Version 1

[yaffs-website] / node_modules / grunt-legacy-log / node_modules / lodash / lang / isFunction.js

diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/lang/isFunction.js b/node_modules/grunt-legacy-log/node_modules/lodash/lang/isFunction.js
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+var isObject = require('./isObject');
+
+/** `Object#toString` result references. */
+var funcTag = '[object Function]';
+
+/** Used for native method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objToString = objectProto.toString;
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in older versions of Chrome and Safari which return 'function' for regexes
+  // and Safari 8 which returns 'object' for typed array constructors.
+  return isObject(value) && objToString.call(value) == funcTag;
+}
+
+module.exports = isFunction;