The error encountered states that in the Angular typescript method, the term "x" is not recognized as a

In my codebase, I have an entity named Epic which contains a method called pendingTasks() within a class.

import { Solution } from '../solutions.model';
import { PortfolioKanban } from '../kanban/portfolio-kanban.model';
import { Kanbanitem } from '../kanban/kanbanitem';
import { Task, TaskStatus } from '../kanban/Task';

export interface EpicConstructor {
  new (
    id: string,
    name: string,
    description: string,
    code: string,
    entryDate: Date,
    state: string,
    columnID: string,
    kanbanId: string,
    outcome: string,
    owner: string,
    tasks?: Task[]
  ): Epic;
}
export function createEpic(
  ector: EpicConstructor,
  id: string,
  name: string,
  description: string,
  code: string,
  entryDate: Date,
  state: string,
  columnID: string,
  kanbanId: string,
  outcome: string,
  owner: string,
  tasks?: Task[]
) {
  return new ector(
    id,
    name,
    description,
    code,
    entryDate,
    state,
    columnID,
    kanbanId,
    outcome,
    owner,
    tasks
  );
}

export class Epic implements Kanbanitem {
  id: string;
  code: string;
  description;
  entryDate: Date;
  state: string;
  name: string;
  outcome?: string;
  owner: string;
  kanban?: PortfolioKanban;
  kanbanId: string;
  columnId: string;
  tasks?: Task[];

  constructor(
    ...

I'm utilizing ngrx and redux to retrieve initial epics from the Store. Here's how I accomplish this:

...

Answer №1

Chances are you may not be truly generating instances of Epic class. If you are just specifying the type with entities: Epic[], they will not automatically become an instance of Epic.

In your code, particularly when fetching data from the server and before adding it to your store, make sure to create actual instances of Epic.

You can use a loop to go through all response data and generate instances of Epic like this:

this.http.get('someEpicURL').pipe(map(response => response.epics.map(epic => new Epic(epic))))

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