Move bundling to tsup

package.json

@@ -2,14 +2,7 @@
   "name": "react-blurhash",
   "version": "0.2.0",
   "description": "Blurhash implementation for React",
-  "keywords": [
-    "blurhash",
-    "blur",
-    "hash",
-    "image",
-    "react",
-    "component"
-  ],
+  "keywords": ["blurhash", "blur", "hash", "image", "react", "component"],
   "license": "MIT",
   "author": "nygardk",
   "repository": {
@@ -22,10 +15,8 @@
   "module": "es/index.js",
   "scripts": {
     "prepublishOnly": "npm run build",
-    "build": "npm run build:es && npm run build:lib",
+    "build": "tsup",
     "build:demo": "rm -rf ./docs && webpack -p --config webpack.demo.config.js",
-    "build:es": "rm -rf ./es   && npm run ts -- --module es2015   --outDir ./es",
-    "build:lib": "rm -rf ./lib && npm run ts -- --module commonjs --outDir ./lib --esModuleInterop true",
     "demo": "webpack-dev-server --config webpack.demo.config.js --hot --progress",
     "prettier": "prettier src/**/*.ts",
     "prettier-fix": "npm run prettier -- --write",
@@ -49,6 +40,7 @@
     "react-hot-loader": "^4.13.0",
     "styled-components": "^5.2.0",
     "ts-loader": "8.0.6",
+    "tsup": "^6.5.0",
     "typescript": "4.0.3",
     "webpack": "4.44.2",
     "webpack-cli": "3.3.12",

tsconfig.json

@@ -2,8 +2,8 @@
   "compilerOptions": {
     "module": "commonjs",
     "moduleResolution": "node",
-    "target": "es5",
-    "lib": ["es5", "dom"],
+    "target": "es6",
+    "lib": ["esnext", "dom"],
     "declaration": true,
     "outDir": "./lib",
     "sourceMap": true,

tsup.config.ts

@@ -0,0 +1,37 @@
+import { defineConfig } from 'tsup';
+
+export default defineConfig([
+  {
+    name: 'main',
+    entry: ['./src/index.ts'],
+    outDir: './lib',
+    format: ['cjs'],
+    legacyOutput: true,
+    sourcemap: true,
+    clean: true,
+    splitting: false,
+    dts: false,
+    minify: true,
+  },
+  {
+    name: 'esm',
+    entry: ['./src/index.ts'],
+    outDir: './es',
+    format: ['esm'],
+    legacyOutput: false,
+    sourcemap: true,
+    clean: true,
+    splitting: false,
+    dts: false,
+    minify: true,
+  },
+  {
+    name: 'typedefs',
+    entry: ['./src/index.ts'],
+    outDir: './lib',
+    clean: false,
+    dts: {
+      only: true,
+    },
+  },
+]);