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The Builder test harness previously used the deprecated `TestProjectHost` to perform a variety of file operations during builder unit tests. However, the `TestProjectHost` is deprecated and uses several layers of rxjs to perform the file operations. The test harness now uses the Node.js `fs` builtin to directly perform the file operations. This removes several layers of indirection between the harness and the actual underlying file operations. The removal of the rxjs operation chaining also reduces stack traces and makes debugging test issues less complicated.
@angular-devkit/build-angular
This package contains Architect builders used to build and test Angular applications and libraries.
Builders
| Name | Description |
|---|---|
| app-shell | Build an Angular App shell. |
| browser | Build an Angular application targeting a browser environment. |
| dev-server | A development server that provides live reloading. |
| extract-i18n | Extract i18n messages from an Angular application. |
| karma | Execute unit tests using Karma test runner. |
| ng-packagr | Build and package an Angular library in Angular Package Format (APF) format using ng-packagr. |
| server | Build an Angular application targeting a Node.js environment. |
| protractor | Deprecated - Run end-to-end tests using Protractor framework. |
Disclaimer
While the builders when executed via the Angular CLI and their associated options are considered stable, the programmatic APIs are not considered officially supported and are not subject to the breaking change guarantees of SemVer.