Migrating build system from tsup to rslib

.gitignore

@@ -103,8 +103,6 @@ web_modules/
 # Optional npm cache directory
 .npm
 
-# Optional eslint cache
-.eslintcache
 
 # Optional stylelint cache
 .stylelintcache

configs/renovate-config/default.json

@@ -157,15 +157,15 @@
     },
     {
       "description": "TypeScript and related packages",
-      "matchPackageNames": ["typescript", "@types/*", "ts-node", "tsx", "tsup"],
+      "matchPackageNames": ["typescript", "@types/*", "ts-node", "tsx", "@rslib/*", "@rsbuild/*"],
       "matchUpdateTypes": ["minor", "patch"],
       "labels": ["dependencies", "renovate", "typescript", "priority-medium"],
       "commitMessagePrefix": "chore(typescript):",
       "groupName": "TypeScript packages"
     },
     {
       "description": "Major TypeScript and related packages - manual review",
-      "matchPackageNames": ["typescript", "@types/*", "ts-node", "tsx", "tsup"],
+      "matchPackageNames": ["typescript", "@types/*", "ts-node", "tsx", "@rslib/*", "@rsbuild/*"],
       "matchUpdateTypes": ["major"],
       "labels": ["dependencies", "renovate", "major-update", "typescript", "priority-high"],
       "automerge": false,

docs/ADDING_PACKAGES.md

@@ -75,7 +75,7 @@ Use an existing sibling package as a template. Here are the critical fields:
 
 ## Step 3 — Add Package Content
 
-Write your config files, source code, or whatever the package exports. For a config package, the entry point is usually a JSON file. For code packages, add a `tsup` build target (copy from `packages/components`).
+Write your config files, source code, or whatever the package exports. For a config package, the entry point is usually a JSON file. For code packages, add a `rslib` build target (copy from `packages/components`).
 
 ## Step 4 — Create the Baseline Git Tag
 

package.json

@@ -14,8 +14,6 @@
     "build": "nx run-many -t build",
     "release": "nx release",
     "lint": "biome check .",
-    "eslint": "nx run-many -t eslint",
-    "eslint:fix": "nx run-many -t eslint --fix",
     "lint:fix": "biome check --no-errors-on-unmatched --write .",
     "lint:staged": "biome check --no-errors-on-unmatched --staged .",
     "lint:ci": "biome ci --no-errors-on-unmatched .",
@@ -25,12 +23,15 @@
     "@biomejs/biome": "^2.4.16",
     "@commitlint/cli": "^21.0.2",
     "@commitlint/config-conventional": "^21.0.2",
+    "@microsoft/api-extractor": "^7.58.7",
     "@nx/js": "22.7.5",
-    "@tutods/renovate-config": "workspace:*",
+    "@rsbuild/plugin-react": "^2.0.1",
+    "@rslib/core": "^0.22.0",
     "@swc-node/register": "~1.11.1",
     "@swc/core": "~1.15.40",
     "@swc/helpers": "~0.5.22",
     "@tutods/biome-config": "workspace:*",
+    "@tutods/renovate-config": "workspace:*",
     "@types/node": "25.9.1",
     "@types/react": "^19.2.16",
     "@types/react-dom": "^19.2.3",
@@ -40,7 +41,6 @@
     "react-dom": "^19.2.7",
     "renovate": "^43.212.4",
     "tslib": "^2.8.1",
-    "tsup": "^8.5.1",
     "typescript": "~6.0.3"
   }
 }

packages/components/package.json

@@ -31,20 +31,16 @@
     ".": {
       "import": {
         "types": "./dist/index.d.ts",
-        "default": "./dist/index.mjs"
-      },
-      "require": {
-        "types": "./dist/index.d.cts",
         "default": "./dist/index.js"
       }
     }
   },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
-  "module": "./dist/index.mjs",
+  "module": "./dist/index.js",
   "scripts": {
-    "dev": "tsup --watch",
-    "build": "tsup"
+    "dev": "rslib build --watch",
+    "build": "rslib build"
   },
   "devDependencies": {
     "@tutods/typescript-config": "0.7.1"

packages/components/rslib.config.ts

@@ -0,0 +1,20 @@
+import { pluginReact } from '@rsbuild/plugin-react';
+import { defineConfig } from '@rslib/core';
+
+export default defineConfig({
+  lib: [
+    {
+      format: 'esm',
+      dts: { bundle: true },
+    },
+  ],
+  plugins: [pluginReact()],
+  source: {
+    entry: {
+      index: './src/index.ts',
+    },
+  },
+  output: {
+    target: 'web',
+  },
+});

packages/components/tsconfig.json

@@ -4,5 +4,5 @@
   "compilerOptions": {
     "ignoreDeprecations": "6.0"
   },
-  "include": ["src", "tsup.config.ts"]
+  "include": ["src", "rslib.config.ts"]
 }