Version 1

[yaffs-website] / node_modules / uncss / node_modules / lodash / isSymbol.js

diff --git a/node_modules/uncss/node_modules/lodash/isSymbol.js b/node_modules/uncss/node_modules/lodash/isSymbol.js
new file mode 100644 (file)
index 0000000..59f2df0
--- /dev/null
+++ b/node_modules/uncss/node_modules/lodash/isSymbol.js
@@ -0,0 +1,36 @@
+var isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var symbolTag = '[object Symbol]';
+
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
+/**
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+module.exports = isSymbol;