fix yarn build

app/src/components/Demo/Mouse.tsx

@@ -1,6 +1,6 @@
 import * as React from 'react'
 import { Theme, withStyles } from '@material-ui/core'
-import cursor from './cursor.png'
+const cursor = require('./cursor.png')
 
 interface State {
   enabled: boolean

app/src/components/SettingsDrawer/TimeLocale.tsx

@@ -6,7 +6,7 @@ import { connect } from 'react-redux'
 import { Input, InputLabel, MenuItem, Select, StyleRulesCallback, Theme } from '@material-ui/core'
 import { settingsActions } from '../../actions'
 import { withStyles } from '@material-ui/styles'
-const moment = require('moment/min/moment-with-locales')
+import * as moment from 'moment'
 
 interface Props {
   actions: {