Switch from eslint to oxlint

.github/workflows/static_analysis.yaml

@@ -28,7 +28,7 @@ jobs:
                     - name: Oxfmt
                       install: normal
                       command: "lint:fmt"
-                    - name: ESLint
+                    - name: Oxlint
                       install: normal
                       command: "lint:js"
                     - name: Style Lint

.lintstagedrc

@@ -1,3 +1,4 @@
 {
-    "*": "oxfmt --no-error-on-unmatched-pattern"
+    "*": "oxfmt --no-error-on-unmatched-pattern",
+    "*.{js,jsx,ts,tsx,mjs,cjs}": "oxlint --no-error-on-unmatched-pattern"
 }

apps/desktop/babel.config.cjs

@@ -1,3 +1,10 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
 module.exports = {
     presets: [["@babel/preset-env", { targets: { node: "current" } }], "@babel/preset-typescript"],
 };

apps/desktop/electron-builder.ts

@@ -1,3 +1,10 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
 import * as os from "node:os";
 import * as fs from "node:fs";
 import * as path from "node:path";

apps/desktop/hak/tsconfig.json

@@ -9,7 +9,8 @@
         "lib": ["es2022"],
         "types": ["node"],
         "allowImportingTsExtensions": true,
-        "skipLibCheck": true
+        "skipLibCheck": true,
+        "noEmit": true
     },
     "include": ["../scripts/@types/*.d.ts", "./**/*.ts"]
 }

apps/desktop/package.json

@@ -29,9 +29,7 @@
         "fetch": "pnpm run mkdirs && node scripts/fetch-package.ts",
         "asar-webapp": "asar p webapp webapp.asar",
         "start": "nx start",
-        "lint": "pnpm lint:types && pnpm lint:js",
-        "lint:js": "eslint --max-warnings 0 src hak playwright scripts",
-        "lint:js-fix": "eslint --fix --max-warnings 0 src hak playwright scripts",
+        "lint": "pnpm lint:types",
         "lint:types": "pnpm lint:types:src && pnpm lint:types:node && pnpm lint:types:test && pnpm lint:types:scripts && pnpm lint:types:hak",
         "lint:types:src": "tsc --noEmit",
         "lint:types:node": "tsc --noEmit -p tsconfig.node.json",
@@ -75,27 +73,18 @@
         "@electron/asar": "4.2.0",
         "@electron/fuses": "^2.1.1",
         "@playwright/test": "catalog:",
-        "@stylistic/eslint-plugin": "^5.0.0",
         "@types/auto-launch": "^5.0.1",
         "@types/counterpart": "^0.18.1",
         "@types/minimist": "^1.2.1",
         "@types/node": "catalog:",
         "@types/pacote": "^11.1.1",
-        "@typescript-eslint/eslint-plugin": "^8.0.0",
-        "@typescript-eslint/parser": "^8.0.0",
         "app-builder-lib": "26.15.3",
         "chokidar": "^5.0.0",
         "detect-libc": "^2.0.0",
         "electron": "43.0.0",
         "electron-builder": "26.15.3",
         "electron-builder-squirrel-windows": "26.15.3",
         "electron-devtools-installer": "^4.0.0",
-        "eslint": "^8.26.0",
-        "eslint-config-google": "^0.14.0",
-        "eslint-plugin-import": "^2.25.4",
-        "eslint-plugin-matrix-org": "^3.0.0",
-        "eslint-plugin-n": "^17.12.0",
-        "eslint-plugin-unicorn": "^56.0.0",
         "glob": "^13.0.0",
         "matrix-web-i18n": "catalog:",
         "memfs": "^4.57.2",
@@ -112,8 +101,7 @@
     },
     "nx": {
         "includedScripts": [
-            "lint:types",
-            "lint:js"
+            "lint:types"
         ]
     }
 }

apps/desktop/scripts/copy-res.ts

@@ -1,5 +1,12 @@
 #!/usr/bin/env node
 
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
 // copies resources into the lib directory.
 
 import parseArgs from "minimist";

apps/desktop/scripts/fetch-package.ts

@@ -1,4 +1,10 @@
 #!/usr/bin/env node
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
 
 import * as path from "node:path";
 import { createWriteStream, promises as fs } from "node:fs";

apps/desktop/scripts/generate-nightly-version.ts

@@ -1,4 +1,10 @@
 #!/usr/bin/env node
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
 
 /**
  * Script to generate incremental Nightly build versions, based on the latest Nightly build version of that kind.

apps/desktop/scripts/get-version.ts

@@ -1,4 +1,10 @@
 #!/usr/bin/env node
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
 
 /*
  * Checks for the presence of a webapp, inspects its version and prints it

apps/desktop/scripts/set-version.ts

@@ -1,4 +1,10 @@
 #!/usr/bin/env node
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
 
 /*
  * Checks for the presence of a webapp, inspects its version and sets the

apps/desktop/scripts/tsconfig.json

@@ -10,7 +10,8 @@
         "strict": true,
         "lib": ["es2022"],
         "types": ["node"],
-        "allowImportingTsExtensions": true
+        "allowImportingTsExtensions": true,
+        "noEmit": true
     },
     "include": ["../src/@types", "./**/*.ts"]
 }

apps/desktop/src/electron-main.ts

@@ -385,11 +385,13 @@ app.on("ready", async () => {
                 desktopCapturer
                     .getSources({ types: ["screen", "window"] })
                     .then((sources) => {
+                        // oxlint-disable-next-line promise/no-callback-in-promise
                         callback({ video: sources[0] });
                     })
                     .catch((err) => {
                         // If the user cancels the dialog an error occurs "Failed to get sources"
                         console.error("Wayland: failed to get user-selected source:", err);
+                        // oxlint-disable-next-line promise/no-callback-in-promise
                         callback({ video: { id: "", name: "" } }); // The promise does not return if no dummy is passed here as source
                     });
             } else {

apps/desktop/src/ipc.ts

@@ -144,7 +144,7 @@
             }));
             break;
         case "callDisplayMediaCallback":
-            await getDisplayMediaCallback()?.({ video: args[0] });
+            getDisplayMediaCallback()?.({ video: args[0] });
             setDisplayMediaCallback(null);
             ret = null;
             break;

apps/desktop/src/language-helper.ts

@@ -113,15 +113,15 @@
             locales = [locales];
         }
 
-        const loadedLocales = locales.filter((locale) => {
+        const chosenLocale = locales.find((locale) => {
             const translations = this.fetchTranslationJson(locale);
             if (translations !== null) {
                 counterpart.registerTranslations(locale, translations);
             }
             return !!translations;
         });
 
-        counterpart.setLocale(loadedLocales[0]);
+        counterpart.setLocale(chosenLocale!);
         this.store.set(AppLocalization.STORE_KEY, locales);
 
         this.resetLocalizedUI();

apps/desktop/src/preload.cts

@@ -8,7 +8,7 @@ Please see LICENSE files in the repository root for full details.
 
 // This file is compiled to CommonJS rather than ESM otherwise the browser chokes on the import statement.
 
-import { ipcRenderer, contextBridge, IpcRendererEvent } from "electron";
+import { ipcRenderer, contextBridge, type IpcRendererEvent } from "electron";
 import type { ConfigOptions } from "./config.js" with { "resolution-mode": "import" };
 
 // Expose only expected IPC wrapper APIs to the renderer process to avoid