diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index 55a0f556f..293d435b1 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -13,6 +13,7 @@ parserOptions:
   ecmaVersion: latest
   project: true
   extraFileExtensions: [".vue"]
+  parser: "@typescript-eslint/parser" # for vue plugin - https://eslint.vuejs.org/user-guide/#how-to-use-a-custom-parser
 
 settings:
   import/extensions: [".js", ".ts"]
@@ -24,7 +25,9 @@ settings:
 plugins:
   - "@eslint-community/eslint-plugin-eslint-comments"
   - "@stylistic/eslint-plugin-js"
+  - "@typescript-eslint/eslint-plugin"
   - eslint-plugin-array-func
+  - eslint-plugin-deprecation
   - eslint-plugin-github
   - eslint-plugin-i
   - eslint-plugin-no-jquery
@@ -209,6 +212,123 @@ rules:
   "@stylistic/js/wrap-iife": [2, inside]
   "@stylistic/js/wrap-regex": [0]
   "@stylistic/js/yield-star-spacing": [2, after]
+  "@typescript-eslint/adjacent-overload-signatures": [0]
+  "@typescript-eslint/array-type": [0]
+  "@typescript-eslint/await-thenable": [2]
+  "@typescript-eslint/ban-ts-comment": [2, {'ts-expect-error': false, 'ts-ignore': true, 'ts-nocheck': false, 'ts-check': false}]
+  "@typescript-eslint/ban-tslint-comment": [0]
+  "@typescript-eslint/ban-types": [2, {extendDefaults: true, types: {Function: false}}]
+  "@typescript-eslint/class-literal-property-style": [0]
+  "@typescript-eslint/class-methods-use-this": [0]
+  "@typescript-eslint/consistent-generic-constructors": [0]
+  "@typescript-eslint/consistent-indexed-object-style": [0]
+  "@typescript-eslint/consistent-return": [0]
+  "@typescript-eslint/consistent-type-assertions": [2, {assertionStyle: as, objectLiteralTypeAssertions: allow}]
+  "@typescript-eslint/consistent-type-definitions": [2, type]
+  "@typescript-eslint/consistent-type-exports": [2, {fixMixedExportsWithInlineTypeSpecifier: false}]
+  "@typescript-eslint/consistent-type-imports": [2, {prefer: type-imports, fixStyle: separate-type-imports, disallowTypeAnnotations: true}]
+  "@typescript-eslint/default-param-last": [0]
+  "@typescript-eslint/dot-notation": [0]
+  "@typescript-eslint/explicit-function-return-type": [0]
+  "@typescript-eslint/explicit-member-accessibility": [0]
+  "@typescript-eslint/explicit-module-boundary-types": [0]
+  "@typescript-eslint/init-declarations": [0]
+  "@typescript-eslint/max-params": [0]
+  "@typescript-eslint/member-ordering": [0]
+  "@typescript-eslint/method-signature-style": [0]
+  "@typescript-eslint/naming-convention": [0]
+  "@typescript-eslint/no-array-constructor": [2]
+  "@typescript-eslint/no-array-delete": [2]
+  "@typescript-eslint/no-base-to-string": [0]
+  "@typescript-eslint/no-confusing-non-null-assertion": [2]
+  "@typescript-eslint/no-confusing-void-expression": [0]
+  "@typescript-eslint/no-dupe-class-members": [0]
+  "@typescript-eslint/no-duplicate-enum-values": [2]
+  "@typescript-eslint/no-duplicate-type-constituents": [2, {ignoreUnions: true}]
+  "@typescript-eslint/no-dynamic-delete": [0]
+  "@typescript-eslint/no-empty-function": [0]
+  "@typescript-eslint/no-empty-interface": [0]
+  "@typescript-eslint/no-explicit-any": [0]
+  "@typescript-eslint/no-extra-non-null-assertion": [2]
+  "@typescript-eslint/no-extraneous-class": [0]
+  "@typescript-eslint/no-floating-promises": [0]
+  "@typescript-eslint/no-for-in-array": [2]
+  "@typescript-eslint/no-implied-eval": [2]
+  "@typescript-eslint/no-import-type-side-effects": [0] # dupe with consistent-type-imports
+  "@typescript-eslint/no-inferrable-types": [0]
+  "@typescript-eslint/no-invalid-this": [0]
+  "@typescript-eslint/no-invalid-void-type": [0]
+  "@typescript-eslint/no-loop-func": [0]
+  "@typescript-eslint/no-loss-of-precision": [2]
+  "@typescript-eslint/no-magic-numbers": [0]
+  "@typescript-eslint/no-meaningless-void-operator": [0]
+  "@typescript-eslint/no-misused-new": [2]
+  "@typescript-eslint/no-misused-promises": [2, {checksVoidReturn: {attributes: false, arguments: false}}]
+  "@typescript-eslint/no-mixed-enums": [0]
+  "@typescript-eslint/no-namespace": [2]
+  "@typescript-eslint/no-non-null-asserted-nullish-coalescing": [0]
+  "@typescript-eslint/no-non-null-asserted-optional-chain": [2]
+  "@typescript-eslint/no-non-null-assertion": [0]
+  "@typescript-eslint/no-redeclare": [0]
+  "@typescript-eslint/no-redundant-type-constituents": [2]
+  "@typescript-eslint/no-require-imports": [0]
+  "@typescript-eslint/no-restricted-imports": [0]
+  "@typescript-eslint/no-shadow": [0]
+  "@typescript-eslint/no-this-alias": [0] # handled by unicorn/no-this-assignment
+  "@typescript-eslint/no-unnecessary-boolean-literal-compare": [0]
+  "@typescript-eslint/no-unnecessary-condition": [0]
+  "@typescript-eslint/no-unnecessary-qualifier": [0]
+  "@typescript-eslint/no-unnecessary-template-expression": [0]
+  "@typescript-eslint/no-unnecessary-type-arguments": [0]
+  "@typescript-eslint/no-unnecessary-type-assertion": [2]
+  "@typescript-eslint/no-unnecessary-type-constraint": [2]
+  "@typescript-eslint/no-unsafe-argument": [0]
+  "@typescript-eslint/no-unsafe-assignment": [0]
+  "@typescript-eslint/no-unsafe-call": [0]
+  "@typescript-eslint/no-unsafe-declaration-merging": [2]
+  "@typescript-eslint/no-unsafe-enum-comparison": [2]
+  "@typescript-eslint/no-unsafe-member-access": [0]
+  "@typescript-eslint/no-unsafe-return": [0]
+  "@typescript-eslint/no-unsafe-unary-minus": [2]
+  "@typescript-eslint/no-unused-expressions": [0]
+  "@typescript-eslint/no-unused-vars": [2, {vars: all, args: all, caughtErrors: all, ignoreRestSiblings: false, argsIgnorePattern: ^_, varsIgnorePattern: ^_, caughtErrorsIgnorePattern: ^_, destructuredArrayIgnorePattern: ^_}]
+  "@typescript-eslint/no-use-before-define": [0]
+  "@typescript-eslint/no-useless-constructor": [0]
+  "@typescript-eslint/no-useless-empty-export": [0]
+  "@typescript-eslint/no-var-requires": [2]
+  "@typescript-eslint/non-nullable-type-assertion-style": [0]
+  "@typescript-eslint/only-throw-error": [2]
+  "@typescript-eslint/parameter-properties": [0]
+  "@typescript-eslint/prefer-as-const": [2]
+  "@typescript-eslint/prefer-destructuring": [0]
+  "@typescript-eslint/prefer-enum-initializers": [0]
+  "@typescript-eslint/prefer-find": [2]
+  "@typescript-eslint/prefer-for-of": [2]
+  "@typescript-eslint/prefer-function-type": [2]
+  "@typescript-eslint/prefer-includes": [2]
+  "@typescript-eslint/prefer-literal-enum-member": [0]
+  "@typescript-eslint/prefer-namespace-keyword": [0]
+  "@typescript-eslint/prefer-nullish-coalescing": [0]
+  "@typescript-eslint/prefer-optional-chain": [2, {requireNullish: true}]
+  "@typescript-eslint/prefer-promise-reject-errors": [0]
+  "@typescript-eslint/prefer-readonly": [0]
+  "@typescript-eslint/prefer-readonly-parameter-types": [0]
+  "@typescript-eslint/prefer-reduce-type-parameter": [0]
+  "@typescript-eslint/prefer-regexp-exec": [0]
+  "@typescript-eslint/prefer-return-this-type": [0]
+  "@typescript-eslint/prefer-string-starts-ends-with": [2, {allowSingleElementEquality: always}]
+  "@typescript-eslint/promise-function-async": [0]
+  "@typescript-eslint/require-array-sort-compare": [0]
+  "@typescript-eslint/require-await": [0]
+  "@typescript-eslint/restrict-plus-operands": [2]
+  "@typescript-eslint/restrict-template-expressions": [0]
+  "@typescript-eslint/return-await": [0]
+  "@typescript-eslint/strict-boolean-expressions": [0]
+  "@typescript-eslint/switch-exhaustiveness-check": [0]
+  "@typescript-eslint/triple-slash-reference": [2]
+  "@typescript-eslint/typedef": [0]
+  "@typescript-eslint/unbound-method": [2]
+  "@typescript-eslint/unified-signatures": [2]
   accessor-pairs: [2]
   array-callback-return: [2, {checkForEach: true}]
   array-func/avoid-reverse: [2]
@@ -230,6 +350,7 @@ rules:
   default-case-last: [2]
   default-case: [0]
   default-param-last: [0]
+  deprecation/deprecation: [2]
   dot-notation: [0]
   eqeqeq: [2]
   for-direction: [2]
@@ -321,7 +442,7 @@ rules:
   multiline-comment-style: [2, separate-lines]
   new-cap: [0]
   no-alert: [0]
-  no-array-constructor: [2]
+  no-array-constructor: [0] # handled by @typescript-eslint/no-array-constructor
   no-async-promise-executor: [0]
   no-await-in-loop: [0]
   no-bitwise: [0]
@@ -365,7 +486,7 @@ rules:
   no-global-assign: [2]
   no-implicit-coercion: [2]
   no-implicit-globals: [0]
-  no-implied-eval: [2]
+  no-implied-eval: [0] # handled by @typescript-eslint/no-implied-eval
   no-import-assign: [2]
   no-inline-comments: [0]
   no-inner-declarations: [2]
@@ -471,7 +592,7 @@ rules:
   no-lone-blocks: [2]
   no-lonely-if: [0]
   no-loop-func: [0]
-  no-loss-of-precision: [2]
+  no-loss-of-precision: [0] # handled by @typescript-eslint/no-loss-of-precision
   no-magic-numbers: [0]
   no-misleading-character-class: [2]
   no-multi-assign: [0]
@@ -493,7 +614,7 @@ rules:
   no-promise-executor-return: [0]
   no-proto: [2]
   no-prototype-builtins: [2]
-  no-redeclare: [2]
+  no-redeclare: [0] # must be disabled for typescript overloads
   no-regex-spaces: [2]
   no-restricted-exports: [0]
   no-restricted-globals: [2, addEventListener, blur, close, closed, confirm, defaultStatus, defaultstatus, error, event, external, find, focus, frameElement, frames, history, innerHeight, innerWidth, isFinite, isNaN, length, location, locationbar, menubar, moveBy, moveTo, name, onblur, onerror, onfocus, onload, onresize, onunload, open, opener, opera, outerHeight, outerWidth, pageXOffset, pageYOffset, parent, print, removeEventListener, resizeBy, resizeTo, screen, screenLeft, screenTop, screenX, screenY, scroll, scrollbars, scrollBy, scrollTo, scrollX, scrollY, self, status, statusbar, stop, toolbar, top, __dirname, __filename]
@@ -526,7 +647,7 @@ rules:
   no-unused-expressions: [2]
   no-unused-labels: [2]
   no-unused-private-class-members: [2]
-  no-unused-vars: [2, {args: all, argsIgnorePattern: ^_, varsIgnorePattern: ^_, caughtErrorsIgnorePattern: ^_, destructuredArrayIgnorePattern: ^_, ignoreRestSiblings: false}]
+  no-unused-vars: [0] # handled by @typescript-eslint/no-unused-vars
   no-use-before-define: [2, {functions: false, classes: true, variables: true, allowNamedExports: true}]
   no-use-extend-native/no-use-extend-native: [2]
   no-useless-backreference: [2]
@@ -641,7 +762,7 @@ rules:
   regexp/unicode-escape: [0]
   regexp/use-ignore-case: [0]
   require-atomic-updates: [0]
-  require-await: [0]
+  require-await: [0] # handled by @typescript-eslint/require-await
   require-unicode-regexp: [0]
   require-yield: [2]
   sonarjs/cognitive-complexity: [0]
diff --git a/docs/content/contributing/guidelines-frontend.en-us.md b/docs/content/contributing/guidelines-frontend.en-us.md
index a08098a93..5539532c5 100644
--- a/docs/content/contributing/guidelines-frontend.en-us.md
+++ b/docs/content/contributing/guidelines-frontend.en-us.md
@@ -79,6 +79,22 @@ We use htmx for simple interactions. You can see an example for simple interacti
 Although mixing different frameworks is discouraged,
 it should also work if the mixing is necessary and the code is well-designed and maintainable.
 
+### Typescript
+
+Gitea is in the process of migrating to type-safe Typescript. Here are some specific guidelines regarding Typescript in the codebase:
+
+#### Use type aliases instead of interfaces
+
+Prefer to use type aliases because they can represent any type and are generally more flexible to use than interfaces.
+
+#### Use separate type imports
+
+We use `verbatimModuleSyntax` so type and non-type imports from the same file must be split into two `import type` statements. This enables the typescript compiler to completely eliminate the type import statements during compilation.
+
+#### Use `@ts-expect-error` instead of `@ts-ignore`
+
+Both annotations should be avoided, but if you have to use them, use `@ts-expect-error` because it will not leave ineffective statements after the issue is fixed.
+
 ### `async` Functions
 
 Only mark a function as `async` if and only if there are `await` calls
diff --git a/package-lock.json b/package-lock.json
index 3102d0223..502489e72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -69,11 +69,13 @@
         "@stoplight/spectral-cli": "6.11.1",
         "@stylistic/eslint-plugin-js": "2.2.1",
         "@stylistic/stylelint-plugin": "2.1.2",
+        "@typescript-eslint/eslint-plugin": "7.14.1",
         "@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-deprecation": "3.0.0",
         "eslint-plugin-github": "5.0.1",
         "eslint-plugin-i": "2.29.1",
         "eslint-plugin-no-jquery": "3.0.1",
@@ -2370,16 +2372,17 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "7.13.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.13.1.tgz",
-      "integrity": "sha512-kZqi+WZQaZfPKnsflLJQCz6Ze9FFSMfXrrIOcyargekQxG37ES7DJNpJUE9Q/X5n3yTIP/WPutVNzgknQ7biLg==",
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.14.1.tgz",
+      "integrity": "sha512-aAJd6bIf2vvQRjUG3ZkNXkmBpN+J7Wd0mfQiiVCJMu9Z5GcZZdcc0j8XwN/BM97Fl7e3SkTXODSk4VehUv7CGw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "7.13.1",
-        "@typescript-eslint/type-utils": "7.13.1",
-        "@typescript-eslint/utils": "7.13.1",
-        "@typescript-eslint/visitor-keys": "7.13.1",
+        "@typescript-eslint/scope-manager": "7.14.1",
+        "@typescript-eslint/type-utils": "7.14.1",
+        "@typescript-eslint/utils": "7.14.1",
+        "@typescript-eslint/visitor-keys": "7.14.1",
         "graphemer": "^1.4.0",
         "ignore": "^5.3.1",
         "natural-compare": "^1.4.0",
@@ -2431,7 +2434,7 @@
         }
       }
     },
-    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/scope-manager": {
+    "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==",
@@ -2449,7 +2452,35 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
-    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/types": {
+    "node_modules/@typescript-eslint/type-utils": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.14.1.tgz",
+      "integrity": "sha512-/MzmgNd3nnbDbOi3LfasXWWe292+iuo+umJ0bCCMCPc1jLO/z2BQmWUUUXvXLbrQey/JgzdF/OV+I5bzEGwJkQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/typescript-estree": "7.14.1",
+        "@typescript-eslint/utils": "7.14.1",
+        "debug": "^4.3.4",
+        "ts-api-utils": "^1.3.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.56.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "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==",
@@ -2463,7 +2494,7 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
-    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/typescript-estree": {
+    "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==",
@@ -2492,7 +2523,30 @@
         }
       }
     },
-    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/visitor-keys": {
+    "node_modules/@typescript-eslint/utils": {
+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-7.14.1.tgz",
+      "integrity": "sha512-CMmVVELns3nak3cpJhZosDkm63n+DwBlDX8g0k4QUa9BMnF+lH2lr3d130M1Zt1xxmB3LLk3NV7KQCq86ZBBhQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.4.0",
+        "@typescript-eslint/scope-manager": "7.14.1",
+        "@typescript-eslint/types": "7.14.1",
+        "@typescript-eslint/typescript-estree": "7.14.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || >=20.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.56.0"
+      }
+    },
+    "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==",
@@ -2510,148 +2564,12 @@
         "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",
-      "integrity": "sha512-adbXNVEs6GmbzaCpymHQ0MB6E4TqoiVbC0iqG3uijR8ZYfpAXMGttouQzF4Oat3P2GxDVIrg7bMI/P65LiQZdg==",
-      "dev": true,
-      "dependencies": {
-        "@typescript-eslint/types": "7.13.1",
-        "@typescript-eslint/visitor-keys": "7.13.1"
-      },
-      "engines": {
-        "node": "^18.18.0 || >=20.0.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/typescript-eslint"
-      }
-    },
-    "node_modules/@typescript-eslint/type-utils": {
-      "version": "7.13.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.13.1.tgz",
-      "integrity": "sha512-aWDbLu1s9bmgPGXSzNCxELu+0+HQOapV/y+60gPXafR8e2g1Bifxzevaa+4L2ytCWm+CHqpELq4CSoN9ELiwCg==",
-      "dev": true,
-      "dependencies": {
-        "@typescript-eslint/typescript-estree": "7.13.1",
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-        "url": "https://opencollective.com/typescript-eslint"
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-        "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"
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-        "url": "https://opencollective.com/typescript-eslint"
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-        "typescript": {
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-        }
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-      "dev": true,
-      "dependencies": {
-        "@eslint-community/eslint-utils": "^4.4.0",
-        "@typescript-eslint/scope-manager": "7.13.1",
-        "@typescript-eslint/types": "7.13.1",
-        "@typescript-eslint/typescript-estree": "7.13.1"
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-        "url": "https://opencollective.com/typescript-eslint"
-      },
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-        "eslint": "^8.56.0"
-      }
-    },
-    "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "7.13.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.13.1.tgz",
-      "integrity": "sha512-k/Bfne7lrP7hcb7m9zSsgcBmo+8eicqqfNAJ7uUY+jkTFpKeH2FSkWpFRtimBxgkyvqfu9jTPRbYOvud6isdXA==",
-      "dev": true,
-      "dependencies": {
-        "@typescript-eslint/types": "7.13.1",
-        "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/visitor-keys/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"
       },
@@ -5513,6 +5431,22 @@
         "eslint": ">=8.40.0"
       }
     },
+    "node_modules/eslint-plugin-deprecation": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-deprecation/-/eslint-plugin-deprecation-3.0.0.tgz",
+      "integrity": "sha512-JuVLdNg/uf0Adjg2tpTyYoYaMbwQNn/c78P1HcccokvhtRphgnRjZDKmhlxbxYptppex03zO76f97DD/yQHv7A==",
+      "dev": true,
+      "license": "LGPL-3.0-or-later",
+      "dependencies": {
+        "@typescript-eslint/utils": "^7.0.0",
+        "ts-api-utils": "^1.3.0",
+        "tslib": "^2.3.1"
+      },
+      "peerDependencies": {
+        "eslint": "^8.0.0",
+        "typescript": "^4.2.4 || ^5.0.0"
+      }
+    },
     "node_modules/eslint-plugin-escompat": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-escompat/-/eslint-plugin-escompat-3.4.0.tgz",
diff --git a/package.json b/package.json
index ec1500fb8..e44415ee3 100644
--- a/package.json
+++ b/package.json
@@ -68,11 +68,13 @@
     "@stoplight/spectral-cli": "6.11.1",
     "@stylistic/eslint-plugin-js": "2.2.1",
     "@stylistic/stylelint-plugin": "2.1.2",
+    "@typescript-eslint/eslint-plugin": "7.14.1",
     "@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-deprecation": "3.0.0",
     "eslint-plugin-github": "5.0.1",
     "eslint-plugin-i": "2.29.1",
     "eslint-plugin-no-jquery": "3.0.1",
diff --git a/tests/e2e/example.test.e2e.ts b/tests/e2e/example.test.e2e.ts
index 32813b393..1689f1b8e 100644
--- a/tests/e2e/example.test.e2e.ts
+++ b/tests/e2e/example.test.e2e.ts
@@ -7,21 +7,21 @@ test.beforeAll(async ({browser}, workerInfo) => {
 
 test('homepage', async ({page}) => {
   const response = await page.goto('/');
-  await expect(response?.status()).toBe(200); // Status OK
+  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('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-${workerInfo.workerIndex}`);
-  await page.type('input[name=email]', `e2e-test-${workerInfo.workerIndex}@test.com`);
-  await page.type('input[name=password]', 'test123test123');
-  await page.type('input[name=retype]', 'test123test123');
+  expect(response?.status()).toBe(200); // Status OK
+  await page.locator('input[name=user_name]').fill(`e2e-test-${workerInfo.workerIndex}`);
+  await page.locator('input[name=email]').fill(`e2e-test-${workerInfo.workerIndex}@test.com`);
+  await page.locator('input[name=password]').fill('test123test123');
+  await page.locator('input[name=retype]').fill('test123test123');
   await page.click('form button.ui.primary.button:visible');
   // Make sure we routed to the home page. Else login failed.
-  await expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
+  expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
   await expect(page.locator('.secondary-nav span>img.ui.avatar')).toBeVisible();
   await expect(page.locator('.ui.positive.message.flash-success')).toHaveText('Account was successfully created. Welcome!');
 
@@ -30,15 +30,15 @@ test('register', async ({page}, workerInfo) => {
 
 test('login', async ({page}, workerInfo) => {
   const response = await page.goto('/user/login');
-  await expect(response?.status()).toBe(200); // Status OK
+  expect(response?.status()).toBe(200); // Status OK
 
-  await page.type('input[name=user_name]', `user2`);
-  await page.type('input[name=password]', `password`);
+  await page.locator('input[name=user_name]').fill(`user2`);
+  await page.locator('input[name=password]').fill(`password`);
   await page.click('form button.ui.primary.button:visible');
 
   await page.waitForLoadState('networkidle'); // eslint-disable-line playwright/no-networkidle
 
-  await expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
+  expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
 
   save_visual(page);
 });
@@ -50,7 +50,7 @@ test('logged in user', async ({browser}, workerInfo) => {
   await page.goto('/');
 
   // Make sure we routed to the home page. Else login failed.
-  await expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
+  expect(page.url()).toBe(`${workerInfo.project.use.baseURL}/`);
 
   save_visual(page);
 });
diff --git a/tests/e2e/utils_e2e.ts b/tests/e2e/utils_e2e.ts
index 5678c9c9d..14ec83660 100644
--- a/tests/e2e/utils_e2e.ts
+++ b/tests/e2e/utils_e2e.ts
@@ -14,7 +14,7 @@ export async function login_user(browser, workerInfo, user) {
   // Route to login page
   // Note: this could probably be done more quickly with a POST
   const response = await page.goto('/user/login');
-  await expect(response?.status()).toBe(200); // Status OK
+  expect(response?.status()).toBe(200); // Status OK
 
   // Fill out form
   await page.type('input[name=user_name]', user);
@@ -23,7 +23,7 @@ export async function login_user(browser, workerInfo, user) {
 
   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}/`);
+  expect(page.url(), {message: `Failed to login user ${user}`}).toBe(`${workerInfo.project.use.baseURL}/`);
 
   // Save state
   await context.storageState({path: `${ARTIFACTS_PATH}/state-${user}-${workerInfo.workerIndex}.json`});
diff --git a/web_src/js/components/RepoActionView.vue b/web_src/js/components/RepoActionView.vue
index 97dc0d950..e751018f9 100644
--- a/web_src/js/components/RepoActionView.vue
+++ b/web_src/js/components/RepoActionView.vue
@@ -89,7 +89,9 @@ const sfc = {
     // load job data and then auto-reload periodically
     // need to await first loadJob so this.currentJobStepsStates is initialized and can be used in hashChangeListener
     await this.loadJob();
-    this.intervalID = setInterval(this.loadJob, 1000);
+    this.intervalID = setInterval(() => {
+      this.loadJob();
+    }, 1000);
     document.body.addEventListener('click', this.closeDropdown);
     this.hashChangeListener();
     window.addEventListener('hashchange', this.hashChangeListener);
diff --git a/web_src/js/features/repo-code.js b/web_src/js/features/repo-code.js
index f0f4ead12..658fa7e11 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 = rangeAnchorRegex.exec(window.location.hash.match);
+      let m = rangeAnchorRegex.exec(window.location.hash);
       const $linesEls = $(getLineEls());
       let $first;
       if (m) {
@@ -170,7 +170,7 @@ export function initRepoCodeView() {
           return;
         }
       }
-      m = singleAnchorRegex.exec(window.location.hash.match);
+      m = singleAnchorRegex.exec(window.location.hash);
       if (m) {
         $first = $linesEls.filter(`[rel=L${m[2]}]`);
         if ($first.length) {
diff --git a/web_src/js/features/repo-findfile.js b/web_src/js/features/repo-findfile.js
index 945eeecef..828acfa65 100644
--- a/web_src/js/features/repo-findfile.js
+++ b/web_src/js/features/repo-findfile.js
@@ -55,8 +55,8 @@ export function filterRepoFilesWeighted(files, filter) {
     const filterLower = filter.toLowerCase();
     // TODO: for large repo, this loop could be slow, maybe there could be one more limit:
     // ... && filterResult.length < threshold * 20,  wait for more feedbacks
-    for (let i = 0; i < files.length; i++) {
-      const res = strSubMatch(files[i], filterLower);
+    for (const file of files) {
+      const res = strSubMatch(file, filterLower);
       if (res.length > 1) { // length==1 means unmatched, >1 means having matched sub strings
         filterResult.push({matchResult: res, matchWeight: calcMatchedWeight(res)});
       }
diff --git a/web_src/js/features/repo-home.js b/web_src/js/features/repo-home.js
index f48c1b1bb..3a8e41bde 100644
--- a/web_src/js/features/repo-home.js
+++ b/web_src/js/features/repo-home.js
@@ -102,16 +102,16 @@ export function initRepoTopicBar() {
 
         if (res.topics) {
           let found = false;
-          for (let i = 0; i < res.topics.length; i++) {
+          for (const {topic_name} of res.topics) {
             // skip currently added tags
-            if (current_topics.includes(res.topics[i].topic_name)) {
+            if (current_topics.includes(topic_name)) {
               continue;
             }
 
-            if (res.topics[i].topic_name.toLowerCase() === query.toLowerCase()) {
+            if (topic_name.toLowerCase() === query.toLowerCase()) {
               found_query = true;
             }
-            formattedResponse.results.push({description: res.topics[i].topic_name, 'data-value': res.topics[i].topic_name});
+            formattedResponse.results.push({description: topic_name, 'data-value': topic_name});
             found = true;
           }
           formattedResponse.success = found;
diff --git a/web_src/js/utils/dom.js b/web_src/js/utils/dom.js
index 9bdb23323..8d75c724d 100644
--- a/web_src/js/utils/dom.js
+++ b/web_src/js/utils/dom.js
@@ -270,7 +270,7 @@ export function replaceTextareaSelection(textarea, text) {
 
   textarea.contentEditable = 'true';
   try {
-    success = document.execCommand('insertText', false, text);
+    success = document.execCommand('insertText', false, text); // eslint-disable-line deprecation/deprecation
   } catch {
     success = false;
   }