29 lines
1.2 KiB
JavaScript
29 lines
1.2 KiB
JavaScript
import * as React from 'react';
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import { useState, useCallback, useEffect, useLayoutEffect } from 'react';
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export function renderCar(WrappedComponent, defaults) {
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function State({ stateRef, props }) {
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const renderTarget = useCallback(function SideTarget(...args) {
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useLayoutEffect(() => {
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stateRef.current(args);
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});
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return null;
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}, []);
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// @ts-ignore
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return React.createElement(WrappedComponent, { ...props, children: renderTarget });
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}
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const Children = React.memo(({ stateRef, defaultState, children }) => {
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const [state, setState] = useState(defaultState.current);
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useEffect(() => {
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stateRef.current = setState;
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}, []);
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return children(...state);
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}, () => true);
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return function Combiner(props) {
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const defaultState = React.useRef(defaults(props));
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const ref = React.useRef((state) => (defaultState.current = state));
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return (React.createElement(React.Fragment, null,
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React.createElement(State, { stateRef: ref, props: props }),
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React.createElement(Children, { stateRef: ref, defaultState: defaultState, children: props.children })));
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};
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}
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