123456789101112131415161718192021222324252627282930313233
import { Type } from "../type.ts";import type { ArgumentValue } from "../types.ts";import { InvalidTypeError } from "../../flags/_errors.ts";
/** Enum type. Allows only provided values. */export class EnumType<TValue extends string | number | boolean>  extends Type<TValue> {  private readonly allowedValues: ReadonlyArray<TValue>;
  constructor(values: ReadonlyArray<TValue> | Record<string, TValue>) {    super();    this.allowedValues = Array.isArray(values) ? values : Object.values(values);  }
  public parse(type: ArgumentValue): TValue {    for (const value of this.allowedValues) {      if (value.toString() === type.value) {        return value;      }    }
    throw new InvalidTypeError(type, this.allowedValues.slice());  }
  public override values(): Array<TValue> {    return this.allowedValues.slice();  }
  public override complete(): Array<TValue> {    return this.values();  }}