build: switch to yarn (#161)

Author: chrismwendt

.releaserc.yml

@@ -7,7 +7,7 @@ verifyConditions:
 prepare:
   # Build bundles and output them to the dist folders
   - path: '@semantic-release/exec'
-    cmd: npm run build
+    cmd: yarn run build
   # Update Firefox manifest version, create xpi and zip sources
   - path: semantic-release-firefox
     distFolder: &firefoxDistFolder build/firefox
@@ -48,8 +48,8 @@ publish:
 
       Running from source:
 
-      1.  With npm 6 installed, run `npm install`
-      2.  npm run build
+      1.  With yarn 1.9.4 installed, run `yarn`
+      2.  yarn run build
       3.  Go to about:debugging
       4.  Select "Enable add-on debugging"
       5.  Load Temporary Add-on

.travis.yml

@@ -12,12 +12,17 @@ env:
     - FORCE_COLOR=1
 
 cache:
+  yarn: true
   directories:
-    - ~/.npm
+    - node_modules
     - ~/.cache
 
+before_install:
+  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.9.4
+  - export PATH="$HOME/.yarn/bin:$PATH"
+
 install:
-  - npm ci
+  - yarn --frozen-lockfile
 
 jobs:
   include:
@@ -26,14 +31,14 @@ jobs:
         - CYPRESS_INSTALL_BINARY=0
         - PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
       script:
-        - npm run prettier
-        - npm run tslint
-        - npm run build
+        - yarn run prettier
+        - yarn run tslint
+        - yarn run build
     - stage: test
       env:
         - PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
       script:
-        - npm run test:e2e
+        - yarn run test:e2e
     - stage: release
       env:
         - CYPRESS_INSTALL_BINARY=0

Makefile

@@ -3,11 +3,11 @@
 default: bundle
 
 install:
-	npm install
+	yarn install
 
 build: install
-	npm run tslint
-	npm run build
+	yarn run tslint
+	yarn run build
 
 bundle: clean build all
 
@@ -39,10 +39,10 @@ watch-all:
 	fswatch -o ./dist | xargs -n1 $(MAKE) all
 
 test-unit:
-	npm run test
+	yarn run test
 
 test-watch:
-	npm run test:auto
+	yarn run test:auto
 
 
 selenium-chrome: build

README.md

@@ -64,16 +64,16 @@ It works as follows:
 ## Requirements
 
 - `node`
-- `npm`
+- `yarn`
 - `make`
 
 ## Development
 
 For each browser run:
 
 ```bash
-$ npm install
-$ npm run dev
+$ yarn
+$ yarn run dev
 ```
 
 Now, follow the steps below for the browser you intend to work with.
@@ -97,7 +97,7 @@ Click reload for Sourcegraph at `chrome://extensions`
 In a separate terminal session run:
 
 ```bash
-npm run dev:firefox
+yarn run dev:firefox
 ```
 
 A Firefox window will be spun up with the extension already installed.
@@ -109,7 +109,7 @@ Save a file and wait for webpack to finish rebuilding.
 #### Caveats
 
 The window that is spun up is completely separate from any existing sessions you have on Firefox.
-You'll have to sign into everything at the begining of each development session(each time you run `npm run dev:firefox`).
+You'll have to sign into everything at the begining of each development session(each time you run `yarn run dev:firefox`).
 You should ensure you're signed into any Sourcegraph instance you point the extension at as well as Github.
 
 ### Firefox (manual)