chore: new payload/no-relative-monorepo-imports eslint rule

packages/eslint-plugin-payload/customRules/no-relative-monorepo-imports.js

@@ -0,0 +1,28 @@
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'Disallow imports from relative monorepo packages/*/src',
+      category: 'Best Practices',
+      recommended: true,
+    },
+    schema: [],
+  },
+  create: function (context) {
+    return {
+      ImportDeclaration(node) {
+        const importPath = node.source.value
+
+        // Match imports starting with any number of "../" followed by "packages/"
+        const regex = /^(\.\.\/)*packages\/[^/]+\/src/
+
+        if (regex.test(importPath)) {
+          context.report({
+            node: node.source,
+            message: 'Import from relative "packages/*/src" is not allowed',
+          })
+        }
+      },
+    }
+  },
+}

packages/eslint-plugin-payload/index.js

@@ -2,5 +2,6 @@
 module.exports = {
   rules: {
     'no-non-retryable-assertions': require('./customRules/no-non-retryable-assertions'),
+    'no-relative-monorepo-imports': require('./customRules/no-relative-monorepo-imports'),
   },
 }