Function markPosition

src/ytype.js:440–452

(searchMarker, p, index)

 * @param {number} index
 */
const markPosition = (searchMarker, p, index) => {
  if (searchMarker.length >= maxSearchMarker) {
    // override oldest marker (we don't want to create more objects)
    const marker = searchMarker.reduce((a, b) => a.timestamp < b.timestamp ? a : b)
    overwriteMarker(marker, p, index)
    return marker
  } else {
    // create new marker
    const pm = new ArraySearchMarker(p, index)
    searchMarker.push(pm)
    return pm
  }
}

/**
 * Search marker help us to find positions in the associative array faster.