52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
"use strict";
|
|
|
|
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
|
|
|
|
exports.__esModule = true;
|
|
exports.request = exports.cancel = void 0;
|
|
|
|
var _canUseDOM = _interopRequireDefault(require("./canUseDOM"));
|
|
|
|
/* https://github.com/component/raf */
|
|
var prev = new Date().getTime();
|
|
|
|
function fallback(fn) {
|
|
var curr = new Date().getTime();
|
|
var ms = Math.max(0, 16 - (curr - prev));
|
|
var handle = setTimeout(fn, ms);
|
|
prev = curr;
|
|
return handle;
|
|
}
|
|
|
|
var vendors = ['', 'webkit', 'moz', 'o', 'ms'];
|
|
var cancelMethod = 'clearTimeout';
|
|
var rafImpl = fallback; // eslint-disable-next-line import/no-mutable-exports
|
|
|
|
var getKey = function getKey(vendor, k) {
|
|
return vendor + (!vendor ? k : k[0].toUpperCase() + k.substr(1)) + "AnimationFrame";
|
|
};
|
|
|
|
if (_canUseDOM.default) {
|
|
vendors.some(function (vendor) {
|
|
var rafMethod = getKey(vendor, 'request');
|
|
|
|
if (rafMethod in window) {
|
|
cancelMethod = getKey(vendor, 'cancel'); // @ts-ignore
|
|
|
|
rafImpl = function rafImpl(cb) {
|
|
return window[rafMethod](cb);
|
|
};
|
|
}
|
|
|
|
return !!rafImpl;
|
|
});
|
|
}
|
|
|
|
var cancel = function cancel(id) {
|
|
// @ts-ignore
|
|
if (typeof window[cancelMethod] === 'function') window[cancelMethod](id);
|
|
};
|
|
|
|
exports.cancel = cancel;
|
|
var request = rafImpl;
|
|
exports.request = request; |