27 lines
666 B
Plaintext
27 lines
666 B
Plaintext
"use strict";
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var isPrototype = require("../prototype/is");
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var dateValueOf = Date.prototype.valueOf;
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module.exports = function (value) {
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if (!value) return false;
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try {
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// Sanity check (reject objects which do not expose common Date interface)
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if (typeof value.getFullYear !== "function") return false;
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if (typeof value.getTimezoneOffset !== "function") return false;
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if (typeof value.setFullYear !== "function") return false;
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// Ensure its native Date object (has [[DateValue]] slot)
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dateValueOf.call(value);
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} catch (error) {
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return false;
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}
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// Ensure it hosts valid date
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if (isNaN(value)) return false;
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return !isPrototype(value);
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};
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