1 files changed, 62 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-constructor-return.js b/tools/node_modules/eslint/lib/rules/no-constructor-return.js
new file mode 100644
index 0000000000..4757770b7c
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/no-constructor-return.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Rule to disallow returning value from constructor.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow returning value from constructor",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-constructor-return"
+        },
+
+        schema: {},
+
+        fixable: null,
+
+        messages: {
+            unexpected: "Unexpected return statement in constructor."
+        }
+    },
+
+    create(context) {
+        const stack = [];
+
+        return {
+            onCodePathStart(_, node) {
+                stack.push(node);
+            },
+            onCodePathEnd() {
+                stack.pop();
+            },
+            ReturnStatement(node) {
+                const last = stack[stack.length - 1];
+
+                if (!last.parent) {
+                    return;
+                }
+
+                if (
+                    last.parent.type === "MethodDefinition" &&
+                    last.parent.kind === "constructor" &&
+                    (node.parent.parent === last || node.argument)
+                ) {
+                    context.report({
+                        node,
+                        messageId: "unexpected"
+                    });
+                }
+            }
+        };
+    }
+};