1 | /**
|
2 | * A faster alternative to `Function#apply`, this function invokes `func`
|
3 | * with the `this` binding of `thisArg` and the arguments of `args`.
|
4 | *
|
5 | * @private
|
6 | * @param {Function} func The function to invoke.
|
7 | * @param {*} thisArg The `this` binding of `func`.
|
8 | * @param {Array} args The arguments to invoke `func` with.
|
9 | * @returns {*} Returns the result of `func`.
|
10 | */
|
11 | function apply(func, thisArg, args) {
|
12 | var length = args.length;
|
13 | switch (length) {
|
14 | case 0: return func.call(thisArg);
|
15 | case 1: return func.call(thisArg, args[0]);
|
16 | case 2: return func.call(thisArg, args[0], args[1]);
|
17 | case 3: return func.call(thisArg, args[0], args[1], args[2]);
|
18 | }
|
19 | return func.apply(thisArg, args);
|
20 | }
|
21 |
|
22 | export default apply;
|