agenda.js

import cheerio from 'cheerio'

export const fetchAgenda = () => {
    return fetch('http://ndcsydney.com/agenda')
        .then(r => r.text())
        .then(body => {
            const talks = []
            
                const $ = cheerio.load(body)
                $('section.day').map((i, el) => {
                    // prettier-ignore
                    const dayElements = el.childNodes
                        .filter(c => c.type === 'tag')[0]
                        .children
                        .filter(c => c.type === 'tag')
            
                    for (var index = 0; index < dayElements.length / 2; index += 2) {
                        const slotEl = cheerio(dayElements[index])
                        const talkSlot = slotEl.text().split(' - ')
                        const startParts = talkSlot[0].split(':')
                        const endParts = talkSlot[1].split(':')
                        const startTime = { hour: Number(startParts[0]), minutes: Number(startParts[1]) }
                        const endTime = { hour: Number(endParts[0]), minutes: Number(endParts[1]) }
                        cheerio(dayElements[index + 1]).find('.boxed-talk').each((j, talkEl) => {
                            const $talk = cheerio(talkEl)
                            const tags = talkEl.attribs['data-slugs'].split(',')
                            const link = talkEl.attribs.href
                            const location = $talk.find('.venue').text()
                            const title = $talk.find('h2').text()
                            const speaker = $talk.find('.speaker').text()
                            talks.push({
                                title,
                                speaker,
                                location,
                                link,
                                tags,
                                startTime,
                                endTime
                            })
                        })
                    }
                })
            
                return talks
        })
}