feat(workspace): add composite monorepo

Author: harry-whorlow

packages/form-core/package.json

@@ -34,6 +34,7 @@
   "module": "dist/esm/index.js",
   "exports": {
     ".": {
+      "@tanstack/custom-condition": "./src/index.ts",
       "import": {
         "types": "./dist/esm/index.d.ts",
         "default": "./dist/esm/index.js"
@@ -58,6 +59,7 @@
   "devDependencies": {
     "arktype": "^2.1.22",
     "valibot": "^1.1.0",
-    "zod": "^3.25.76"
+    "zod": "^3.25.76",
+    "vite-tsconfig-paths": "^5.1.4"
   }
 }

packages/form-core/tsconfig.json

@@ -1,8 +1,10 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "./dist",
+
     "moduleResolution": "Bundler"
-    // "noErrorTruncation": true
   },
-  "include": ["src", "tests", "eslint.config.js", "vite.config.ts"]
+  "include": ["src", "tests", "*.config.*", "package.json"]
 }

packages/form-core/tsconfig.prod.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "incremental": false,
+    "composite": false,
+    "rootDir": "../../"
+  }
+}

packages/form-core/vite.config.ts

@@ -1,8 +1,29 @@
 import { defineConfig, mergeConfig } from 'vitest/config'
+import tsconfigPaths from 'vite-tsconfig-paths'
+
 import { tanstackViteConfig } from '@tanstack/config/vite'
 import packageJson from './package.json'
 
 const config = defineConfig({
+  plugins: [
+    tsconfigPaths({
+      projects: ['./tsconfig.prod.json'],
+    }),
+  ],
+
+  // fix from https://github.com/vitest-dev/vitest/issues/6992#issuecomment-2509408660
+  resolve: {
+    conditions: ['@tanstack/custom-condition'],
+  },
+  environments: {
+    ssr: {
+      resolve: {
+        conditions: ['@tanstack/custom-condition'],
+      },
+    },
+  },
+
+  // tests
   test: {
     name: packageJson.name,
     dir: './tests',

packages/react-form/package.json

@@ -34,6 +34,7 @@
   "module": "dist/esm/index.js",
   "exports": {
     ".": {
+      "@tanstack/custom-condition": "./src/index.ts",
       "import": {
         "types": "./dist/esm/index.d.ts",
         "default": "./dist/esm/index.js"

packages/react-form/tsconfig.json

@@ -1,11 +1,13 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "./dist",
+    "baseUrl": ".",
+
     "jsx": "react-jsx",
-    "moduleResolution": "Bundler",
-    "paths": {
-      "@tanstack/form-core": ["../form-core/src"]
-    }
+    "moduleResolution": "Bundler"
   },
-  "include": ["src", "tests", "eslint.config.js", "vite.config.ts"]
+  "include": ["src", "tests", "*.config.*", "package.json"],
+  "references": [{ "path": "../form-core" }]
 }

packages/react-form/vite.config.ts

@@ -14,6 +14,17 @@ const config = defineConfig({
     coverage: { enabled: true, provider: 'istanbul', include: ['src/**/*'] },
     typecheck: { enabled: true },
   },
+  // fix from https://github.com/vitest-dev/vitest/issues/6992#issuecomment-2509408660
+  resolve: {
+    conditions: ['@tanstack/custom-condition'],
+  },
+  environments: {
+    ssr: {
+      resolve: {
+        conditions: ['@tanstack/custom-condition'],
+      },
+    },
+  },
 })
 
 export default mergeConfig(

pnpm-lock.yaml

@@ -6,14 +6,19 @@
     "allowUnreachableCode": false,
     "allowUnusedLabels": false,
     "checkJs": true,
+    "composite": true,
+    "customConditions": ["@tanstack/custom-condition"],
     "declaration": true,
+    "declarationMap": true,
+    "emitDeclarationOnly": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
+    "incremental": true,
     "isolatedModules": true,
     "lib": ["DOM", "DOM.Iterable", "ES2022"],
     "module": "ES2022",
     "moduleResolution": "Bundler",
-    "noEmit": true,
+    "noEmit": false,
     "noImplicitReturns": true,
     "noUncheckedIndexedAccess": true,
     "noUnusedLocals": false, // TODO enable