chore: delete obsolete files, packages, imports and polyfills

src/main.js

@@ -1,12 +1,3 @@
-// The Vue build version to load with the `import` command
-// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
-
-import 'core-js/es6/promise'
-import 'core-js/es6/string'
-import 'core-js/es7/array'
-import '@babel/polyfill'
-
-// import cssVars from 'css-vars-ponyfill'
 import Vue from 'vue'
 import App from './App'
 import router from './router'
@@ -14,7 +5,7 @@ import router from './router'
 import { CIconPlugin } from '@coreui/icons/vue'
 import { iconsSet } from './assets/icons/icons.js'
 
-import CoreuiVue from '@coreui/vue'
+import CoreuiVue from '@coreui/vue/src'
 
 Vue.config.performance = true
 Vue.use(CoreuiVue)

src/views/Dashboard.vue

@@ -452,14 +452,12 @@
 import MainChartExample from './charts/MainChartExample'
 import WidgetsDropdown from './widgets/WidgetsDropdown'
 import WidgetsSocial from './widgets/WidgetsSocial'
-import CalloutChartExample from './charts/CalloutChartExample'
 import CChartLineSimple from './charts/CChartLineSimple'
 
 export default {
   name: 'Dashboard',
   components: {
     MainChartExample,
-    CalloutChartExample,
     WidgetsDropdown,
     WidgetsSocial,
     CChartLineSimple

src/views/charts/CalloutChartExample.vue

@@ -1,69 +0,0 @@
-<template>
-  <CChartLine
-    :datasets="defaultDatasets"
-    :options="defaultOptions"
-    :labels="['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']"
-  />
-</template>
-
-<script>
-import { CChartLine } from '@coreui/coreui-vue-chartjs'
-import { customTooltips } from '@coreui/coreui-plugin-chartjs-custom-tooltips'
-import { getColor } from '@coreui/coreui/dist/js/coreui-utilities'
-
-export default {
-  components: {
-    CChartLine
-  },
-  props: ['data', 'borderColor'],
-  computed: {
-    defaultDatasets () {
-      return [
-        {
-          backgroundColor: 'transparent',
-          borderColor: getColor(this.borderColor) || '#c2cfd6',
-          data: this.data
-        }
-      ]
-    },
-    defaultOptions () {
-      return {
-        tooltips: {
-          enabled: false,
-          custom: customTooltips,
-          intersect: true,
-          mode: 'index',
-          position: 'nearest',
-          callbacks: {
-            labelColor: function (tooltipItem, chart) {
-              return { backgroundColor: chart.data.datasets[tooltipItem.datasetIndex].backgroundColor }
-            }
-          }
-        },
-        scales: {
-          xAxes: [{
-            display: false
-          }],
-          yAxes: [{
-            display: false
-          }]
-        },
-        elements: {
-          line: {
-            borderWidth: 2
-          },
-          point: {
-            radius: 0,
-            hitRadius: 10,
-            hoverRadius: 4,
-            hoverBorderWidth: 3
-          }
-        },
-        legend: {
-          display: false
-        }
-      }
-    }
-  }
-}
-</script>