ZaifFetchOrderBook.js

const axios = require("axios")

const baseUrl = "https://api.zaif.jp/api/1/"

const fetchTicker = async (method, cc, lc) => {
    const url = `${baseUrl}${method}/${cc}_${lc}`
    console.log(url)
    const ticker = await axios.get(url)
        .then(res => res.data)
        .catch(error => {
            console.error(error)
            return undefined
        })
    return ticker
}

(async () => {
    const ticker = await fetchTicker("depth", "xem", "jpy")
    console.log(ticker)
})()