296 lines
7.7 KiB
Markdown
296 lines
7.7 KiB
Markdown
# rc-util
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Common Utils For React Component.
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[![NPM version][npm-image]][npm-url]
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[![David dm][david-dm-image]][david-dm-url]
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[![node version][node-image]][node-url]
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[![npm download][download-image]][download-url]
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[npm-image]: http://img.shields.io/npm/v/rc-util.svg?style=flat-square
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[npm-url]: http://npmjs.org/package/rc-util
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[travis-image]: https://img.shields.io/travis/react-component/util.svg?style=flat-square
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[travis-url]: https://travis-ci.org/react-component/util
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[coveralls-image]: https://img.shields.io/coveralls/react-component/util.svg?style=flat-square
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[coveralls-url]: https://coveralls.io/r/react-component/util?branch=master
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[david-dm-image]: https://img.shields.io/david/react-component/util.svg
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[david-dm-url]: https://david-dm.org/react-component/util
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[node-image]: https://img.shields.io/badge/node.js-%3E=_0.10-green.svg?style=flat-square
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[node-url]: http://nodejs.org/download/
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[download-image]: https://img.shields.io/npm/dm/rc-util.svg?style=flat-square
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[download-url]: https://npmjs.org/package/rc-util
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## Install
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[](https://npmjs.org/package/rc-util)
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## API
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### createChainedFunction
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> (...functions): Function
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Create a function which will call all the functions with it's arguments from left to right.
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```jsx|pure
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import createChainedFunction from 'rc-util/lib/createChainedFunction';
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```
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### deprecated
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> (prop: string, instead: string, component: string): void
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Log an error message to warn developers that `prop` is deprecated.
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```jsx|pure
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import deprecated from 'rc-util/lib/deprecated';
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```
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### getContainerRenderMixin
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> (config: Object): Object
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To generate a mixin which will render specific component into specific container automatically.
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```jsx|pure
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import getContainerRenderMixin from 'rc-util/lib/getContainerRenderMixin';
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```
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Fields in `config` and their meanings.
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| Field | Type | Description | Default |
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| ------------- | ---------------------------- | -------------------------------------------------------------------------- | ------- |
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| autoMount | boolean | Whether to render component into container automatically | true |
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| autoDestroy | boolean | Whether to remove container automatically while the component is unmounted | true |
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| isVisible | (instance): boolean | A function to get current visibility of the component | - |
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| isForceRender | (instance): boolean | A function to determine whether to render popup even it's not visible | - |
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| getComponent | (instance, extra): ReactNode | A function to get the component which will be rendered into container | - |
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| getContainer | (instance): HTMLElement | A function to get the container | |
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### Portal
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Render children to the specific container;
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```jsx|pure
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import Portal from 'rc-util/lib/Portal';
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```
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Props:
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| Prop | Type | Description | Default |
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| ------------ | --------------- | ------------------------------- | ------- |
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| children | ReactChildren | Content render to the container | - |
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| getContainer | (): HTMLElement | A function to get the container | - |
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### getScrollBarSize
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> (fresh?: boolean): number
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Get the width of scrollbar.
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```jsx|pure
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import getScrollBarSize from 'rc-util/lib/getScrollBarSize';
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```
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### guid
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> (): string
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To generate a global unique id across current application.
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```jsx|pure
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import guid from 'rc-util/lib/guid';
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```
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### pickAttrs
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> (props: Object): Object
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Pick valid HTML attributes and events from props.
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```jsx|pure
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import pickAttrs from 'rc-util/lib/pickAttrs';
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```
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### warn
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> (msg: string): void
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A shallow wrapper of `console.warn`.
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```jsx|pure
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import warn from 'rc-util/lib/warn';
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```
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### warning
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> (valid: boolean, msg: string): void
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A shallow wrapper of [warning](https://github.com/BerkeleyTrue/warning), but only warning once for the same message.
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```jsx|pure
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import warning, { noteOnce } from 'rc-util/lib/warning';
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warning(false, '[antd Component] test hello world');
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// Low level note
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noteOnce(false, '[antd Component] test hello world');
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```
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### Children
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A collection of functions to operate React elements' children.
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#### Children/mapSelf
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> (children): children
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Return a shallow copy of children.
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```jsx|pure
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import mapSelf from 'rc-util/lib/Children/mapSelf';
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```
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#### Children/toArray
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> (children: ReactNode[]): ReactNode[]
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Convert children into an array.
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```jsx|pure
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import toArray from 'rc-util/lib/Children/toArray';
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```
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### Dom
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A collection of functions to operate DOM elements.
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#### Dom/addEventlistener
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> (target: ReactNode, eventType: string, listener: Function): { remove: Function }
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A shallow wrapper of [add-dom-event-listener](https://github.com/yiminghe/add-dom-event-listener).
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```jsx|pure
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import addEventlistener from 'rc-util/lib/Dom/addEventlistener';
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```
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#### Dom/canUseDom
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> (): boolean
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Check if DOM is available.
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```jsx|pure
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import canUseDom from 'rc-util/lib/Dom/canUseDom';
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```
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#### Dom/class
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A collection of functions to operate DOM nodes' class name.
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- `hasClass(node: HTMLElement, className: string): boolean`
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- `addClass(node: HTMLElement, className: string): void`
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- `removeClass(node: HTMLElement, className: string): void`
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```jsx|pure
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import cssClass from 'rc-util/lib/Dom/class;
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```
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#### Dom/contains
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> (root: HTMLElement, node: HTMLElement): boolean
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Check if node is equal to root or in the subtree of root.
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```jsx|pure
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import contains from 'rc-util/lib/Dom/contains';
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```
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#### Dom/css
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A collection of functions to get or set css styles.
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- `get(node: HTMLElement, name?: string): any`
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- `set(node: HTMLElement, name?: string, value: any) | set(node, object)`
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- `getOuterWidth(el: HTMLElement): number`
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- `getOuterHeight(el: HTMLElement): number`
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- `getDocSize(): { width: number, height: number }`
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- `getClientSize(): { width: number, height: number }`
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- `getScroll(): { scrollLeft: number, scrollTop: number }`
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- `getOffset(node: HTMLElement): { left: number, top: number }`
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```jsx|pure
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import css from 'rc-util/lib/Dom/css';
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```
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#### Dom/focus
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A collection of functions to operate focus status of DOM node.
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- `saveLastFocusNode(): void`
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- `clearLastFocusNode(): void`
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- `backLastFocusNode(): void`
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- `getFocusNodeList(node: HTMLElement): HTMLElement[]` get a list of focusable nodes from the subtree of node.
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- `limitTabRange(node: HTMLElement, e: Event): void`
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```jsx|pure
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import focus from 'rc-util/lib/Dom/focus';
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```
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#### Dom/support
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> { animation: boolean | Object, transition: boolean | Object }
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A flag to tell whether current environment supports `animationend` or `transitionend`.
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```jsx|pure
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import support from 'rc-util/lib/Dom/support';
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```
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### KeyCode
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> Enum
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Enum of KeyCode, please check the [definition](https://github.com/react-component/util/blob/master/src/KeyCode.ts) of it.
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```jsx|pure
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import KeyCode from 'rc-util/lib/KeyCode';
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```
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#### KeyCode.isTextModifyingKeyEvent
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> (e: Event): boolean
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Whether text and modified key is entered at the same time.
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#### KeyCode.isCharacterKey
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> (keyCode: KeyCode): boolean
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Whether character is entered.
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### ScrollLocker
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> ScrollLocker<{lock: (options: {container: HTMLElement}) => void, unLock: () => void}>
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improve shake when page scroll bar hidden.
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`ScrollLocker` change body style, and add a class `ant-scrolling-effect` when called, so if you page look abnormal, please check this;
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```js
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import ScrollLocker from 'rc-util/lib/Dom/scrollLocker';
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const scrollLocker = new ScrollLocker();
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// lock
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scrollLocker.lock()
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// unLock
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scrollLocker.unLock()
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```
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## License
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[MIT](/LICENSE)
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