/TypeScript/Error TS2564: Property 'description' has no initializer and is not definitely assigned in the constructor. in angular class

Error TS2564: Property 'description' has no initializer and is not definitely assigned in the constructor. in angular class

Property 'products' has no initializer and is not definitely assigned in the constructor.

//inside tsconfig.json file
"angularCompilerOptions": {
    //   ...
    "strictPropertyInitialization": false
    //   ...
  }

Error TS2564: Property 'description' has no initializer and is not definitely assigned in the constructor. in angular class

  id!: number;

got it, it's because typescript 2.7.2 included a strict class checking where all properties should be declared in constructor. So to work around that, just add a bang sign (!) like: name!:string;

Property has no initializer and is not definitely assigned in the constructor

@Component({...})
export class Component {
  @Input() myInput: string|undefined;
}

OR

@Component({...})
export class Component {
  @Input() myInput!: string;
}

Source: stackoverflow.com

Property 'data' has no initializer and is not definitely assigned in the constructor.ts(2564)

Remove strictProperinitialization

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