import { BaseService } from '@common/base/base.service'; export abstract class BaseEnumUtilsService extends BaseService { public getEnumValues(T): Array { //getting all numeric values const numericValues: T[] = Object.keys(T).map(key => T[key]).filter(value => typeof (value) === 'number'); if (numericValues.length > 0) { return numericValues; } //getting all string values const stringValues: T[] = Object.keys(T).map(key => T[key]).filter(value => typeof (value) === 'string'); if (stringValues.length > 0) { return stringValues; } return []; } }