qb-answer-checker/src/split-into-sections.js

A package to automatically check/judge answers against quizbowl answerlines.

import { DIRECTIVES_FLATTENED } from './constants.js';

/**
 * Removes parentheses and square brackets from a string.
 * @param {string} string - The input string.
 * @returns {string} The string with parentheses and square brackets removed.
 */
function removeParentheses (string) {
  return string.replace(/\([^)]*\)/g, '').replace(/\[[^\]]*\]/g, '');
}

/**
 *
 * @param {string} answerline
 * @returns {string[]} An array of **answer sections**, where the first element is the **main answer section**.
 */
export default function splitIntoSections (answerline) {
  const mainSection = removeParentheses(answerline);

  let bracketSections = answerline.match(/\[[^\]]*(?=\])/g) ?? [];
  bracketSections = bracketSections.map(section => section.slice(1));
  let parenthesisSections = answerline.match(/\([^)]*(?=\))/g) ?? [];
  parenthesisSections = parenthesisSections.map(section => section.slice(1));

  bracketSections = bracketSections.filter(section => DIRECTIVES_FLATTENED.some(directive => section.startsWith(directive)));
  parenthesisSections = parenthesisSections.filter(section => DIRECTIVES_FLATTENED.some(directive => section.startsWith(directive)));

  return [mainSection, ...bracketSections, ...parenthesisSections];
}