本文整理匯總了TypeScript中react.Children.map方法的典型用法代碼示例。如果您正苦於以下問題:TypeScript Children.map方法的具體用法?TypeScript Children.map怎麽用?TypeScript Children.map使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類react.Children
的用法示例。
在下文中一共展示了Children.map方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: cloneItem
export function cloneItem(
children: ReactNode,
props: { nativeEvent: TriggerEvent; propsFromTrigger?: object }
) {
return Children.map(
// remove null item
Children.toArray(children).filter(child => Boolean(child)),
item => cloneElement(item as ReactElement<any>, props)
);
}
示例2: setChildrenLayoutParams
static setChildrenLayoutParams(
component: React.Component<ViewGroupProperties, any>,
manager: any,
defaultParams?: any): void {
if (!component || !manager) {
return;
}
let currentChildrelLayoutParams = (component as any).__currentChildLayoutParams;
let nextChildrelLayoutParams: any[] = [];
const hasDefaultParams = !!defaultParams;
React.Children.map(component.props.children || [], (child: any, index: number) => {
if (!child.props.layoutParams && !hasDefaultParams) {
return;
}
nextChildrelLayoutParams.push(Object.assign(
{},
defaultParams,
child.props.layoutParams,
{ childIndex: index }
));
});
if (!nextChildrelLayoutParams.length) {
return;
}
if (layoutParamsIsEqualTo(currentChildrelLayoutParams, nextChildrelLayoutParams)) {
return;
}
(component as any).__currentChildLayoutParams = nextChildrelLayoutParams;
UIManager.dispatchViewManagerCommand(
findNodeHandle(component),
manager.Commands.setChildrenLayoutParams,
[nextChildrelLayoutParams]);
}