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feat(@ngtools/webpack): Allows to keep the decorators in AOT production #12179

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1 change: 1 addition & 0 deletions packages/ngtools/webpack/README.md
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Expand Up @@ -43,6 +43,7 @@ The loader works with webpack plugin to compile your TypeScript. It's important
* `sourceMap`. Optional. Include sourcemaps.
* `compilerOptions`. Optional. Override options in `tsconfig.json`.
* `contextElementDependencyConstructor`. Optional. Set to `require('webpack/lib/dependencies/ContextElementDependency')` if you are having `No module factory available for dependency type: ContextElementDependency` errors.
* `keepAotRemoveDecorators`, Optional. Allows to keep the decorators in AOT production.

## Features
The benefits and ability of using [`@ngtools/webpack`](https://www.npmjs.com/~ngtools) standalone from the Angular CLI as presented in [Stephen Fluin's Angular CLI talk](https://youtu.be/uBRK6cTr4Vk?t=6m45s) at Angular Connect 2016:
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5 changes: 4 additions & 1 deletion packages/ngtools/webpack/src/angular_compiler_plugin.ts
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Expand Up @@ -103,6 +103,9 @@ export interface AngularCompilerPluginOptions {

host?: virtualFs.Host<fs.Stats>;
platformTransformers?: ts.TransformerFactory<ts.SourceFile>[];

// Allows to keep the decorators in AOT production as an option.
keepAotRemoveDecorators?: boolean;
}

export enum PLATFORM {
Expand Down Expand Up @@ -816,7 +819,7 @@ export class AngularCompilerPlugin {
if (this._JitMode) {
// Replace resources in JIT.
this._transformers.push(replaceResources(isAppPath));
} else {
} else if (this._options.keepAotRemoveDecorators !== true) {
// Remove unneeded angular decorators.
this._transformers.push(removeDecorators(isAppPath, getTypeChecker));
}
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