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979 BJavaScriptView Raw
1"use strict";
2
3var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
4
5Object.defineProperty(exports, "__esModule", {
6 value: true
7});
8exports["default"] = wrapperRaf;
9
10var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
11
12var id = 0;
13var ids = {}; // Support call raf with delay specified frame
14
15function wrapperRaf(callback) {
16 var delayFrames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
17 var myId = id++;
18 var restFrames = delayFrames;
19
20 function internalCallback() {
21 restFrames -= 1;
22
23 if (restFrames <= 0) {
24 callback();
25 delete ids[myId];
26 } else {
27 ids[myId] = (0, _raf["default"])(internalCallback);
28 }
29 }
30
31 ids[myId] = (0, _raf["default"])(internalCallback);
32 return myId;
33}
34
35wrapperRaf.cancel = function cancel(pid) {
36 if (pid === undefined) return;
37
38 _raf["default"].cancel(ids[pid]);
39
40 delete ids[pid];
41};
42
43wrapperRaf.ids = ids; // export this for test usage
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