refactor: migrate to tsdown

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22]
+        node-version: [23]
         os: [macos-latest]
 
     steps:
@@ -23,6 +23,5 @@ jobs:
 
       # install pnpm
       - run: pnpm install --frozen-lockfile
-      - run: pnpm run build
       - run: pnpm run test
       - run: pnpm run lint

.gitignore

@@ -1,4 +1,2 @@
 node_modules
-cjs
-esm
-types
+dist

benchs/complex.mjs

@@ -1,5 +1,5 @@
 import { run, bench, boxplot } from 'mitata';
-import { computed, effect, signal } from '../esm/index.mjs';
+import { computed, effect, signal } from 'alien-signals';
 
 boxplot(() => {
 	bench('complex: $w * $h', function* (state) {

benchs/memoryUsage.mjs

@@ -1,4 +1,4 @@
-import { computed, effect, signal } from '../esm/index.mjs';
+import { computed, effect, signal } from 'alien-signals';
 
 globalThis.gc();
 let start = process.memoryUsage().heapUsed;

benchs/propagate.mjs

@@ -1,5 +1,5 @@
 import { bench, boxplot, run } from 'mitata';
-import { computed, effect, signal } from '../esm/index.mjs';
+import { computed, effect, signal } from 'alien-signals';
 
 boxplot(() => {
 	bench('propagate: $w * $h', function* (state) {

package.json

@@ -1,67 +1,61 @@
 {
 	"name": "alien-signals",
 	"version": "2.0.4",
-	"license": "MIT",
 	"description": "The lightest signal library.",
-	"packageManager": "pnpm@9.12.0",
-	"types": "./types/index.d.ts",
+	"license": "MIT",
+	"keywords": [
+		"signal"
+	],
+	"type": "module",
+	"main": "./dist/esm/index.mjs",
+	"types": "./dist/esm/index.d.mts",
 	"exports": {
 		".": {
-			"types": "./types/index.d.ts",
-			"import": "./esm/index.mjs",
-			"require": "./cjs/index.cjs"
-		},
-		"./cjs": {
-			"types": "./types/index.d.ts",
-			"import": "./cjs/index.cjs",
-			"require": "./cjs/index.cjs"
-		},
-		"./esm": {
-			"types": "./types/index.d.ts",
-			"import": "./esm/index.mjs",
-			"require": "./esm/index.mjs"
+			"require": {
+				"types": "./dist/cjs/index.d.cts",
+				"default": "./dist/cjs/index.cjs"
+			},
+			"import": {
+				"types": "./dist/esm/index.d.mts",
+				"default": "./dist/esm/index.mjs"
+			}
 		},
 		"./system": {
-			"types": "./types/system.d.ts",
-			"import": "./esm/system.mjs",
-			"require": "./cjs/system.cjs"
-		},
-		"./cjs/system": {
-			"types": "./types/system.d.ts",
-			"import": "./cjs/system.cjs",
-			"require": "./cjs/system.cjs"
-		},
-		"./esm/system": {
-			"types": "./types/system.d.ts",
-			"import": "./esm/system.mjs",
-			"require": "./esm/system.mjs"
+			"require": {
+				"types": "./dist/cjs/system.d.cts",
+				"default": "./dist/cjs/system.cjs"
+			},
+			"import": {
+				"types": "./dist/esm/system.d.mts",
+				"default": "./dist/esm/system.mjs"
+			}
 		}
 	},
 	"files": [
-		"cjs/*.cjs",
-		"esm/*.mjs",
-		"types/*.d.ts"
+		"dist"
 	],
 	"repository": {
 		"type": "git",
 		"url": "git+https://github.com/johnsoncodehk/signals.git"
 	},
 	"scripts": {
 		"prepublishOnly": "npm run build",
-		"build": "tsc && npm run build:esm && npm run build:cjs",
-		"build:esm": "mkdir -p esm && cp src/index.ts esm/index.mts && cp src/system.ts esm/system.mts && sed -i '' \"s/'\\.\\/system.js'/'\\.\\/system.mjs'/g\" esm/index.mts && tsc esm/*.mts --removeComments --outDir esm --module esnext",
-		"build:cjs": "mkdir -p cjs && cp src/index.ts cjs/index.cts && cp src/system.ts cjs/system.cts && sed -i '' \"s/'\\.\\/system.js'/'\\.\\/system.cjs'/g\" cjs/index.cts && tsc cjs/*.cts --removeComments --outDir cjs --module commonjs",
-		"test": "npm run build && vitest run",
+		"build": "tsdown",
+		"pretest": "npm run build",
+		"test": "vitest run",
 		"lint": "tsslint --project tsconfig.json",
-		"bench": "npm run build:esm && node --jitless --expose-gc benchs/propagate.mjs",
-		"bench:memory": "npm run build:esm && node --expose-gc benchs/memoryUsage.mjs"
+		"bench": "npm run build && node --jitless --expose-gc benchs/propagate.mjs",
+		"bench:memory": "npm run build && node --expose-gc benchs/memoryUsage.mjs"
 	},
 	"devDependencies": {
 		"@tsslint/cli": "latest",
 		"@tsslint/config": "latest",
+		"jest-extended": "latest",
 		"mitata": "latest",
+		"publint": "latest",
+		"tsdown": "latest",
 		"typescript": "latest",
-		"vitest": "latest",
-		"jest-extended": "latest"
-	}
+		"vitest": "latest"
+	},
+	"packageManager": "pnpm@9.12.0"
 }