blob: 14e6320cf9ec15ff4a946a07da12cc6ed95e6426 (
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
|
function areInputsEqual(newInputs, lastInputs) {
if (newInputs.length !== lastInputs.length) {
return false;
}
for (var i = 0; i < newInputs.length; i++) {
if (newInputs[i] !== lastInputs[i]) {
return false;
}
}
return true;
}
function memoizeOne(resultFn, isEqual) {
if (isEqual === void 0) {
isEqual = areInputsEqual;
}
var lastThis;
var lastArgs = [];
var lastResult;
var calledOnce = false;
var result = function memoized() {
for (var _len = arguments.length, newArgs = new Array(_len), _key = 0; _key < _len; _key++) {
newArgs[_key] = arguments[_key];
}
if (calledOnce && lastThis === this && isEqual(newArgs, lastArgs)) {
return lastResult;
}
lastResult = resultFn.apply(this, newArgs);
calledOnce = true;
lastThis = this;
lastArgs = newArgs;
return lastResult;
};
return result;
}
export default memoizeOne;
|