Function extract

scripts/generateAllPlurals.mjs:80–122

(table)

function extractTable(dom, integerTable, fractionTable) {
  function extract(table) {
    const tbody = table.querySelector('tbody');

    let tr = tbody.firstElementChild;

    let current;
    let results = {};

    do {
      if (tr.firstElementChild.tagName === 'TH') {
        if (current) {
          for (const language of current.languages) {
            if (!results[language]) {
              results[language] = Object.fromEntries(
                Object.keys(current.rules).map(key => [key, []])
              );
            }

            for (let rule in current.rules) {
              results[language][rule] = [].concat(results[language][rule], current.rules[rule]);
            }
          }
        }

        current = {
          range: [],
          languages: [],
          rules: {}
        };

        current.range = getRange(tr);
      } else if (
        tr.children[1] instanceof dom.window.HTMLTableCellElement &&
        tr.children[1].classList.contains('l')
      ) {
        current.languages = getLocales(tr.children[1]);
      } else {
        current.rules = getPlurals(tr, current.range);
      }
    } while ((tr = tr.nextElementSibling));

    return results;
  }

  const integer = extract(integerTable);
  const fraction = extract(fractionTable);