28 lines
727 B
JavaScript
28 lines
727 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/code1.js","utf-8");
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let ast =parse(code)
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traverse(ast,{
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"UnaryExpression|BinaryExpression|ConditionalExpression|CallExpression":(path) =>{
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const {confident,value} = path.evaluate();
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if(value==Infinity ||value==-Infinity) return;
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confident&&path.replaceWith(types.valueToNode(value));
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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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