Switching to yarn to manage node.js modules

.travis.yml

@@ -49,8 +49,8 @@ install:
 
   # Build js and css assets
   - php artisan lang:generate
-  - npm install
-  - npm run production
+  - yarn install
+  - yarn run production
 
 before_script:
   - php artisan migrate --env=testing --no-interaction -vvv
@@ -82,6 +82,7 @@ after_script:
   - if [[ "$COVERAGE" == "1" ]]; then scripts/tests/travis-sonar.sh; fi
 
 cache:
+  yarn: true
   directories:
     - $HOME/.composer/cache/files
     - node_modules
@@ -121,8 +122,8 @@ jobs:
         - travis_retry composer install --no-interaction --no-suggest --ignore-platform-reqs --no-dev
         # Build js and css assets
         - php artisan lang:generate
-        - npm install
-        - npm run production
+        - yarn install
+        - yarn run production
 
       before_script: skip
 

Makefile

@@ -55,14 +55,14 @@ build: build-dev
 build-prod:
 	composer install --no-interaction --no-suggest --ignore-platform-reqs --no-dev
 	php artisan lang:generate
-	npm install
-	npm run production
+	yarn install
+	yarn run production
 
 build-dev:
 	composer install --no-interaction --no-suggest --ignore-platform-reqs
 	php artisan lang:generate
-	npm install
-	npm run dev
+	yarn install
+	yarn run dev
 
 prepare: $(DESTDIR) $(ASSETS)
 	mkdir -p results