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fix(@schematics/angular): apply viewEncapsulation to generated application components - #34389
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This pull request updates the Angular application schematic to configure viewEncapsulation directly on the root component (via the @component decorator) instead of setting defaultEncapsulation globally in main.ts during bootstrapping. It also ensures that viewEncapsulation is added to the component schematic defaults in the workspace configuration when provided, and includes comprehensive unit tests to verify these changes. There are no review comments, so I have no feedback to provide.
alan-agius4
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Oct 19, 2026
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…ication components The `viewEncapsulation` option of the application schematic had no effect. The root component template did not set `encapsulation`, the value was not added to the component schematic defaults, so components generated later used the default encapsulation, and the `defaultEncapsulation` option added to `bootstrapModule` in `main.ts` for NgModule applications is only used by the JIT compiler. Set `encapsulation` on the root component, add `viewEncapsulation` to the component schematic defaults in `angular.json`, and remove the ineffective `defaultEncapsulation` option from `main.ts`. Fixes angular#34388
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The
viewEncapsulationoption of the application schematic had no effect. The root component template did not setencapsulation, the value was not added to the component schematic defaults, so components generated later used the default encapsulation, and thedefaultEncapsulationoption added tobootstrapModuleinmain.tsfor NgModule applications is only used by the JIT compiler.Set
encapsulationon the root component, addviewEncapsulationto the component schematic defaults inangular.json, and remove the ineffectivedefaultEncapsulationoption frommain.ts.Fixes #34388