refactor(@angular-devkit/build-angular): move babel build optimizer plugins from @angular/build - #33751
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alan-agius4 merged 1 commit intoAug 5, 2026
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This pull request relocates several Babel plugins (including adjust-static-class-members, adjust-typescript-enums, elide-angular-metadata, and pure-toplevel-functions) from @angular/build to @angular-devkit/build-angular. This involves updating dependencies, moving type declarations, and adjusting how these plugins are loaded in the application preset. The reviewer suggests statically importing these relocated plugins at the top of application.ts instead of using dynamic require calls inside the function, which would improve type safety and static analysis.
…lugins from @angular/build
The Babel-based build optimizer plugins ('adjust-static-class-members', 'adjust-typescript-enums', 'elide-angular-metadata', and 'pure-toplevel-functions') are no longer used by '@angular/build', which now uses an OXC-based AST transform for optimization in esbuild.
This change relocates these plugins and their associated unit tests out of '@angular/build' and directly into '@angular-devkit/build-angular', which is their sole remaining consumer.
Moving these plugins also allows removing '@babel/helper-annotate-as-pure' and '@babel/helper-split-export-declaration' as direct dependencies of '@angular/build'.
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The Babel-based build optimizer plugins ('adjust-static-class-members', 'adjust-typescript-enums', 'elide-angular-metadata', and 'pure-toplevel-functions') are no longer used by '@angular/build', which now uses an OXC-based AST transform for optimization in esbuild.
This change relocates these plugins and their associated unit tests out of '@angular/build' and directly into '@angular-devkit/build-angular', which is their sole remaining consumer.
Moving these plugins also allows removing '@babel/helper-annotate-as-pure' and '@babel/helper-split-export-declaration' as direct dependencies of '@angular/build'.