RTM API client not working

Description

Unable to require Client Modules using Node.js

What type of issue is this? (place an `x` in one of the `[ ]`)

[ #] bug
[ ] enhancement (feature request)
[# ] question
[ #] documentation related
[ ] testing related
[ ] discussion

Requirements (place an `x` in each of the `[ ]`)

[# ] I've read and understood the Contributing guidelines and have done my best effort to follow them.
[ #] I've read and agree to the Code of Conduct.
[# ] I've searched for any related issues and avoided creating a duplicate issue.

Bug Report

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Reproducible in:

@slack/client version: 4.1.0

node version:

OS version(s): 4.7.0

Steps to reproduce:

After downloading node modules using npm install @slack/client --save, when I try to require Client module using:

const RTMClient = require("@slack/client"); or const RTMClient = require("@slack/client").RtmClient; or var CLIENT_EVENTS = require("@slack/client").CLIENT_EVENTS;

Expected result:

Module should get imported

Actual result:

/Users/xyz/Documents/Chatbot/slackbot/node_modules/@slack/client/dist/logger.js:64
      return function(...msg) {
                      ^^^

SyntaxError: Unexpected token ...
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:373:25)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (/Users/xyz/Documents/Chatbot/slackbot/node_modules/@slack/client/dist/index.js:3:16)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)

Attachments:

Logs, screenshots, screencast, sample project, funny gif, etc.

slackapi / node-slack-sdk