jest-metadata/src/utils/getVersion.ts

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import fs from 'node:fs';
import path from 'node:path';

import { memoizeLast } from './memoizeLast';

export const getVersion = memoizeLast(() => {
  const packageJsonPath = path.join(__dirname, '../../package.json');
  const packageJsonRaw = fs.readFileSync(packageJsonPath, 'utf8');
  const packageJson = JSON.parse(packageJsonRaw);
  return packageJson.version;
});