fix(build): use es2019 build target

fixes #112

Author: harlan-zw

build.config.ts

@@ -5,12 +5,19 @@ export default defineBuildConfig({
   rollup: {
     emitCJS: true,
     cjsBridge: true,
+    esbuild: {
+      target: 'es2019'
+    }
   },
   clean: true,
   entries: [
     'src/plugin',
-    { input: 'src/core', outDir: 'dist/core', builder: 'mkdist', format: 'cjs', ext: 'js', declaration: false },
-    { input: 'src/loaders', outDir: 'dist/loaders', builder: 'mkdist', format: 'cjs', ext: 'js', declaration: false },
+    // loaders aren't part of the plugin entry
+    { input: 'src/loaders/dev-tools', name: 'loaders/dev-tools', declaration: false, format: 'cjs', ext: 'cjs'  },
+    { input: 'src/loaders/virtual-module', name: 'loaders/virtual-module', declaration: false, format: 'cjs', ext: 'cjs'  },
+    { input: 'src/loaders/windicss-css', name: 'loaders/windicss-css', declaration: false, format: 'cjs', ext: 'cjs' },
+    { input: 'src/loaders/windicss-style-pitcher', name: 'loaders/windicss-style-pitcher', declaration: false, format: 'cjs', ext: 'cjs' },
+    { input: 'src/loaders/windicss-template', name: 'loaders/windicss-template', declaration: false, format: 'cjs', ext: 'cjs'  },
   ],
   externals: [
     'webpack',

src/plugin.ts

@@ -11,11 +11,11 @@ import Server from './core/server'
 export * from './types'
 
 const loadersPath = resolve(__dirname, 'loaders')
-const pitcher = resolve(loadersPath, 'windicss-style-pitcher.js')
-const transformCSSLoader = resolve(loadersPath, 'windicss-css.js')
-const transformTemplateLoader = resolve(loadersPath, 'windicss-template.js')
-const virtualModuleLoader = resolve(loadersPath, 'virtual-module.js')
-const devtoolsLoader = resolve(loadersPath, 'dev-tools.js')
+const pitcher = resolve(loadersPath, 'windicss-style-pitcher.cjs')
+const transformCSSLoader = resolve(loadersPath, 'windicss-css.cjs')
+const transformTemplateLoader = resolve(loadersPath, 'windicss-template.cjs')
+const virtualModuleLoader = resolve(loadersPath, 'virtual-module.cjs')
+const devtoolsLoader = resolve(loadersPath, 'dev-tools.cjs')
 
 class WindiCSSWebpackPlugin {
   options

tsconfig.json

@@ -2,9 +2,9 @@
   "root": true,
   "compilerOptions": {
     "baseUrl": ".",
-    "module": "ESNext",
-    "target": "ESNext",
-    "lib": ["DOM", "ESNext"],
+    "lib": ["ES2019"],
+    "module": "commonjs",
+    "target": "ES2019",
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,