Update backend to eslint v9.x

app/.prettierignore

@@ -1,4 +1,22 @@
-# Logs
+# Dependencies
+/node_modules
+
+# Production
+/build
+
+# Generated files
+.docusaurus
+.cache-loader
+/pr-preview/**/.nojekyll
+
+# Misc
+.DS_Store
+*.local
+coverage
+dist
+dist-ssr
+
+# Log files
 logs
 *.log
 npm-debug.log*
@@ -7,23 +25,15 @@ yarn-error.log*
 pnpm-debug.log*
 lerna-debug.log*
 
-build
-node_modules
-.DS_Store
-dist
-dist-ssr
-coverage
-*.local
-
-/cypress/videos/
-/cypress/screenshots/
-
 # Editor directories and files
-.vscode/*
-!.vscode/extensions.json
 .idea
+*.iml
 *.suo
 *.ntvs*
 *.njsproj
 *.sln
 *.sw?
+*.mp4
+
+# Temp Office files
+~$*

app/app.ts

@@ -8,14 +8,13 @@ import helmet from 'helmet';
 import { join } from 'path';
 import querystring from 'querystring';
 
-import { version as appVersion } from './package.json';
-import { requestSanitizer } from './src/middleware/requestSanitizer';
-import router from './src/routes';
-import { Problem } from './src/utils';
-import { DEFAULTCORS } from './src/utils/constants/application';
-import { getLogger, httpLogger } from './src/utils/log';
-import { readIdpList } from './src/utils/utils';
-import { state } from './state';
+import { requestSanitizer } from './src/middleware/requestSanitizer.ts';
+import router from './src/routes/index.ts';
+import { Problem } from './src/utils/index.ts';
+import { DEFAULTCORS } from './src/utils/constants/application.ts';
+import { getLogger, httpLogger } from './src/utils/log.ts';
+import { readIdpList } from './src/utils/utils.ts';
+import { state } from './state.ts';
 
 import type { NextFunction, Request, Response } from 'express';
 
@@ -81,8 +80,7 @@ appRouter.get('/config', (_req: Request, res: Response, next: NextFunction): voi
       features: state.features,
       ...config.get('frontend'),
       gitRev: state.gitRev,
-      idpList: readIdpList(),
-      version: appVersion
+      idpList: readIdpList()
     });
   } catch (err) {
     next(err);

app/deploy-utils.ts

@@ -41,7 +41,8 @@ try {
         console.log(`${TITLE} is present and up to date`);
       }
   }
-} catch (err) {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+} catch (error) {
   console.log(`An error occured while managing ${TITLE}`);
   process.exit(1);
 }
@@ -51,8 +52,7 @@ try {
 //
 
 /**
- * @function buildComponents
- * @description Rebuild `nr-permitting-navigator-service-frontend` library
+ * Rebuild `nr-permitting-navigator-service-frontend` library
  */
 function buildComponents() {
   if (!existsSync(`${FRONTEND_DIR}/node_modules`)) {
@@ -65,8 +65,7 @@ function buildComponents() {
 }
 
 /**
- * @function cleanComponents
- * @description Clean `nr-permitting-navigator-service-frontend` library directory
+ * Clean `nr-permitting-navigator-service-frontend` library directory
  */
 function cleanComponents() {
   console.log(`Cleaning ${TITLE}...`);
@@ -83,8 +82,7 @@ function copyDocs() {
 }
 
 /**
- * @function deployComponents
- * @description Redeploy `nr-permitting-navigator-service-frontend` library
+ * Redeploy `nr-permitting-navigator-service-frontend` library
  */
 function deployComponents() {
   console.log(`Redeploying ${TITLE}...`);
@@ -98,14 +96,12 @@ function deployComponents() {
 //
 
 /**
- * @function runSync
- * @description Execute a single shell command where `cmd` is a string
- * @param {string} cmd Shell command to run
- * @param {string} [cwd] Working directory of the command to run
+ * Execute a single shell command where `cmd` is a string
+ * @param cmd Shell command to run
+ * @param cwd Working directory of the command to run
  */
 export function runSync(cmd: string, cwd: string | undefined) {
-  // eslint-disable-next-line @typescript-eslint/no-var-requires
-  const { spawnSync } = require('child_process');
+  const { spawnSync } = require('child_process'); // eslint-disable-line @typescript-eslint/no-require-imports
   const parts = cmd.split(/\s+/g);
   const opts = {
     cwd: cwd || undefined,
@@ -123,10 +119,9 @@ export function runSync(cmd: string, cwd: string | undefined) {
 }
 
 /**
- * @function copyFileSync
- * @description Copies `source` file to `target` file
- * @param {string} source Source file location
- * @param {string} target Target file location
+ * Copies `source` file to `target` file
+ * @param source Source file location
+ * @param  target Target file location
  */
 export function copyFileSync(source: string, target: string) {
   let targetFile = target;
@@ -142,10 +137,9 @@ export function copyFileSync(source: string, target: string) {
 }
 
 /**
- * @function copyDirRecursiveSync
- * @description Recursively copies `source` directory contents to `target` directory
- * @param {string} source Source directory location
- * @param {string} target Target directory location
+ * Recursively copies `source` directory contents to `target` directory
+ * @param source Source directory location
+ * @param  target Target directory location
  */
 export function copyDirRecursiveSync(source: string, target: string) {
   let files = [];

app/eslint.config.ts

@@ -0,0 +1,41 @@
+import eslint from '@eslint/js';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+import jsdoc from 'eslint-plugin-jsdoc';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  {
+    ignores: ['coverage/**', 'dist/**', 'jest.config.js', 'node_modules/**', 'sbin/**']
+  },
+  {
+    files: ['**/*.{js,ts}'],
+    extends: [
+      // Extensions are order dependent - always apply Prettier last
+      eslint.configs.recommended,
+      tseslint.configs.recommended,
+      tseslint.configs.stylistic,
+      jsdoc.configs['flat/recommended-typescript'],
+      eslintPluginPrettierRecommended,
+      eslintConfigPrettier // Drops conflicting rules
+    ],
+    languageOptions: {
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: __dirname //TODO when type:module => import.meta.dirname
+      }
+    },
+    rules: {
+      '@typescript-eslint/no-require-imports': 'error',
+      'eol-last': ['error', 'always'],
+      indent: ['error', 2, { SwitchCase: 1 }],
+      'linebreak-style': ['error', 'unix'],
+      'max-len': ['warn', { code: 120, comments: 120, ignoreUrls: true }],
+      'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'warn',
+      'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'warn',
+      quotes: ['error', 'single'],
+      'jsdoc/require-jsdoc': 'off', // TODO: Turn this back on later
+      semi: ['error', 'always']
+    }
+  }
+);

app/knexfile.ts

@@ -1,6 +1,7 @@
 import config from 'config';
 import { format, parseJSON } from 'date-fns';
-import { Knex } from 'knex';
+
+import { type Knex } from 'knex';
 
 import { getLogger } from './src/utils/log';
 const log = getLogger(module.filename);