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67 lines
1.9 KiB
Plaintext
67 lines
1.9 KiB
Plaintext
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _react = require("react");
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var _useLatest = _interopRequireDefault(require("../useLatest"));
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var _utils = require("../utils");
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var setRafInterval = function setRafInterval(callback, delay) {
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if (delay === void 0) {
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delay = 0;
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}
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if (typeof requestAnimationFrame === 'undefined') {
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return {
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id: setInterval(callback, delay)
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};
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}
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var start = Date.now();
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var handle = {
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id: 0
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};
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var _loop = function loop() {
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var current = Date.now();
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if (current - start >= delay) {
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callback();
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start = Date.now();
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}
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handle.id = requestAnimationFrame(_loop);
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};
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handle.id = requestAnimationFrame(_loop);
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return handle;
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};
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var cancelAnimationFrameIsNotDefined = function cancelAnimationFrameIsNotDefined(t) {
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return typeof cancelAnimationFrame === 'undefined';
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};
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var clearRafInterval = function clearRafInterval(handle) {
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if (cancelAnimationFrameIsNotDefined(handle.id)) {
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return clearInterval(handle.id);
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}
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cancelAnimationFrame(handle.id);
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};
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function useRafInterval(fn, delay, options) {
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var immediate = options === null || options === void 0 ? void 0 : options.immediate;
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var fnRef = (0, _useLatest["default"])(fn);
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var timerRef = (0, _react.useRef)(undefined);
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var clear = (0, _react.useCallback)(function () {
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if (timerRef.current) {
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clearRafInterval(timerRef.current);
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}
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}, []);
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(0, _react.useEffect)(function () {
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if (!(0, _utils.isNumber)(delay) || delay < 0) {
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return;
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}
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if (immediate) {
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fnRef.current();
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}
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timerRef.current = setRafInterval(function () {
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fnRef.current();
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}, delay);
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return clear;
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}, [delay]);
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return clear;
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}
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var _default = exports["default"] = useRafInterval; |