Chore: move to eslint (#6270)

.eslintrc.json

@@ -1,42 +0,0 @@
-{
-  "extends": [
-    "next/core-web-vitals",
-    "prettier",
-    "plugin:react-hooks/recommended"
-  ],
-  "plugins": ["prettier"],
-  "rules": {
-    "import/no-cycle": [
-      "error",
-      {
-        "maxDepth": 1
-      }
-    ],
-    "import/order": [
-      "error",
-      {
-        "newlines-between": "always"
-      }
-    ],
-    "no-else-return": [
-      "error",
-      {
-        "allowElseIf": true
-      }
-    ]
-  },
-  "settings": {
-    "import/resolver": {
-      "node": {
-        "paths": ["src"]
-      }
-    }
-  },
-  "parserOptions": {
-    "ecmaVersion": 6,
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "modules": true
-    }
-  }
-}

eslint.config.mjs

@@ -0,0 +1,69 @@
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import { fixupConfigRules } from "@eslint/compat";
+import { FlatCompat } from "@eslint/eslintrc";
+import js from "@eslint/js";
+import prettier from "eslint-plugin-prettier";
+import { defineConfig, globalIgnores } from "eslint/config";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default defineConfig([
+  {
+    extends: fixupConfigRules(compat.extends("next/core-web-vitals", "prettier", "plugin:react-hooks/recommended")),
+
+    plugins: {
+      prettier,
+    },
+
+    languageOptions: {
+      ecmaVersion: 6,
+      sourceType: "module",
+
+      parserOptions: {
+        ecmaFeatures: {
+          modules: true,
+        },
+      },
+    },
+
+    settings: {
+      "import/resolver": {
+        node: {
+          paths: ["src"],
+        },
+      },
+    },
+
+    rules: {
+      "import/no-cycle": [
+        "error",
+        {
+          maxDepth: 1,
+        },
+      ],
+
+      "import/order": [
+        "error",
+        {
+          "newlines-between": "always",
+        },
+      ],
+
+      "no-else-return": [
+        "error",
+        {
+          allowElseIf: true,
+        },
+      ],
+    },
+  },
+  globalIgnores(["./config/", "./.venv/", "./.next/", "./site/"]),
+]);

next-i18next.config.js

@@ -1,6 +1,5 @@
 // prettyBytes taken from https://github.com/sindresorhus/pretty-bytes
 
-/* eslint-disable no-param-reassign */
 const BYTE_UNITS = ["B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
 
 const BIBYTE_UNITS = ["B", "kiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"];
@@ -37,7 +36,6 @@ function prettyBytes(number, options) {
     ...options,
   };
 
-  // eslint-disable-next-line no-nested-ternary
   const UNITS = options.bits ? (options.binary ? BIBIT_UNITS : BIT_UNITS) : options.binary ? BIBYTE_UNITS : BYTE_UNITS;
 
   if (options.signed && number === 0) {
@@ -45,7 +43,7 @@ function prettyBytes(number, options) {
   }
 
   const isNegative = number < 0;
-  // eslint-disable-next-line no-nested-ternary
+
   const prefix = isNegative ? "-" : options.signed ? "+" : "";
 
   if (isNegative) {

package.json

@@ -7,7 +7,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint",
+    "lint": "eslint .",
     "telemetry": "next telemetry disable"
   },
   "dependencies": {
@@ -44,6 +44,9 @@
     "xml-js": "^1.6.11"
   },
   "devDependencies": {
+    "@eslint/compat": "^2.0.2",
+    "@eslint/eslintrc": "^3.3.3",
+    "@eslint/js": "^9.39.2",
     "@tailwindcss/forms": "^0.5.10",
     "@tailwindcss/postcss": "^4.1.18",
     "eslint": "^9.25.1",

pnpm-lock.yaml

@@ -102,6 +102,15 @@ importers:
         specifier: ^1.6.11
         version: 1.6.11
     devDependencies:
+      '@eslint/compat':
+        specifier: ^2.0.2
+        version: 2.0.2(eslint@9.25.1(jiti@2.6.1))
+      '@eslint/eslintrc':
+        specifier: ^3.3.3
+        version: 3.3.3
+      '@eslint/js':
+        specifier: ^9.39.2
+        version: 9.39.2
       '@tailwindcss/forms':
         specifier: ^0.5.10
         version: 0.5.10(tailwindcss@4.1.18)
@@ -202,6 +211,15 @@ packages:
     resolution: {integrity: sha512-CCZCDJuduB9OUkFkY2IgppNZMi2lBQgD2qzwXkEia16cge2pijY/aXi96CJMquDMn3nJdlPV1A5KrJEXwfLNzQ==}
     engines: {node: ^12.0.0 || ^14.0.0 || >=16.0.0}
 
+  '@eslint/compat@2.0.2':
+    resolution: {integrity: sha512-pR1DoD0h3HfF675QZx0xsyrsU8q70Z/plx7880NOhS02NuWLgBCOMDL787nUeQ7EWLkxv3bPQJaarjcPQb2Dwg==}
+    engines: {node: ^20.19.0 || ^22.13.0 || >=24}
+    peerDependencies:
+      eslint: ^8.40 || 9 || 10
+    peerDependenciesMeta:
+      eslint:
+        optional: true
+
   '@eslint/config-array@0.20.0':
     resolution: {integrity: sha512-fxlS1kkIjx8+vy2SjuCB94q3htSNrufYTXubwiBFeaQHbH6Ipi43gFJq2zCMt6PHhImH3Xmr0NksKDvchWlpQQ==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -214,14 +232,22 @@ packages:
     resolution: {integrity: sha512-yfkgDw1KR66rkT5A8ci4irzDysN7FRpq3ttJolR88OqQikAWqwA8j5VZyas+vjyBNFIJ7MfybJ9plMILI2UrCw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
-  '@eslint/eslintrc@3.3.1':
-    resolution: {integrity: sha512-gtF186CXhIl1p4pJNGZw8Yc6RlshoePRvE0X91oPGb3vZ8pM3qOS9W9NGPat9LziaBV7XrJWGylNQXkGcnM3IQ==}
+  '@eslint/core@1.1.0':
+    resolution: {integrity: sha512-/nr9K9wkr3P1EzFTdFdMoLuo1PmIxjmwvPozwoSodjNBdefGujXQUF93u1DDZpEaTuDvMsIQddsd35BwtrW9Xw==}
+    engines: {node: ^20.19.0 || ^22.13.0 || >=24}
+
+  '@eslint/eslintrc@3.3.3':
+    resolution: {integrity: sha512-Kr+LPIUVKz2qkx1HAMH8q1q6azbqBAsXJUxBl/ODDuVPX45Z9DfwB8tPjTi6nNZ8BuM3nbJxC5zCAg5elnBUTQ==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
   '@eslint/js@9.25.1':
     resolution: {integrity: sha512-dEIwmjntEx8u3Uvv+kr3PDeeArL8Hw07H9kyYxCjnM9pBjfEhk6uLXSchxxzgiwtRhhzVzqmUSDFBOi1TuZ7qg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
+  '@eslint/js@9.39.2':
+    resolution: {integrity: sha512-q1mjIoW1VX4IvSocvM/vbTiveKC4k9eLrajNEuSsmjymSDEbpGddtpfOoN7YGAqBK3NG+uqo8ia4PDTt8buCYA==}
+    engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+
   '@eslint/object-schema@2.1.6':
     resolution: {integrity: sha512-RBMg5FRL0I0gs51M/guSAj5/e14VQ4tpZnQNWwuDT66P14I43ItmPfIZRhO9fUVIPOAQXU47atlywZ/czoqFPA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -3099,6 +3125,12 @@ snapshots:
 
   '@eslint-community/regexpp@4.12.1': {}
 
+  '@eslint/compat@2.0.2(eslint@9.25.1(jiti@2.6.1))':
+    dependencies:
+      '@eslint/core': 1.1.0
+    optionalDependencies:
+      eslint: 9.25.1(jiti@2.6.1)
+
   '@eslint/config-array@0.20.0':
     dependencies:
       '@eslint/object-schema': 2.1.6
@@ -3113,10 +3145,14 @@ snapshots:
     dependencies:
       '@types/json-schema': 7.0.15
 
-  '@eslint/eslintrc@3.3.1':
+  '@eslint/core@1.1.0':
+    dependencies:
+      '@types/json-schema': 7.0.15
+
+  '@eslint/eslintrc@3.3.3':
     dependencies:
       ajv: 6.12.6
-      debug: 4.4.0
+      debug: 4.4.1
       espree: 10.3.0
       globals: 14.0.0
       ignore: 5.3.2
@@ -3129,6 +3165,8 @@ snapshots:
 
   '@eslint/js@9.25.1': {}
 
+  '@eslint/js@9.39.2': {}
+
   '@eslint/object-schema@2.1.6': {}
 
   '@eslint/plugin-kit@0.2.8':
@@ -4559,7 +4597,7 @@ snapshots:
       '@eslint/config-array': 0.20.0
       '@eslint/config-helpers': 0.2.2
       '@eslint/core': 0.13.0
-      '@eslint/eslintrc': 3.3.1
+      '@eslint/eslintrc': 3.3.3
       '@eslint/js': 9.25.1
       '@eslint/plugin-kit': 0.2.8
       '@humanfs/node': 0.16.6

src/middleware.js

@@ -10,7 +10,6 @@ export function middleware(req) {
     allowedHosts = allowedHosts.concat(process.env.HOMEPAGE_ALLOWED_HOSTS.split(","));
   }
   if (!allowAll && (!host || !allowedHosts.includes(host))) {
-    // eslint-disable-next-line no-console
     console.error(
       `Host validation failed for: ${host}. Hint: Set the HOMEPAGE_ALLOWED_HOSTS environment variable to allow requests from this host / port.`,
     );

src/pages/api/ping.js

@@ -28,9 +28,7 @@ export default async function handler(req, res) {
   try {
     // maintain backwards compatibility with old ping where may be http://...
     hostname = new URL(pingHostOrURL).hostname;
-  } catch (e) {
-    // eslint-disable-line no-empty
-  }
+  } catch (e) {}
 
   try {
     const response = await ping.probe(hostname);

src/utils/config/api-response.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-console */
 import { promises as fs } from "fs";
 import path from "path";
 
@@ -100,7 +99,6 @@ function convertLayoutGroupToGroup(name, layoutGroup) {
 function mergeSubgroups(configuredGroups, mergedGroup) {
   configuredGroups.forEach((group) => {
     if (group.name === mergedGroup.name) {
-      // eslint-disable-next-line no-param-reassign
       group.services = mergedGroup.services;
     } else if (group.groups) {
       mergeSubgroups(group.groups, mergedGroup);

src/utils/config/config.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-console */
 import { copyFileSync, existsSync, mkdirSync, readFileSync } from "fs";
 import { join } from "path";
 

src/utils/config/shvl.js

@@ -1,5 +1,3 @@
-/* eslint-disable */
-
 /*
 Code primarely based on shvl repository: https://github.com/robinvdvleuten/shvl
 

src/utils/layout/columns.js

@@ -1,4 +1,3 @@
-// eslint-disable-next-line import/prefer-default-export
 export const columnMap = [
   "grid-cols-1 md:grid-cols-1 lg:grid-cols-1",
   "grid-cols-1 md:grid-cols-1 lg:grid-cols-1",

src/utils/logger.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-console */
 import { format as utilFormat } from "node:util";
 
 import winston from "winston";
@@ -9,10 +8,9 @@ let winstonLogger;
 
 function combineMessageAndSplat() {
   return {
-    // eslint-disable-next-line no-unused-vars
     transform: (info, opts) => {
       // combine message and args if any
-      // eslint-disable-next-line no-param-reassign
+
       info.message = utilFormat(info.message, ...(info[Symbol.for("splat")] || []));
       return info;
     },

src/utils/proxy/cookie-jar.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-param-reassign */
 import { Cookie, CookieJar } from "tough-cookie";
 
 const cookieJar = new CookieJar();

src/utils/proxy/handlers/jsonrpc.js

@@ -30,7 +30,6 @@ export async function sendJsonRpcRequest(url, method, params, widget) {
       body,
     };
 
-    // eslint-disable-next-line no-unused-vars
     const [status, contentType, data] = await httpProxy(url, httpRequestParams);
     if (status === 200) {
       const json = JSON.parse(data.toString());

src/utils/proxy/handlers/synology.js

@@ -48,7 +48,7 @@ async function getApiInfo(serviceWidget, apiName, serviceName) {
   }
 
   const infoUrl = formatApiCall(INFO_ENDPOINT, serviceWidget);
-  // eslint-disable-next-line no-unused-vars
+
   const [status, contentType, data] = await httpProxy(infoUrl);
 
   if (status === 200) {
@@ -74,7 +74,6 @@ async function getApiInfo(serviceWidget, apiName, serviceName) {
 async function handleUnsuccessfulResponse(serviceWidget, url, serviceName) {
   logger.debug(`Attempting login to ${serviceWidget.type}`);
 
-  // eslint-disable-next-line no-unused-vars
   const [apiPath, maxVersion] = await getApiInfo(serviceWidget, AUTH_API_NAME, serviceName);
 
   const authArgs = { path: apiPath ?? "entry.cgi", maxVersion: maxVersion ?? 7, ...serviceWidget };

src/utils/proxy/http.js

@@ -1,5 +1,3 @@
-/* eslint-disable prefer-promise-reject-errors */
-/* eslint-disable no-param-reassign */
 import { createUnzip, constants as zlibConstants } from "node:zlib";
 
 import { http, https } from "follow-redirects";

src/utils/proxy/validate-widget-data.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-console */
 import createLogger from "utils/logger";
 import widgets from "widgets/widgets";
 

src/widgets/beszel/proxy.js

@@ -97,7 +97,6 @@ export default async function beszelProxyHandler(req, res) {
           return res.status(status).send(data);
         }
 
-        // eslint-disable-next-line no-unused-vars
         [status, , data] = await httpProxy(url, {
           method: "GET",
           headers: {

src/widgets/deluge/proxy.js

@@ -65,7 +65,6 @@ export default async function delugeProxyHandler(req, res) {
       return res.status(status).end(data);
     }
 
-    // eslint-disable-next-line no-unused-vars
     [status, contentType, data] = await sendRpc(url, dataMethod, dataParams);
   }
 

src/widgets/dispatcharr/proxy.js

@@ -97,7 +97,6 @@ export default async function dispatcharrProxyHandler(req, res) {
           return res.status(status).send(data);
         }
 
-        // eslint-disable-next-line no-unused-vars
         [status, , data] = await httpProxy(url, {
           method: "GET",
           headers: {

src/widgets/flood/proxy.js

@@ -22,7 +22,6 @@ async function login(widget) {
     });
   }
 
-  // eslint-disable-next-line no-unused-vars
   const [status, contentType, data] = await httpProxy(loginUrl, loginParams);
   return [status, data];
 }

src/widgets/homebridge/proxy.js

@@ -16,7 +16,7 @@ async function login(widget, service) {
   const loginUrl = new URL(formatApiCall(api, { endpoint, ...widget }));
   const loginBody = { username: widget.username.toString(), password: widget.password.toString() };
   const headers = { "Content-Type": "application/json" };
-  // eslint-disable-next-line no-unused-vars
+
   const [status, contentType, data, responseHeaders] = await httpProxy(loginUrl, {
     method: "POST",
     body: JSON.stringify(loginBody),

src/widgets/jdownloader/proxy.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-underscore-dangle */
 import crypto from "crypto";
 import querystring from "querystring";
 

src/widgets/npm/proxy.js

@@ -79,7 +79,6 @@ export default async function npmProxyHandler(req, res) {
           return res.status(status).send(data);
         }
 
-        // eslint-disable-next-line no-unused-vars
         [status, , data] = await httpProxy(url, {
           method: "GET",
           headers: {

src/widgets/omada/proxy.js

@@ -20,7 +20,6 @@ async function login(loginUrl, username, password, controllerVersionMajor) {
     };
   }
 
-  // eslint-disable-next-line no-unused-vars
   const [status, contentType, data] = await httpProxy(loginUrl, {
     method: "POST",
     body: JSON.stringify(params),
@@ -234,7 +233,6 @@ export default async function omadaProxyHandler(req, res) {
             ? `${url}/api/v2/sites/${siteName}/alerts/num?token=${token}&currentPage=1&currentPageSize=1000`
             : `${url}/${cId}/api/v2/sites/${siteName}/alerts/num?token=${token}&currentPage=1&currentPageSize=1000`;
 
-        // eslint-disable-next-line no-unused-vars
         [status, contentType, data] = await httpProxy(alertUrl, {
           headers: {
             "Csrf-Token": token,

src/widgets/plex/proxy.js

@@ -1,4 +1,3 @@
-/* eslint-disable no-underscore-dangle */
 import cache from "memory-cache";
 import { xml2json } from "xml-js";
 

src/widgets/pyload/proxy.js

@@ -40,7 +40,6 @@ async function fetchFromPyloadAPI(url, sessionId, params, service) {
     options.headers.Cookie = cache.get(`${sessionCacheKey}.${service}`);
   }
 
-  // eslint-disable-next-line no-unused-vars
   const [status, contentType, data, responseHeaders] = await httpProxy(url, options);
   const returnData = parsePyloadResponse(url, data);
   return [status, returnData, responseHeaders];
@@ -66,7 +65,6 @@ async function fetchFromPyloadAPIBasic(url, params, username, password) {
     options.body = JSON.stringify(params);
   }
 
-  // eslint-disable-next-line no-unused-vars
   const [status, contentType, data, responseHeaders] = await httpProxy(parsedUrl, options);
   const returnData = parsePyloadResponse(parsedUrl, data);
   return [status, returnData, responseHeaders];

src/widgets/qbittorrent/proxy.js

@@ -15,7 +15,6 @@ async function login(widget) {
     body: loginBody,
   };
 
-  // eslint-disable-next-line no-unused-vars
   const [status, contentType, data] = await httpProxy(loginUrl, loginParams);
   return [status, data];
 }

src/widgets/xteve/proxy.js

@@ -24,7 +24,6 @@ export default async function xteveProxyHandler(req, res) {
   const payload = { cmd: "status" };
 
   if (widget.username && widget.password) {
-    // eslint-disable-next-line no-unused-vars
     const [status, contentType, data] = await httpProxy(url, {
       method,
       body: JSON.stringify({