fix(lint-errors): fix linting errors

app/components/CryptoIcon/CryptoIcon.js

@@ -5,16 +5,18 @@ import { FaBitcoin } from 'react-icons/lib/fa'
 import Isvg from 'react-inlinesvg'
 
 const CryptoIcon = ({ currency }) => {
-  switch(currency) {
+  switch (currency) {
     case 'btc':
       return <FaBitcoin />
-      break
     case 'ltc':
-      return <Isvg src={path.join(__dirname, '..', 'resources/litecoin.svg')}></Isvg>
-      break
+      return <Isvg src={path.join(__dirname, '..', 'resources/litecoin.svg')} />
     default:
-      return <span></span>
+      return <span />
   }
 }
 
+CryptoIcon.propTypes = {
+  currency: PropTypes.string.isRequired
+}
+
 export default CryptoIcon

app/routes/app/components/components/Form/Form.js

@@ -1,8 +1,8 @@
 import React from 'react'
 import PropTypes from 'prop-types'
-import { FaDollar, FaBitcoin } from 'react-icons/lib/fa'
+import { FaDollar } from 'react-icons/lib/fa'
 import { MdClose } from 'react-icons/lib/md'
-import CryptoIcon from 'components/CryptoIcon'
+import CryptoIcon from '../../../../../components/CryptoIcon'
 import { btc } from '../../../../../utils'
 import styles from './Form.scss'
 

app/routes/app/components/components/Nav.js

@@ -2,10 +2,10 @@ import React from 'react'
 import PropTypes from 'prop-types'
 import { NavLink } from 'react-router-dom'
 import ReactSVG from 'react-svg'
-import { MdAccountBalanceWallet, MdSettings } from 'react-icons/lib/md'
-import { FaClockO, FaBitcoin, FaDollar } from 'react-icons/lib/fa'
+import { MdAccountBalanceWallet } from 'react-icons/lib/md'
+import { FaClockO, FaDollar } from 'react-icons/lib/fa'
+import CryptoIcon from '../../../../components/CryptoIcon'
 import { btc } from '../../../../utils'
-import CryptoIcon from 'components/CryptoIcon'
 import styles from './Nav.scss'
 
 const Nav = ({ ticker, balance, setCurrency, formClicked, currentTicker }) => (