Angular-cli: Build fails when using symbolic link folder in Windows

[briannoyes]

Versions

Angular CLI: 1.7.1
Node: 8.9.4
OS: win32 x64
Angular: 5.2.6
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cli: 1.7.1
@angular-devkit/build-optimizer: 0.3.2
@angular-devkit/core: 0.3.2
@angular-devkit/schematics: 0.3.2
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.1
@schematics/angular: 0.3.2
@schematics/package-update: 0.3.2
typescript: 2.5.3
webpack: 3.11.0

Repro steps

Create symbolic link to folder where you will work:
mklink /d C:\myshortpath C:\some\really\deep\folder\Idontwant\to\type
cd C:\myshortpath
C:\myshortpath> ng new mycoolapp
C:\myshortpath> ng serve

Observed behavior

ERROR in c:/some/really/deep/folder/Idontwant/to/type/mycoolapp/src/main.ts
Module build failed: Error: c:\some\really\deep\folder\Idontwant\to\type\mycoolapp\srcmain.ts is missing from the TypeScript compilation. Please make sure it is in your tsconfig via the 'files' or 'include' property.
at AngularCompilerPlugin.getCompiledFile (c:\some\really\deep\folder\Idontwant\to\type\mycoolappnode_modules\@ngtools\webpack\src\angular_compiler_plugin.js:674:23)
at plugin.done.then (c:\some\really\deep\folder\Idontwant\to\type\mycoolappnode_modules\@ngtools\webpack\src\loader.js:467:39)
at
ERROR in c:/some/really/deep/folder/Idontwant/to/type/mycoolapp/src/polyfills.ts
Module build failed: Error: c:\some\really\deep\folder\Idontwant\to\type\mycoolapp\src\polyfills.ts is missing from the TypeScript compilation. Please make sure it is in your tsconfig via the 'files' or 'include' property.
at AngularCompilerPlugin.getCompiledFile (c:\some\really\deep\folder\Idontwant\to\type\mycoolappnode_modules\@ngtools\webpack\src\angular_compiler_plugin.js:674:23)
at plugin.done.then (c:\some\really\deep\folder\Idontwant\to\type\mycoolappnode_modules\@ngtools\webpack\src\loader.js:467:39)
at

webpack: Failed to compile.

Desired behavior

No error

Mention any other details that might be useful (optional)

Kind of an edge case, not sure it is really a priority to fix, but wanted it at least documented for the next poor soul who gets stuck on it.

[bealtine]

For people stumbling onto this
Try adding this to your angular-cli.json file

"build": {
  "preserveSymlinks": true 
},

like this:

"defaults": {
"build": {
"preserveSymlinks": true
},
"styleExt": "scss",
"component": {
}
}

This worked for me on my test apps...and hopefully for you too

[thrixton]

This has been moved under build >> options as of angular 5?/6+

"build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "preserveSymlinks": true,

[filipesilva]

Closing as fixed per the comment above.

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