Function writeGroup

lib/internal/util/inspect.js:556–576

(start, end, decreaseDepth = 1)

  }, []);

  function writeGroup(start, end, decreaseDepth = 1) {
    let seq = '';
    i++;
    // Only checking for the closing delimiter is a fast heuristic for regular
    // expressions without the u or v flag. A safer check would verify that the
    // read characters are all alphanumeric.
    while (i < regexpString.length && regexpString[i] !== end) {
      seq += regexpString[i++];
    }
    if (i < regexpString.length) {
      depth -= decreaseDepth;
      write(start);
      writeDepth(seq, 1, 1);
      write(end);
      depth += decreaseDepth;
    } else {
      // The group is not closed which would lead to mistakes in the output.
      // This is a workaround to prevent output from being corrupted.
      writeDepth(start, 1, -seq.length);
    }
  }

  const write = (str) => {
    const idx = depth % palette.length;