28 lines
824 B
JavaScript
28 lines
824 B
JavaScript
//@Author : dingjiawen
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//@Date : 2024/03/25 15:26
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//@Usage :
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//@Desc :使用AST技术，还原code1.js
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import {traverse, types} from "@babel/core";
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import {parse} from "@babel/parser";
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import CodeGenerator from "@babel/generator";
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// import * as types from "@babel/types";
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import fs from "fs";
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const code = fs.readFileSync("code/code2.js", "utf-8");
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let ast = parse(code)
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traverse(ast, {
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"StringLiteral"({node}) {
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//这个正则表达式用于匹配字符串中是否包含\u或\x的转义序列，这两个序列分别用于Unicode和十六进制的字符转义,g表示全局,i表示不区分大小写
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if (node.extra && /\\[ux]/gi.test(node.extra.raw)) {
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node.extra.raw = node.extra.rawValue;
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}
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},
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});
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const {code: output} = CodeGenerator.default(ast);
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console.log(output)
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