Function getPadLines

src/node/handler/PadMessageHandler.ts:1628–1642

(pad: PadType, revNum: number)

 * https://github.com/ether/pad/blob/master/etherpad/src/etherpad/control/pad/pad_changeset_control.js#L263
 */
const getPadLines = async (pad: PadType, revNum: number) => {
  // get the atext
  let atext;

  if (revNum >= 0) {
    atext = await pad.getInternalRevisionAText(revNum);
  } else {
    atext = makeAText('\n');
  }

  return {
    textlines: splitTextLines(atext.text),
    alines: splitAttributionLines(atext.attribs, atext.text),
  };
};

/**
 * Tries to rebuild the composePadChangeset function of the original Etherpad