安装包

cnpm install @babel/parser
cnpm install @babel/traverse
cnpm install @babel/types
cnpm install @babel/generator

 

@babel/parser  将js代码转换成ast

@babel/traverse  遍历ast中的节点

@babel/types  判断节点类型和生成新的节点等

@babel/generator 把ast转换成js

 

 

 

const parser = require("@babel/parser");
const traverse = require("@babel/traverse").default;
const generator = require("@babel/generator").default;
const types = require("@babel/types");

console.log("test");