20 lines
614 B
JavaScript
20 lines
614 B
JavaScript
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"use strict";
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var isFunction = require("../../function/is-function")
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, slice = Array.prototype.slice
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, defineProperty = Object.defineProperty
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, desc = { configurable: true, enumerable: true, writable: true, value: null };
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module.exports = function (/* …items*/) {
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var result, i, length;
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if (!this || this === Array || !isFunction(this)) return slice.call(arguments);
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result = new this((length = arguments.length));
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for (i = 0; i < length; ++i) {
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desc.value = arguments[i];
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defineProperty(result, i, desc);
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}
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desc.value = null;
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result.length = length;
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return result;
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};
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