41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import type { FC } from '../../lib/teact/teact';
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import React, { useRef } from '../../lib/teact/teact';
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import useShowTransition from '../../hooks/useShowTransition';
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import usePrevious from '../../hooks/usePrevious';
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import buildClassName from '../../util/buildClassName';
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type OwnProps = {
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isOpen: boolean;
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isCustom?: boolean;
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id?: string;
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className?: string;
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onClick?: (e: React.MouseEvent<HTMLElement, MouseEvent>) => void;
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children: React.ReactNode;
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};
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const ShowTransition: FC<OwnProps> = ({
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isOpen, isCustom, id, className, onClick, children,
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}) => {
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const { shouldRender, transitionClassNames } = useShowTransition(
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isOpen, undefined, undefined, isCustom ? false : undefined,
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);
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const prevIsOpen = usePrevious(isOpen);
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const prevChildren = usePrevious(children);
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const fromChildrenRef = useRef<React.ReactNode>();
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if (prevIsOpen && !isOpen) {
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fromChildrenRef.current = prevChildren;
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}
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return (
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shouldRender && (
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<div id={id} className={buildClassName(className, transitionClassNames)} onClick={onClick}>
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{isOpen ? children : fromChildrenRef.current!}
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</div>
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)
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);
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};
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export default ShowTransition;
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