eacf028ba6
* Use .js imports in src * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Additional * Add WP extension aliases * Bump dev * Additional * Additional * Adjust extensionAlias order
43 lines
1004 B
TypeScript
43 lines
1004 B
TypeScript
// Copyright 2017-2023 @polkadot/react-components authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import React, { useEffect, useState } from 'react';
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import { nextTick } from '@polkadot/util';
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import Spinner from './Spinner.js';
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interface Props {
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children: React.ReactNode[];
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isActive?: boolean;
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}
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function NextTick ({ children, isActive = true }: Props): React.ReactElement<Props> {
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const [visibility, setVisibility] = useState(() => new Array<boolean>(children.length).fill(false));
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useEffect((): void => {
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if (isActive) {
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const index = visibility.findIndex((v) => !v);
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if (index !== -1) {
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nextTick(() =>
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setVisibility(
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visibility.map((v, i) => (i === index) || v)
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)
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);
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}
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}
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}, [isActive, visibility]);
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return (
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<>
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{isActive
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? visibility.map((isVisible, index) => isVisible && children[index])
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: <Spinner />
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}
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</>
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);
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}
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export default React.memo(NextTick);
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