chore: 🤖 forbid import from ui/** (#40537)

* chore: 🤖 forbid importing from ui/** from within shims

* chore: 🤖 allow importing platfrom in dashboard embeddable sihm

* chore: 🤖 use np_ready folder, improve rule

* chore: 🤖 update ESLint error message

* feat: 🎸 improve eslint plugin rule

* test: 💍 add tests for restricted paths linter rule

* test: 💍 add ESLint package to CI testing suite

* chore: 🤖 fix linter errors

.eslintrc.js

@@ -156,6 +156,21 @@ module.exports = {
                 ],
                 allowSameFolder: true,
               },
+              {
+                from: ['src/legacy/ui/**/*', 'ui/**/*'],
+                target: [
+                  'src/legacy/core_plugins/**/public/np_ready/**/*',
+                  'src/legacy/core_plugins/**/server/np_ready/**/*',
+                  'x-pack/legacy/plugins/**/public/np_ready/**/*',
+                  'x-pack/legacy/plugins/**/server/np_ready/**/*',
+                ],
+                allowSameFolder: true,
+                errorMessage:
+                  'NP-ready code should not import from /src/legacy/ui/** folder. ' +
+                  'Instead of importing from /src/legacy/ui/** deeply within a np_ready folder, ' +
+                  'import those things once at the top level of your plugin and pass those down, just ' +
+                  'like you pass down `core` and `plugins` objects.',
+              },
             ],
           },
         ],

packages/kbn-eslint-plugin-eslint/rules/__tests__/no_restricted_paths.js

@@ -295,5 +295,79 @@ ruleTester.run('@kbn/eslint/no-restricted-paths', rule, {
         },
       ],
     },
+
+    {
+      // Does not allow to import deeply within Core, using "src/core/..." Webpack alias.
+      code: 'const d = require("src/core/server/saved_objects")',
+      filename: path.join(__dirname, './files/no_restricted_paths/client/a.js'),
+      options: [
+        {
+          basePath: __dirname,
+          zones: [
+            {
+              target: 'files/no_restricted_paths/**/*',
+              from: 'src/core/server/**/*',
+            },
+          ],
+        },
+      ],
+      errors: [
+        {
+          message: 'Unexpected path "src/core/server/saved_objects" imported in restricted zone.',
+          line: 1,
+          column: 19,
+        },
+      ],
+    },
+
+    {
+      // Does not allow to import "ui/kfetch".
+      code: 'const d = require("ui/kfetch")',
+      filename: path.join(__dirname, './files/no_restricted_paths/client/a.js'),
+      options: [
+        {
+          basePath: __dirname,
+          zones: [
+            {
+              from: ['src/legacy/ui/**/*', 'ui/**/*'],
+              target: 'files/no_restricted_paths/**/*',
+              allowSameFolder: true,
+            },
+          ],
+        },
+      ],
+      errors: [
+        {
+          message: 'Unexpected path "ui/kfetch" imported in restricted zone.',
+          line: 1,
+          column: 19,
+        },
+      ],
+    },
+
+    {
+      // Does not allow to import deeply "ui/kfetch/public/index".
+      code: 'const d = require("ui/kfetch/public/index")',
+      filename: path.join(__dirname, './files/no_restricted_paths/client/a.js'),
+      options: [
+        {
+          basePath: __dirname,
+          zones: [
+            {
+              from: ['src/legacy/ui/**/*', 'ui/**/*'],
+              target: 'files/no_restricted_paths/**/*',
+              allowSameFolder: true,
+            },
+          ],
+        },
+      ],
+      errors: [
+        {
+          message: 'Unexpected path "ui/kfetch/public/index" imported in restricted zone.',
+          line: 1,
+          column: 19,
+        },
+      ],
+    },
   ],
 });

packages/kbn-eslint-plugin-eslint/rules/no_restricted_paths.js

@@ -97,15 +97,16 @@ module.exports = {
     }
 
     function checkForRestrictedImportPath(importPath, node) {
-      const absoluteImportPath = resolve(importPath, context);
-      if (!absoluteImportPath) return;
+      const absoluteImportPath = importPath[0] === '.' ? resolve(importPath, context) : undefined;
 
       const currentFilename = context.getFilename();
-      for (const { target, from, allowSameFolder } of zones) {
+      for (const { target, from, allowSameFolder, errorMessage = '' } of zones) {
         const srcFilePath = resolve(currentFilename, context);
 
         const relativeSrcFile = path.relative(basePath, srcFilePath);
-        const relativeImportFile = path.relative(basePath, absoluteImportPath);
+        const relativeImportFile = absoluteImportPath
+          ? path.relative(basePath, absoluteImportPath)
+          : importPath;
 
         if (
           !mm([relativeSrcFile], target).length ||
@@ -116,7 +117,9 @@ module.exports = {
 
         context.report({
           node,
-          message: `Unexpected path "${importPath}" imported in restricted zone.`,
+          message: `Unexpected path "${importPath}" imported in restricted zone.${
+            errorMessage ? ' ' + errorMessage : ''
+          }`,
         });
       }
     }

src/dev/mocha/run_mocha_cli.js

@@ -74,6 +74,7 @@ export function runMochaCli() {
       'packages/elastic-datemath/test/**/*.js',
       'packages/kbn-dev-utils/src/**/__tests__/**/*.js',
       'packages/kbn-es-query/src/**/__tests__/**/*.js',
+      'packages/kbn-eslint-plugin-eslint/**/__tests__/**/*.js',
       'tasks/**/__tests__/**/*.js',
     ], {
       cwd: resolve(__dirname, '../../..'),

src/legacy/core_plugins/dashboard_embeddable_container/public/shim/index.ts

@@ -18,6 +18,7 @@
  */
 
 import { PluginInitializerContext } from 'kibana/public';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { npSetup, npStart } from 'ui/new_platform';
 import { embeddablePlugin } from '../../../embeddable_api/public';
 import { Plugin } from './plugin';

src/legacy/core_plugins/embeddable_api/public/panel/panel_header/panel_actions/add_panel/add_panel_flyout.tsx

@@ -38,6 +38,7 @@ import {
   EuiText,
 } from '@elastic/eui';
 
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { SavedObjectAttributes } from 'src/core/server/saved_objects';
 import { EmbeddableFactoryNotFoundError } from '../../../../embeddables/embeddable_factory_not_found_error';
 import { IContainer } from '../../../../containers';

src/legacy/ui/public/chrome/api/badge.test.ts

@@ -19,6 +19,7 @@
 
 import * as Rx from 'rxjs';
 
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { ChromeBadge } from 'src/core/public/chrome';
 import { newPlatformChrome } from './badge.test.mocks';
 import { initChromeBadgeApi } from './badge';

x-pack/legacy/plugins/beats_management/server/lib/adapters/database/__tests__/kibana.ts

@@ -7,6 +7,7 @@
 
 // @ts-ignore
 import { createEsTestCluster } from '@kbn/test';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { Root } from 'src/core/server/root';
 // @ts-ignore
 import * as kbnTestServer from '../../../../../../../../../src/test_utils/kbn_server';

x-pack/legacy/plugins/code/server/__tests__/multi_node.ts

@@ -6,6 +6,7 @@
 
 import getPort from 'get-port';
 import { resolve } from 'path';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { Root } from 'src/core/server/root';
 
 import {

x-pack/legacy/plugins/encrypted_saved_objects/server/plugin.ts

@@ -6,6 +6,7 @@
 
 import crypto from 'crypto';
 import { Legacy, Server } from 'kibana';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { SavedObjectsRepository } from 'src/core/server/saved_objects/service';
 import { SavedObjectsBaseOptions, SavedObject, SavedObjectAttributes } from 'src/core/server';
 import {

x-pack/legacy/plugins/spaces/server/routes/api/__fixtures__/create_test_handler.ts

@@ -8,6 +8,7 @@ import * as Rx from 'rxjs';
 import { Server } from 'hapi';
 import { Legacy } from 'kibana';
 import { KibanaConfig } from 'src/legacy/server/kbn_server';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { httpServiceMock, elasticsearchServiceMock } from 'src/core/server/mocks';
 import { createOptionalPlugin } from '../../../../../../server/lib/optional_plugin';
 import { SpacesClient } from '../../../lib/spaces_client';

x-pack/legacy/plugins/upgrade_assistant/server/lib/telemetry/usage_collector.ts

@@ -5,6 +5,7 @@
  */
 
 import { set } from 'lodash';
+// eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { SavedObjectsRepository } from 'src/core/server/saved_objects/service/lib/repository';
 import {
   UPGRADE_ASSISTANT_DOC_ID,