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Ellipsis Component
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| // @flow | |
| import React, {Children} from 'react'; | |
| type Props = { | |
| maxStringLength: number; | |
| children?: React$Element<*>; | |
| }; | |
| let maxString = 13; | |
| export default function Elipsis(props: Props) { | |
| let {children, maxStringLength} = props; | |
| let components = []; | |
| maxString = maxStringLength || maxString; | |
| Children.forEach(children, (child) => { | |
| components.push(getComponent(child)); | |
| }); | |
| return ( | |
| <div> | |
| {components} | |
| </div> | |
| ); | |
| } | |
| function getComponent(child: React$Element<*>) { | |
| if (child) { | |
| if (Array.isArray(child)) { | |
| return Children.map(child, (grandChild) => { | |
| return getComponent(grandChild); | |
| }); | |
| } else { | |
| if (typeof child === 'string') { | |
| let string = ''; | |
| if (maxString <= 0) { | |
| return string; | |
| } | |
| string = child.slice(0, maxString); | |
| if (child.length >= maxString) { | |
| string = string + '...'; | |
| } | |
| maxString = maxString - string.length; | |
| return string; | |
| } else if (typeof child === 'object') { | |
| let {children, ...otherProps} = child.props; | |
| let Component = child.type; | |
| let value = getComponent(children); | |
| return <Component {...otherProps}>{value}</Component>; | |
| } | |
| } | |
| } | |
| } |
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how to use it:
the result will be
