feat(linter): add create-nodes plugin (#20264)

e2e/eslint/src/linter.test.ts

@@ -764,6 +764,45 @@ describe('Linter', () => {
       expect(e2eEslint.overrides[0].extends).toBeUndefined();
     });
   });
+
+  describe('Project Config v3', () => {
+    let myapp;
+
+    beforeEach(() => {
+      myapp = uniq('myapp');
+      newProject({
+        name: uniq('eslint'),
+        unsetProjectNameAndRootFormat: false,
+      });
+    });
+
+    it('should lint example app', () => {
+      runCLI(
+        `generate @nx/react:app ${myapp}  --directory apps/${myapp} --unitTestRunner=none --bundler=vite --e2eTestRunner=cypress --style=css --no-interactive --projectNameAndRootFormat=as-provided`,
+        { env: { NX_PCV3: 'true' } }
+      );
+
+      let lintResults = runCLI(`lint ${myapp}`);
+      expect(lintResults).toContain(
+        `Successfully ran target lint for project ${myapp}`
+      );
+      lintResults = runCLI(`lint ${myapp}-e2e`);
+      expect(lintResults).toContain(
+        `Successfully ran target lint for project ${myapp}-e2e`
+      );
+
+      const { targets } = readJson(`apps/${myapp}/project.json`);
+      expect(targets.lint).not.toBeDefined();
+
+      const { plugins } = readJson('nx.json');
+      expect(plugins).toContainEqual({
+        plugin: '@nx/eslint/plugin',
+        options: {
+          targetName: 'lint',
+        },
+      });
+    });
+  });
 });
 
 /**

packages/devkit/src/utils/replace-project-configuration-with-plugin.ts

@@ -134,7 +134,7 @@ function removeConfigurationDefinedByPlugin<T>(
   for (const [optionName, optionValue] of Object.entries(
     targetFromProjectConfig.options ?? {}
   )) {
-    if (targetFromCreateNodes.options[optionName] === optionValue) {
+    if (equals(targetFromCreateNodes.options[optionName], optionValue)) {
       delete targetFromProjectConfig.options[optionName];
     }
   }
@@ -167,6 +167,16 @@ function removeConfigurationDefinedByPlugin<T>(
   }
 }
 
+function equals<T extends unknown>(a: T, b: T) {
+  if (Array.isArray(a) && Array.isArray(b)) {
+    return a.length === b.length && a.every((v, i) => v === b[i]);
+  }
+  if (typeof a === 'object' && typeof b === 'object') {
+    return hashObject(a) === hashObject(b);
+  }
+  return a === b;
+}
+
 function shouldRemoveArrayProperty(
   arrayValuesFromProjectConfiguration: (object | string)[],
   arrayValuesFromCreateNodes: (object | string)[]

packages/eslint/package.json

@@ -27,16 +27,16 @@
     "requirements": {},
     "migrations": "./migrations.json"
   },
-  "executors": "./executors.json",
   "generators": "./generators.json",
+  "executors": "./executors.json",
   "peerDependencies": {
     "eslint": "^8.0.0",
     "js-yaml": "4.1.0"
   },
   "dependencies": {
-    "tslib": "^2.3.0",
     "@nx/devkit": "file:../devkit",
     "@nx/js": "file:../js",
+    "tslib": "^2.3.0",
     "typescript": "~5.2.2"
   },
   "peerDependenciesMeta": {

packages/eslint/plugin.ts

@@ -0,0 +1 @@
+export { createNodes, EslintPluginOptions } from './src/plugins/plugin';

packages/eslint/src/generators/init/__snapshots__/init.spec.ts.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`@nx/eslint:init --linter eslint should generate the global eslint config 1`] = `
+exports[`@nx/eslint:init should generate the global eslint config 1`] = `
 "{
   "root": true,
   "ignorePatterns": [

packages/eslint/src/generators/init/init.spec.ts

@@ -1,5 +1,5 @@
 import { Linter } from '../utils/linter';
-import { readJson, Tree } from '@nx/devkit';
+import { NxJsonConfiguration, readJson, Tree, updateJson } from '@nx/devkit';
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
 import { lintInitGenerator } from './init';
 
@@ -10,45 +10,91 @@ describe('@nx/eslint:init', () => {
     tree = createTreeWithEmptyWorkspace({ layout: 'apps-libs' });
   });
 
-  describe('--linter', () => {
-    describe('eslint', () => {
-      it('should generate the global eslint config', async () => {
-        await lintInitGenerator(tree, {
-          linter: Linter.EsLint,
-        });
+  it('should generate the global eslint config', async () => {
+    await lintInitGenerator(tree, {
+      linter: Linter.EsLint,
+    });
 
-        expect(tree.read('.eslintrc.json', 'utf-8')).toMatchSnapshot();
-        expect(tree.read('.eslintignore', 'utf-8')).toMatchInlineSnapshot(`
+    expect(tree.read('.eslintrc.json', 'utf-8')).toMatchSnapshot();
+    expect(tree.read('.eslintignore', 'utf-8')).toMatchInlineSnapshot(`
           "node_modules
           "
         `);
-      });
+  });
 
-      it('should add the root eslint config to the lint targetDefaults for lint', async () => {
-        await lintInitGenerator(tree, {
-          linter: Linter.EsLint,
-        });
+  it('should add the root eslint config to the lint targetDefaults for lint', async () => {
+    await lintInitGenerator(tree, {
+      linter: Linter.EsLint,
+    });
 
-        expect(readJson(tree, 'nx.json').targetDefaults.lint).toEqual({
-          cache: true,
-          inputs: [
-            'default',
-            '{workspaceRoot}/.eslintrc.json',
-            '{workspaceRoot}/.eslintignore',
-            '{workspaceRoot}/eslint.config.js',
-          ],
-        });
-      });
-
-      it('should not generate the global eslint config if it already exist', async () => {
-        tree.write('.eslintrc.js', '{}');
-
-        await lintInitGenerator(tree, {
-          linter: Linter.EsLint,
-        });
-
-        expect(tree.exists('.eslintrc.json')).toBe(false);
-      });
+    expect(readJson(tree, 'nx.json').targetDefaults.lint).toEqual({
+      cache: true,
+      inputs: [
+        'default',
+        '{workspaceRoot}/.eslintrc.json',
+        '{workspaceRoot}/.eslintignore',
+        '{workspaceRoot}/eslint.config.js',
+      ],
     });
   });
+
+  it('should not generate the global eslint config if it already exist', async () => {
+    tree.write('.eslintrc.js', '{}');
+
+    await lintInitGenerator(tree, {
+      linter: Linter.EsLint,
+    });
+
+    expect(tree.exists('.eslintrc.json')).toBe(false);
+  });
+
+  it('should setup lint target defaults', async () => {
+    updateJson<NxJsonConfiguration>(tree, 'nx.json', (json) => {
+      json.namedInputs ??= {};
+      json.namedInputs.production = ['default'];
+      return json;
+    });
+
+    await lintInitGenerator(tree, {});
+
+    expect(
+      readJson<NxJsonConfiguration>(tree, 'nx.json').targetDefaults.lint
+    ).toEqual({
+      cache: true,
+      inputs: [
+        'default',
+        '{workspaceRoot}/.eslintrc.json',
+        '{workspaceRoot}/.eslintignore',
+        '{workspaceRoot}/eslint.config.js',
+      ],
+    });
+  });
+
+  it('should setup @nx/eslint/plugin', async () => {
+    process.env.NX_PCV3 = 'true';
+    updateJson<NxJsonConfiguration>(tree, 'nx.json', (json) => {
+      json.namedInputs ??= {};
+      json.namedInputs.production = ['default'];
+      return json;
+    });
+
+    await lintInitGenerator(tree, {});
+
+    expect(
+      readJson<NxJsonConfiguration>(tree, 'nx.json').targetDefaults.lint
+    ).toEqual({
+      cache: true,
+    });
+    expect(readJson<NxJsonConfiguration>(tree, 'nx.json').plugins)
+      .toMatchInlineSnapshot(`
+      [
+        {
+          "options": {
+            "targetName": "lint",
+          },
+          "plugin": "@nx/eslint/plugin",
+        },
+      ]
+    `);
+  });
 });

packages/eslint/src/generators/init/init.ts

@@ -17,6 +17,7 @@ import {
 import { Linter } from '../utils/linter';
 import { findEslintFile } from '../utils/eslint-file';
 import { getGlobalEsLintConfiguration } from './global-eslint-config';
+import { EslintPluginOptions } from '../../plugins/plugin';
 
 export interface LinterInitOptions {
   linter?: Linter;
@@ -25,21 +26,25 @@ export interface LinterInitOptions {
   rootProject?: boolean;
 }
 
-function addTargetDefaults(tree: Tree) {
+function updateProductionFileset(tree: Tree) {
   const nxJson = readNxJson(tree);
 
   const productionFileSet = nxJson.namedInputs?.production;
   if (productionFileSet) {
-    // Remove .eslintrc.json
     productionFileSet.push('!{projectRoot}/.eslintrc.json');
     productionFileSet.push('!{projectRoot}/eslint.config.js');
     // Dedupe and set
     nxJson.namedInputs.production = Array.from(new Set(productionFileSet));
   }
+  updateNxJson(tree, nxJson);
+}
+
+function addTargetDefaults(tree: Tree) {
+  const nxJson = readNxJson(tree);
 
   nxJson.targetDefaults ??= {};
-
   nxJson.targetDefaults.lint ??= {};
+  nxJson.targetDefaults.lint.cache ??= true;
   nxJson.targetDefaults.lint.inputs ??= [
     'default',
     `{workspaceRoot}/.eslintrc.json`,
@@ -49,6 +54,42 @@ function addTargetDefaults(tree: Tree) {
   updateNxJson(tree, nxJson);
 }
 
+function addPlugin(tree: Tree) {
+  const nxJson = readNxJson(tree);
+  nxJson.plugins ??= [];
+
+  for (const plugin of nxJson.plugins) {
+    if (
+      typeof plugin === 'string'
+        ? plugin === '@nx/eslint/plugin'
+        : plugin.plugin === '@nx/eslint/plugin'
+    ) {
+      return;
+    }
+  }
+
+  nxJson.plugins.push({
+    plugin: '@nx/eslint/plugin',
+    options: {
+      targetName: 'lint',
+    } as EslintPluginOptions,
+  });
+  updateNxJson(tree, nxJson);
+}
+
+function updateVSCodeExtensions(tree: Tree) {
+  if (tree.exists('.vscode/extensions.json')) {
+    updateJson(tree, '.vscode/extensions.json', (json) => {
+      json.recommendations ||= [];
+      const extension = 'dbaeumer.vscode-eslint';
+      if (!json.recommendations.includes(extension)) {
+        json.recommendations.push(extension);
+      }
+      return json;
+    });
+  }
+}
+
 /**
  * Initializes ESLint configuration in a workspace and adds necessary dependencies.
  */
@@ -67,19 +108,18 @@ function initEsLint(tree: Tree, options: LinterInitOptions): GeneratorCallback {
     getGlobalEsLintConfiguration(options.unitTestRunner, options.rootProject)
   );
   tree.write('.eslintignore', 'node_modules\n');
-  addTargetDefaults(tree);
 
-  if (tree.exists('.vscode/extensions.json')) {
-    updateJson(tree, '.vscode/extensions.json', (json) => {
-      json.recommendations ||= [];
-      const extension = 'dbaeumer.vscode-eslint';
-      if (!json.recommendations.includes(extension)) {
-        json.recommendations.push(extension);
-      }
-      return json;
-    });
+  updateProductionFileset(tree);
+
+  const addPlugins = process.env.NX_PCV3 === 'true';
+  if (addPlugins) {
+    addPlugin(tree);
+  } else {
+    addTargetDefaults(tree);
   }
 
+  updateVSCodeExtensions(tree);
+
   return !options.skipPackageJson
     ? addDependenciesToPackageJson(
         tree,

packages/eslint/src/generators/lint-project/lint-project.ts

@@ -14,11 +14,7 @@ import {
 } from '@nx/devkit';
 
 import { Linter as LinterEnum } from '../utils/linter';
-import {
-  baseEsLintConfigFile,
-  baseEsLintFlatConfigFile,
-  findEslintFile,
-} from '../utils/eslint-file';
+import { findEslintFile } from '../utils/eslint-file';
 import { join } from 'path';
 import { lintInitGenerator } from '../init/init';
 import type { Linter } from 'eslint';
@@ -34,6 +30,10 @@ import {
   generateSpreadElement,
   stringifyNodeList,
 } from '../utils/flat-config/ast-utils';
+import {
+  baseEsLintConfigFile,
+  baseEsLintFlatConfigFile,
+} from '../../utils/config-file';
 
 interface LintProjectOptions {
   project: string;
@@ -59,27 +59,46 @@ export async function lintProjectGenerator(
   });
   const projectConfig = readProjectConfiguration(tree, options.project);
 
-  projectConfig.targets['lint'] = {
-    executor: '@nx/eslint:lint',
-    outputs: ['{options.outputFile}'],
-  };
-
   let lintFilePatterns = options.eslintFilePatterns;
   if (!lintFilePatterns && options.rootProject && projectConfig.root === '.') {
     lintFilePatterns = ['./src'];
   }
-  if (lintFilePatterns && lintFilePatterns.length) {
-    if (
-      isBuildableLibraryProject(projectConfig) &&
-      !lintFilePatterns.includes('{projectRoot}')
-    ) {
-      lintFilePatterns.push(`{projectRoot}/package.json`);
-    }
+  if (
+    lintFilePatterns &&
+    lintFilePatterns.length &&
+    !lintFilePatterns.includes('{projectRoot}') &&
+    isBuildableLibraryProject(projectConfig)
+  ) {
+    lintFilePatterns.push(`{projectRoot}/package.json`);
+  }
 
-    // only add lintFilePatterns if they are explicitly defined
-    projectConfig.targets['lint'].options = {
-      lintFilePatterns,
+  const usePlugin = process.env.NX_PCV3 === 'true';
+  if (usePlugin) {
+    if (
+      lintFilePatterns &&
+      lintFilePatterns.length &&
+      lintFilePatterns.some(
+        (p) => !['./src', '{projectRoot}', projectConfig.root].includes(p)
+      )
+    ) {
+      projectConfig.targets['lint'] = {
+        command: `eslint ${lintFilePatterns
+          .join(' ')
+          .replace('{projectRoot}', projectConfig.root)}`,
+      };
+    }
+  } else {
+    projectConfig.targets['lint'] = {
+      executor: '@nx/eslint:lint',
+      outputs: ['{options.outputFile}'],
     };
+
+    if (lintFilePatterns && lintFilePatterns.length) {
+      // only add lintFilePatterns if they are explicitly defined
+      projectConfig.targets['lint'].options = {
+        lintFilePatterns,
+      };
+    }
   }
 
   // we are adding new project which is not the root project or

packages/eslint/src/generators/utils/eslint-file.spec.ts

@@ -1,13 +1,15 @@
 import {
   addExtendsToLintConfig,
-  baseEsLintConfigFile,
-  eslintConfigFileWhitelist,
   findEslintFile,
   lintConfigHasOverride,
 } from './eslint-file';
 
 import { Tree, readJson } from '@nx/devkit';
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
+import {
+  ESLINT_CONFIG_FILENAMES,
+  baseEsLintConfigFile,
+} from '../../utils/config-file';
 
 describe('@nx/eslint:lint-file', () => {
   let tree: Tree;
@@ -21,7 +23,7 @@ describe('@nx/eslint:lint-file', () => {
       expect(findEslintFile(tree)).toBe(null);
     });
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should return %p when calling findEslintFile',
       (eslintFileName) => {
         tree.write(eslintFileName, '{}');
@@ -29,7 +31,7 @@ describe('@nx/eslint:lint-file', () => {
       }
     );
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should return base file instead %p when calling findEslintFile',
       (eslintFileName) => {
         tree.write(baseEsLintConfigFile, '{}');

packages/eslint/src/generators/utils/eslint-file.ts

@@ -22,28 +22,24 @@ import {
 } from './flat-config/ast-utils';
 import ts = require('typescript');
 import { mapFilePath } from './flat-config/path-utils';
+import {
+  baseEsLintConfigFile,
+  baseEsLintFlatConfigFile,
+  ESLINT_CONFIG_FILENAMES,
+} from '../../utils/config-file';
 
-export const eslintConfigFileWhitelist = [
-  '.eslintrc',
-  '.eslintrc.js',
-  '.eslintrc.cjs',
-  '.eslintrc.yaml',
-  '.eslintrc.yml',
-  '.eslintrc.json',
-  'eslint.config.js',
-];
-
-export const baseEsLintConfigFile = '.eslintrc.base.json';
-export const baseEsLintFlatConfigFile = 'eslint.base.config.js';
-
-export function findEslintFile(tree: Tree, projectRoot = ''): string | null {
-  if (projectRoot === '' && tree.exists(baseEsLintConfigFile)) {
+export function findEslintFile(
+  tree: Tree,
+  projectRoot?: string
+): string | null {
+  if (projectRoot === undefined && tree.exists(baseEsLintConfigFile)) {
     return baseEsLintConfigFile;
   }
-  if (projectRoot === '' && tree.exists(baseEsLintFlatConfigFile)) {
+  if (projectRoot === undefined && tree.exists(baseEsLintFlatConfigFile)) {
     return baseEsLintFlatConfigFile;
   }
-  for (const file of eslintConfigFileWhitelist) {
+  projectRoot ??= '';
+  for (const file of ESLINT_CONFIG_FILENAMES) {
     if (tree.exists(joinPathFragments(projectRoot, file))) {
       return file;
     }
@@ -148,7 +144,7 @@ function offsetFilePath(
   tree: Tree
 ): string {
   if (
-    eslintConfigFileWhitelist.some((eslintFile) =>
+    ESLINT_CONFIG_FILENAMES.some((eslintFile) =>
       pathToFile.includes(eslintFile)
     )
   ) {

packages/eslint/src/migrations/update-15-0-0/add-eslint-inputs.spec.ts

@@ -6,7 +6,7 @@ import {
   updateNxJson,
 } from '@nx/devkit';
 import addEslintInputs from './add-eslint-inputs';
-import { eslintConfigFileWhitelist } from '../../generators/utils/eslint-file';
+import { ESLINT_CONFIG_FILENAMES } from '../../utils/config-file';
 
 describe('15.0.0 migration (add-eslint-inputs)', () => {
   let tree: Tree;
@@ -41,7 +41,7 @@ describe('15.0.0 migration (add-eslint-inputs)', () => {
       });
     });
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should ignore %p for production',
       async (eslintConfigFilename) => {
         tree.write(eslintConfigFilename, '{}');
@@ -57,7 +57,7 @@ describe('15.0.0 migration (add-eslint-inputs)', () => {
       }
     );
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should add %p to all lint targets',
       async (eslintConfigFilename) => {
         tree.write(eslintConfigFilename, '{}');
@@ -95,7 +95,7 @@ describe('15.0.0 migration (add-eslint-inputs)', () => {
       });
     });
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should not add `!{projectRoot}/%s` if `workspaceConfiguration.namedInputs` is undefined',
       async (eslintConfigFilename) => {
         tree.write(eslintConfigFilename, '{}');
@@ -108,7 +108,7 @@ describe('15.0.0 migration (add-eslint-inputs)', () => {
       }
     );
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should not add `!{projectRoot}/%s` if `workspaceConfiguration.namedInputs.production` is undefined',
       async (eslintConfigFilename) => {
         updateNxJson(tree, {
@@ -148,7 +148,7 @@ describe('15.0.0 migration (add-eslint-inputs)', () => {
       });
     });
 
-    test.each(eslintConfigFileWhitelist)(
+    test.each(ESLINT_CONFIG_FILENAMES)(
       'should not override `targetDefaults.lint.inputs` with `%s` as there was a default target set in the workspace config',
       async (eslintConfigFilename) => {
         updateNxJson(tree, {

packages/eslint/src/migrations/update-15-0-0/add-eslint-inputs.ts

@@ -5,13 +5,13 @@ import {
   Tree,
   updateNxJson,
 } from '@nx/devkit';
-import { eslintConfigFileWhitelist } from '../../generators/utils/eslint-file';
 import { getEslintTargets } from '../../generators/utils/eslint-targets';
+import { ESLINT_CONFIG_FILENAMES } from '../../utils/config-file';
 
 export default async function addEslintInputs(tree: Tree) {
   const nxJson = readNxJson(tree);
 
-  const globalEslintFile = eslintConfigFileWhitelist.find((file) =>
+  const globalEslintFile = ESLINT_CONFIG_FILENAMES.find((file) =>
     tree.exists(file)
   );
 

packages/eslint/src/migrations/update-15-7-1/add-eslint-ignore.ts

@@ -5,13 +5,13 @@ import {
   Tree,
   updateNxJson,
 } from '@nx/devkit';
-import { eslintConfigFileWhitelist } from '../../generators/utils/eslint-file';
 import { getEslintTargets } from '../../generators/utils/eslint-targets';
+import { ESLINT_CONFIG_FILENAMES } from '../../utils/config-file';
 
 export default async function addEslintIgnore(tree: Tree) {
   const nxJson = readJson(tree, 'nx.json');
 
-  const globalEslintFile = eslintConfigFileWhitelist.find((file) =>
+  const globalEslintFile = ESLINT_CONFIG_FILENAMES.find((file) =>
     tree.exists(file)
   );
 

packages/eslint/src/plugins/plugin.spec.ts

@@ -0,0 +1,147 @@
+import { CreateNodesContext } from '@nx/devkit';
+import { createNodes } from './plugin';
+import { vol } from 'memfs';
+
+jest.mock('fs', () => {
+  const memFs = require('memfs').fs;
+  return {
+    ...memFs,
+    existsSync: (p) => (p.endsWith('.node') ? true : memFs.existsSync(p)),
+  };
+});
+
+describe('@nx/eslint/plugin', () => {
+  let createNodesFunction = createNodes[1];
+  let context: CreateNodesContext;
+
+  beforeEach(async () => {
+    context = {
+      nxJsonConfiguration: {
+        namedInputs: {
+          default: ['{projectRoot}/**/*'],
+          production: ['!{projectRoot}/**/*.spec.ts'],
+        },
+      },
+      workspaceRoot: '',
+    };
+  });
+
+  afterEach(() => {
+    vol.reset();
+    jest.resetModules();
+  });
+
+  it('should create nodes with default configuration for nested project', () => {
+    const fileSys = {
+      'apps/my-app/.eslintrc.json': `{}`,
+      'apps/my-app/project.json': `{}`,
+      '.eslintrc.json': `{}`,
+      'package.json': `{}`,
+    };
+    vol.fromJSON(fileSys, '');
+    const nodes = createNodesFunction(
+      'apps/my-app/project.json',
+      {
+        targetName: 'lint',
+      },
+      context
+    );
+
+    expect(nodes).toMatchInlineSnapshot(`
+      {
+        "projects": {
+          "apps/my-app": {
+            "targets": {
+              "lint": {
+                "cache": true,
+                "command": "eslint .",
+                "inputs": [
+                  "default",
+                  "{workspaceRoot}/.eslintrc.json",
+                  "{workspaceRoot}/apps/my-app/.eslintrc.json",
+                  "{workspaceRoot}/tools/eslint-rules/**/*",
+                  {
+                    "externalDependencies": [
+                      "eslint",
+                    ],
+                  },
+                ],
+                "options": {
+                  "cwd": "apps/my-app",
+                },
+              },
+            },
+          },
+        },
+      }
+    `);
+  });
+
+  it('should create nodes with default configuration for standalone project', () => {
+    const fileSys = {
+      'apps/my-app/eslint.config.js': `module.exports = []`,
+      'apps/my-app/project.json': `{}`,
+      'eslint.config.js': `module.exports = []`,
+      'src/index.ts': `console.log('hello world')`,
+      'package.json': `{}`,
+    };
+    vol.fromJSON(fileSys, '');
+    const nodes = createNodesFunction(
+      'package.json',
+      {
+        targetName: 'lint',
+      },
+      context
+    );
+
+    expect(nodes).toMatchInlineSnapshot(`
+      {
+        "projects": {
+          ".": {
+            "targets": {
+              "lint": {
+                "cache": true,
+                "command": "eslint ./src",
+                "inputs": [
+                  "default",
+                  "{workspaceRoot}/eslint.config.js",
+                  "{workspaceRoot}/tools/eslint-rules/**/*",
+                  {
+                    "externalDependencies": [
+                      "eslint",
+                    ],
+                  },
+                ],
+                "options": {
+                  "cwd": ".",
+                  "env": {
+                    "ESLINT_USE_FLAT_CONFIG": "true",
+                  },
+                },
+              },
+            },
+          },
+        },
+      }
+    `);
+  });
+
+  it('should not create nodes if no src folder for root', () => {
+    const fileSys = {
+      'apps/my-app/eslint.config.js': `module.exports = []`,
+      'apps/my-app/project.json': `{}`,
+      'eslint.config.js': `module.exports = []`,
+      'package.json': `{}`,
+    };
+    vol.fromJSON(fileSys, '');
+    const nodes = createNodesFunction(
+      'package.json',
+      {
+        targetName: 'lint',
+      },
+      context
+    );
+
+    expect(nodes).toMatchInlineSnapshot(`{}`);
+  });
+});

packages/eslint/src/plugins/plugin.ts

@@ -0,0 +1,149 @@
+import {
+  CreateNodes,
+  CreateNodesContext,
+  TargetConfiguration,
+} from '@nx/devkit';
+import { dirname, join } from 'path';
+import { readTargetDefaultsForTarget } from 'nx/src/project-graph/utils/project-configuration-utils';
+import { readdirSync } from 'fs';
+import { combineGlobPatterns } from 'nx/src/utils/globs';
+import {
+  ESLINT_CONFIG_FILENAMES,
+  findBaseEslintFile,
+  isFlatConfig,
+} from '../utils/config-file';
+
+export interface EslintPluginOptions {
+  targetName?: string;
+}
+
+export const createNodes: CreateNodes<EslintPluginOptions> = [
+  combineGlobPatterns(['**/project.json', '**/package.json']),
+  (configFilePath, options, context) => {
+    const projectRoot = dirname(configFilePath);
+
+    options = normalizeOptions(options);
+
+    const eslintConfigs = getEslintConfigsForProject(
+      projectRoot,
+      context.workspaceRoot
+    );
+    if (!eslintConfigs.length) {
+      return {};
+    }
+
+    return {
+      projects: {
+        [projectRoot]: {
+          targets: buildEslintTargets(
+            eslintConfigs,
+            projectRoot,
+            options,
+            context
+          ),
+        },
+      },
+    };
+  },
+];
+
+function getEslintConfigsForProject(
+  projectRoot: string,
+  workspaceRoot: string
+): string[] {
+  const detectedConfigs = new Set<string>();
+  const baseConfig = findBaseEslintFile(workspaceRoot);
+  if (baseConfig) {
+    detectedConfigs.add(baseConfig);
+  }
+
+  let siblingFiles = readdirSync(join(workspaceRoot, projectRoot));
+
+  if (projectRoot === '.') {
+    // If there's no src folder, it's not a standalone project
+    if (!siblingFiles.includes('src')) {
+      return [];
+    }
+    // If it's standalone but doesn't have eslint config, it's not a lintable
+    const config = siblingFiles.find((f) =>
+      ESLINT_CONFIG_FILENAMES.includes(f)
+    );
+    if (!config) {
+      return [];
+    }
+    detectedConfigs.add(config);
+    return Array.from(detectedConfigs);
+  }
+  while (projectRoot !== '.') {
+    // if it has an eslint config it's lintable
+    const config = siblingFiles.find((f) =>
+      ESLINT_CONFIG_FILENAMES.includes(f)
+    );
+    if (config) {
+      detectedConfigs.add(`${projectRoot}/${config}`);
+      return Array.from(detectedConfigs);
+    }
+    projectRoot = dirname(projectRoot);
+    siblingFiles = readdirSync(join(workspaceRoot, projectRoot));
+  }
+  // check whether the root has an eslint config
+  const config = readdirSync(workspaceRoot).find((f) =>
+    ESLINT_CONFIG_FILENAMES.includes(f)
+  );
+  if (config) {
+    detectedConfigs.add(config);
+    return Array.from(detectedConfigs);
+  }
+  return [];
+}
+
+function buildEslintTargets(
+  eslintConfigs: string[],
+  projectRoot: string,
+  options: EslintPluginOptions,
+  context: CreateNodesContext
+) {
+  const targetDefaults = readTargetDefaultsForTarget(
+    options.targetName,
+    context.nxJsonConfiguration.targetDefaults,
+    '@nx/eslint:lint'
+  );
+
+  const isRootProject = projectRoot === '.';
+
+  const targets: Record<string, TargetConfiguration> = {};
+
+  const baseTargetConfig: TargetConfiguration = {
+    command: `eslint ${isRootProject ? './src' : '.'}`,
+    options: {
+      cwd: projectRoot,
+    },
+  };
+  if (eslintConfigs.some((config) => isFlatConfig(config))) {
+    baseTargetConfig.options.env = {
+      ESLINT_USE_FLAT_CONFIG: 'true',
+    };
+  }
+
+  targets[options.targetName] = {
+    ...baseTargetConfig,
+    cache: targetDefaults?.cache ?? true,
+    inputs: targetDefaults?.inputs ?? [
+      'default',
+      ...eslintConfigs.map((config) => `{workspaceRoot}/${config}`),
+      '{workspaceRoot}/tools/eslint-rules/**/*',
+      { externalDependencies: ['eslint'] },
+    ],
+    options: {
+      ...baseTargetConfig.options,
+    },
+  };
+
+  return targets;
+}
+
+function normalizeOptions(options: EslintPluginOptions): EslintPluginOptions {
+  options ??= {};
+  options.targetName ??= 'lint';
+  return options;
+}

packages/eslint/src/utils/config-file.ts

@@ -0,0 +1,35 @@
+import { joinPathFragments } from '@nx/devkit';
+import { existsSync } from 'fs';
+
+export const ESLINT_CONFIG_FILENAMES = [
+  '.eslintrc',
+  '.eslintrc.js',
+  '.eslintrc.cjs',
+  '.eslintrc.yaml',
+  '.eslintrc.yml',
+  '.eslintrc.json',
+  'eslint.config.js',
+];
+
+export const baseEsLintConfigFile = '.eslintrc.base.json';
+export const baseEsLintFlatConfigFile = 'eslint.base.config.js';
+
+export function findBaseEslintFile(workspaceRoot = ''): string | null {
+  if (existsSync(joinPathFragments(workspaceRoot, baseEsLintConfigFile))) {
+    return baseEsLintConfigFile;
+  }
+  if (existsSync(joinPathFragments(workspaceRoot, baseEsLintFlatConfigFile))) {
+    return baseEsLintFlatConfigFile;
+  }
+  for (const file of ESLINT_CONFIG_FILENAMES) {
+    if (existsSync(joinPathFragments(workspaceRoot, file))) {
+      return file;
+    }
+  }
+
+  return null;
+}
+
+export function isFlatConfig(configFilePath: string): boolean {
+  return configFilePath.endsWith('.config.js');
+}