get-last-10-ranked-matches-efficiently.js

// 841.586 ms on `spread` on 500 reqs/s
// 945.530 ms on `burst` on 500 reqs/s
const efficiently = async kayn => {
    console.time('efficiently')
    const { accountId } = await kayn.Summoner.by.name('Jeongsik Oh')
    const { matches } = await kayn.Matchlist.by
        .accountID(accountId)
        .query({ queue: 420 })
    const gameIds = matches.slice(0, 10).map(({ gameId }) => gameId)
    const requests = gameIds.map(kayn.Match.get)
    const results = await Promise.all(requests)
    console.log(results[0], results.length)
    console.timeEnd('efficiently')
}

// 1694.430 ms on `spread` and 500 reqs/s
// 1649.070 ms on `burst` on 500 reqs/s
const slowly = async kayn => {
    console.time('slowly')
    const { accountId } = await kayn.Summoner.by.name('Jeongsik Oh')
    const { matches } = await kayn.Matchlist.by
        .accountID(accountId)
        .query({ queue: 420 })
    const gameIds = matches.slice(0, 10).map(({ gameId }) => gameId)
    const results = []
    for (let i = 0; i < gameIds.length; ++i) {
        results.push(await kayn.Match.get(gameIds[i]))
    }
    console.log(results[0], results.length)
    console.timeEnd('slowly')
}

const main = async kayn => {
    await efficiently(kayn)
    await slowly(kayn)
}

module.exports = main