main
Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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Property mode
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100644
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File size:
1.3 KB
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[d565449] | 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var tslib_1 = require("tslib");
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| 4 | var react_1 = require("react");
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| 5 | var useIsomorphicLayoutEffect_1 = tslib_1.__importDefault(require("./useIsomorphicLayoutEffect"));
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| 6 | var useRaf = function (ms, delay) {
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| 7 | if (ms === void 0) { ms = 1e12; }
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| 8 | if (delay === void 0) { delay = 0; }
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| 9 | var _a = react_1.useState(0), elapsed = _a[0], set = _a[1];
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| 10 | useIsomorphicLayoutEffect_1.default(function () {
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| 11 | var raf;
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| 12 | var timerStop;
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| 13 | var start;
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| 14 | var onFrame = function () {
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| 15 | var time = Math.min(1, (Date.now() - start) / ms);
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| 16 | set(time);
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| 17 | loop();
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| 18 | };
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| 19 | var loop = function () {
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| 20 | raf = requestAnimationFrame(onFrame);
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| 21 | };
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| 22 | var onStart = function () {
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| 23 | timerStop = setTimeout(function () {
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| 24 | cancelAnimationFrame(raf);
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| 25 | set(1);
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| 26 | }, ms);
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| 27 | start = Date.now();
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| 28 | loop();
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| 29 | };
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| 30 | var timerDelay = setTimeout(onStart, delay);
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| 31 | return function () {
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| 32 | clearTimeout(timerStop);
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| 33 | clearTimeout(timerDelay);
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| 34 | cancelAnimationFrame(raf);
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| 35 | };
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| 36 | }, [ms, delay]);
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| 37 | return elapsed;
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| 38 | };
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| 39 | exports.default = useRaf;
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