tools: replace closure-linter with eslint

PR-URL: https://github.com/iojs/io.js/pull/1539
Fixes: https://github.com/iojs/io.js/issues/1253
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/tools/eslint/lib/rules/no-reserved-keys.js b/tools/eslint/lib/rules/no-reserved-keys.js
new file mode 100644
index 0000000000..d94dcffb97
--- /dev/null
+++ b/tools/eslint/lib/rules/no-reserved-keys.js
@@ -0,0 +1,54 @@
+/**
+ * @fileoverview Rule to disallow reserved words being used as keys
+ * @author Emil Bay
+ * @copyright 2014 Emil Bay. All rights reserved.
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+
+    var MESSAGE = "Reserved word '{{key}}' used as key.";
+
+    var reservedWords = [
+        "abstract",
+        "boolean", "break", "byte",
+        "case", "catch", "char", "class", "const", "continue",
+        "debugger", "default", "delete", "do", "double",
+        "else", "enum", "export", "extends",
+        "final", "finally", "float", "for", "function",
+        "goto",
+        "if", "implements", "import", "in", "instanceof", "int", "interface",
+        "long",
+        "native", "new",
+        "package", "private", "protected", "public",
+        "return",
+        "short", "static", "super", "switch", "synchronized",
+        "this", "throw", "throws", "transient", "try", "typeof",
+        "var", "void", "volatile",
+        "while", "with"
+    ];
+
+    return {
+
+        "ObjectExpression": function(node) {
+            node.properties.forEach(function(property) {
+
+                if (property.key.type === "Identifier") {
+                    var keyName = property.key.name;
+
+                    if (reservedWords.indexOf("" + keyName) !== -1) {
+                        context.report(node, MESSAGE, { key: keyName });
+                    }
+                }
+
+            });
+
+        }
+    };
+
+};