blob: 0f2eab26508bd4153a061ccbba1e51dde0dfb477 (
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
56
57
|
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _symbols = require("./symbols.js");
/* eslint-disable no-redeclare */
// $FlowFixMe[name-already-bound]
var arrayFrom = Array.from || function (obj, mapFn, thisArg) {
if (obj == null) {
throw new TypeError('Array.from requires an array-like object - not null or undefined');
} // Is Iterable?
var iteratorMethod = obj[_symbols.SYMBOL_ITERATOR];
if (typeof iteratorMethod === 'function') {
var iterator = iteratorMethod.call(obj);
var result = [];
var step;
for (var i = 0; !(step = iterator.next()).done; ++i) {
result.push(mapFn.call(thisArg, step.value, i)); // Infinite Iterators could cause forEach to run forever.
// After a very large number of iterations, produce an error.
// istanbul ignore if (Too big to actually test)
if (i > 9999999) {
throw new TypeError('Near-infinite iteration.');
}
}
return result;
} // Is Array like?
var length = obj.length;
if (typeof length === 'number' && length >= 0 && length % 1 === 0) {
var _result = [];
for (var _i = 0; _i < length; ++_i) {
if (Object.prototype.hasOwnProperty.call(obj, _i)) {
_result.push(mapFn.call(thisArg, obj[_i], _i));
}
}
return _result;
}
return [];
};
var _default = arrayFrom;
exports.default = _default;
|