feat: add built in naming convention regex

Author: dukeluo

lib/constants/naming-convention.js

@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Built in filename naming convention
+ * @author Duke Luo
+ */
+'use strict';
+
+/**
+ * @example hello, helloWorld
+ */
+const CAMEL_CASE = /^([a-z]+){1}([A-Z][a-z0-9]*)*$/;
+
+/**
+ * @example Hello, HelloWorld
+ */
+const PASCAL_CASE = /^([A-Z][a-z0-9]*)*$/;
+
+/**
+ * @example hello, hello_world
+ */
+const SNAKE_CASE = /^([a-z]+_?)([a-z0-9]+_)*[a-z0-9]+$/;
+
+/**
+ * @example hello, hello-world
+ */
+const KEBAB_CASE = /^([a-z]+-?)([a-z0-9]+-)*[a-z0-9]+$/;
+
+/**
+ * @example HELLO, HELLO_WORLD
+ */
+const SCREAMING_SNAKE_CASE = /^([A-Z]+_?)([A-Z0-9]+_)*[A-Z0-9]+$/;
+
+/**
+ * @example hello, helloworld
+ */
+const FLAT_CASE = /^[a-z0-9]+$/;
+
+module.exports = {
+  CAMEL_CASE,
+  PASCAL_CASE,
+  SNAKE_CASE,
+  KEBAB_CASE,
+  SCREAMING_SNAKE_CASE,
+  FLAT_CASE,
+};