64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/useRafLoop.ts
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var useRafLoop_exports = {};
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__export(useRafLoop_exports, {
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default: () => useRafLoop
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});
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module.exports = __toCommonJS(useRafLoop_exports);
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var import_react = require("react");
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function useRafLoop(callback, initiallyActive = true) {
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const raf = (0, import_react.useRef)(null);
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const rafActivity = (0, import_react.useRef)(false);
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const rafCallback = (0, import_react.useRef)(callback);
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rafCallback.current = callback;
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const step = (0, import_react.useCallback)((time) => {
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if (rafActivity.current) {
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rafCallback.current(time);
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raf.current = requestAnimationFrame(step);
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}
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}, []);
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const result = (0, import_react.useMemo)(
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() => [
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() => {
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if (rafActivity.current) {
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rafActivity.current = false;
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raf.current && cancelAnimationFrame(raf.current);
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}
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},
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() => {
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if (!rafActivity.current) {
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rafActivity.current = true;
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raf.current = requestAnimationFrame(step);
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}
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},
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() => rafActivity.current
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// isActive
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],
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[]
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);
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(0, import_react.useEffect)(() => {
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if (initiallyActive) {
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result[1]();
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}
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return result[0];
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}, []);
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return result;
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}
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