WIP - Isolated declarations

nx.json

@@ -67,7 +67,7 @@
     },
     "build": {
       "cache": true,
-      "dependsOn": ["^build"],
+      "dependsOn": [],
       "inputs": ["production", "^production"],
       "outputs": ["{projectRoot}/build", "{projectRoot}/dist"]
     },

package.json

@@ -23,7 +23,8 @@
     "benchmark:client-nav": "pnpm nx run @benchmarks/client-nav:test:perf",
     "benchmark:ssr": "pnpm nx run @benchmarks/ssr:test:perf",
     "build": "nx affected --target=build --exclude=e2e/** --exclude=examples/**",
-    "build:all": "nx run-many --target=build --exclude=examples/** --exclude=e2e/**",
+    "build:declarations": "node scripts/build-declarations.mjs",
+    "build:all": "pnpm run build:declarations && nx run-many --target=build --exclude=examples/** --exclude=e2e/**",
     "watch": "pnpm run build:all && nx watch --all -- pnpm run build:all",
     "dev": "pnpm run watch",
     "format": "prettier --experimental-cli --ignore-unknown '**/*' --write",
@@ -57,6 +58,7 @@
     "@types/node": "25.0.9",
     "@types/react": "^19.2.8",
     "@types/react-dom": "^19.2.3",
+    "@typescript/native-preview": "7.0.0-dev.20260327.2",
     "@vitest/browser": "^4.0.17",
     "@vitest/ui": "^4.0.17",
     "eslint": "^9.22.0",
@@ -71,14 +73,15 @@
     "react-dom": "^19.2.3",
     "redaxios": "^0.5.1",
     "rimraf": "^6.1.2",
+    "rolldown-plugin-dts": "^0.23.1",
     "tinyglobby": "^0.2.15",
     "typescript": "^6.0.2",
     "typescript55": "npm:typescript@5.5",
     "typescript56": "npm:typescript@5.6",
     "typescript57": "npm:typescript@5.7",
     "typescript58": "npm:typescript@5.8",
     "typescript59": "npm:typescript@5.9",
-    "vite": "^8.0.0",
+    "vite": "^8.0.3",
     "vitest": "^4.0.17"
   },
   "pnpm": {
@@ -134,6 +137,9 @@
       "@tanstack/router-utils": "workspace:*",
       "@tanstack/start-static-server-functions": "workspace:*",
       "@tanstack/nitro-v2-vite-plugin": "workspace:*"
+    },
+    "patchedDependencies": {
+      "@tanstack/vite-config": "patches/@tanstack__vite-config.patch"
     }
   }
 }

packages/arktype-adapter/tsconfig.build.json

@@ -1,7 +1,15 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "isolatedDeclarations": true,
+    "allowJs": false,
+    "checkJs": false,
+    "composite": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "declarationDir": "./dist/esm",
+    "noEmit": false
   },
   "include": ["src"]
 }

packages/arktype-adapter/tsconfig.build.tsbuildinfo

@@ -0,0 +1 @@
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packages/eslint-plugin-router/src/rules/create-route-property-order/constants.ts

@@ -9,10 +9,10 @@ export const createRouteFunctionsDirect = [
   'createRoute',
 ] as const
 
-export const createRouteFunctions = [
-  ...createRouteFunctionsDirect,
-  ...createRouteFunctionsIndirect,
-] as const
+export const createRouteFunctions: ReadonlyArray<
+  | (typeof createRouteFunctionsDirect)[number]
+  | (typeof createRouteFunctionsIndirect)[number]
+> = [...createRouteFunctionsDirect, ...createRouteFunctionsIndirect] as const
 
 export type CreateRouteFunction = (typeof createRouteFunctions)[number]
 
@@ -37,4 +37,5 @@ export const sortRules = [
 ] as const
 
 export type CheckedProperties = (typeof sortRules)[number][number][number]
-export const checkedProperties = getCheckedProperties(sortRules)
+export const checkedProperties: ReadonlyArray<CheckedProperties> =
+  getCheckedProperties(sortRules)

packages/eslint-plugin-router/src/rules/create-route-property-order/create-route-property-order.rule.ts

@@ -11,7 +11,7 @@ import {
 import type { CreateRouteFunction } from './constants'
 import type { ExtraRuleDocs } from '../../types'
 
-const createRule = ESLintUtils.RuleCreator<ExtraRuleDocs>(getDocsUrl)
+const createRule: ReturnType<typeof ESLintUtils.RuleCreator<ExtraRuleDocs>> = ESLintUtils.RuleCreator<ExtraRuleDocs>(getDocsUrl)
 
 const createRouteFunctionSet = new Set(createRouteFunctions)
 function isCreateRouteFunction(node: any): node is CreateRouteFunction {
@@ -20,7 +20,7 @@ function isCreateRouteFunction(node: any): node is CreateRouteFunction {
 
 export const name = 'create-route-property-order'
 
-export const rule = createRule({
+export const rule: ReturnType<typeof createRule> = createRule({
   name,
   meta: {
     type: 'problem',

packages/eslint-plugin-router/src/rules/route-param-names/constants.ts

@@ -21,10 +21,10 @@ export type PathAsPropertyFunction = (typeof pathAsPropertyFunctions)[number]
 /**
  * All route functions that need param name validation
  */
-export const allRouteFunctions = [
-  ...pathAsFirstArgFunctions,
-  ...pathAsPropertyFunctions,
-] as const
+export const allRouteFunctions: ReadonlyArray<
+  | (typeof pathAsFirstArgFunctions)[number]
+  | (typeof pathAsPropertyFunctions)[number]
+> = [...pathAsFirstArgFunctions, ...pathAsPropertyFunctions] as const
 
 export type RouteFunction = (typeof allRouteFunctions)[number]
 
@@ -33,4 +33,4 @@ export type RouteFunction = (typeof allRouteFunctions)[number]
  * Must start with letter, underscore, or dollar sign
  * Can contain letters, numbers, underscores, or dollar signs
  */
-export const VALID_PARAM_NAME_REGEX = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/
+export const VALID_PARAM_NAME_REGEX: RegExp = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/

packages/eslint-plugin-router/src/rules/route-param-names/route-param-names.rule.ts

@@ -7,14 +7,14 @@ import { pathAsFirstArgFunctions, pathAsPropertyFunctions } from './constants'
 import type { TSESTree } from '@typescript-eslint/utils'
 import type { ExtraRuleDocs } from '../../types'
 
-const createRule = ESLintUtils.RuleCreator<ExtraRuleDocs>(getDocsUrl)
+const createRule: ReturnType<typeof ESLintUtils.RuleCreator<ExtraRuleDocs>> = ESLintUtils.RuleCreator<ExtraRuleDocs>(getDocsUrl)
 
 const pathAsFirstArgSet = new Set<string>(pathAsFirstArgFunctions)
 const pathAsPropertySet = new Set<string>(pathAsPropertyFunctions)
 
 export const name = 'route-param-names'
 
-export const rule = createRule({
+export const rule: ReturnType<typeof createRule> = createRule({
   name,
   meta: {
     type: 'problem',

packages/eslint-plugin-router/tsconfig.build.json

@@ -1,7 +1,16 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "isolatedDeclarations": true,
+    "allowJs": false,
+    "checkJs": false,
+    "composite": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "declarationDir": "./dist/esm",
+    "noEmit": false
   },
-  "include": ["src"]
+  "include": ["src"],
+  "exclude": ["src/__tests__"]
 }

packages/history/tsconfig.build.json

@@ -1,7 +1,15 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "isolatedDeclarations": true,
+    "allowJs": false,
+    "checkJs": false,
+    "composite": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "declarationDir": "./dist/esm",
+    "noEmit": false
   },
   "include": ["src"]
 }