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