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themes/ceras/node_modules/es5-ext/object/copy.js

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+"use strict";
+
+var aFrom  = require("../array/from")
+  , assign = require("./assign")
+  , value  = require("./valid-value");
+
+module.exports = function (obj/*, propertyNames, options*/) {
+	var copy = Object(value(obj)), propertyNames = arguments[1], options = Object(arguments[2]);
+	if (copy !== obj && !propertyNames) return copy;
+	var result = {};
+	if (propertyNames) {
+		aFrom(propertyNames, function (propertyName) {
+			if (options.ensure || propertyName in obj) result[propertyName] = obj[propertyName];
+		});
+	} else {
+		assign(result, obj);
+	}
+	return result;
+};