diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index 4e3da6cab4..55a0f556fc 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -6,9 +6,20 @@ ignorePatterns:
   - /web_src/fomantic
   - /public/assets/js
 
+parser: "@typescript-eslint/parser"
+
 parserOptions:
   sourceType: module
   ecmaVersion: latest
+  project: true
+  extraFileExtensions: [".vue"]
+
+settings:
+  import/extensions: [".js", ".ts"]
+  import/parsers:
+    "@typescript-eslint/parser": [".js", ".ts"]
+  import/resolver:
+    typescript: true
 
 plugins:
   - "@eslint-community/eslint-plugin-eslint-comments"
@@ -103,6 +114,22 @@ overrides:
   - files: ["web_src/js/modules/fetch.js", "web_src/js/standalone/**/*"]
     rules:
       no-restricted-syntax: [2, WithStatement, ForInStatement, LabeledStatement, SequenceExpression]
+  - files: ["**/*.vue"]
+    plugins:
+      - eslint-plugin-vue
+      - eslint-plugin-vue-scoped-css
+    extends:
+      - plugin:vue/vue3-recommended
+      - plugin:vue-scoped-css/vue3-recommended
+    rules:
+      vue/attributes-order: [0]
+      vue/html-closing-bracket-spacing: [2, {startTag: never, endTag: never, selfClosingTag: never}]
+      vue/max-attributes-per-line: [0]
+      vue/singleline-html-element-content-newline: [0]
+  - files: ["tests/e2e/**"]
+    plugins:
+      - eslint-plugin-playwright
+    extends: plugin:playwright/recommended
 
 rules:
   "@eslint-community/eslint-comments/disable-enable-pair": [2]
@@ -264,7 +291,7 @@ rules:
   i/no-internal-modules: [0]
   i/no-mutable-exports: [0]
   i/no-named-as-default-member: [0]
-  i/no-named-as-default: [2]
+  i/no-named-as-default: [0]
   i/no-named-default: [0]
   i/no-named-export: [0]
   i/no-namespace: [0]
@@ -274,7 +301,7 @@ rules:
   i/no-restricted-paths: [0]
   i/no-self-import: [2]
   i/no-unassigned-import: [0]
-  i/no-unresolved: [2, {commonjs: true, ignore: ["\\?.+$", ^vitest/]}]
+  i/no-unresolved: [2, {commonjs: true, ignore: ["\\?.+$"]}]
   i/no-unused-modules: [2, {unusedExports: true}]
   i/no-useless-path-segments: [2, {commonjs: true}]
   i/no-webpack-loader-syntax: [2]
diff --git a/Makefile b/Makefile
index 51577a48f0..2a6b61348a 100644
--- a/Makefile
+++ b/Makefile
@@ -375,11 +375,13 @@ lint-backend-fix: lint-go-fix lint-go-vet lint-editorconfig
 
 .PHONY: lint-js
 lint-js: node_modules
-	npx eslint --color --max-warnings=0 --ext js,vue $(ESLINT_FILES)
+	npx eslint --color --max-warnings=0 --ext js,ts,vue $(ESLINT_FILES)
+	npx tsc
 
 .PHONY: lint-js-fix
 lint-js-fix: node_modules
-	npx eslint --color --max-warnings=0 --ext js,vue $(ESLINT_FILES) --fix
+	npx eslint --color --max-warnings=0 --ext js,ts,vue $(ESLINT_FILES) --fix
+	npx tsc
 
 .PHONY: lint-css
 lint-css: node_modules
diff --git a/package-lock.json b/package-lock.json
index 2f7a200ed2..3102d02233 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,6 +52,7 @@
         "tippy.js": "6.3.7",
         "toastify-js": "1.12.0",
         "tributejs": "5.1.3",
+        "typescript": "5.5.2",
         "uint8-to-base64": "0.2.0",
         "vanilla-colorful": "0.7.2",
         "vue": "3.4.29",
@@ -68,13 +69,16 @@
         "@stoplight/spectral-cli": "6.11.1",
         "@stylistic/eslint-plugin-js": "2.2.1",
         "@stylistic/stylelint-plugin": "2.1.2",
+        "@typescript-eslint/parser": "7.14.1",
         "@vitejs/plugin-vue": "5.0.5",
         "eslint": "8.57.0",
+        "eslint-import-resolver-typescript": "3.6.1",
         "eslint-plugin-array-func": "4.0.0",
         "eslint-plugin-github": "5.0.1",
         "eslint-plugin-i": "2.29.1",
         "eslint-plugin-no-jquery": "3.0.1",
         "eslint-plugin-no-use-extend-native": "0.5.0",
+        "eslint-plugin-playwright": "1.6.2",
         "eslint-plugin-regexp": "2.6.0",
         "eslint-plugin-sonarjs": "1.0.3",
         "eslint-plugin-unicorn": "54.0.0",
@@ -2399,15 +2403,16 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "7.13.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-7.13.1.tgz",
-      "integrity": "sha512-1ELDPlnLvDQ5ybTSrMhRTFDfOQEOXNM+eP+3HT/Yq7ruWpciQw+Avi73pdEbA4SooCawEWo3dtYbF68gN7Ed1A==",
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-7.14.1.tgz",
+      "integrity": "sha512-8lKUOebNLcR0D7RvlcloOacTOWzOqemWEWkKSVpMZVF/XVcwjPR+3MD08QzbW9TCGJ+DwIc6zUSGZ9vd8cO1IA==",
       "dev": true,
+      "license": "BSD-2-Clause",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "7.13.1",
-        "@typescript-eslint/types": "7.13.1",
-        "@typescript-eslint/typescript-estree": "7.13.1",
-        "@typescript-eslint/visitor-keys": "7.13.1",
+        "@typescript-eslint/scope-manager": "7.14.1",
+        "@typescript-eslint/types": "7.14.1",
+        "@typescript-eslint/typescript-estree": "7.14.1",
+        "@typescript-eslint/visitor-keys": "7.14.1",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -2426,6 +2431,98 @@
         }
       }
     },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/scope-manager": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-7.14.1.tgz",
+      "integrity": "sha512-gPrFSsoYcsffYXTOZ+hT7fyJr95rdVe4kGVX1ps/dJ+DfmlnjFN/GcMxXcVkeHDKqsq6uAcVaQaIi3cFffmAbA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "7.14.1",
+        "@typescript-eslint/visitor-keys": "7.14.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/types": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-7.14.1.tgz",
+      "integrity": "sha512-mL7zNEOQybo5R3AavY+Am7KLv8BorIv7HCYS5rKoNZKQD9tsfGUpO4KdAn3sSUvTiS4PQkr2+K0KJbxj8H9NDg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/typescript-estree": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-7.14.1.tgz",
+      "integrity": "sha512-k5d0VuxViE2ulIO6FbxxSZaxqDVUyMbXcidC8rHvii0I56XZPv8cq+EhMns+d/EVIL41sMXqRbK3D10Oza1bbA==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "@typescript-eslint/types": "7.14.1",
+        "@typescript-eslint/visitor-keys": "7.14.1",
+        "debug": "^4.3.4",
+        "globby": "^11.1.0",
+        "is-glob": "^4.0.3",
+        "minimatch": "^9.0.4",
+        "semver": "^7.6.0",
+        "ts-api-utils": "^1.3.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/visitor-keys": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.14.1.tgz",
+      "integrity": "sha512-Crb+F75U1JAEtBeQGxSKwI60hZmmzaqA3z9sYsVm8X7W5cwLEm5bRe0/uXS6+MR/y8CVpKSR/ontIAIEPFcEkA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "7.14.1",
+        "eslint-visitor-keys": "^3.4.3"
+      },
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/eslint-visitor-keys": {
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz",
+      "integrity": "sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
     "node_modules/@typescript-eslint/scope-manager": {
       "version": "7.13.1",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-7.13.1.tgz",
@@ -5353,6 +5450,31 @@
         "ms": "^2.1.1"
       }
     },
+    "node_modules/eslint-import-resolver-typescript": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/eslint-import-resolver-typescript/-/eslint-import-resolver-typescript-3.6.1.tgz",
+      "integrity": "sha512-xgdptdoi5W3niYeuQxKmzVDTATvLYqhpwmykwsh7f6HIOStGWEIL9iqZgQDF9u9OEzrRwR8no5q2VT+bjAujTg==",
+      "dev": true,
+      "dependencies": {
+        "debug": "^4.3.4",
+        "enhanced-resolve": "^5.12.0",
+        "eslint-module-utils": "^2.7.4",
+        "fast-glob": "^3.3.1",
+        "get-tsconfig": "^4.5.0",
+        "is-core-module": "^2.11.0",
+        "is-glob": "^4.0.3"
+      },
+      "engines": {
+        "node": "^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/unts/projects/eslint-import-resolver-ts"
+      },
+      "peerDependencies": {
+        "eslint": "*",
+        "eslint-plugin-import": "*"
+      }
+    },
     "node_modules/eslint-module-utils": {
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.8.1.tgz",
@@ -5701,6 +5823,30 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/eslint-plugin-playwright": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-playwright/-/eslint-plugin-playwright-1.6.2.tgz",
+      "integrity": "sha512-mraN4Em3b5jLt01q7qWPyLg0Q5v3KAWfJSlEWwldyUXoa7DSPrBR4k6B6LROLqipsG8ndkwWMdjl1Ffdh15tag==",
+      "dev": true,
+      "workspaces": [
+        "examples"
+      ],
+      "dependencies": {
+        "globals": "^13.23.0"
+      },
+      "engines": {
+        "node": ">=16.6.0"
+      },
+      "peerDependencies": {
+        "eslint": ">=8.40.0",
+        "eslint-plugin-jest": ">=25"
+      },
+      "peerDependenciesMeta": {
+        "eslint-plugin-jest": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/eslint-plugin-prettier": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-5.1.3.tgz",
@@ -11867,11 +12013,10 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
-      "devOptional": true,
-      "peer": true,
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.2.tgz",
+      "integrity": "sha512-NcRtPEOsPFFWjobJEtfihkLCZCXZt/os3zf8nTxjVH3RvTSxjrCamJpbExGvYOF+tFHc3pA65qpdwPbzjohhew==",
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 2efebb8df8..ec1500fb8b 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "tippy.js": "6.3.7",
     "toastify-js": "1.12.0",
     "tributejs": "5.1.3",
+    "typescript": "5.5.2",
     "uint8-to-base64": "0.2.0",
     "vanilla-colorful": "0.7.2",
     "vue": "3.4.29",
@@ -67,13 +68,16 @@
     "@stoplight/spectral-cli": "6.11.1",
     "@stylistic/eslint-plugin-js": "2.2.1",
     "@stylistic/stylelint-plugin": "2.1.2",
+    "@typescript-eslint/parser": "7.14.1",
     "@vitejs/plugin-vue": "5.0.5",
     "eslint": "8.57.0",
+    "eslint-import-resolver-typescript": "3.6.1",
     "eslint-plugin-array-func": "4.0.0",
     "eslint-plugin-github": "5.0.1",
     "eslint-plugin-i": "2.29.1",
     "eslint-plugin-no-jquery": "3.0.1",
     "eslint-plugin-no-use-extend-native": "0.5.0",
+    "eslint-plugin-playwright": "1.6.2",
     "eslint-plugin-regexp": "2.6.0",
     "eslint-plugin-sonarjs": "1.0.3",
     "eslint-plugin-unicorn": "54.0.0",
diff --git a/playwright.config.js b/playwright.config.ts
similarity index 81%
rename from playwright.config.js
rename to playwright.config.ts
index bdd303ae25..d1cd299e25 100644
--- a/playwright.config.js
+++ b/playwright.config.ts
@@ -1,15 +1,12 @@
-// @ts-check
 import {devices} from '@playwright/test';
+import {env} from 'node:process';
+import type {PlaywrightTestConfig} from '@playwright/test';
 
-const BASE_URL = process.env.GITEA_URL?.replace?.(/\/$/g, '') || 'http://localhost:3000';
+const BASE_URL = env.GITEA_URL?.replace?.(/\/$/g, '') || 'http://localhost:3000';
 
-/**
- * @see https://playwright.dev/docs/test-configuration
- * @type {import('@playwright/test').PlaywrightTestConfig}
- */
 export default {
   testDir: './tests/e2e/',
-  testMatch: /.*\.test\.e2e\.js/, // Match any .test.e2e.js files
+  testMatch: /.*\.test\.e2e\.ts/, // Match any .test.e2e.ts files
 
   /* Maximum time one test can run for. */
   timeout: 30 * 1000,
@@ -24,13 +21,13 @@ export default {
   },
 
   /* Fail the build on CI if you accidentally left test.only in the source code. */
-  forbidOnly: Boolean(process.env.CI),
+  forbidOnly: Boolean(env.CI),
 
   /* Retry on CI only */
-  retries: process.env.CI ? 2 : 0,
+  retries: env.CI ? 2 : 0,
 
   /* Reporter to use. See https://playwright.dev/docs/test-reporters */
-  reporter: process.env.CI ? 'list' : [['list'], ['html', {outputFolder: 'tests/e2e/reports/', open: 'never'}]],
+  reporter: env.CI ? 'list' : [['list'], ['html', {outputFolder: 'tests/e2e/reports/', open: 'never'}]],
 
   /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
   use: {
@@ -98,4 +95,4 @@ export default {
   outputDir: 'tests/e2e/test-artifacts/',
   /* Folder for test artifacts such as screenshots, videos, traces, etc. */
   snapshotDir: 'tests/e2e/test-snapshots/',
-};
+} satisfies PlaywrightTestConfig;
diff --git a/tests/e2e/README.md b/tests/e2e/README.md
index e5fd1ca6c0..db083793d8 100644
--- a/tests/e2e/README.md
+++ b/tests/e2e/README.md
@@ -65,7 +65,7 @@ TEST_MSSQL_HOST=localhost:1433 TEST_MSSQL_DBNAME=gitea_test TEST_MSSQL_USERNAME=
 
 ## Running individual tests
 
-Example command to run `example.test.e2e.js` test file:
+Example command to run `example.test.e2e.ts` test file:
 
 _Note: unlike integration tests, this filtering is at the file level, not function_
 
diff --git a/tests/e2e/e2e_test.go b/tests/e2e/e2e_test.go
index 60528a1a78..d6d27e66be 100644
--- a/tests/e2e/e2e_test.go
+++ b/tests/e2e/e2e_test.go
@@ -73,10 +73,10 @@ func TestMain(m *testing.M) {
 	os.Exit(exitVal)
 }
 
-// TestE2e should be the only test e2e necessary. It will collect all "*.test.e2e.js" files in this directory and build a test for each.
+// TestE2e should be the only test e2e necessary. It will collect all "*.test.e2e.ts" files in this directory and build a test for each.
 func TestE2e(t *testing.T) {
 	// Find the paths of all e2e test files in test directory.
-	searchGlob := filepath.Join(filepath.Dir(setting.AppPath), "tests", "e2e", "*.test.e2e.js")
+	searchGlob := filepath.Join(filepath.Dir(setting.AppPath), "tests", "e2e", "*.test.e2e.ts")
 	paths, err := filepath.Glob(searchGlob)
 	if err != nil {
 		t.Fatal(err)
diff --git a/tests/e2e/example.test.e2e.js b/tests/e2e/example.test.e2e.ts
similarity index 86%
rename from tests/e2e/example.test.e2e.js
rename to tests/e2e/example.test.e2e.ts
index 57c69a2917..32813b3934 100644
--- a/tests/e2e/example.test.e2e.js
+++ b/tests/e2e/example.test.e2e.ts
@@ -1,19 +1,18 @@
-// @ts-check
 import {test, expect} from '@playwright/test';
-import {login_user, save_visual, load_logged_in_context} from './utils_e2e.js';
+import {login_user, save_visual, load_logged_in_context} from './utils_e2e.ts';
 
 test.beforeAll(async ({browser}, workerInfo) => {
   await login_user(browser, workerInfo, 'user2');
 });
 
-test('Load Homepage', async ({page}) => {
+test('homepage', async ({page}) => {
   const response = await page.goto('/');
   await expect(response?.status()).toBe(200); // Status OK
   await expect(page).toHaveTitle(/^Gitea: Git with a cup of tea\s*$/);
   await expect(page.locator('.logo')).toHaveAttribute('src', '/assets/img/logo.svg');
 });
 
-test('Test Register Form', async ({page}, workerInfo) => {
+test('register', async ({page}, workerInfo) => {
   const response = await page.goto('/user/sign_up');
   await expect(response?.status()).toBe(200); // Status OK
   await page.type('input[name=user_name]', `e2e-test-${workerInfo.workerIndex}`);
@@ -29,7 +28,7 @@ test('Test Register Form', async ({page}, workerInfo) => {
   save_visual(page);
 });
 
-test('Test Login Form', async ({page}, workerInfo) => {
+test('login', async ({page}, workerInfo) => {
   const response = await page.goto('/user/login');
   await expect(response?.status()).toBe(200); // Status OK
 
@@ -37,14 +36,14 @@ test('Test Login Form', async ({page}, workerInfo) => {
   await page.type('input[name=password]', `password`);
   await page.click('form button.ui.primary.button:visible');
 
-  await page.waitForLoadState('networkidle');
+  await page.waitForLoadState('networkidle'); // eslint-disable-line playwright/no-networkidle
 
   await expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
 
   save_visual(page);
 });
 
-test('Test Logged In User', async ({browser}, workerInfo) => {
+test('logged in user', async ({browser}, workerInfo) => {
   const context = await load_logged_in_context(browser, workerInfo, 'user2');
   const page = await context.newPage();
 
diff --git a/tests/e2e/utils_e2e.js b/tests/e2e/utils_e2e.ts
similarity index 88%
rename from tests/e2e/utils_e2e.js
rename to tests/e2e/utils_e2e.ts
index d60c78b16e..5678c9c9d0 100644
--- a/tests/e2e/utils_e2e.js
+++ b/tests/e2e/utils_e2e.ts
@@ -1,4 +1,5 @@
 import {expect} from '@playwright/test';
+import {env} from 'node:process';
 
 const ARTIFACTS_PATH = `tests/e2e/test-artifacts`;
 const LOGIN_PASSWORD = 'password';
@@ -20,7 +21,7 @@ export async function login_user(browser, workerInfo, user) {
   await page.type('input[name=password]', LOGIN_PASSWORD);
   await page.click('form button.ui.primary.button:visible');
 
-  await page.waitForLoadState('networkidle');
+  await page.waitForLoadState('networkidle'); // eslint-disable-line playwright/no-networkidle
 
   await expect(page.url(), {message: `Failed to login user ${user}`}).toBe(`${workerInfo.project.use.baseURL}/`);
 
@@ -44,8 +45,8 @@ export async function load_logged_in_context(browser, workerInfo, user) {
 
 export async function save_visual(page) {
   // Optionally include visual testing
-  if (process.env.VISUAL_TEST) {
-    await page.waitForLoadState('networkidle');
+  if (env.VISUAL_TEST) {
+    await page.waitForLoadState('networkidle'); // eslint-disable-line playwright/no-networkidle
     // Mock page/version string
     await page.locator('footer div.ui.left').evaluate((node) => node.innerHTML = 'MOCK');
     await expect(page).toHaveScreenshot({
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000000..7ddbada765
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,30 @@
+{
+  "include": [
+    "*",
+    "tests/e2e/**/*",
+    "tools/**/*",
+    "web_src/js/**/*",
+  ],
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "node16",
+    "moduleResolution": "node16",
+    "lib": ["dom", "dom.iterable", "dom.asynciterable", "esnext"],
+    "allowImportingTsExtensions": true,
+    "allowJs": true,
+    "allowSyntheticDefaultImports": true,
+    "alwaysStrict": true,
+    "esModuleInterop": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "verbatimModuleSyntax": true,
+    "stripInternal": true,
+    "strict": false,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noPropertyAccessFromIndexSignature": false,
+    "exactOptionalPropertyTypes": false,
+  }
+}
diff --git a/vitest.config.js b/vitest.config.ts
similarity index 100%
rename from vitest.config.js
rename to vitest.config.ts
diff --git a/web_src/js/components/.eslintrc.yaml b/web_src/js/components/.eslintrc.yaml
deleted file mode 100644
index a79e96f330..0000000000
--- a/web_src/js/components/.eslintrc.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-plugins:
-  - eslint-plugin-vue
-  - eslint-plugin-vue-scoped-css
-
-extends:
-  - ../../../.eslintrc.yaml
-  - plugin:vue/vue3-recommended
-  - plugin:vue-scoped-css/vue3-recommended
-
-parserOptions:
-  sourceType: module
-  ecmaVersion: latest
-
-env:
-  browser: true
-
-rules:
-  vue/attributes-order: [0]
-  vue/html-closing-bracket-spacing: [2, {startTag: never, endTag: never, selfClosingTag: never}]
-  vue/max-attributes-per-line: [0]
-  vue/singleline-html-element-content-newline: [0]
-  vue-scoped-css/enforce-style-type: [0]
diff --git a/web_src/js/components/RepoActionView.vue b/web_src/js/components/RepoActionView.vue
index 7f6524c7e3..97dc0d950f 100644
--- a/web_src/js/components/RepoActionView.vue
+++ b/web_src/js/components/RepoActionView.vue
@@ -797,7 +797,7 @@ export function initRepositoryActionView() {
 }
 </style>
 
-<style>
+<style> /* eslint-disable-line vue-scoped-css/enforce-style-type */
 /* some elements are not managed by vue, so we need to use global style */
 .job-status-rotate {
   animation: job-status-rotate-keyframes 1s linear infinite;
diff --git a/web_src/js/features/repo-code.js b/web_src/js/features/repo-code.js
index 7c74c253a2..f0f4ead125 100644
--- a/web_src/js/features/repo-code.js
+++ b/web_src/js/features/repo-code.js
@@ -153,7 +153,7 @@ export function initRepoCodeView() {
     });
 
     $(window).on('hashchange', () => {
-      let m = window.location.hash.match(rangeAnchorRegex);
+      let m = rangeAnchorRegex.exec(window.location.hash.match);
       const $linesEls = $(getLineEls());
       let $first;
       if (m) {
@@ -170,7 +170,7 @@ export function initRepoCodeView() {
           return;
         }
       }
-      m = window.location.hash.match(singleAnchorRegex);
+      m = singleAnchorRegex.exec(window.location.hash.match);
       if (m) {
         $first = $linesEls.filter(`[rel=L${m[2]}]`);
         if ($first.length) {
diff --git a/web_src/js/webcomponents/overflow-menu.js b/web_src/js/webcomponents/overflow-menu.js
index 9fe8caba44..0e91db6575 100644
--- a/web_src/js/webcomponents/overflow-menu.js
+++ b/web_src/js/webcomponents/overflow-menu.js
@@ -4,7 +4,7 @@ import {isDocumentFragmentOrElementNode} from '../utils/dom.js';
 import octiconKebabHorizontal from '../../../public/assets/img/svg/octicon-kebab-horizontal.svg';
 
 window.customElements.define('overflow-menu', class extends HTMLElement {
-  updateItems = throttle(100, () => {
+  updateItems = throttle(100, () => { // eslint-disable-line unicorn/consistent-function-scoping -- https://github.com/sindresorhus/eslint-plugin-unicorn/issues/2088
     if (!this.tippyContent) {
       const div = document.createElement('div');
       div.classList.add('tippy-target');