Function assertComponentDef

packages/core/src/render3/errors.ts:40–48

(type: Type<unknown> | AbstractType<unknown>)

/** Verifies whether a given type is a component */
export function assertComponentDef(type: Type<unknown> | AbstractType<unknown>) {
  if (!getComponentDef(type)) {
    throw new RuntimeError(
      RuntimeErrorCode.MISSING_GENERATED_DEF,
      `The ${stringifyForError(type)} is not an Angular component, ` +
        `make sure it has the \`@Component\` decorator.`,
    );
  }
}

/** Called when there are multiple component selectors that match a given node */
export function throwMultipleComponentError(