39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
(function (arr, i) {
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if (arr && arr.constructor === Array) {
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return arr;
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} else if (Symbol.iterator in Object(arr)) {
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// this is an expanded form of `for...of` that properly supports abrupt completions of
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// iterators etc. variable names have been minimised to reduce the size of this massive
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// helper. sometimes spec compliancy is annoying :()
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//
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// _n = _iteratorNormalCompletion
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// _d = _didIteratorError
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// _e = _iteratorError
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// _i = _iterator
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// _s = _step
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var _arr = [];
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var _n = true;
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var _d = false;
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var _e = undefined;
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try {
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for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
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_arr.push(_s.value);
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if (i && _arr.length === i) break;
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}
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} catch (err) {
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_d = true;
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_e = err;
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} finally {
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try {
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if (!_n && _i["return"]) _i["return"]();
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} finally {
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if (_d) throw _e;
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}
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}
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return _arr;
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} else {
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throw new TypeError("Invalid attempt to destructure non-iterable instance");
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}
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});
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