blob: 7abad9475da30e15d29c7e3c4b4905f0ba699477 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
import once from './once';
import iterator from './iterator';
import onlyOnce from './onlyOnce';
import breakLoop from './breakLoop';
import promiseCallback from './promiseCallback';
export default function _eachOfLimit(limit) {
return function (obj, iteratee, callback) {
callback = once(callback || promiseCallback());
if (limit <= 0 || !obj) {
return callback(null);
}
var nextElem = iterator(obj);
var done = false;
var running = 0;
var looping = false;
function iterateeCallback(err, value) {
running -= 1;
if (err) {
done = true;
callback(err);
}
else if (value === breakLoop || (done && running <= 0)) {
done = true;
return callback(null);
}
else if (!looping) {
replenish();
}
}
function replenish () {
looping = true;
while (running < limit && !done) {
var elem = nextElem();
if (elem === null) {
done = true;
if (running <= 0) {
callback(null);
}
return;
}
running += 1;
iteratee(elem.value, elem.key, onlyOnce(iterateeCallback));
}
looping = false;
}
replenish();
return callback.promise;
};
}
|
