Function formatLinesToRanges

lib/internal/test_runner/utils.js:508–517

(values)

}

function formatLinesToRanges(values) {
  return ArrayPrototypeMap(ArrayPrototypeReduce(values, (prev, current, index, array) => {
    if ((index > 0) && ((current - array[index - 1]) === 1)) {
      prev[prev.length - 1][1] = current;
    } else {
      prev.push([current]);
    }
    return prev;
  }, []), (range) => ArrayPrototypeJoin(range, '-'));
}

function getUncoveredLines(lines) {
  return ArrayPrototypeFlatMap(lines, (line) => (line.count === 0 ? line.line : []));