const { JSDOM } = require('jsdom'); function fixFirstLargeScheduleItem(trNodeList) { return Array.from(trNodeList).some((trNode, timeOfDay) => { const tdNodeList = trNode.children; return Array.from(tdNodeList).some((tdNode, dayOfWeek) => { const height = tdNode.rowSpan / 2; if (height === 1) { return false; } tdNode.rowSpan = 2; // eslint-disable-line no-param-reassign for (let i = 1; i < height; i += 1) { // Are we at the end of the table? if (dayOfWeek === 4) { // If so, we cannot use insertBefore, because the is no node to insert // it before. Use appendChild instead. trNodeList[timeOfDay + i].appendChild(tdNode.cloneNode(true)); } else { trNodeList[timeOfDay + i] .insertBefore( tdNode.cloneNode(true), trNodeList[timeOfDay + i].children[dayOfWeek], ); } } return true; }); }); } function parseSchedule(axiosResponse) { const dom = new JSDOM(axiosResponse.data); const { window } = dom; const { document } = window; const tableNode = document.querySelector('center > table'); const tbodyNode = tableNode.querySelector('tbody'); const trNodeList = tbodyNode.children; Array.from(trNodeList).forEach((trNode, timeOfDay) => { const tdNodeList = trNode.children; if (timeOfDay === 0 || trNode.children.length === 0) { tbodyNode.removeChild(trNode); return; } Array.from(tdNodeList).forEach((tdNode, dayOfWeek) => { if (dayOfWeek === 0) { trNode.removeChild(tdNode); } }); }); let shouldContinue = true; while (shouldContinue) { shouldContinue = fixFirstLargeScheduleItem(trNodeList); } const scheduleItems = []; Array.from(trNodeList).forEach((trNode, timeOfDay) => { const tdNodeList = trNode.children; Array.from(tdNodeList).forEach((tdNode, dayOfWeek) => { if (tdNode.textContent.trim() === '') { return; } const childTableNode = tdNode.querySelector('table'); const childTrNodeList = childTableNode.querySelectorAll('tr'); Array.from(childTrNodeList).forEach((childTrNode) => { const subject = childTrNode.children[0].textContent.trim(); const attendees = childTrNode.children[1] ? childTrNode.children[1].textContent.trim() : undefined; const location = childTrNode.children[2] ? childTrNode.children[2].textContent.trim() : undefined; scheduleItems.push({ startTime: timeOfDay, endTime: timeOfDay + 1, dayOfWeek, subject, attendees, location, }); }); }); }); return scheduleItems; } module.exports = parseSchedule;