1 files changed, 62 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-restricted-syntax.js b/tools/node_modules/eslint/lib/rules/no-restricted-syntax.js
new file mode 100644
index 0000000000..1798065ec0
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/no-restricted-syntax.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Rule to flag use of certain node types
+ * @author Burak Yigit Kaya
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow specified syntax",
+            category: "Stylistic Issues",
+            recommended: false
+        },
+
+        schema: {
+            type: "array",
+            items: [{
+                oneOf: [
+                    {
+                        type: "string"
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            selector: { type: "string" },
+                            message: { type: "string" }
+                        },
+                        required: ["selector"],
+                        additionalProperties: false
+                    }
+                ]
+            }],
+            uniqueItems: true,
+            minItems: 0
+        }
+    },
+
+    create(context) {
+        return context.options.reduce((result, selectorOrObject) => {
+            const isStringFormat = (typeof selectorOrObject === "string");
+            const hasCustomMessage = !isStringFormat && Boolean(selectorOrObject.message);
+
+            const selector = isStringFormat ? selectorOrObject : selectorOrObject.selector;
+            const message = hasCustomMessage ? selectorOrObject.message : "Using '{{selector}}' is not allowed.";
+
+            return Object.assign(result, {
+                [selector](node) {
+                    context.report({
+                        node,
+                        message,
+                        data: hasCustomMessage ? {} : { selector }
+                    });
+                }
+            });
+        }, {});
+
+    }
+};