28 lines
792 B
Plaintext
28 lines
792 B
Plaintext
"use strict";
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var isPrototype = require("../prototype/is");
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var isArray;
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if (typeof Array.isArray === "function") {
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isArray = Array.isArray;
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} else {
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var objectToString = Object.prototype.toString, objectTaggedString = objectToString.call([]);
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isArray = function (value) { return objectToString.call(value) === objectTaggedString; };
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}
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module.exports = function (value) {
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if (!isArray(value)) return false;
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// Sanity check (reject objects which do not expose common Array interface)
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if (!hasOwnProperty.call(value, "length")) return false;
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try {
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if (typeof value.length !== "number") return false;
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if (typeof value.push !== "function") return false;
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if (typeof value.splice !== "function") return false;
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} catch (error) {
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return false;
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}
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return !isPrototype(value);
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};
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