The pathway of external component template or css during the TypeScript compilation process to the outDir destination

When developing Angular 2 applications, I often run into an issue with my tsconfig.json file. In this file, I have set the parameter as follows:

"outDir": "dist"

This configuration instructs the TypeScript-to-JavaScript compiler to save the compiled files in a directory called dist.

The issue arises when I work with components that have external template or CSS files and use component-relative paths, as shown below:

@Component({
  moduleId: module.id,
  selector: 'my-cmp',
  templateUrl: 'my.component.html',
  styleUrls:  ['my.component.css']
})
export class MyComponent { }

When the browser tries to load the .html and .css files, it looks for them in the same folder as the transpiled JavaScript file under dist. However, these files are actually located in the original folder where the TypeScript file exists.

So, how can I resolve this issue?

Just to note, the problem is resolved if I remove moduleId: module.id and use absolute paths like app/my-cmp/my.component.html. But that's not the solution I prefer. ;-)

Answer №1

To ensure that your JavaScript outputs to the designated dist folder intended for distribution, consider creating a script that not only copies the html and css files to the dist folder, but also applies some form of minification to make the process more efficient.

Alternatively, you can opt to reference these paths in a relative manner from the root directory. For instance, if you have files such as /someDir/myfile.ts and /someDir/my.component.html, you can reference my.component.html by using ../someDir/my.component.html. This method works effectively when /someDir/myfile.ts is directed to /dist/myfile.js. However, as your project expands, managing these relative paths may become cumbersome, so it may not be the most advisable approach in the long run.

Answer №2

module.id represents the path to the generated JavaScript file, for example, http://localhost:8080/dist/app/my.component.js. To achieve your desired outcome, you can exclude 'dist' from module.id using the following code snippet:

@Component({
  moduleId: module.id.replace('dist', ''),
  selector: 'my-component',
  templateUrl: 'my.component.html',
  styleUrls:  ['my.component.css']
})

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