feat: add custom ESLint rule restrict-import-depth (#110)

custom-eslint-rules/index.js

@@ -0,0 +1,5 @@
+module.exports = {
+    rules: {
+        'restrict-import-depth': require('./restrict-import-depth'),
+    },
+};

custom-eslint-rules/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "eslint-plugin-restrict-import-depth",
+  "version": "0.1.0",
+  "description": "ESLint plugin to restrict the depth of import statements",
+  "main": "index.js"
+}

custom-eslint-rules/restrict-import-depth.js

@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Custom ESLint rule to restrict imports from accessing files more than 2 directories up.
+ */
+
+'use strict';
+
+module.exports = {
+    meta: {
+        type: 'problem',
+        docs: {
+            description: 'Restrict imports from accessing files more than 2 directories up.',
+            category: 'Best Practices',
+            recommended: true,
+        },
+        fixable: null,
+        schema: [],
+    },
+
+    create: function (context) {
+        return {
+            ImportDeclaration(node) {
+                const importPath = node.source.value;
+                if (importPath.startsWith('../')) {
+                    const depth = importPath.match(/\.\.\//g).length;
+                    if (depth > 2) {
+                        context.report({
+                            node,
+                            message: 'Importing files more than 2 directories up is not allowed.',
+                        });
+                    }
+                }
+            },
+        };
+    },
+};