40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
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import React from 'react';
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import { always, block } from '../base';
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/**
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* @callback NodeFactory
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* Function to create a node or an array of nodes.
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* @returns {(Node[] | Node | null | undefined | Boolean)}
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*/
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/**
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* React hook to run a node.
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* @param {NodeFactory} nodeFactory Function to build the node to run.
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* @param dependencies Array of dependencies. Refresh the node on changes.
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*/
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export default function useCode(nodeFactory, dependencies) {
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if (!(React.useEffect instanceof Function)) return;
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React.useEffect(() => {
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// check and correct 1st parameter
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if (!(nodeFactory instanceof Function)) {
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console.warn('useCode() first argument should be a function that returns an animation node.');
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const node = nodeFactory;
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nodeFactory = () => node;
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}
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let node = nodeFactory();
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if (node) {
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// allow factory to return array
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if (node instanceof Array) node = block(node);
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const animatedAlways = always(node);
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animatedAlways.__attach(); // return undo function
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return () => animatedAlways.__detach();
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}
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}, dependencies);
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}
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//# sourceMappingURL=useCode.js.map
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