "2.1.14",
     "protractor": "~5.1.0",
     "require-dir": "0.3.0",
     "rollup": "^0.35.9",
@@ -118,4 +118,4 @@
     "tslint": "^4.5.1",
     "typescript": "^2.1.6"
   }
-}
+}