rollup-plugin-esbuild - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

package.json

 {
   "name": "rollup-plugin-esbuild",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "main": "src/index.js",
@@ -5,0 +5,0 @@ "author": "EGOIST",

README.md

 # rollup-plugin-esbuild
 
+[esbuild](https://github.com/evanw/esbuild) is by far one of the fastest TS/ESNext to ES6 compilers, so it makes sense to use it over Babel/TSC with Rollup to take advantage of both worlds (Speed and the Rollup plugin ecosytem).
+
 ## Install
@@ -11,2 +13,4 @@
 
+In `rollup.config.js`:
+
 ```js
@@ -18,10 +22,15 @@ import esbuild from 'rollup-plugin-esbuild'
     esbuild({
-      watch: process.env.NODE_ENV === 'development'
-    })
-  ]
+      // All options are optional
+      watch: process.argv.includes('--watch'),
+      minify: process.env.NODE_ENV === 'production',
+      target: 'es2015' // default, or 'es20XX', 'esnext'
+    }),
+  ],
 }
 ```
 
+This plugin handles `.js` `.jsx` `.ts` `.tsx` for you.
+
 ## License
 
-MIT © [EGOIST (Kevin Titor)](https://github.com/sponsors/egoist)
+MIT © [EGOIST (Kevin Titor)](https://github.com/sponsors/egoist)

src/index.js

@@ -0,1 +1,2 @@
+// @ts-check
 const fs = require('fs')
@@ -5,6 +6,9 @@ const { extname, resolve, dirname } = require('path')
 
+/** @typedef {import('esbuild').TransformOptions} TransformOptions */
+
+/** @type {TransformOptions['loader'][]} */
 const loaders = ['js', 'jsx', 'ts', 'tsx']
 
-/** @typedef {import('rollup').Plugin} Plugin*/
-/** @typedef {{ watch?: boolean }} Options */
+/** @typedef {import('rollup').Plugin} Plugin */
+/** @typedef {{ watch?: boolean, target?: TransformOptions['target'], minify?: boolean }} Options */
 
@@ -23,8 +27,2 @@ /** @type {(options?: Options) => Plugin} */
 
-    buildEnd() {
-      if (!options.watch) {
-        service.stop()
-      }
-    },
-
     resolveId(importee, importer) {
@@ -37,11 +35,13 @@ if (importer && importee[0] === '.') {
 
-        if (!fs.existsSync(resolved) && fs.existsSync(`${resolved}.jsx`)) {
+        const exists = fs.existsSync(resolved)
+
+        if (!exists && fs.existsSync(`${resolved}.jsx`)) {
           return `${resolved}.jsx`
         }
 
-        if (!fs.existsSync(resolved) && fs.existsSync(`${resolved}.ts`)) {
+        if (!exists && fs.existsSync(`${resolved}.ts`)) {
           return `${resolved}.ts`
         }
 
-        if (!fs.existsSync(resolved) && fs.existsSync(`${resolved}.tsx`)) {
+        if (!exists && fs.existsSync(`${resolved}.tsx`)) {
           return `${resolved}.tsx`
@@ -53,2 +53,3 @@ }
     async transform(code, id) {
+      /** @type {any} */
       const loader = extname(id).slice(1)
@@ -60,9 +61,8 @@
 
-      const result = await service.transform(code, { loader })
+      const result = await service.transform(code, {
+        loader,
+        target: options.target || 'es2015',
+      })
 
-      if (result.warnings) {
-        for (const warning of result.warnings) {
-          this.warn(warning.text)
-        }
-      }
+      printWarnings(result, this)
 
@@ -74,3 +74,39 @@ return {
     },
+
+    async renderChunk(code, chunk) {
+      if (options.minify) {
+        const result = await service.transform(code, {
+          loader: 'js',
+          target: 'esnext',
+          minify: true,
+        })
+        printWarnings(result, this)
+        return {
+          code: result.js,
+          map: result.jsSourceMap,
+        }
+      }
+      return null
+    },
+
+    generateBundle() {
+      if (!options.watch && service) {
+        service.stop()
+        service = undefined
+      }
+    },
   }
 }
+
+/**
+ * Print esbuild transform warnings
+ * @param {import('esbuild').TransformResult} result
+ * @param {import('rollup').PluginContext} plugin
+ */
+function printWarnings(result, plugin) {
+  if (result.warnings) {
+    for (const warning of result.warnings) {
+      plugin.warn(warning.text)
+    }
+  }
+}

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Total package byte prevSize

4697

increased by39.71%

Lines of code

87

increased by58.18%

Number of lines in readme file

35

increased by40%

No dependency changes