expo-modules-core/src/errors/UnavailabilityError.ts

The core of Expo Modules architecture

import { CodedError } from './CodedError';
import Platform from '../Platform';

/**
 * A class for errors to be thrown when a property is accessed which is
 * unavailable, unsupported, or not currently implemented on the running
 * platform.
 */
export class UnavailabilityError extends CodedError {
  constructor(moduleName: string, propertyName: string) {
    super(
      'ERR_UNAVAILABLE',
      `The method or property ${moduleName}.${propertyName} is not available on ${Platform.OS}, are you sure you've linked all the native dependencies properly?`
    );
  }
}