Update ESLint to v9

.blueprint/generate-generator/generator.mjs

@@ -1,5 +1,5 @@
-import BaseGenerator from '../../generators/base/index.js';
 import { camelCase, upperFirst } from 'lodash-es';
+import BaseGenerator from '../../generators/base/index.js';
 
 export default class extends BaseGenerator {
   generatorNamespace;

.blueprint/generate-sample/generator.mjs

@@ -2,9 +2,9 @@ import { basename, extname, resolve } from 'path';
 import { transform } from '@yeoman/transform';
 import BaseGenerator from '../../generators/base/index.js';
 import { packageJson } from '../../lib/index.js';
-import { generateSample, entitiesByType } from './support/index.js';
 import { promptSamplesFolder } from '../support.mjs';
 import { GENERATOR_APP, GENERATOR_INFO, GENERATOR_JDL } from '../../generators/generator-list.js';
+import { generateSample, entitiesByType } from './support/index.js';
 
 export default class extends BaseGenerator {
   sampleName;

.blueprint/generate-sample/support/copy-jdl-entity-samples.js

@@ -5,7 +5,7 @@ import { jdlEntitiesSamplesFolder } from '../../constants.js';
 const isDirectory = dir => {
   try {
     return statSync(dir).isDirectory();
-  } catch (error) {
+  } catch {
     return false;
   }
 };

.blueprint/generate-sample/support/generate-sample.js

@@ -1,13 +1,13 @@
 import { cpSync, existsSync, mkdirSync } from 'fs';
-import { join, resolve } from 'path';
+import { join } from 'path';
 import process from 'process';
 import { globSync } from 'glob';
 import { execa } from 'execa';
 
+import { dailyBuildsFolder, jdlEntitiesSamplesFolder, jdlSamplesFolder, jhipsterBin, samplesFolder } from '../../constants.js';
 import getSamples, { DAILY_PREFIX, isDaily } from './get-workflow-samples.js';
 import copyEntitySamples from './copy-entity-samples.js';
 import copyJdlEntitySamples from './copy-jdl-entity-samples.js';
-import { dailyBuildsFolder, jdlEntitiesSamplesFolder, jdlSamplesFolder, jhipsterBin, samplesFolder } from '../../constants.js';
 
 const commonCliOptions = ['--skip-jhipster-dependencies', '--skip-checks', '--skip-install', '--no-insight'];
 
@@ -34,6 +34,7 @@ export const generateSample = async (
   process.chdir(destProjectFolder);
 
   if (!sample) {
+    // eslint-disable-next-line no-console
     console.log(`Sample ${sampleName} was not found`);
   }
 

.blueprint/update-vscode/generator.mjs

@@ -22,6 +22,7 @@ export default class extends BaseGenerator {
               request: 'launch',
               internalConsoleOptions: 'neverOpen',
               name: 'update vscode launch.json',
+              // eslint-disable-next-line no-template-curly-in-string
               program: '${workspaceFolder}/test-integration/scripts/99-update-vscode.js',
               console: 'integratedTerminal',
             },
@@ -41,6 +42,7 @@ export default class extends BaseGenerator {
             request: 'launch',
             internalConsoleOptions: 'neverOpen',
             name: `generate sample from ${workflowName} workflow`,
+            // eslint-disable-next-line no-template-curly-in-string
             program: '${workspaceFolder}/bin/jhipster.cjs',
             args: ['generate-sample', `\${input:${workflowName}Sample}`, '--global'],
             console: 'integratedTerminal',

.github/dependabot.yml

@@ -36,9 +36,10 @@ updates:
       - dependency-name: '@types/node'
         versions: ['>=19']
     groups:
-      typescript-eslint:
+      eslint:
         patterns:
-          - '@typescript-eslint/*'
+          - '@eslint/*'
+          - 'eslint'
 
   - package-ecosystem: 'npm'
     directory: '/generators/generate-blueprint/resources/'

.mocharc.cjs

@@ -2,6 +2,7 @@ const Module = require('module');
 const process = require('process');
 
 if (!Module.register) {
+  // eslint-disable-next-line no-console
   console.log('JHipster test requires node >=18.19.0 || >= 20.6.0\n');
   process.exit(1);
 }

bin/jhipster.cjs

@@ -9,7 +9,6 @@ const [_nodeExec, _exec, ...args] = process.argv;
 console.error('jhipster', ...args);
 
 (async () => {
-  // eslint-disable-next-line import/no-unresolved
   const { default: esbuildx } = await import('@node-loaders/esbuildx');
   await esbuildx(join(__dirname, 'cli.cjs'));
 })();

cli/environment-builder.mjs

@@ -404,8 +404,6 @@ export default class EnvironmentBuilder {
     }
     let result;
     for (const [blueprint, packagePath] of blueprintPackagePaths) {
-      /* eslint-disable import/no-dynamic-require */
-      /* eslint-disable global-require */
       let blueprintCommand;
       const blueprintCommandFile = `${packagePath}/cli/commands`;
       const blueprintCommandExtension = ['.js', '.cjs', '.mjs'].find(extension => existsSync(`${blueprintCommandFile}${extension}`));
@@ -418,7 +416,7 @@ export default class EnvironmentBuilder {
             commandSpec.blueprint = commandSpec.blueprint || blueprint;
           });
           result = { ...result, ...blueprintCommands };
-        } catch (e) {
+        } catch {
           const msg = `Error parsing custom commands found within blueprint: ${blueprint} at ${blueprintCommandsUrl}`;
           /* eslint-disable no-console */
           console.info(`${chalk.green.bold('INFO!')} ${msg}`);
@@ -456,8 +454,6 @@ export default class EnvironmentBuilder {
     }
 
     async function loadSharedOptionsFromFile(sharedOptionsBase, msg, errorMsg) {
-      /* eslint-disable import/no-dynamic-require */
-      /* eslint-disable global-require */
       try {
         const baseExtension = ['.js', '.cjs', '.mjs'].find(extension => existsSync(resolve(`${sharedOptionsBase}${extension}`)));
         if (baseExtension) {

cli/program.mjs

@@ -1,5 +1,3 @@
-/* eslint-disable global-require */
-/* eslint-disable import/no-dynamic-require */
 /**
  * Copyright 2013-2024 the original author or authors from the JHipster project.
  *
@@ -334,15 +332,14 @@ export const buildJHipster = async ({
   printBlueprintLogo,
   devBlueprintPath,
   env,
-  /* eslint-disable-next-line global-require, import/no-dynamic-require */
+
   loadCommand = async key => {
     const { default: command } = await import(`./${key}.mjs`);
     return command;
   },
   defaultCommand,
   entrypointGenerator,
 } = {}) => {
-  // eslint-disable-next-line chai-friendly/no-unused-expressions
   createEnvBuilder =
     createEnvBuilder ?? (async options => EnvironmentBuilder.create(options).prepare({ blueprints, lookups, devBlueprintPath }));
   envBuilder = envBuilder ?? (await createEnvBuilder());

cli/utils.mjs

@@ -16,7 +16,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* eslint-disable no-console */
+
 import chalk from 'chalk';
 
 import { createJHipsterLogger, CLI_LOGGER } from '../generators/base/support/index.js';

eslint.config.js

@@ -0,0 +1,115 @@
+import globals from 'globals';
+import js from '@eslint/js';
+import ts from 'typescript-eslint';
+import prettier from 'eslint-plugin-prettier/recommended';
+import chai from 'eslint-plugin-chai-friendly';
+import importRecommented from 'eslint-plugin-import/config/recommended.js';
+import jhipster from './lib/eslint/index.js';
+
+export default ts.config(
+  {
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+      globals: {
+        ...globals.node,
+      },
+    },
+  },
+  { ignores: ['dist'] },
+  js.configs.recommended,
+  jhipster.base,
+  {
+    files: ['**/*.ts'],
+    extends: [...ts.configs.recommended, ...ts.configs.stylistic],
+    languageOptions: {
+      parserOptions: {
+        project: ['./tsconfig.spec.json', './tsconfig.eslint.json'],
+      },
+    },
+    rules: {
+      '@typescript-eslint/consistent-type-definitions': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/prefer-for-of': 'off',
+      '@typescript-eslint/no-this-alias': 'off',
+    },
+  },
+  {
+    files: ['**/*.spec.{js,ts}'],
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-unused-expressions': 'off',
+    },
+  },
+  {
+    languageOptions: {
+      // import plugin does not use ecmaVersion and sourceType from languageOptions object
+      parserOptions: {
+        ecmaVersion: 2022,
+        sourceType: 'module',
+      },
+    },
+    settings: {
+      'import/parsers': {
+        espree: ['.js', '.cjs', '.mjs'],
+        '@typescript-eslint/parser': ['.ts'],
+      },
+      'import/resolver': {
+        node: true,
+        typescript: true,
+      },
+    },
+    rules: {
+      ...importRecommented.rules,
+      'import/no-named-as-default-member': 'off',
+      'import/named': 'off',
+      'import/extensions': [0, { pattern: { '{c,m,}{js,ts}': 'always' } }],
+      'import/prefer-default-export': 'off',
+      'import/namespace': 'off',
+    },
+  },
+  {
+    files: ['bin/**/*', '**/*.spec.ts', 'testing/**/*', 'test/**/*'],
+    rules: {
+      'import/no-unresolved': 'off',
+    },
+  },
+  {
+    rules: {
+      'eol-last': 'error',
+      quotes: ['error', 'single', { avoidEscape: true }],
+      semi: ['error', 'always'],
+      eqeqeq: ['error', 'smart'],
+      'no-use-before-define': ['error', 'nofunc'],
+      'no-multi-str': 'error',
+      'no-irregular-whitespace': 'error',
+      'no-console': 'error',
+      'no-template-curly-in-string': 'error',
+      'no-nested-ternary': 'error',
+      'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
+      'no-restricted-syntax': [
+        'error',
+        {
+          selector: 'ForInStatement',
+          message:
+            'for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array.',
+        },
+        {
+          selector: 'LabeledStatement',
+          message: 'Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand.',
+        },
+        {
+          selector: 'WithStatement',
+          message: '`with` is disallowed in strict mode because it makes code impossible to predict and optimize.',
+        },
+      ],
+    },
+  },
+  {
+    ...chai.configs.recommendedFlat,
+    files: ['jdl/**/*.spec.{js,ts}'],
+  },
+  prettier,
+);

generators/angular/cleanup.ts

@@ -25,7 +25,7 @@ import { GeneratorDefinition } from '../base-application/generator.js';
  * Removes files that where generated in previous JHipster versions and therefore
  * need to be removed.
  */
-// eslint-disable-next-line import/prefer-default-export
+
 export default function cleanupOldFilesTask(this: CoreGenerator, { application }: GeneratorDefinition['writingTaskParam']) {
   if (this.isJhipsterVersionLessThan('3.2.0')) {
     // removeFile and removeFolder methods should be called here for files and folders to cleanup