chore: replace ESLint with Oxlint

.gitignore

@@ -53,9 +53,6 @@ web_modules/
 # Optional npm cache directory
 .npm
 
-# Optional eslint cache
-.eslintcache
-
 # Optional stylelint cache
 .stylelintcache
 

.oxlintrc.json

@@ -0,0 +1,98 @@
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "options": {
+    "typeAware": true,
+    // typeCheck reports project TypeScript diagnostics that are already covered by
+    // package `test`/`vitest --typecheck` and are noisy across Svelte/pkg-utils configs
+    "typeCheck": false,
+    "denyWarnings": true,
+    "reportUnusedDisableDirectives": "error"
+  },
+  "ignorePatterns": [
+    "**/dist",
+    "**/dist-svelte",
+    "**/storybook-static",
+    "**/legacy",
+    "**/next-env.d.ts",
+    "**/sanity.types.ts",
+    // Apps were not covered by the previous per-package eslint setup
+    "apps/**",
+    // Oxlint has limited Svelte support; Svelte files keep framework-native checking
+    "**/*.svelte"
+  ],
+  "plugins": ["react", "unicorn", "typescript", "oxc", "import", "node"],
+  "jsPlugins": ["eslint-plugin-storybook"],
+  "categories": {
+    "correctness": "error",
+    "suspicious": "warn",
+    "perf": "error"
+  },
+  "rules": {
+    "typescript/ban-ts-comment": "error",
+    "typescript/prefer-ts-expect-error": "error",
+    "typescript/switch-exhaustiveness-check": "error",
+    "typescript/no-deprecated": "error",
+    "typescript/no-explicit-any": "off",
+    "typescript/no-empty-object-type": "off",
+    "typescript/no-unsafe-type-assertion": "off",
+    "typescript/no-unnecessary-type-assertion": "off",
+    "typescript/no-unnecessary-type-parameters": "off",
+    "typescript/no-redundant-type-constituents": "off",
+    "typescript/no-unnecessary-boolean-literal-compare": "off",
+    "typescript/no-unnecessary-template-expression": "off",
+    "typescript/no-unnecessary-type-arguments": "off",
+    // Type-checked rules that were not part of the previous eslint config
+    "typescript/no-base-to-string": "off",
+    "typescript/no-floating-promises": "off",
+    "typescript/await-thenable": "off",
+    "typescript/no-misused-spread": "off",
+    "typescript/restrict-template-expressions": "off",
+    "typescript/no-useless-default-assignment": "off",
+    "react-in-jsx-scope": "off",
+    "react/rules-of-hooks": "error",
+    "react/exhaustive-deps": "error",
+    "react/jsx-key": "error",
+    "react/react-compiler": "error",
+    "eslint/no-console": ["error", {"allow": ["warn", "error"]}],
+    "eslint/no-shadow": "off",
+    "import/no-unassigned-import": ["error", {"allow": ["**/*.css", "server-only"]}],
+    "consistent-return": "off",
+    "consistent-function-scoping": "off",
+    "eslint/no-underscore-dangle": "off",
+    // Requires polyfills for older browsers
+    "no-array-reverse": "off",
+    "no-array-sort": "off",
+    // Common in list rendering; not enforced by previous config
+    "react/no-array-index-key": "off",
+    // Perf suggestions that are often intentional
+    "oxc/no-map-spread": "off",
+    "oxc/no-accumulating-spread": "off"
+  },
+  "overrides": [
+    {
+      "files": ["**/*.stories.{js,jsx,mjs,cjs,ts,tsx}", "**/*.story.{js,jsx,mjs,cjs,ts,tsx}"],
+      "rules": {
+        "storybook/await-interactions": "error",
+        "storybook/context-in-play-function": "error",
+        "storybook/default-exports": "error",
+        "storybook/hierarchy-separator": "error",
+        "storybook/no-redundant-story-name": "error",
+        // Storybook 8 in this repo imports from @storybook/react
+        "storybook/no-renderer-packages": "off",
+        "storybook/prefer-pascal-case": "error",
+        "storybook/story-exports": "error",
+        "storybook/use-storybook-expect": "error",
+        "storybook/use-storybook-testing-library": "error"
+      }
+    },
+    {
+      "files": ["**/.storybook/main.{js,cjs,mjs,ts}"],
+      "rules": {
+        "storybook/no-uninstalled-addons": [
+          "error",
+          {"packageJsonLocation": "./packages/visual-editing/package.json"}
+        ]
+      }
+    }
+  ]
+}

apps/live-next/package.json

@@ -35,8 +35,5 @@
     "sonner": "^2.0.7",
     "tailwindcss": "catalog:tailwind3",
     "typescript": "catalog:"
-  },
-  "devDependencies": {
-    "eslint": "^8.57.1"
   }
 }

apps/next/package.json

@@ -24,7 +24,6 @@
     "@types/react-dom": "catalog:",
     "@vercel/stega": "^1.1.0",
     "@vercel/toolbar": "^0.2.6",
-    "eslint": "^8.57.1",
     "next": "^16.2.11",
     "next-sanity": "^13.1.7",
     "postcss": "8.5.10",

package.json

@@ -9,8 +9,8 @@
     "dev:page-builder-demo": "turbo run build --filter=page-builder-demo^... --filter=apps-studio^... && turbo watch dev --filter=page-builder-demo... --filter=apps-studio...",
     "format": "oxfmt . --no-error-on-unmatched-pattern",
     "knip": "knip",
-    "lint": "turbo run lint",
-    "lint:fix": "pnpm lint -- --fix",
+    "lint": "oxlint",
+    "lint:fix": "oxlint --fix --fix-suggestions",
     "preview": "turbo run preview",
     "report:react-compiler-healthcheck": "turbo run react-compiler-healthcheck",
     "storybook:visual-editing": "turbo run build --filter='@sanity/visual-editing^...' && turbo watch dev storybook --filter='@sanity/visual-editing...'",
@@ -26,8 +26,11 @@
     "@types/node": "catalog:",
     "@types/react": "catalog:",
     "@types/react-dom": "catalog:",
+    "eslint-plugin-storybook": "^10.5.5",
     "knip": "^5.88.1",
     "oxfmt": "^0.60.0",
+    "oxlint": "^1.76.0",
+    "oxlint-tsgolint": "^7.0.2001",
     "pkg-pr-new": "^0.0.60",
     "turbo": "^2.10.5",
     "typescript": "catalog:"
@@ -53,7 +56,6 @@
       "@sanity/visual-editing-csm": "workspace:*",
       "@types/react": "catalog:",
       "@types/react-dom": "catalog:",
-      "eslint-plugin-react-hooks": "catalog:",
       "groq": "catalog:",
       "sanity": "catalog:"
     }

packages/@repo/sanity-schema/package.json

@@ -33,7 +33,6 @@
   "scripts": {
     "build": "pkg build --strict --check --clean",
     "extract": "sanity schema extract --force --workspace shoes --path ../../../apps/next/schema.json && sanity schema extract --force --workspace live-demo --path ../../../apps/live-next/schema.json && sanity schema extract --force --workspace page-builder-demo --path ../../../apps/page-builder-demo/schema.json",
-    "lint": "eslint .",
     "prepack": "turbo run build"
   },
   "dependencies": {
@@ -42,7 +41,6 @@
     "react": "catalog:"
   },
   "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
     "@repo/package.config": "workspace:*",
     "@sanity/assist": "catalog:",
     "@sanity/color-input": "catalog:",
@@ -54,7 +52,6 @@
     "@sanity/visual-editing-csm": "workspace:*",
     "@types/react": "catalog:",
     "@types/react-dom": "catalog:",
-    "eslint": "^8.57.1",
     "rxjs": "catalog:",
     "sanity": "catalog:",
     "sanity-plugin-asset-source-unsplash": "catalog:",
@@ -70,11 +67,5 @@
     "sanity": "catalog:",
     "sanity-plugin-asset-source-unsplash": "catalog:"
   },
-  "browserslist": "extends @sanity/browserslist-config",
-  "eslintConfig": {
-    "extends": [
-      "@repo/eslint-config"
-    ],
-    "root": true
-  }
+  "browserslist": "extends @sanity/browserslist-config"
 }

packages/@repo/sanity-schema/src/live-demo/index.tsx

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
 import {assist} from '@sanity/assist'
 import {colorInput} from '@sanity/color-input'
 import {CogIcon} from '@sanity/icons/Cog'

packages/@repo/sanity-schema/src/page-builder-demo/PageSectionInput.tsx

@@ -123,6 +123,7 @@ export function PageSectionInput(props: ObjectInputProps): React.JSX.Element {
   )
 
   return (
+    // oxlint-disable-next-line typescript/no-deprecated
     <Stack space={5}>
       {symbolFieldMember && (
         <Card padding={4} style={{margin: '-20px -20px -20px'}}>

packages/@repo/sanity-schema/src/page-builder-demo/index.tsx

@@ -604,7 +604,6 @@ export const pageBuilderDemoPlugin = definePlugin<
         title: 'Basic page',
         schemaType: 'page',
         parameters: [{name: 'title', title: 'Page Title', type: 'string'}],
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
         value: (params: any) => {
           return {
             title: params.title,

packages/@repo/sanity-schema/src/performance-test/index.tsx

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
 import {definePlugin} from 'sanity'
 import {structureTool} from 'sanity/structure'
 

packages/@repo/studio-url/package.json

@@ -26,21 +26,13 @@
   },
   "scripts": {
     "build": "pkg build --strict --check --clean",
-    "lint": "eslint .",
     "prepack": "turbo run build"
   },
   "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
     "@repo/package.config": "workspace:*",
     "@sanity/pkg-utils": "catalog:",
     "@sanity/tsconfig": "catalog:",
     "typescript": "catalog:"
   },
-  "browserslist": "extends @sanity/browserslist-config",
-  "eslintConfig": {
-    "extends": [
-      "@repo/eslint-config"
-    ],
-    "root": true
-  }
+  "browserslist": "extends @sanity/browserslist-config"
 }

packages/@repo/studio-url/src/index.ts

@@ -1,4 +1,4 @@
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// oxlint-disable-next-line typescript/ban-ts-comment, typescript/prefer-ts-expect-error -- has to be exact @ts-ignore for string replacement to work
 // @ts-ignore has to be exact for string replacement to work
 const envUrl = process.env.VERCEL_BRANCH_URL
 const isStablePreviewBranch = envUrl?.includes('-git-preview')
@@ -7,7 +7,7 @@ const isLinearBranch = envUrl?.includes('-git-crx-')
 
 /** @public */
 export const studioUrl =
-  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+  // oxlint-disable-next-line typescript/ban-ts-comment, typescript/prefer-ts-expect-error -- has to be exact @ts-ignore for string replacement to work
   // @ts-ignore has to be exact for string replacement to work
   process.env.NODE_ENV === 'development'
     ? 'http://localhost:3333'

packages/core-loader/package.json

@@ -66,7 +66,6 @@
   "scripts": {
     "build": "pkg build --strict --check --clean",
     "dev": "pkg build --strict",
-    "lint": "eslint .",
     "prepack": "turbo run build",
     "test": "vitest --pass-with-no-tests --typecheck"
   },
@@ -77,26 +76,16 @@
     "@sanity/visual-editing-csm": "workspace:^"
   },
   "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
     "@repo/package.config": "workspace:*",
     "@sanity/pkg-utils": "catalog:",
     "@sanity/tsconfig": "catalog:",
-    "@typescript-eslint/eslint-plugin": "catalog:",
-    "@typescript-eslint/parser": "catalog:",
     "async-cache-dedupe": "2.2.0",
-    "eslint": "^8.57.1",
     "happy-dom": "^18.0.1",
     "nanostores": "1.0.1",
     "typescript": "catalog:",
     "vitest": "^3.2.4"
   },
   "browserslist": "extends @sanity/browserslist-config",
-  "eslintConfig": {
-    "extends": [
-      "@repo/eslint-config"
-    ],
-    "root": true
-  },
   "engines": {
     "node": ">=18"
   }

packages/core-loader/src/index.ts

@@ -21,6 +21,7 @@ export interface CreateQueryStoreOptions {
    * @example `import {createClient} from '@sanity/preview-kit/client'`
    * @example `import {createClient} from 'next-sanity'`
    */
+  // oxlint-disable-next-line typescript/no-deprecated
   client: SanityClient | import('@sanity/client/stega').SanityStegaClient | false
   /**
    * If you want all data fetching to be done server-side in production, set this to `true` and `client: false`.
@@ -50,6 +51,7 @@ export interface QueryStore {
    * When `ssr: true` you call this in your server entry point that imports the result of `createQueryStore` instance.
    * It's required to call it before any data fetching is done.
    */
+  // oxlint-disable-next-line typescript/no-deprecated
   setServerClient: (client: SanityClient | import('@sanity/client/stega').SanityStegaClient) => void
   enableLiveMode: EnableLiveMode
   /** @internal */
@@ -139,7 +141,6 @@ export const createQueryStore = (options: CreateQueryStoreOptions): QueryStore =
           .instance!.fetch(JSON.stringify({query, params}))
           .then((response) => {
             if (controller.signal.aborted) return
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
             $fetch.setKey('data', response.result as any)
             $fetch.setKey('sourceMap', response.resultSourceMap)
             $fetch.setKey('perspective', initialPerspective)