Skip to main content

Intro

Let's discover obfuscator-io-metro-plugin in less than 5 minutes.

Getting Started​

Get started by installing npm package.

 npm i -D obfuscator-io-metro-plugin

Usage​

Include the plugin in your metro.config.js:

const jsoMetroPlugin = require("obfuscator-io-metro-plugin")(
  {
    compact: false,
    sourceMap: false, // source Map generated after obfuscation is not useful right now so use default value i.e. false
    controlFlowFlattening: true,
    controlFlowFlatteningThreshold: 1,
    numbersToExpressions: true,
    simplify: true,
    stringArrayShuffle: true,
    splitStrings: true,
    stringArrayThreshold: 1,
  },
  {
    runInDev: false /* optional */,
    logObfuscatedFiles: true /* optional generated files will be located at ./.jso */,
  }
);

module.exports = {
  transformer: {
    getTransformOptions: async () => ({
      transform: {
        experimentalImportSupport: false,
        inlineRequires: false,
      },
    }),
  },
  ...jsoMetroPlugin,
};

Options​

For obfuscation options configuration docs see: https://github.com/javascript-obfuscator/javascript-obfuscator