webcrack/dist/cli.js

Deobfuscate, unminify and unpack bundled javascript

#!/usr/bin/env node
import { program } from "commander";
import debug from "debug";
import { existsSync, readFileSync } from "node:fs";
import { readFile, rm } from "node:fs/promises";
import { join } from "node:path";
import * as url from "node:url";
import { webcrack } from "./index.js";
const __dirname = url.fileURLToPath(new URL(".", import.meta.url));
const { version, description } = JSON.parse(
  readFileSync(join(__dirname, "..", "package.json"), "utf8")
);
debug.enable("webcrack:*");
async function readStdin() {
  let data = "";
  process.stdin.setEncoding("utf8");
  for await (const chunk of process.stdin) data += chunk;
  return data;
}
program.version(version).description(description).option("-o, --output <path>", "output directory for bundled files").option("-f, --force", "overwrite output directory").option("-m, --mangle", "mangle variable names").option("--no-jsx", "do not decompile JSX").option("--no-unpack", "do not extract modules from the bundle").option("--no-deobfuscate", "do not deobfuscate the code").option("--no-unminify", "do not unminify the code").argument("[file]", "input file, defaults to stdin").action(async (input) => {
  const { output, force, ...options } = program.opts();
  const code = await (input ? readFile(input, "utf8") : readStdin());
  if (output) {
    if (force || !existsSync(output)) {
      await rm(output, { recursive: true, force: true });
    } else {
      program.error("output directory already exists");
    }
  }
  const result = await webcrack(code, options);
  if (output) {
    await result.save(output);
  } else {
    console.log(result.code);
    if (result.bundle) {
      debug("webcrack:unpack")(
        "Modules are not displayed in the terminal. Use the --output option to save them to a directory."
      );
    }
  }
}).parse();
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