Looking to resolve a module-specific error in Angular that has not been identified

While practicing Angular, I encountered an error during compilation:

Module not found: Error: Can't resolve './app.component.css' in 'D:\hello-world-app\src\app'
i 「wdm」: Failed to compile.

This is my app.component.html:

<h1>Angular</h1>
<courses></courses>

Here is my courses.component.ts:

// tslint:disable-next-line: import-spacing
import{Component} from '@angular/core';


@Component({
  selector: 'courses', //<courses>
  template: '<h2>Courses</h2>'
})
export class CoursesComponent {

}

Next, my app.component.ts file looks like this:


import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'hello-world-app';
}

Finally, the content of my app.module.ts is as follows:
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';

import { AppComponent } from './app.component';
import { CoursesComponent } from './courses.component';

@NgModule({
  declarations: [
    AppComponent,
    CoursesComponent
  ],
  imports: [
    BrowserModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

Answer №1

Angular is having trouble locating the file, as indicated by the error message. To resolve this issue, you can either add the missing file or remove the line

styleUrls: ['./app.component.css']

If you prefer to keep the file reference and are utilizing angular cli (which is recommended), you have the option to use --inlineStyle=true when generating a component. Typically, when using angular cli, the css file should have been automatically generated with the component.

Chances are that you may have mistakenly removed the file or accidentally modified it. In any case, Angular will always generate an error if it cannot find the specified resource, which is common in programming frameworks and languages.

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