Convert core to use esbuild

packages/core/build.js

@@ -0,0 +1,60 @@
+#!/usr/bin/env node
+const esbuild = require('esbuild')
+const { nodeExternalsPlugin } = require('esbuild-node-externals')
+
+let config = {
+  bundle: true,
+  minify: true,
+  sourcemap: true,
+  target: 'es2020',
+  plugins: [nodeExternalsPlugin()],
+}
+
+if (process.argv.slice(1).includes('--watch')) {
+  config.watch = {
+    onRebuild(error) {
+      if (error) console.error('watch build failed:', error)
+      else console.log('watch build succeeded')
+    },
+  }
+}
+
+esbuild
+  .build({
+    ...config,
+    entryPoints: ['src/index.ts'],
+    format: 'esm',
+    outfile: 'dist/index.esm.js',
+    platform: 'browser',
+  })
+  .catch(() => process.exit(1))
+
+esbuild
+  .build({
+    ...config,
+    entryPoints: ['src/index.ts'],
+    format: 'cjs',
+    outfile: 'dist/index.js',
+    platform: 'browser',
+  })
+  .catch(() => process.exit(1))
+
+esbuild
+  .build({
+    ...config,
+    entryPoints: ['src/server.ts'],
+    format: 'esm',
+    outfile: 'dist/server.esm.js',
+    platform: 'node',
+  })
+  .catch(() => process.exit(1))
+
+esbuild
+  .build({
+    ...config,
+    entryPoints: ['src/server.ts'],
+    format: 'cjs',
+    outfile: 'dist/server.js',
+    platform: 'node',
+  })
+  .catch(() => process.exit(1))

packages/core/package.json

@@ -23,19 +23,24 @@
   ],
   "source": "src/index.ts",
   "main": "dist/index.js",
-  "unpkg": "dist/index.umd.js",
   "types": "types/index.d.ts",
   "exports": {
-    ".": "./dist/index.js",
-    "./server": "./dist/server.js"
+    ".": {
+      "import": "./dist/index.esm.js",
+      "require": "./dist/index.js",
+      "types": "./types/index.d.js"
+    },
+    "./server": {
+      "import": "./dist/server.esm.js",
+      "require": "./dist/server.js",
+      "types": "./types/server.d.js"
+    }
   },
   "scripts": {
-    "build": "npm run clean && npm run build:browser && npm run build:server",
-    "build:browser": "microbundle --format es,cjs",
-    "build:server": "microbundle --format es,cjs --target node --output ./dist/server.js ./src/server.ts",
+    "build": "npm run clean && ./build.js && tsc --emitDeclarationOnly",
     "clean": "rm -rf types && rm -rf dist",
     "prepublishOnly": "npm run build",
-    "watch": "microbundle watch --format es,cjs"
+    "watch": "./build.js --watch"
   },
   "dependencies": {
     "axios": "^0.27.0",
@@ -48,7 +53,8 @@
     "@types/node": "^14.0",
     "@types/nprogress": "^0.2.0",
     "@types/qs": "^6.9.0",
-    "microbundle": "^0.12.0",
-    "typescript": "^4.2.4"
+    "esbuild": "^0.16.13",
+    "esbuild-node-externals": "^1.6.0",
+    "typescript": "^4.9.4"
   }
 }

packages/core/src/index.ts

@@ -5,5 +5,6 @@ export { default as setupProgress } from './progress'
 export { default as shouldIntercept } from './shouldIntercept'
 export * from './types'
 export { hrefToUrl, mergeDataIntoQueryString, urlWithoutHash } from './url'
+export { type Router }
 
 export const router = new Router()