Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.

Run ng generate component component-name to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module.

Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.

Run ng test to execute the unit tests Jest

• ng new t_angularjest
• npm remove karma karma-chrome-launcher karma-coverage-istanbul-reporter karma-jasmine karma-jasmine-html-reporter
• rm src/karma.conf.js src/test.ts karma.conf.js test.ts
• npm install -D jest @angular-builders/jest @types/jest
• Use the tsconfig.spec.json file here
• Update tsconfig.json file with the info here
• Update angular.json to replace the angular build karma
• Create new file jest.config.js