js_reverse/AST抽象语法树/11.AST操作之删除节点-pop-delete-remove/decode_obfuscator1.js

const fs = require('fs');
const {parse} = require("@babel/parser");
const traverse = require("@babel/traverse").default;
const generator = require("@babel/generator").default;
let encode_file = "./encode1.js";

let js_code = fs.readFileSync(encode_file, {encoding: "utf-8"});
let ast = parse(js_code, {
    sourceType: 'module',
});

const visitor = {
    VariableDeclarator(path) {
        let init = path.get('init')
        if(init.isStringLiteral()){
            path.remove()
        }
    },
};

traverse(ast, visitor);

// 将修改后的AST重新生成为代码
const modifiedCode = generator(ast).code;
console.log(modifiedCode);