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V8 currently has a performance defect involving object spread operations that can cause degradation in runtime performance. By specifically not supporting the object spread language feature when using the esbuild-based browser application builder, a downlevel form will be used instead which provides a workaround for the performance issue. The downlevel form can cause up to a 600 byte increase in file size if an object spread operation would otherwise be present in an output file. For more details: https://bugs.chromium.org/p/v8/issues/detail?id=11536
@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.