gistfile1.txt

  get_ask: (callback) ->
    promise = new Promise (resolve) ->
      _public_api.depth('btc_jpy').then (result) ->
        resolve(result);
      promise.then (result) ->
        console.log("#{result}");

npm i zaif.jp co

const co = require('co');
const zaif = require('zaif.jp');
const api = zaif.PublicApi;

const main = () => co(function *() {
    let res1 = yield api.depth('btc_jpy');
    console.log(res1);
    let res2 = yield api.ticker('btc_jpy');
    console.log(res2);
})

main().then(() => {
    console.log("success")
}).catch((e) => {
    console.log("error")
})