Q . ng build --prod gives error because it doesn't exclude mock modules that includes twice the same pipes and components with angular-cli rc4

Dev Singh. asked, Feb 01 ' 2018

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- [ ] feature request


@angular/cli: 1.0.0-rc.4
node: 7.4.0
os: linux x64
@angular/common: 2.4.10
@angular/compiler: 2.4.10
@angular/core: 2.4.10
@angular/forms: 2.4.10
@angular/http: 2.4.10
@angular/platform-browser: 2.4.10
@angular/platform-browser-dynamic: 2.4.10
@angular/platform-server: 2.4.10
@angular/router: 3.4.10
@angular/cli: 1.0.0-rc.4
@angular/compiler-cli: 2.4.10

Repro steps.

ng build --prod

The log given by the failure.

ERROR in Type PofiNumberPipe in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/util/pofi-number.pipe.ts is part of the declarations of 2 modules: SharedAppModule in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.module.ts and SharedAppModuleMocked in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.mock.module.ts! Please consider moving PofiNumberPipe in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/util/pofi-number.pipe.ts to a higher module that imports SharedAppModule in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.module.ts and SharedAppModuleMocked in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.mock.module.ts. You can also create a new NgModule that exports and includes PofiNumberPipe in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/util/pofi-number.pipe.ts then import that NgModule in SharedAppModule in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.module.ts and SharedAppModuleMocked in /home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src/app/common/shared/shared-app.mock.module.ts.

ERROR in ./src/main.ts
Module not found: Error: Can't resolve './$$_gendir/app/bootstrap/app.module.ngfactory' in '/home/ovidio/projects/belastingsportaal/projects/pofi-web/pofi-ui/src'
@ ./src/main.ts 4:0-84
@ multi ./src/main.ts

Desired functionality.

the build with aot should succeed

Mention any other details that might be useful.

The error happens when I issue a ng 'build --prod'. That means that aot is enabled by default.

In the tsconfig.app.json I have excluded some *.ts files that are used only during testing and not needed for a build.
Those are mentioned in the exclude section of the tsconfig.app.json.
As you see the shared-app.mock.module.ts containing SharedAppModuleMocked is excluded in this way.

The error above is because the shared-app.mock.module.ts declares pipes, and components that are declared as well in the SharedAppModule.
The SharedAppModule is used in the application per se.

But the shared-app.mock.module.ts is excluded and should not be taken into account when we issue a
ng build --prod. Why is it taken into account ????

My tsconfig.app.json follows as well.

"compilerOptions": {
"sourceMap": true,
"declaration": false,
"moduleResolution": "node",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"target": "es5",
"lib": [
"outDir": "../out-tsc/app",
"module": "es2015",
"baseUrl": "",
"types": []
"exclude": [

  • error
  • angular2
  • exclude

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