Files
react-native/Libraries/Types/CodegenTypes.js
T
Rubén Norte 1e7536a070 Migrate CodegenTypes and dependencies to Flow strict
Summary:
Migrates `CodegenTypes` and its transitive dependencies to Flow strict to unblock this mode in Native Modules and Native Components.

Changelog: [Internal]

Reviewed By: TheSavior

Differential Revision: D25540629

fbshipit-source-id: 7bed2ee58af7a789b50932734c7a86cf1719e2c5
2021-01-04 03:56:57 -08:00

42 lines
1.3 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict
*/
'use strict';
import type {SyntheticEvent} from './CoreEventTypes';
// Event types
// We're not using the PaperName, it is only used to codegen view config settings
export type BubblingEventHandler<
T,
PaperName: string | empty = empty, // eslint-disable-line no-unused-vars
> = (event: SyntheticEvent<T>) => void | Promise<void>;
export type DirectEventHandler<
T,
PaperName: string | empty = empty, // eslint-disable-line no-unused-vars
> = (event: SyntheticEvent<T>) => void | Promise<void>;
// Prop types
export type Double = number;
export type Float = number;
export type Int32 = number;
export type UnsafeObject = $FlowFixMe; // Object is forbidden in strict mode
type DefaultTypes = number | boolean | string | $ReadOnlyArray<string>;
// Default handling, ignore the unused value
// we're only using it for type checking
//
// TODO: (rickhanlonii) T44881457 If a default is provided, it should always be optional
// but that is currently not supported in the codegen since we require a default
//
// eslint-disable-next-line no-unused-vars
export type WithDefault<Type: DefaultTypes, Value: ?Type | string> = ?Type;