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36 lines
644 B
36 lines
644 B
'use strict'; |
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var rafSchd = function rafSchd(fn) { |
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var lastArgs = []; |
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var frameId = null; |
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var wrapperFn = function wrapperFn() { |
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { |
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args[_key] = arguments[_key]; |
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} |
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lastArgs = args; |
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if (frameId) { |
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return; |
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} |
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frameId = requestAnimationFrame(function () { |
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frameId = null; |
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fn.apply(void 0, lastArgs); |
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}); |
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}; |
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wrapperFn.cancel = function () { |
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if (!frameId) { |
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return; |
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} |
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cancelAnimationFrame(frameId); |
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frameId = null; |
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}; |
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return wrapperFn; |
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}; |
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module.exports = rafSchd;
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