'初始化提交'

beforebuild.js

@@ -0,0 +1,24 @@
+// 引入babel模块
+const babel = require("@babel/core");
+// 引入fs模块
+const fs = require("fs");
+// 引入path模块
+const path = require("path");
+
+// 获取js目录下名为index.js的文件
+const filePath = path.resolve(__dirname, "./www/js/index.js");
+// 转译async/await
+babel.transformFile(
+  filePath,
+  {
+    plugins: ["@babel/plugin-transform-async-to-generator"],
+  },
+  (err, result) => {
+    if (err) throw err;
+    // 把转译后的代码写入到index.build.js文件中
+    fs.writeFile("./www/js/index.build.js", result.code, err => {
+      if (err) throw err;
+      console.log("转译成功");
+    });
+  }
+);