feat: no-parent-barrel-import

Author: jonioni

src/rules/no-parent-barrel-import.js

@@ -0,0 +1,39 @@
+/**
+ * @fileOverview Forbids a module from importing from parent barrel file
+ * @author jonioni
+ */
+
+import { parse } from "path";
+import resolve from 'eslint-module-utils/resolve';
+import moduleVisitor from 'eslint-module-utils/moduleVisitor';
+import docsUrl from '../docsUrl';
+
+function isImportingFromParentBarrel(context, node, requireName) {
+  const filePath = context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename();
+  const importPath = resolve(requireName, context);
+  const importDetails = parse(importPath);
+  if (importDetails.name === "index" && filePath.startsWith(importDetails.dir)) {
+    context.report({
+      node,
+      message: 'Module imports from parent barrel file.',
+    });
+  }
+}
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      category: 'Static analysis',
+      description: 'Forbid a module from importing from parent barrel file.',
+      recommended: true,
+      url: docsUrl('no-parent-barrel-import'),
+    },
+    schema: [],
+  },
+  create(context) {
+    return isImportingFromParentBarrel((source, node) => {
+      isImportingSelf(context, node, source.value);
+    }, { commonjs: true });
+  },
+};