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diff --git a/node_modules/get-func-name/index.js b/node_modules/get-func-name/index.js
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+'use strict';
+
+/* !
+ * Chai - getFuncName utility
+ * Copyright(c) 2012-2016 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### .getFuncName(constructorFn)
+ *
+ * Returns the name of a function.
+ * When a non-function instance is passed, returns `null`.
+ * This also includes a polyfill function if `aFunc.name` is not defined.
+ *
+ * @name getFuncName
+ * @param {Function} funct
+ * @namespace Utils
+ * @api public
+ */
+
+var toString = Function.prototype.toString;
+var functionNameMatch = /\s*function(?:\s|\s*\/\*[^(?:*\/)]+\*\/\s*)*([^\s\(\/]+)/;
+function getFuncName(aFunc) {
+ if (typeof aFunc !== 'function') {
+ return null;
+ }
+
+ var name = '';
+ if (typeof Function.prototype.name === 'undefined' && typeof aFunc.name === 'undefined') {
+ // Here we run a polyfill if Function does not support the `name` property and if aFunc.name is not defined
+ var match = toString.call(aFunc).match(functionNameMatch);
+ if (match) {
+ name = match[1];
+ }
+ } else {
+ // If we've got a `name` property we just use it
+ name = aFunc.name;
+ }
+
+ return name;
+}
+
+module.exports = getFuncName;