18 lines
491 B
JavaScript
18 lines
491 B
JavaScript
"use strict";
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var uniq = require("../array/#/uniq")
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, value = require("./valid-value")
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, push = Array.prototype.push
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, getOwnPropertyNames = Object.getOwnPropertyNames
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, getPrototypeOf = Object.getPrototypeOf;
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module.exports = function (obj) {
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var keys;
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obj = Object(value(obj));
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keys = getOwnPropertyNames(obj);
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while ((obj = getPrototypeOf(obj))) {
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push.apply(keys, getOwnPropertyNames(obj));
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}
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return uniq.call(keys);
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};
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