Refactor modules

src/BaseCharts/Bar.js

@@ -0,0 +1,58 @@
+import Vue from 'vue'
+import Chart from 'chart.js'
+
+export default Vue.extend({
+  template: `
+    <div>
+      <canvas id="bar-chart" width=width height=height v-el:canvas></canvas>
+    </div>
+  `,
+
+  props: {
+    width: {
+      default: 400,
+      type: Number
+    },
+    height: {
+      default: 400,
+      type: Number
+    }
+  },
+
+  data () {
+    return {
+      options: {
+        scales: {
+          yAxes: [{
+            ticks: {
+              beginAtZero: true
+            },
+            gridLines: {
+              display: false
+            }
+          }],
+          xAxes: [ {
+            gridLines: {
+              display: false
+            },
+            categoryPercentage: 0.5,
+            barPercentage: 0.2
+          }]
+        }
+      }
+    }
+  },
+
+  methods: {
+    render (data, options = this.options) {
+      const chart = new Chart(
+        this.$els.canvas.getContext('2d'), {
+          type: 'bar',
+          data: data,
+          options: options
+        }
+      )
+      chart.generateLegend()
+    }
+  }
+})