增加日志清理功能

lib/main.js

@@ -21,6 +21,7 @@ export default function compile(root = '', isProd = false, es) {
   if (isProd) {
     fs.rm(DIST_DIR, true)
   }
+  let ready = false
 
   chokidar
     .watch(SOURCE_DIR)
@@ -28,6 +29,10 @@ export default function compile(root = '', isProd = false, es) {
       let file = filePath.slice(SOURCE_DIR.length)
       let target = join(DIST_DIR, file)
 
+      if (ready) {
+        console.clear()
+      }
+
       if (act === 'add' || act === 'change') {
         let ext = file.slice(file.lastIndexOf('.') + 1)
 
@@ -65,6 +70,8 @@ export default function compile(root = '', isProd = false, es) {
       }
     })
     .on('ready', () => {
+      console.clear()
+      ready = true
       if (isProd) {
         process.exit()
       }