Function _stripComments

src/index.js:85–130

(line)

  // The semi-colon is not treated as the start of a comment when enclosed in parentheses.
  const stripComments = (() => {
    const _stripComments = (line) => {
      let result = '';
      let currentComment = '';
      let comments = [];
      let openParens = 0;

      // Detect semicolon comments before parentheses
      for (let i = 0; i < line.length; i++) {
        const char = line[i];

        if (char === ';' && openParens === 0) {
          // Start semicolon comment outside parentheses
          comments.push(line.slice(i + 1).trim());
          openParens = 0; // Reset parentheses counter
          break; // Stop further processing after a semicolon comment
        }

        if (char === '(') {
          // Start parentheses comment
          if (openParens === 0) {
            currentComment = '';
          } else if (openParens > 0) {
            currentComment += char;
          }
          openParens = Math.min(openParens + 1, Number.MAX_SAFE_INTEGER);
        } else if (char === ')') {
          // End parentheses comment
          openParens = Math.max(0, openParens - 1);
          if (openParens === 0) {
            comments.push(currentComment.trim());
            currentComment = '';
          } else if (openParens > 0) {
            currentComment += char;
          }
        } else if (openParens > 0) {
          // Inside parentheses comment
          currentComment += char;
        } else {
          // Normal text outside comments
          result += char;
        }
      }

      result = result.trim();
      return [result, comments];
    };

    return (line) => {
      const [strippedLine, comments] = _stripComments(line);