feat(ci): knip

.github/workflows/lint.yml

@@ -29,3 +29,18 @@ jobs:
         run: pnpm lint
         env:
           SKIP_ENV_VALIDATION: true
+  knip:
+    runs-on: blacksmith-2vcpu-ubuntu-2204
+    container:
+      image: node:22-slim
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98
+        with:
+          fetch-depth: 1
+      - name: pnpm setup
+        uses: pnpm/action-setup@9b5745cdf0a2e8c2620f0746130f809adb911c19
+      - name: Install packages
+        run: pnpm install --frozen-lockfile --prefer-offline
+      - name: Run Knip
+        run: pnpm knip

apps/demo/package.json

@@ -11,11 +11,9 @@
   "dependencies": {
     "@react-email/components": "workspace:*",
     "email-dev": "workspace:*",
-    "react": "catalog:",
-    "react-dom": "catalog:"
+    "react": "catalog:"
   },
   "devDependencies": {
-    "@react-email/preview-server": "workspace:*",
-    "next": "catalog:"
+    "@react-email/preview-server": "workspace:*"
   }
 }

apps/docs/package.json

@@ -6,7 +6,6 @@
     "dev": "mintlify dev"
   },
   "dependencies": {
-    "mintlify": "4.2.423",
-    "zod": "catalog:"
+    "mintlify": "4.2.423"
   }
 }

apps/web/package.json

@@ -13,7 +13,6 @@
   },
   "dependencies": {
     "@babel/parser": "catalog:",
-    "@babel/preset-typescript": "7.27.0",
     "@babel/traverse": "catalog:",
     "@radix-ui/react-popover": "catalog:",
     "@react-email/components": "workspace:*",
@@ -44,18 +43,17 @@
     "@radix-ui/react-tooltip": "catalog:",
     "@react-email/preview-server": "workspace:*",
     "@tailwindcss/postcss": "catalog:",
-    "@types/babel__core": "catalog:",
     "@types/babel__traverse": "catalog:",
     "@types/node": "catalog:",
     "@types/three": "0.170.0",
     "@vercel/firewall": "1.1.2",
     "classnames": "2.5.1",
     "html-to-ast": "0.0.6",
+    "jsdom": "29.0.0",
     "postcss": "catalog:",
     "tailwindcss": "catalog:",
     "tsconfig": "workspace:*",
     "typescript": "catalog:",
-    "webpack": "5.105.4",
     "zod": "catalog:"
   }
 }

apps/web/src/app/api/check-spam/testing/stripe-welcome-email.tsx

@@ -93,8 +93,6 @@ export const StripeWelcomeEmail = () => (
   </Html>
 );
 
-export default StripeWelcomeEmail;
-
 const main = {
   backgroundColor: '#f6f9fc',
   fontFamily:

apps/web/src/app/components/get-imported-components-for.tsx

@@ -75,7 +75,7 @@ export const getComponentElement = async (
   return patternModule.component as React.ReactElement;
 };
 
-export const getImportedComponent = async (
+const getImportedComponent = async (
   component: Component,
 ): Promise<ImportedComponent> => {
   const dirpath = getComponentPathFromSlug(component.slug);

apps/web/src/components/tooltip.tsx

@@ -2,7 +2,6 @@ import * as TooltipPrimitive from '@radix-ui/react-tooltip';
 import type * as React from 'react';
 import { TooltipContent } from './tooltip-content';
 
-export type TooltipProps = React.ComponentProps<typeof TooltipPrimitive.Root>;
 export const Tooltip = TooltipPrimitive.Root;
 
 const TooltipTrigger = TooltipPrimitive.TooltipTrigger;

apps/web/src/webgl/materials/MeshImageMaterial.ts

@@ -2,7 +2,7 @@ import { extend } from '@react-three/fiber';
 import * as THREE from 'three';
 import type { WebGLProgramParametersWithUniforms } from 'three/src/renderers/webgl/WebGLPrograms.js';
 
-export class MeshImageMaterial extends THREE.MeshBasicMaterial {
+class MeshImageMaterial extends THREE.MeshBasicMaterial {
   constructor(parameters: THREE.MeshBasicMaterialParameters = {}) {
     super(parameters);
   }

benchmarks/preview-server/package.json

@@ -17,7 +17,6 @@
     "tinybench": "catalog:"
   },
   "devDependencies": {
-    "tsconfig": "workspace:*",
     "typescript": "catalog:"
   }
 }

benchmarks/tailwind/src/emails/with-tailwind.tsx

@@ -18,7 +18,7 @@ const baseUrl = process.env.VERCEL_URL
   ? `https://${process.env.VERCEL_URL}`
   : '';
 
-export const GooglePlayPolicyUpdateEmailWithTailwind = ({
+const GooglePlayPolicyUpdateEmailWithTailwind = ({
   Tailwind,
 }: {
   Tailwind: React.FC<TailwindProps>;

benchmarks/tailwind/src/emails/without-tailwind.tsx

@@ -17,7 +17,7 @@ const baseUrl = process.env.VERCEL_URL
   ? `https://${process.env.VERCEL_URL}`
   : '';
 
-export const GooglePlayPolicyUpdateEmail = () => (
+const GooglePlayPolicyUpdateEmail = () => (
   <Html>
     <Head />
     <Body style={main}>

knip.json

@@ -0,0 +1,56 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema.json",
+  "ignoreExportsUsedInFile": {
+    "interface": true,
+    "type": true
+  },
+  "tags": ["-lintignore"],
+  "ignore": ["examples/**", "apps/web/public/**"],
+  "workspaces": {
+    ".": {
+      "entry": ["scripts/*.ts", "scripts/*.mts"]
+    },
+    "apps/demo": {
+      "entry": ["emails/**/*.tsx", "emails/**/*.ts"]
+    },
+    "apps/web": {
+      "entry": ["components/**/*.tsx", "src/illustrations/**/*.tsx"]
+    },
+    "benchmarks/preview-server": {
+      "entry": ["src/*.ts"]
+    },
+    "benchmarks/tailwind": {
+      "entry": ["src/*.tsx", "tailwind.config.js"]
+    },
+    "packages/create-email": {
+      "entry": ["template/**/*.tsx"],
+      "ignoreDependencies": ["@react-email/components"]
+    },
+    "packages/preview-server": {
+      "entry": [
+        "jsx-runtime/**",
+        "scripts/utils/default-seed/**/*.tsx",
+        "src/utils/caniemail/tailwind/tests/**",
+        "src/utils/testing/**"
+      ]
+    },
+    "packages/react-email": {
+      "entry": [
+        "src/commands/testing/**",
+        "src/utils/preview/hot-reloading/test/**"
+      ]
+    },
+    "packages/tailwind": {
+      "entry": ["e2e/**"],
+      "ignoreDependencies": ["@react-email/components", "next", "yalc"]
+    },
+    "packages/tsconfig": {
+      "ignoreDependencies": ["next"]
+    },
+    "playground": {
+      "entry": ["*.ts", "emails/**/*.tsx"]
+    }
+  },
+  "ignoreDependencies": ["@react-email/preview-server", "react-email"],
+  "exclude": ["duplicates", "optionalPeerDependencies"]
+}

package.json

@@ -6,6 +6,7 @@
     "build": "turbo run build",
     "canary:enter": "changeset pre enter canary",
     "canary:exit": "changeset pre exit",
+    "knip": "knip",
     "lint": "biome check",
     "lint:fix": "biome check --write .",
     "release": "turbo run build --filter=./packages/* && pnpm changeset publish",
@@ -17,27 +18,23 @@
     "@actions/core": "3.0.0",
     "@actions/exec": "3.0.0",
     "@actions/github": "9.0.0",
-    "@actions/http-client": "4.0.0",
     "@biomejs/biome": "2.3.11",
     "@changesets/cli": "2.30.0",
     "@changesets/pre": "2.0.2",
     "@manypkg/get-packages": "3.1.0",
-    "@octokit/core": "7.0.6",
     "@types/node": "catalog:",
     "@types/react": "catalog:",
     "@types/react-dom": "catalog:",
     "happy-dom": "20.8.3",
+    "knip": "5.75.2",
     "mdast-util-to-string": "4.0.0",
-    "nypm": "catalog:",
     "pkg-pr-new": "0.0.65",
-    "rollup": "4.59.0",
     "remark": "15.0.1",
     "tsconfig": "workspace:*",
     "tsdown": "catalog:",
     "tsx": "catalog:",
     "turbo": "2.8.13",
     "typescript": "catalog:",
-    "vite": "catalog:",
     "vitest": "4.0.17"
   },
   "pnpm": {

packages/code-block/package.json

@@ -43,7 +43,6 @@
     "react": "^18.0 || ^19.0 || ^19.0.0-rc"
   },
   "devDependencies": {
-    "@react-email/render": "workspace:*",
     "@types/prismjs": "1.26.5",
     "tsconfig": "workspace:*",
     "typescript": "catalog:"

packages/code-inline/package.json

@@ -42,7 +42,6 @@
     "react": "^18.0 || ^19.0 || ^19.0.0-rc"
   },
   "devDependencies": {
-    "@react-email/render": "workspace:*",
     "tsconfig": "workspace:*",
     "typescript": "catalog:"
   }

packages/create-email/package.json

@@ -31,7 +31,6 @@
   },
   "devDependencies": {
     "nypm": "catalog:",
-    "react": "catalog:",
     "tsconfig": "workspace:*",
     "typescript": "catalog:"
   }

packages/preview-server/package.json

@@ -30,13 +30,10 @@
     "next": "catalog:"
   },
   "devDependencies": {
-    "@babel/core": "7.26.10",
     "@babel/parser": "catalog:",
     "@babel/traverse": "catalog:",
     "@lottiefiles/dotlottie-react": "0.17.13",
-    "@radix-ui/colors": "catalog:",
     "@radix-ui/react-collapsible": "1.1.12",
-    "@radix-ui/react-dropdown-menu": "2.1.16",
     "@radix-ui/react-popover": "catalog:",
     "@radix-ui/react-slot": "catalog:",
     "@radix-ui/react-tabs": "catalog:",
@@ -57,16 +54,11 @@
     "@react-email/tailwind": "workspace:2.0.6",
     "@react-email/text": "workspace:*",
     "@tailwindcss/postcss": "catalog:",
-    "@types/babel__core": "catalog:",
     "@types/babel__traverse": "catalog:",
     "@types/css-tree": "catalog:",
-    "@types/fs-extra": "11.0.4",
-    "@types/mime-types": "catalog:",
     "@types/node": "catalog:",
-    "@types/normalize-path": "3.0.2",
     "@types/react": "catalog:",
     "@types/react-dom": "catalog:",
-    "@types/webpack": "5.28.5",
     "clsx": "2.1.1",
     "colorjs.io": "0.6.0",
     "cross-env": "10.1.0",
@@ -83,7 +75,6 @@
     "react-dom": "catalog:",
     "resend": "catalog:",
     "rimraf": "6.1.3",
-    "sharp": "0.34.5",
     "socket.io-client": "4.8.3",
     "sonner": "catalog:",
     "source-map-js": "1.2.1",