Function ɵɵdefinePipe

packages/core/src/render3/definition.ts:593–616

(pipeDef: {
  /** Name of the pipe. Used for matching pipes in template to pipe defs. */
  name: string;

  /** Pipe class reference. Needed to extract pipe lifecycle hooks. */
  type: Type<T>;

  /** Whether the pipe is pure. */
  pure?: boolean;

  /**
   * Whether the pipe is standalone.
   */
  standalone?: boolean;
})

 * @codeGenApi
 */
export function ɵɵdefinePipe<T>(pipeDef: {
  /** Name of the pipe. Used for matching pipes in template to pipe defs. */
  name: string;

  /** Pipe class reference. Needed to extract pipe lifecycle hooks. */
  type: Type<T>;

  /** Whether the pipe is pure. */
  pure?: boolean;

  /**
   * Whether the pipe is standalone.
   */
  standalone?: boolean;
}): PipeDef<T> {
  return {
    type: pipeDef.type,
    name: pipeDef.name,
    factory: null,
    pure: pipeDef.pure !== false,
    standalone: pipeDef.standalone ?? true,
    onDestroy: pipeDef.type.prototype.ngOnDestroy || null,
  };
}

function getNgDirectiveDef<T>(directiveDefinition: DirectiveDefinition<T>): DirectiveDef<T> {
  const declaredInputs: Record<string, string> = {};