[fix] - Add expression handler for ThisExpression

Fixes #41

Author: Ethan Cohen

src/util/values/expressions/ThisExpression.js

@@ -0,0 +1,11 @@
+'use strict';
+
+/**
+ * Extractor function for a ThisExpression type value node.
+ * A this expression is using `this` as an identifier.
+ *
+ * @returns - 'this' as a string.
+ */
+export default function extractValueFromThisExpression() {
+  return 'this';
+}

src/util/values/expressions/index.js

@@ -10,7 +10,7 @@ import LogicalExpression from './LogicalExpression';
 import MemberExpression from './MemberExpression';
 import CallExpression from './CallExpression';
 import UnaryExpression from './UnaryExpression';
-
+import ThisExpression from './ThisExpression';
 
 
 
@@ -24,7 +24,8 @@ const TYPES = {
   LogicalExpression,
   MemberExpression,
   CallExpression,
-  UnaryExpression
+  UnaryExpression,
+  ThisExpression
 };
 
 const noop = () => null;
@@ -50,7 +51,8 @@ const LITERAL_TYPES = assign({}, TYPES, {
   UnaryExpression: value => {
     const extractedVal = TYPES.UnaryExpression(value);
     return extractedVal === undefined ? null : extractedVal;
-  }
+  },
+  ThisExpression: noop
 });
 
 /**

tests/src/rules/href-no-hash.js

@@ -49,6 +49,7 @@ ruleTester.run('href-no-hash', rule, {
     { code: '<a href={"foo"}/>', parserOptions },
     { code: '<a href="#foo" />', parserOptions },
     { code: '<UX.Layout>test</UX.Layout>', parserOptions },
+    { code: '<a href={this} />', parserOptions },
 
     // CUSTOM ELEMENT TEST FOR STRING OPTION
     { code: '<Link />;', options: string, parserOptions },