Generic type ‘ɵɵdirectivedeclaration’ requires 6 type argument(s).

by

Error: generic type ‘ɵɵdirectivedeclaration’ requires 6 type argument(s).

An error occurred stating that the generic type ‘ɵɵdirectivedeclaration’ requires 6 type arguments. This error typically occurs in Angular when declaring a directive in the code.

In Angular, directives are used to add behavior to elements in the DOM. When declaring a directive, we need to provide certain type arguments that define its behavior and functionality.

In this case, the error is indicating that the directive declaration is missing some required type arguments.

Example:

Let’s consider an example where we have a custom directive named ‘MyDirective’ that requires six type arguments:

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

      @Directive({
        selector: '[myDirective]'
      })
      export class MyDirective<T, U, V, W, X, Y> {
        // Directive implementation
      }

In the above example, the ‘MyDirective’ directive is declared with six type arguments: T, U, V, W, X, and Y. These type arguments can be used to define the behavior and functionality of the directive.

When using this directive in a component’s template, we need to provide values for these type arguments:

    
      <div myDirective="value1, value2, value3, value4, value5, value6">
        ...
      </div>

Make sure to adjust the type arguments and values according to your specific use case.

By providing the necessary type arguments for the directive, you should be able to resolve the “generic type ‘ɵɵdirectivedeclaration’ requires 6 type argument(s)” error and successfully declare and use your directive in Angular.

Read more

Leave a comment