biofriction-wp-theme/node_modules/es5-ext/object/first-key.js

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2021-10-26 14:18:09 +02:00
"use strict";
var value = require("./valid-value")
, objPropertyIsEnumerable = Object.prototype.propertyIsEnumerable;
module.exports = function (obj) {
var i;
value(obj);
for (i in obj) {
if (objPropertyIsEnumerable.call(obj, i)) return i;
}
return null;
};