1 files changed, 72 insertions, 0 deletions
diff --git a/tools/eslint/lib/rules/no-restricted-modules.js b/tools/eslint/lib/rules/no-restricted-modules.js
new file mode 100644
index 0000000000..a4c13517df
--- /dev/null
+++ b/tools/eslint/lib/rules/no-restricted-modules.js
@@ -0,0 +1,72 @@
+/**
+ * @fileoverview Restrict usage of specified node modules.
+ * @author Christian Schulz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function (context) {
+    // trim restricted module names
+    var restrictedModules = context.options;
+
+    // if no modules are restricted we don't need to check the CallExpressions
+    if (restrictedModules.length === 0) {
+        return {};
+    }
+
+    /**
+     * Function to check if a node is a string literal.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} If the node is a string literal.
+     */
+    function isString(node) {
+        return node && node.type === "Literal" && typeof node.value === "string";
+    }
+
+    /**
+     * Function to check if a node is a require call.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} If the node is a require call.
+     */
+    function isRequireCall(node) {
+        return node.callee.type === "Identifier" && node.callee.name === "require";
+    }
+
+    /**
+     * Function to check if a node has an argument that is an restricted module and return its name.
+     * @param {ASTNode} node The node to check
+     * @returns {undefined|String} restricted module name or undefined if node argument isn't restricted.
+     */
+    function getRestrictedModuleName(node) {
+        var moduleName;
+
+        // node has arguments and first argument is string
+        if (node.arguments.length && isString(node.arguments[0])) {
+            var argumentValue = node.arguments[0].value.trim();
+
+            // check if argument value is in restricted modules array
+            if (restrictedModules.indexOf(argumentValue) !== -1) {
+                moduleName = argumentValue;
+            }
+        }
+
+        return moduleName;
+    }
+
+    return {
+        "CallExpression": function (node) {
+            if (isRequireCall(node)) {
+                var restrictedModuleName = getRestrictedModuleName(node);
+
+                if (restrictedModuleName) {
+                    context.report(node, "'{{moduleName}}' module is restricted from being used.", {
+                        moduleName: restrictedModuleName
+                    });
+                }
+            }
+        }
+    };
+};