fix(lit-query): migrate to standard tsup build so 'build' output is cached by nx and 'test:build' passes

Author: sukvvon

.changeset/lit-query-standard-tsup-build.md

@@ -0,0 +1,5 @@
+---
+'@tanstack/lit-query': patch
+---
+
+fix(lit-query): migrate to the standard tsup build so the `build` output is cached by nx and `test:build` passes

.gitignore

@@ -10,7 +10,6 @@ yarn.lock
 build
 coverage
 dist
-dist-cjs
 dist-ts
 
 # misc

packages/lit-query/eslint.config.js

@@ -8,13 +8,12 @@ import tseslint from 'typescript-eslint'
 export default tseslint.config(
   {
     ignores: [
-      'dist/**',
+      'build/**',
       'coverage/**',
       'node_modules/**',
       '.claude/**',
       '.references/**',
-      '**/dist/**',
-      '**/dist-cjs/**',
+      '**/build/**',
       'examples/**/output/**',
       '**/*.d.ts',
     ],

packages/lit-query/package.json

@@ -15,44 +15,40 @@
     "url": "https://github.com/sponsors/tannerlinsley"
   },
   "type": "module",
-  "main": "dist-cjs/index.js",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
+  "types": "build/legacy/index.d.ts",
+  "main": "build/legacy/index.cjs",
+  "module": "build/legacy/index.js",
   "sideEffects": false,
   "files": [
-    "dist",
-    "dist-cjs",
-    "src/**/*.ts",
-    "!src/tests/**/*"
+    "build",
+    "src",
+    "!src/tests"
   ],
   "exports": {
     ".": {
       "@tanstack/custom-condition": "./src/index.ts",
       "import": {
-        "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "types": "./build/modern/index.d.ts",
+        "default": "./build/modern/index.js"
       },
       "require": {
-        "types": "./dist-cjs/index.d.cts",
-        "default": "./dist-cjs/index.js"
-      },
-      "default": "./dist/index.js"
+        "types": "./build/modern/index.d.cts",
+        "default": "./build/modern/index.cjs"
+      }
     },
     "./package.json": "./package.json"
   },
   "scripts": {
+    "clean": "premove ./build ./coverage",
     "compile": "node ../../node_modules/typescript/lib/tsc.js --build",
-    "build:deps": "pnpm --dir ../query-core run build",
-    "build": "pnpm run build:deps && pnpm run build:esm && pnpm run build:cjs",
-    "build:esm": "node ../../node_modules/typescript/lib/tsc.js -p tsconfig.build.json",
-    "build:cjs": "node -e \"require('node:fs').rmSync('dist-cjs', { recursive: true, force: true })\" && node ../../node_modules/typescript/lib/tsc.js -p tsconfig.build.cjs.json && node scripts/write-cjs-package.mjs",
+    "build": "tsup --tsconfig tsconfig.prod.json",
     "test:types": "node ../../node_modules/typescript/lib/tsc.js --noEmit",
     "test:eslint": "eslint .",
     "lint:fix": "eslint . --fix",
     "test:lib": "vitest run",
     "test:lib:dev": "vitest",
     "test:watch": "pnpm run test:lib:dev",
-    "test:build": "publint --strict && attw --pack && node scripts/check-cjs-types-smoke.mjs",
+    "test:build": "publint --strict && attw --pack",
     "measure:bundle": "pnpm run build && node scripts/measure-bundle.mjs",
     "measure:bundle:raw": "node scripts/measure-bundle.mjs",
     "perf:l3": "pnpm run build && node scripts/l3-stress.mjs",

packages/lit-query/root.tsup.config.js

@@ -0,0 +1 @@
+../../scripts/getTsupConfig.js

packages/lit-query/scripts/check-cjs-types-smoke.mjs

@@ -1,5 +1,5 @@
 import { QueryClient } from '@tanstack/query-core'
-import { createQueryController } from '../dist/index.js'
+import { createQueryController } from '../build/modern/index.js'
 
 class TestControllerHost {
   controllers = new Set()

packages/lit-query/scripts/l3-stress.mjs

@@ -5,7 +5,7 @@ import { fileURLToPath } from 'node:url'
 
 const scriptDir = path.dirname(fileURLToPath(import.meta.url))
 const repoRoot = path.resolve(scriptDir, '..')
-const distDir = path.join(repoRoot, 'dist')
+const distDir = path.join(repoRoot, 'build', 'modern')
 const entryFile = path.join(distDir, 'index.js')
 
 async function getDirSizeBytes(dirPath) {