feat(eslint-plugin-react-components): add prefer-fluentui-v9 rule

change/@fluentui-eslint-plugin-react-components-1c2bc691-c857-43cf-9806-ffe8d0d058c0.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "feat: add prefer-fluentui-v9 rule",
+  "packageName": "@fluentui/eslint-plugin-react-components",
+  "email": "[email protected]",
+  "dependentChangeType": "none"
+}

packages/react-components/eslint-plugin-react-components/.eslintrc.json

@@ -1,5 +1,13 @@
 {
   "extends": ["plugin:@fluentui/eslint-plugin/node", "plugin:eslint-plugin/recommended"],
   "plugins": ["eslint-plugin"],
-  "root": true
+  "root": true,
+  "overrides": [
+    {
+      "files": ["src/rules/*.ts"],
+      "rules": {
+        "@typescript-eslint/naming-convention": "off"
+      }
+    }
+  ]
 }

packages/react-components/eslint-plugin-react-components/README.md

@@ -40,21 +40,42 @@ module.exports = {
 };
 ```
 
-1. Or configure individual rules manually:
+2. Or configure individual rules manually:
 
 ```js
 module.exports = {
   plugins: ['@fluentui/react-components'],
   rules: {
-    '@fluentui/react-components/rule-name-1': 'error',
-    '@fluentui/react-components/rule-name-2': 'warn',
+    '@fluentui/react-components/prefer-fluentui-v9': 'warn',
   },
 };
 ```
 
 ## Available Rules
 
-TBD
+### prefer-fluentui-v9
+
+This rule ensures the use of Fluent UI v9 counterparts for Fluent UI v8 components.
+
+#### Examples
+
+**✅ Do**
+
+```js
+// Import and use components that have been already migrated to Fluent UI v9
+import { Button } from '@fluentui/react-components';
+
+const Component = () => <Button>...</Button>;
+```
+
+**❌ Don't**
+
+```js
+// Avoid importing and using Fluent UI V8 components that have already been migrated to Fluent UI V9.
+import { DefaultButton } from '@fluentui/react';
+
+const Component = () => <DefaultButton>...</DefaultButton>;
+```
 
 ## License
 

packages/react-components/eslint-plugin-react-components/etc/eslint-plugin-react-components.api.md

@@ -4,8 +4,11 @@
 
 ```ts
 
+import { RuleListener } from '@typescript-eslint/utils/dist/ts-eslint';
+import { RuleModule } from '@typescript-eslint/utils/dist/ts-eslint';
+
 // @public (undocumented)
-const plugin: {
+export const plugin: {
     meta: {
         name: string;
         version: string;
@@ -16,9 +19,10 @@ const plugin: {
             rules: {};
         };
     };
-    rules: {};
+    rules: {
+        "prefer-fluentui-v9": RuleModule<"replaceFluent8With9" | "replaceIconWithJsx" | "replaceStackWithFlex" | "replaceFocusZoneWithTabster", {}[], unknown, RuleListener>;
+    };
 };
-export default plugin;
 
 // (No @packageDocumentation comment for this package)
 

packages/react-components/eslint-plugin-react-components/src/index.ts

@@ -1,7 +1,8 @@
 import { name, version } from '../package.json';
+import { RULE_NAME as preferFluentUIV9Name, rule as preferFluentUIV9 } from './rules/prefer-fluentui-v9';
 
 const allRules = {
-  // add all rules here
+  [preferFluentUIV9Name]: preferFluentUIV9,
 };
 
 const configs = {
@@ -14,7 +15,7 @@ const configs = {
 };
 
 // Plugin definition
-const plugin = {
+export const plugin = {
   meta: {
     name,
     version,
@@ -33,4 +34,4 @@ Object.assign(configs, {
   },
 });
 
-export default plugin;
+module.exports = plugin;

packages/react-components/eslint-plugin-react-components/src/rules/prefer-fluentui-v9.spec.ts

@@ -0,0 +1,40 @@
+import { RuleTester } from '@typescript-eslint/rule-tester';
+import { RULE_NAME, rule } from './prefer-fluentui-v9';
+
+const ruleTester = new RuleTester();
+
+ruleTester.run(RULE_NAME, rule, {
+  valid: [
+    {
+      code: `import type { IDropdownOption } from '@fluentui/react';`,
+    },
+    {
+      code: `import type { ITheme } from '@fluentui/react';`,
+    },
+    {
+      code: `import { ThemeProvider } from '@fluentui/react';`,
+    },
+    {
+      code: `import { Button } from '@fluentui/react-components';`,
+    },
+  ],
+  invalid: [
+    {
+      code: `import { Dropdown, Icon } from '@fluentui/react';`,
+      errors: [{ messageId: 'replaceFluent8With9' }, { messageId: 'replaceIconWithJsx' }],
+    },
+    {
+      code: `import { Stack } from '@fluentui/react';`,
+      errors: [{ messageId: 'replaceStackWithFlex' }],
+    },
+    {
+      code: `import { DatePicker } from '@fluentui/react';`,
+      errors: [
+        {
+          messageId: 'replaceFluent8With9',
+          data: { fluent8: 'DatePicker', fluent9: 'DatePicker', package: '@fluentui/react-datepicker-compat' },
+        },
+      ],
+    },
+  ],
+});

packages/react-components/eslint-plugin-react-components/src/rules/prefer-fluentui-v9.ts

@@ -0,0 +1,148 @@
+import { AST_NODE_TYPES } from '@typescript-eslint/utils';
+
+import { createRule } from './utils/create-rule';
+
+export const RULE_NAME = 'prefer-fluentui-v9';
+
+type Options = Array<{}>;
+
+type MessageIds = 'replaceFluent8With9' | 'replaceIconWithJsx' | 'replaceStackWithFlex' | 'replaceFocusZoneWithTabster';
+
+export const rule = createRule<Options, MessageIds>({
+  name: RULE_NAME,
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'This rule ensures the use of Fluent UI v9 counterparts for Fluent UI v8 components.',
+    },
+    schema: [],
+    messages: {
+      replaceFluent8With9: `Avoid importing {{ fluent8 }} from '@fluentui/react', as this package has started migration to Fluent UI 9. Import {{ fluent9 }} from '{{ package }}' instead.`,
+      replaceIconWithJsx: `Avoid using Icon from '@fluentui/react', as this package has already migrated to Fluent UI 9. Use a JSX SVG icon from '@fluentui/react-icons' instead.`,
+      replaceStackWithFlex: `Avoid using Stack from '@fluentui/react', as this package has already migrated to Fluent UI 9. Use native CSS flexbox instead. More details are available at https://react.fluentui.dev/?path=/docs/concepts-migration-from-v8-components-flex-stack--docs`,
+      replaceFocusZoneWithTabster: `Avoid using {{ fluent8 }} from '@fluentui/react', as this package has already migrated to Fluent UI 9. Use the equivalent [Tabster](https://tabster.io/) hook instead.`,
+    },
+  },
+  defaultOptions: [],
+  create(context) {
+    return {
+      ImportDeclaration(node) {
+        if (node.source.value !== '@fluentui/react') {
+          return;
+        }
+
+        for (const specifier of node.specifiers) {
+          if (
+            specifier.type === AST_NODE_TYPES.ImportSpecifier &&
+            specifier.imported.type === AST_NODE_TYPES.Identifier
+          ) {
+            const name = specifier.imported.name;
+
+            switch (name) {
+              case 'Icon':
+                context.report({ node, messageId: 'replaceIconWithJsx' });
+                break;
+              case 'Stack':
+                context.report({ node, messageId: 'replaceStackWithFlex' });
+                break;
+              case 'FocusTrapZone':
+              case 'FocusZone':
+                context.report({ node, messageId: 'replaceFocusZoneWithTabster', data: { fluent8: name } });
+                break;
+              default:
+                if (isMigration(name)) {
+                  const migration = MIGRATIONS[name];
+
+                  context.report({
+                    node,
+                    messageId: 'replaceFluent8With9',
+                    data: {
+                      fluent8: name,
+                      fluent9: migration.import,
+                      package: migration.package,
+                    },
+                  });
+                }
+            }
+          }
+        }
+      },
+    };
+  },
+});
+
+/**
+ * Migrations from Fluent 8 components to Fluent 9 components.
+ * @see https://react.fluentui.dev/?path=/docs/concepts-migration-from-v8-component-mapping--docs
+ */
+const MIGRATIONS = {
+  makeStyles: { import: 'makeStyles', package: '@fluentui/react-components' },
+  ActionButton: { import: 'Button', package: '@fluentui/react-components' },
+  Announced: { import: 'useAnnounce', package: '@fluentui/react-components' },
+  Breadcrumb: { import: 'Breadcrumb', package: '@fluentui/react-components' },
+  Button: { import: 'Button', package: '@fluentui/react-components' },
+  Callout: { import: 'Popover', package: '@fluentui/react-components' },
+  Calendar: { import: 'Calendar', package: '@fluentui/react-calendar-compat' },
+  CommandBar: { import: 'Toolbar', package: '@fluentui/react-components' },
+  CommandBarButton: { import: 'Toolbar', package: '@fluentui/react-components' },
+  CommandButton: { import: 'MenuButton', package: '@fluentui/react-components' },
+  CompoundButton: { import: 'CompoundButton', package: '@fluentui/react-components' },
+  Checkbox: { import: 'Checkbox', package: '@fluentui/react-components' },
+  ChoiceGroup: { import: 'RadioGroup', package: '@fluentui/react-components' },
+  Coachmark: { import: 'TeachingPopover', package: '@fluentui/react-components' },
+  ComboBox: { import: 'Combobox', package: '@fluentui/react-components' },
+  ContextualMenu: { import: 'Menu', package: '@fluentui/react-components' },
+  DefaultButton: { import: 'Button', package: '@fluentui/react-components' },
+  DatePicker: { import: 'DatePicker', package: '@fluentui/react-datepicker-compat' },
+  DetailsList: { import: 'DataGrid', package: '@fluentui/react-components' },
+  Dialog: { import: 'Dialog', package: '@fluentui/react-components' },
+  DocumentCard: { import: 'Card', package: '@fluentui/react-components' },
+  Dropdown: { import: 'Dropdown', package: '@fluentui/react-components' },
+  Fabric: { import: 'FluentProvider', package: '@fluentui/react-components' },
+  Facepile: { import: 'AvatarGroup', package: '@fluentui/react-components' },
+  FocusTrapZone: { import: 'Tabster', package: '@fluentui/react-components' },
+  FocusZone: { import: 'Tabster', package: '@fluentui/react-components' },
+  GroupedList: { import: 'Tree', package: '@fluentui/react-components' },
+  HoverCard: { import: 'Popover', package: '@fluentui/react-components' }, // Not a direct equivalent; but could be used with custom behavior.
+  IconButton: { import: 'Button', package: '@fluentui/react-components' },
+  Image: { import: 'Image', package: '@fluentui/react-components' },
+  Keytips: { import: 'Keytips', package: '@fluentui-contrib/react-keytips' },
+  Label: { import: 'Label', package: '@fluentui/react-components' },
+  Layer: { import: 'Portal', package: '@fluentui/react-components' },
+  Link: { import: 'Link', package: '@fluentui/react-components' },
+  MessageBar: { import: 'MessageBar', package: '@fluentui/react-components' },
+  Modal: { import: 'Dialog', package: '@fluentui/react-components' },
+  OverflowSet: { import: 'Overflow', package: '@fluentui/react-components' },
+  Overlay: { import: 'Portal', package: '@fluentui/react-components' },
+  Panel: { import: 'Drawer', package: '@fluentui/react-components' },
+  PeoplePicker: { import: 'TagPicker', package: '@fluentui/react-components' },
+  Persona: { import: 'Persona', package: '@fluentui/react-components' },
+  Pivot: { import: 'TabList', package: '@fluentui/react-components' },
+  PivotItem: { import: 'Tab', package: '@fluentui/react-components' },
+  ProgressIndicator: { import: 'ProgressBar', package: '@fluentui/react-components' },
+  Rating: { import: 'Rating', package: '@fluentui/react-components' },
+  SearchBox: { import: 'SearchBox', package: '@fluentui/react-components' },
+  Separator: { import: 'Divider', package: '@fluentui/react-components' },
+  Shimmer: { import: 'Skeleton', package: '@fluentui/react-components' },
+  Slider: { import: 'Slider', package: '@fluentui/react-components' },
+  SplitButton: { import: 'SplitButton', package: '@fluentui/react-components' },
+  SpinButton: { import: 'SpinButton', package: '@fluentui/react-components' },
+  Spinner: { import: 'Spinner', package: '@fluentui/react-components' },
+  Stack: { import: 'StackShim', package: '@fluentui/react-components' },
+  SwatchColorPicker: { import: 'SwatchPicker', package: '@fluentui/react-components' },
+  TagPicker: { import: 'TagPicker', package: '@fluentui/react-components' },
+  TeachingBubble: { import: 'TeachingPopover', package: '@fluentui/react-components' },
+  Text: { import: 'Text', package: '@fluentui/react-components' },
+  TextField: { import: 'Input', package: '@fluentui/react-components' },
+  TimePicker: { import: 'TimePicker', package: '@fluentui/react-timepicker-compat' },
+  ToggleButton: { import: 'ToggleButton', package: '@fluentui/react-components' },
+  Toggle: { import: 'Switch', package: '@fluentui/react-components' },
+  Tooltip: { import: 'Tooltip', package: '@fluentui/react-components' },
+};
+
+/**
+ * Checks if a component name is in the MIGRATIONS list.
+ * @param name - The name of the component.
+ * @returns True if the component is in the MIGRATIONS list, false otherwise.
+ */
+const isMigration = (name: string): name is keyof typeof MIGRATIONS => name in MIGRATIONS;

packages/react-components/eslint-plugin-react-components/src/rules/utils/create-rule.ts

@@ -0,0 +1,9 @@
+import { ESLintUtils } from '@typescript-eslint/utils';
+
+/**
+ * Creates an ESLint rule with a pre-configured URL pointing to the rule's documentation.
+ */
+export const createRule = ESLintUtils.RuleCreator(
+  name =>
+    `https://github.com/microsoft/fluentui/blob/master/packages/react-components/eslint-plugin-react-components/README.md#${name}`,
+);

packages/react-components/eslint-plugin-react-components/tsconfig.spec.json

@@ -1,7 +1,8 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "module": "CommonJS",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "dist",
     "types": ["jest", "node"]
   },