Function handleProcessInteger

packages/cli/src/internal/prompt/number.ts:213–272

(options: IntegerOptions)

}

function handleProcessInteger(options: IntegerOptions) {
  return (input: Terminal.UserInput, state: State) => {
    switch (input.key.name) {
      case "backspace": {
        return processBackspace(state)
      }
      case "k":
      case "up": {
        return Effect.succeed(Action.NextFrame({
          state: {
            ...state,
            value: state.value === "" || state.value === "-"
              ? `${options.incrementBy}`
              : `${Number.parseInt(state.value) + options.incrementBy}`,
            error: Option.none()
          }
        }))
      }
      case "j":
      case "down": {
        return Effect.succeed(Action.NextFrame({
          state: {
            ...state,
            value: state.value === "" || state.value === "-"
              ? `-${options.decrementBy}`
              : `${Number.parseInt(state.value) - options.decrementBy}`,
            error: Option.none()
          }
        }))
      }
      case "enter":
      case "return": {
        return Effect.matchEffect(parseInt(state.value), {
          onFailure: () =>
            Effect.succeed(Action.NextFrame({
              state: {
                ...state,
                error: Option.some("Must provide an integer value")
              }
            })),
          onSuccess: (n) =>
            Effect.match(options.validate(n), {
              onFailure: (error) =>
                Action.NextFrame({
                  state: {
                    ...state,
                    error: Option.some(error)
                  }
                }),
              onSuccess: (value) => Action.Submit({ value })
            })
        })
      }
      default: {
        const value = Option.getOrElse(input.input, () => "")
        return defaultIntProcessor(state, value)
      }
    }