//
/*

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 */
//babel库及文件模块导入
const fs = require('fs');

//babel库相关，解析，转换，构建，生产
const parser = require("@babel/parser");
const traverse = require("@babel/traverse").default;
const types = require("@babel/types");
const generator = require("@babel/generator").default;
//读取文件
let encode_file = "./jscode.js", decode_file = "./result.js"; //自己可以调整路径
const path = require('path');


function readDirAndModifyFiles(dirPath, callback) {
    fs.readdir(dirPath, (err, files) => {
        if (err) {
            console.error(err);
            return;
        }
        files.forEach(file => {
            const filePath = path.join(dirPath, file);
            fs.stat(filePath, (err, stats) => {
                if (err) {
                    console.error(err);
                    return;
                }
                debugger
                if (stats.isDirectory()) {
                    readDirAndModifyFiles(filePath, callback);
                } else {
                    fs.readFile(filePath, 'utf8', (err, data) => {
                        // console.log(data)
                        let ast = parser.parse(data);
                        traverse(ast, {
                            ObjectExpression(path) {
                                path.node.properties.forEach(prop => {
                                    if (prop.key.name === 'value' && types.isFunctionExpression(prop.value)) {
                                        prop.value = types.callExpression(prop.value, []);
                                    }
                                });
                            }
                        });
                        // traverse(ast, test, opt = {});
                        // console.log('message部分完成！！！')
                        data= generator(ast).code

                        if (err) {
                            console.error(err);
                        } else {
                            const modifiedData = callback(data);
                            fs.writeFile(filePath, modifiedData, (err) => {
                                if (err) {
                                    console.error(err);
                                } else {
                                    console.log(`File ${filePath} is saved.`);
                                }
                            });
                        }
                    });
                }
            });
        });
    });
}

const dirPath = 'D:\\My_Dir\\env_xbb_lastest_jsdom\\env';

// 修改文件内容的回调函数
function modifyFileContent(data) {
    // 在文件内容前面添加一行文字
    return data;
}

readDirAndModifyFiles(dirPath, modifyFileContent);


//
// let jscode = fs.readFileSync(encode_file, {encoding: "utf-8"});
// //转换为ast树
// let ast = parser.parse(jscode);
// traverse(ast, {
//   ObjectExpression(path) {
//     path.node.properties.forEach(prop => {
//       if (prop.key.name === 'value' && types.isFunctionExpression(prop.value)) {
//         prop.value = types.callExpression(prop.value, []);
//       }
//     });
//   }
// });
// // traverse(ast, test, opt = {});
// console.log('message部分完成！！！')
// let {code} = generator(ast)
//
//
//
// console.log(code)
// //
// fs.writeFile(decode_file, code, (err) => {
// });