Parse Open AI function calls JSON response with JavaScript/TypeScript

utils.ts

function escapeNewLines(str: string) {
  return str.replace(/\n/g, '\\n');
}

function fixOpenAiNewLineResponse(str: string) {
  return str
    .split('"')
    .map((chunk, index) => {
      // Only replace \n inside the JSON string values, which are in every other index after splitting by "
      if (index % 2 === 1) {
        return escapeNewLines(chunk);
      } else {
        return chunk;
      }
    })
    .join('"');
}

export function parseOpenAiJson(str: string) {
  return JSON.parse(fixOpenAiNewLineResponse(str));
}