createErrorObj-strings.ts

/**
 * Generate a fragile object that will throw error at any operation.
 */
export function createErrorObj<T = any>(error: string): T {
  return new Proxy(
    {},
    {
      get(target, prop, receiver: unknown) {
        throw new Error(
          error +
            `\nYou are trying to access a property "obj.${prop.toString()}".`
        );
      },
      set(target, prop, val: unknown, receiver: unknown) {
        throw new Error(
          error +
            `\nYou are trying to set a property "obj.${prop.toString()}" equal to ${val}.`
        );
      },
      apply(target, thisArg: unknown, argumentsList: unknown[]) {
        throw new Error(
          error + `\nYou are trying to call me with ${argumentsList}.`
        );
      },
    }
  ) as T;
}