parses aws slideshare pages for aws re:invent presentations adn generates a markdown formatted list of links with title

aws-reinvent-slideshare-presentations.js

// run in browser (tested in chrome as snippet)
(async () => {
    const baseURL = `https://www.slideshare.net/AmazonWebServices/presentations/`
    let page = 1

    const sleep = async (ms) => (new Promise(resolve => setTimeout(resolve, ms)))

    const fetchItems = async (url) => {
        const items = []
        const parser = new DOMParser()
        const resp = await fetch(url)
        const html = await resp.text()
        const doc = parser.parseFromString(html, "text/html")
        const presentationElements = doc.querySelectorAll('#slideshows > ul > li > strong > a')
        presentationElements.forEach((e) => {
            if (e.title.match(`- AWS re:Invent 2018`)) {
                items.push({title: e.title, url: e.href})
            }
        })
        return items
    }

    let allItems = []

    while (true) {
        const items = await fetchItems(`${baseURL}${page}`)
        allItems = allItems.concat(items)
        page += 1
        sleep(200)
        
        if (items.length === 0) {
            break
        }
    }

    const allItemsSorted = allItems.sort((a, b) => {
        return (a.title.match(/\(.*\)/)[0] > b.title.match(/\(.*\)/)[0]) ? 1 : -1
    })
    
    //console.log(JSON.stringify(allItemsSorted, null, 2))

    const markdownList = allItemsSorted.map((i) => (`* [${i.title}](${i.url})`)).join("\n")
    console.log(markdownList)

})()