feat: use esbuild

README.md

@@ -1,6 +1,6 @@
 # tsup
 
-A bundler focusing on TypeScript experience, based on Rollup.
+Rollup + ESBundle.
 
 ## Install
 
@@ -14,6 +14,18 @@ yarn add tsup --dev
 
 You can also install it globally but it's not recommended.
 
+## Usage
+
+```bash
+tsup [...files]
+```
+
+For more details:
+
+```bash
+tsup --help
+```
+
 ## License
 
-MIT.
+MIT © [EGOIST (Kevin Titor)](https://github.com/sponsors/egoist)

package.json

@@ -1,21 +1,24 @@
 {
   "name": "tsup",
-  "version": "1.0.0",
-  "main": "index.js",
+  "version": "0.0.0-semantic-release",
+  "main": "dist/index.js",
+  "bin": "dist/cli.js",
+  "files": [
+    "dist"
+  ],
   "author": "EGOIST",
   "license": "MIT",
-  "devDependencies": {
-    "@types/node": "^13.9.2",
-    "cac": "^6.5.7",
-    "rollup": "^2.1.0",
-    "rollup-plugin-typescript2": "^0.26.0",
-    "ts-node": "^8.7.0"
+  "scripts": {
+    "build": "esbuild src/cli.ts --platform=node --outdir=dist --format=cjs --target=es2018 --external:rollup --external:rollup-plugin-esbuild --bundle",
+    "prepublishOnly": "npm run build"
   },
   "dependencies": {
-    "@babel/core": "^7.8.7",
-    "@babel/preset-env": "^7.8.7",
-    "@babel/preset-typescript": "^7.8.3",
-    "rollup-plugin-babel": "^4.4.0",
+    "rollup": "^2.8.2",
+    "rollup-plugin-esbuild": "^1.2.0"
+  },
+  "devDependencies": {
+    "@types/node": "^13.9.2",
+    "cac": "^6.5.8",
     "rollup-plugin-hashbang": "^2.2.2",
     "typescript": "^3.8.3"
   }

src/cli.ts

@@ -1,34 +1,32 @@
 #!/usr/bin/env node
 import { readFileSync } from 'fs'
-import {join} from 'path'
+import { join } from 'path'
 import { cac } from 'cac'
 
 const cli = cac('tsup')
 
-cli.command('[file]', 'Bundle a speific file')
-.option('--format <format>', 'Bundle format')
-  .action(async (file: string, options) => {
-    const {rollup} = await import('rollup')
+cli
+  .command('<...files>', 'Entry files')
+  .option('--format <format>', 'Bundle format')
+  .option('--minify', 'Minify bundle')
+  .option('--target <target>', 'Bundle target, "es20XX" or "esnext"', {
+    default: 'es2017',
+  })
+  .action(async (files: string[], options) => {
+    const { rollup } = await import('rollup')
+    const { default: hashbangPlugin } = await import('rollup-plugin-hashbang')
+    const { default: esbuildPlugin } = await import('rollup-plugin-esbuild')
 
-    return rollup({
-      input: file,
+    const result = await rollup({
+      input: files,
       plugins: [
-        require('rollup-plugin-hashbang')(),
-        require('rollup-plugin-babel')({
-          extensions: ['.js', '.jsx', '.ts', '.tsx'],
-          presets: [
-            [require.resolve('@babel/preset-env'), {
-              modules: false
-            }],
-            require.resolve('@babel/preset-typescript')
-          ]
-        })
-      ]
-    }).then(result => {
-      result.write({
-        dir: 'dist',
-        format: options.format || 'cjs'
-      })
+        hashbangPlugin(),
+        esbuildPlugin({ minify: options.minify, target: options.target }),
+      ],
+    })
+    await result.write({
+      dir: 'dist',
+      format: options.format || 'cjs',
     })
   })
 
@@ -37,4 +35,4 @@ cli.help()
 const pkgPath = join(__dirname, '../package.json')
 cli.version(JSON.parse(readFileSync(pkgPath, 'utf8')).version)
 
-cli.parse()
+cli.parse()