-
-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
es.typed-array.set.js
26 lines (23 loc) · 933 Bytes
/
es.typed-array.set.js
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
'use strict';
var toLength = require('../internals/to-length');
var toOffset = require('../internals/to-offset');
var toObject = require('../internals/to-object');
var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
var fails = require('../internals/fails');
var aTypedArray = ArrayBufferViewCore.aTypedArray;
var FORCED = fails(function () {
// eslint-disable-next-line no-undef
new Int8Array(1).set({});
});
// `%TypedArray%.prototype.set` method
// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.set
ArrayBufferViewCore.exportProto('set', function set(arrayLike /* , offset */) {
aTypedArray(this);
var offset = toOffset(arguments[1], 1);
var length = this.length;
var src = toObject(arrayLike);
var len = toLength(src.length);
var index = 0;
if (len + offset > length) throw RangeError('Wrong length');
while (index < len) this[offset + index] = src[index++];
}, FORCED);