CyberChef/src/core/operations/JavaScriptMinify.mjs

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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
import * as esprima from "esprima";
import escodegen from "escodegen";
import esmangle from "esmangle";
/**
* JavaScript Minify operation
*/
class JavaScriptMinify extends Operation {
/**
* JavaScriptMinify constructor
*/
constructor() {
super();
this.name = "JavaScript Minify";
this.module = "Code";
this.description = "Compresses JavaScript code.";
this.inputType = "string";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
let result = "";
const AST = esprima.parseScript(input),
optimisedAST = esmangle.optimize(AST, null),
mangledAST = esmangle.mangle(optimisedAST);
result = escodegen.generate(mangledAST, {
format: {
renumber: true,
hexadecimal: true,
escapeless: true,
compact: true,
semicolons: false,
parentheses: false
}
});
return result;
}
}
export default JavaScriptMinify;