Function processLine

docs/src/preprocess/include_code.js:30–46

(line, regex, replacement)

  let mutated = false;

  const processLine = (line, regex, replacement) => {
    const match = line.match(regex);
    if (match) {
      mutated = true;

      const identifiers = match[1].split(":");
      if (identifiers.includes(identifier)) {
        line = line.replace(match[0], replacement);
      } else {
        // Remove matched text completely
        line = line.replace(match[0], "");
      }
    } else {
      // No match: it's an ordinary line of code.
    }
    return line.trim() == "//" || line.trim() == "#" ? "" : line;
  };

  const countLeadingSpaces = (line) => {
    const match = line.match(/^ */);