Remove yarn

No other functionality beside was NPM has is needed

Author: netzartist

.github/workflows/gradle.yml

@@ -12,10 +12,10 @@ jobs:
     - uses: actions/setup-node@v1
       with:
         node-version: '10.x'
-    - name: Install yarn
-      run: cd client && yarn install
+    - name: Install NPM
+      run: cd client && npm install
     - name: Build provisioning-app FE
-      run: cd client && yarn build:prod
+      run: cd client && npm run build:prod
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:

build.gradle

@@ -183,15 +183,15 @@ gradleLint {
     rules = ['unused-dependency']
 }
 
-task yarnBuild(type:Exec) {
+task npmBuild(type:Exec) {
 
     workingDir 'client'
 
     //on windows:
-    commandLine 'cmd', '/c', 'yarn', 'build'
+    commandLine 'cmd', '/c', 'npm', 'run', 'build'
 
     //on linux
-    commandLine 'yarn', 'build'
+    commandLine 'npm', 'run', 'build'
 }
 
-bootRun.dependsOn yarnBuild
+bootRun.dependsOn npmBuild

client/.gitignore

@@ -37,7 +37,6 @@ speed-measure-plugin*.json
 /coverage
 /libpeerconnection.log
 npm-debug.log
-yarn-error.log
 testem.log
 /typings
 

client/README.md

@@ -16,16 +16,15 @@ To contribute to the further development, see section "Contributions welcome!" f
 - [Jest](https://jestjs.io/) as unit testing framework
 - [Prettier](https://prettier.io/) as pre-commit-hook
 - [SASS Lint](https://github.com/sasstools/sass-lint) to check scss files
-- [Yarn](https://yarnpkg.com/) as package manager
 
 See package.json for up-to-date version information.
 
 ## Getting started
 
 ### 1. Install dependencies
 
-- Install YARN globally: `npm install -g yarn`
-- Run `yarn`, this will install all dependencies
+- Eventually, install NPM first
+- Run `npm install` to install all dependencies
 
 ### 2. Configure API access from localhost
 
@@ -37,14 +36,14 @@ Doing this there's no need to run Spring Boot locally.
 
 ### 3. Test the setup
 
-Run `yarn start:dev` and when it succeeded open `http://localhost:4200` in your browser. You should see the Angular app starting. The app
+Run `npm run start:dev` and when it succeeded open `http://localhost:4200` in your browser. You should see the Angular app starting. The app
 will automatically reload if you change any of the source files.
 
 ## Development
 
 ### Dev Server
 
-`yarn start:dev`: Starts a live reload dev server on `http://localhost:4200/`
+`npm run start:dev`: Starts a live reload dev server on `http://localhost:4200/`
 
 ### Dev Server with SSL localhost
 
@@ -60,16 +59,16 @@ behaves correctly. Although not ideal, we discovered this as the most effortless
 
 ### Build
 
-`yarn build`: The build artifacts will be stored in the `dist/` directory. `yarn build:prod` will be used for the pipeline.
+`npm run build`: The build artifacts will be stored in the `dist/` directory. `yarn build:prod` will be used for the pipeline.
 
 ### Tests
 
-- Unittests: `yarn test` / `yarn test:watch`
+- Unittests: `npm run test` / `npm run test:watch`
 - E2E (Cypress): TODO
 
 ### Linting
 
-- `yarn lint`: Linting for Typescript and SCSS files.
+- `npm run lint`: Linting for Typescript and SCSS files.
 
 ### Prettier