Class CommanderImpl

packages/vue/src/commander.ts:2532–3401

// class preserves JSDoc throughout..
export class CommanderImpl<RT, RTHooks> {
  private readonly rt: Context.Context<RT>
  private readonly intl: I18n
  private readonly hooks: Layer.Layer<RTHooks, never, RT>

  constructor(
    rt: Context.Context<RT>,
    intl: I18n,
    hooks: Layer.Layer<RTHooks, never, RT>
  ) {
    this.rt = rt
    this.intl = intl
    this.hooks = hooks
  }

  readonly makeContext = <const Id extends string, const I18nKey extends string = Id>(
    id: Id,
    options?: FnOptionsInternal<I18nKey>
  ) => {
    if (!id) throw new Error("must specify an id")
    const i18nKey: I18nKey = options?.i18nCustomKey ?? id as unknown as I18nKey

    const namespace = `action.${i18nKey}` as const

    // must remain stable through out single call
    const action = this.intl.formatMessage({
      id: namespace,
      defaultMessage: id
    }, { ...options?.state, _isLabel: false })

    const label = this.intl.formatMessage({
      id: namespace,
      defaultMessage: id
    }, { ...options?.state, _isLabel: true })

    const context = CommandContext.of({
      ...makeBaseInfo(id, options),
      action,
      label,
      state: options?.state
    })

    return context
  }

  readonly makeCommand = <
    const Id extends string,
    const State extends IntlRecord | undefined,
    const I18nKey extends string = Id
  >(
    id_: Id | { id: Id },
    options?: FnOptions<Id, I18nKey, State>,
    errorDef?: Error
  ) => {
    const id = typeof id_ === "string" ? id_ : id_.id
    const state = getStateValues(options)

    return Object.assign(