Function splitDiff

src/generateCommitMessageFromGitDiff.ts:262–296

(diff: string, maxChangeLength: number)

}

function splitDiff(diff: string, maxChangeLength: number) {
  const lines = diff.split('\n');
  const splitDiffs = [] as string[];
  let currentDiff = '';

  if (maxChangeLength <= 0) {
    throw new Error(GenerateCommitMessageErrorEnum.outputTokensTooHigh);
  }

  for (let line of lines) {
    // If a single line exceeds maxChangeLength, split it into multiple lines
    while (tokenCount(line) > maxChangeLength) {
      const subLine = line.substring(0, maxChangeLength);
      line = line.substring(maxChangeLength);
      splitDiffs.push(subLine);
    }

    // Check the tokenCount of the currentDiff and the line separately
    if (tokenCount(currentDiff) + tokenCount('\n' + line) > maxChangeLength) {
      // If adding the next line would exceed the maxChangeLength, start a new diff
      splitDiffs.push(currentDiff);
      currentDiff = line;
    } else {
      // Otherwise, add the line to the current diff
      currentDiff += '\n' + line;
    }
  }

  // Add the last diff
  if (currentDiff) {
    splitDiffs.push(currentDiff);
  }

  return splitDiffs;
}

export const getCommitMsgsPromisesFromFileDiffs = async (
  diff: string,