Function updateJsonFields

packages/bumpy/src/utils/fs.ts:23–31

(filePath: string, updates: Record<string, string>)

 * Reads the raw text, does targeted regex replacements, and writes it back.
 */
export async function updateJsonFields(filePath: string, updates: Record<string, string>): Promise<void> {
  let content = await readFile(filePath, 'utf-8');
  for (const [key, newValue] of Object.entries(updates)) {
    const escaped = key.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
    const pattern = new RegExp(`("${escaped}"\\s*:\\s*)"[^"]*"`);
    content = content.replace(pattern, `$1"${newValue}"`);
  }
  await writeFile(filePath, content, 'utf-8');
}

/**
 * Update a nested string field inside a top-level object in a JSON file without reformatting.