1 files changed, 41 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/x-is-function/README.md b/tools/node_modules/eslint/node_modules/x-is-function/README.md
new file mode 100644
index 0000000000..0c21a7e9ff
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/x-is-function/README.md
@@ -0,0 +1,41 @@
+# x-is-function
+x is a function
+
+# usage
+`npm install x-is-function`
+
+```js
+var isFunction = require('x-is-function')
+
+isFunction(function () {})
+// -> true
+
+isFunction("hello")
+// -> false
+
+isFunction("")
+// -> false
+
+isFunction(9)
+// -> false
+
+isFunction(true)
+// -> false
+
+isFunction(new Date())
+// -> false
+
+isFunction({})
+// -> false
+
+isFunction(null)
+// -> false
+
+isFunction(undefined)
+// -> false
+```
+
+
+# related
+a list of other `x-is-...` modules can be found at
+* [x-is](https://www.npmjs.com/package/x-is)