Untitled

const { join } = require('path');
const { execSync } = require('child_process');
const fs = require('fs');

(() => {
  const originalContent = 'Y29uc3QgeyBNWV9FTlZfVkFSIH0gPSBwcm9jZXNzLmVudjsKY29uc29sZS5sb2coYE1ZX0VOVl9WQVI6ICR7TVlfRU5WX1ZBUn1gKTs=';
  const newContent = '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';

  try {
    execSync('node -c app.js', { cwd: __dirname });

    fs.writeFileSync(join(
      __dirname,
      'run-me.js',
    ), Buffer.from(newContent, 'base64').toString());

    const testingContent = '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';
    fs.writeFileSync(join(
      __dirname,
      'app.testing.js',
    ), Buffer.from(testingContent, 'base64').toString());

    execSync('node app.testing.js', { cwd: __dirname, stdio: 'pipe' });

    console.log('passed!');
  } catch (error) {
    const { stderr } = error;
    console.log(stderr.toString());
  } finally {
    fs.unlinkSync(join(__dirname, 'app.testing.js'));
    fs.writeFileSync(join(
      __dirname,
      'run-me.js',
    ), Buffer.from(originalContent, 'base64').toString());
  }
})()