Is Search Switch safe?

#!/usr/bin/env node
// check_search_provider.js
// Reads an unpacked extension's manifest.json and default-locale messages.json,
// then prints the declared search destination next to the store description
// so you can see whether they match.
const fs = require('fs');
const path = require('path');

const dir = process.argv[2];
if (!dir) {
  console.error('Usage: node check_search_provider.js <unpacked-extension-dir>');
  process.exit(1);
}

const manifest = JSON.parse(fs.readFileSync(path.join(dir, 'manifest.json'), 'utf8'));
const locale = manifest.default_locale || 'en';
const messages = JSON.parse(
  fs.readFileSync(path.join(dir, '_locales', locale, 'messages.json'), 'utf8')
);

const provider = manifest.chrome_settings_overrides && manifest.chrome_settings_overrides.search_provider;
const description = messages.appDesc && messages.appDesc.message;

console.log('Advertised in store description:');
console.log('  ' + description);
console.log();
console.log('Actual search_provider in manifest.json:');
console.log('  name:        ' + (provider ? provider.name : '(none declared)'));
console.log('  search_url:  ' + (provider ? provider.search_url : '(none declared)'));
console.log('  is_default:  ' + (provider ? provider.is_default : '(none declared)'));

if (provider && description && /bing/i.test(description) && !/bing\.com/i.test(provider.search_url)) {
  console.log();
  console.log('MISMATCH: description references Bing, but search_url does not point at bing.com.');
}