54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.default = void 0;
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var _inDOM = _interopRequireDefault(require("./inDOM"));
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var vendors = ['', 'webkit', 'moz', 'o', 'ms'];
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var cancel = 'clearTimeout';
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var raf = fallback;
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var compatRaf;
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var getKey = function getKey(vendor, k) {
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return vendor + (!vendor ? k : k[0].toUpperCase() + k.substr(1)) + 'AnimationFrame';
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};
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if (_inDOM.default) {
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vendors.some(function (vendor) {
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var rafKey = getKey(vendor, 'request');
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if (rafKey in window) {
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cancel = getKey(vendor, 'cancel');
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return raf = function raf(cb) {
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return window[rafKey](cb);
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};
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}
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});
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}
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/* https://github.com/component/raf */
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var prev = new Date().getTime();
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function fallback(fn) {
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var curr = new Date().getTime(),
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ms = Math.max(0, 16 - (curr - prev)),
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req = setTimeout(fn, ms);
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prev = curr;
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return req;
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}
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compatRaf = function compatRaf(cb) {
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return raf(cb);
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};
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compatRaf.cancel = function (id) {
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window[cancel] && typeof window[cancel] === 'function' && window[cancel](id);
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};
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var _default = compatRaf;
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exports.default = _default;
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module.exports = exports["default"]; |