Clean up monitoring components

app/assets/javascripts/monitoring/components/dashboard.vue

 <script>
-  import _ from 'underscore';
-  import Flash from '../../flash';
-  import MonitoringService from '../services/monitoring_service';
-  import GraphGroup from './graph_group.vue';
-  import Graph from './graph.vue';
-  import EmptyState from './empty_state.vue';
-  import MonitoringStore from '../stores/monitoring_store';
-  import eventHub from '../event_hub';
+import _ from 'underscore';
+import Flash from '../../flash';
+import MonitoringService from '../services/monitoring_service';
+import GraphGroup from './graph_group.vue';
+import Graph from './graph.vue';
+import EmptyState from './empty_state.vue';
+import MonitoringStore from '../stores/monitoring_store';
+import eventHub from '../event_hub';
 
-  export default {
+export default {
   components: {
     Graph,
     GraphGroup,
     EmptyState,
   },
-
   props: {
     hasMetrics: {
       type: Boolean,
@@ -82,7 +81,6 @@
       required: true,
     },
   },
-
   data() {
     return {
       store: new MonitoringStore(),
@@ -94,7 +92,6 @@
       resizeThrottled: {},
     };
   },
-
   created() {
     this.service = new MonitoringService({
       metricsEndpoint: this.metricsEndpoint,
@@ -103,13 +100,11 @@
     eventHub.$on('toggleAspectRatio', this.toggleAspectRatio);
     eventHub.$on('hoverChanged', this.hoverChanged);
   },
-
   beforeDestroy() {
     eventHub.$off('toggleAspectRatio', this.toggleAspectRatio);
     eventHub.$off('hoverChanged', this.hoverChanged);
     window.removeEventListener('resize', this.resizeThrottled, false);
   },
-
   mounted() {
     this.resizeThrottled = _.throttle(this.resize, 600);
     if (!this.hasMetrics) {
@@ -119,14 +114,13 @@
       window.addEventListener('resize', this.resizeThrottled, false);
     }
   },
-
   methods: {
     getGraphsData() {
       this.state = 'loading';
       Promise.all([
-          this.service.getGraphsData()
-            .then(data => this.store.storeMetrics(data)),
-          this.service.getDeploymentData()
+        this.service.getGraphsData().then(data => this.store.storeMetrics(data)),
+        this.service
+          .getDeploymentData()
           .then(data => this.store.storeDeploymentData(data))
           .catch(() => new Flash('Error getting deployment information.')),
       ])
@@ -137,13 +131,13 @@
           }
           this.showEmptyState = false;
         })
-          .catch(() => { this.state = 'unableToConnect'; });
+        .catch(() => {
+          this.state = 'unableToConnect';
+        });
     },
-
     resize() {
       this.updateAspectRatio = true;
     },
-
     toggleAspectRatio() {
       this.updatedAspectRatios = this.updatedAspectRatios += 1;
       if (this.store.getMetricsCount() === this.updatedAspectRatios) {
@@ -151,12 +145,11 @@
         this.updatedAspectRatios = 0;
       }
     },
-
     hoverChanged(data) {
       this.hoverData = data;
     },
   },
-  };
+};
 </script>
 
 <template>

app/assets/javascripts/monitoring/components/empty_state.vue

 <script>
-  export default {
+export default {
   props: {
     documentationPath: {
       type: String,
@@ -79,13 +79,12 @@
     currentState() {
       return this.states[this.selectedState];
     },
-
     showButtonDescription() {
       if (this.selectedState === 'unableToConnect') return true;
       return false;
     },
   },
-  };
+};
 </script>
 
 <template>

app/assets/javascripts/monitoring/components/graph.vue

 <script>
-  import { scaleLinear, scaleTime } from 'd3-scale';
-  import { axisLeft, axisBottom } from 'd3-axis';
-  import { max, extent } from 'd3-array';
-  import { select } from 'd3-selection';
-  import GraphLegend from './graph/legend.vue';
-  import GraphFlag from './graph/flag.vue';
-  import GraphDeployment from './graph/deployment.vue';
-  import GraphPath from './graph/path.vue';
-  import MonitoringMixin from '../mixins/monitoring_mixins';
-  import eventHub from '../event_hub';
-  import measurements from '../utils/measurements';
-  import { bisectDate, timeScaleFormat } from '../utils/date_time_formatters';
-  import createTimeSeries from '../utils/multiple_time_series';
-  import bp from '../../breakpoints';
+import { scaleLinear, scaleTime } from 'd3-scale';
+import { axisLeft, axisBottom } from 'd3-axis';
+import { max, extent } from 'd3-array';
+import { select } from 'd3-selection';
+import GraphLegend from './graph/legend.vue';
+import GraphFlag from './graph/flag.vue';
+import GraphDeployment from './graph/deployment.vue';
+import GraphPath from './graph/path.vue';
+import MonitoringMixin from '../mixins/monitoring_mixins';
+import eventHub from '../event_hub';
+import measurements from '../utils/measurements';
+import { bisectDate, timeScaleFormat } from '../utils/date_time_formatters';
+import createTimeSeries from '../utils/multiple_time_series';
+import bp from '../../breakpoints';
 
-  const d3 = { scaleLinear, scaleTime, axisLeft, axisBottom, max, extent, select };
+const d3 = { scaleLinear, scaleTime, axisLeft, axisBottom, max, extent, select };
 
-  export default {
+export default {
   components: {
     GraphLegend,
     GraphFlag,
     GraphDeployment,
     GraphPath,
   },
-
   mixins: [MonitoringMixin],
-
   props: {
     graphData: {
       type: Object,
@@ -63,7 +61,6 @@
       default: false,
     },
   },
-
   data() {
     return {
       baseGraphHeight: 450,
@@ -90,31 +87,25 @@
       realPixelRatio: 1,
     };
   },
-
   computed: {
     outerViewBox() {
       return `0 0 ${this.baseGraphWidth} ${this.baseGraphHeight}`;
     },
-
     innerViewBox() {
       return `0 0 ${this.baseGraphWidth - 150} ${this.baseGraphHeight}`;
     },
-
     axisTransform() {
       return `translate(70, ${this.graphHeight - 100})`;
     },
-
     paddingBottomRootSvg() {
       return {
-          paddingBottom: `${(Math.ceil(this.baseGraphHeight * 100) / this.baseGraphWidth) || 0}%`,
+        paddingBottom: `${Math.ceil(this.baseGraphHeight * 100) / this.baseGraphWidth || 0}%`,
       };
     },
-
     deploymentFlagData() {
       return this.reducedDeploymentData.find(deployment => deployment.showDeploymentFlag);
     },
   },
-
   watch: {
     updateAspectRatio() {
       if (this.updateAspectRatio) {
@@ -125,16 +116,13 @@
         eventHub.$emit('toggleAspectRatio');
       }
     },
-
     hoverData() {
       this.positionFlag();
     },
   },
-
   mounted() {
     this.draw();
   },
-
   methods: {
     draw() {
       const breakpointSize = bp.getBreakpointSize();
@@ -148,19 +136,17 @@
       this.unitOfDisplay = query.unit || '';
       this.yAxisLabel = this.graphData.y_label || 'Values';
       this.legendTitle = query.label || 'Average';
-        this.graphWidth = this.$refs.baseSvg.clientWidth -
-                     this.margin.left - this.margin.right;
+      this.graphWidth = this.$refs.baseSvg.clientWidth - this.margin.left - this.margin.right;
       this.graphHeight = this.graphHeight - this.margin.top - this.margin.bottom;
       this.baseGraphHeight = this.graphHeight;
       this.baseGraphWidth = this.graphWidth;
 
       // pixel offsets inside the svg and outside are not 1:1
-        this.realPixelRatio = (this.$refs.baseSvg.clientWidth / this.baseGraphWidth);
+      this.realPixelRatio = this.$refs.baseSvg.clientWidth / this.baseGraphWidth;
 
       this.renderAxesPaths();
       this.formatDeployments();
     },
-
     handleMouseOverGraph(e) {
       let point = this.$refs.graphData.createSVGPoint();
       point.x = e.clientX;
@@ -174,7 +160,7 @@
       const d1 = firstTimeSeries.values[overlayIndex];
       if (d0 === undefined || d1 === undefined) return;
       const evalTime = timeValueOverlay - d0[0] > d1[0] - timeValueOverlay;
-        const hoveredDataIndex = evalTime ? overlayIndex : (overlayIndex - 1);
+      const hoveredDataIndex = evalTime ? overlayIndex : overlayIndex - 1;
       const hoveredDate = firstTimeSeries.values[hoveredDataIndex].time;
       const currentDeployXPos = this.mouseOverDeployInfo(point.x);
 
@@ -183,7 +169,6 @@
         currentDeployXPos,
       });
     },
-
     renderAxesPaths() {
       this.timeSeries = createTimeSeries(
         this.graphData.queries,
@@ -198,39 +183,47 @@
         this.baseGraphHeight = this.baseGraphHeight += (this.timeSeries.length - 3) * 20;
       }
 
-        const axisXScale = d3.scaleTime()
-          .range([0, this.graphWidth - 70]);
-        const axisYScale = d3.scaleLinear()
-          .range([this.graphHeight - this.graphHeightOffset, 0]);
+      const axisXScale = d3.scaleTime().range([0, this.graphWidth - 70]);
+      const axisYScale = d3.scaleLinear().range([this.graphHeight - this.graphHeightOffset, 0]);
 
       const allValues = this.timeSeries.reduce((all, { values }) => all.concat(values), []);
       axisXScale.domain(d3.extent(allValues, d => d.time));
       axisYScale.domain([0, d3.max(allValues.map(d => d.value))]);
 
-        const xAxis = d3.axisBottom()
+      const xAxis = d3
+        .axisBottom()
         .scale(axisXScale)
         .ticks(this.graphWidth / 120)
         .tickFormat(timeScaleFormat);
 
-        const yAxis = d3.axisLeft()
+      const yAxis = d3
+        .axisLeft()
         .scale(axisYScale)
         .ticks(measurements.yTicks);
 
-        d3.select(this.$refs.baseSvg).select('.x-axis').call(xAxis);
+      d3
+        .select(this.$refs.baseSvg)
+        .select('.x-axis')
+        .call(xAxis);
 
       const width = this.graphWidth;
-        d3.select(this.$refs.baseSvg).select('.y-axis').call(yAxis)
+      d3
+        .select(this.$refs.baseSvg)
+        .select('.y-axis')
+        .call(yAxis)
         .selectAll('.tick')
         .each(function createTickLines(d, i) {
           if (i > 0) {
-              d3.select(this).select('line')
+            d3
+              .select(this)
+              .select('line')
               .attr('x2', width)
               .attr('class', 'axis-tick');
           } // Avoid adding the class to the first tick, to prevent coloring
         }); // This will select all of the ticks once they're rendered
     },
   },
-  };
+};
 </script>
 
 <template>

app/assets/javascripts/monitoring/components/graph/deployment.vue

 <script>
-  export default {
+export default {
   props: {
     deploymentData: {
       type: Array,
@@ -14,19 +14,17 @@
       required: true,
     },
   },
-
   computed: {
     calculatedHeight() {
       return this.graphHeight - this.graphHeightOffset;
     },
   },
-
   methods: {
     transformDeploymentGroup(deployment) {
       return `translate(${Math.floor(deployment.xPos) - 5}, 20)`;
     },
   },
-  };
+};
 </script>
 <template>
   <g class="deploy-info">

app/assets/javascripts/monitoring/components/graph/flag.vue

 <script>
-  import { dateFormat, timeFormat } from '../../utils/date_time_formatters';
-  import { formatRelevantDigits } from '../../../lib/utils/number_utils';
-  import icon from '../../../vue_shared/components/icon.vue';
+import { dateFormat, timeFormat } from '../../utils/date_time_formatters';
+import { formatRelevantDigits } from '../../../lib/utils/number_utils';
+import icon from '../../../vue_shared/components/icon.vue';
 
-  export default {
+export default {
   components: {
     icon,
   },
@@ -54,24 +54,21 @@
       required: true,
     },
   },
-
   computed: {
     formatTime() {
-        return this.deploymentFlagData ?
-          timeFormat(this.deploymentFlagData.time) :
-          timeFormat(this.currentData.time);
+      return this.deploymentFlagData
+        ? timeFormat(this.deploymentFlagData.time)
+        : timeFormat(this.currentData.time);
     },
-
     formatDate() {
-        return this.deploymentFlagData ?
-          dateFormat(this.deploymentFlagData.time) :
-          dateFormat(this.currentData.time);
+      return this.deploymentFlagData
+        ? dateFormat(this.deploymentFlagData.time)
+        : dateFormat(this.currentData.time);
     },
-
     cursorStyle() {
-        const xCoordinate = this.deploymentFlagData ?
-          this.deploymentFlagData.xPos :
-          this.currentXCoordinate;
+      const xCoordinate = this.deploymentFlagData
+        ? this.deploymentFlagData.xPos
+        : this.currentXCoordinate;
 
       const offsetTop = 20 * this.realPixelRatio;
       const offsetLeft = (70 + xCoordinate) * this.realPixelRatio;
@@ -83,7 +80,6 @@
         height: `${height}px`,
       };
     },
-
     flagOrientation() {
       if (this.currentXCoordinate * this.realPixelRatio > 120) {
         return 'left';
@@ -91,20 +87,17 @@
       return 'right';
     },
   },
-
   methods: {
     seriesMetricValue(series) {
-        const index = this.deploymentFlagData ?
-          this.deploymentFlagData.seriesIndex :
-          this.currentDataIndex;
-        const value = series.values[index] &&
-          series.values[index].value;
+      const index = this.deploymentFlagData
+        ? this.deploymentFlagData.seriesIndex
+        : this.currentDataIndex;
+      const value = series.values[index] && series.values[index].value;
       if (isNaN(value)) {
         return '-';
       }
       return `${formatRelevantDigits(value)}${this.unitOfDisplay}`;
     },
-
     seriesMetricLabel(index, series) {
       if (this.timeSeries.length < 2) {
         return this.legendTitle;
@@ -114,14 +107,13 @@
       }
       return `series ${index + 1}`;
     },
-
     strokeDashArray(type) {
       if (type === 'dashed') return '6, 3';
       if (type === 'dotted') return '3, 3';
       return null;
     },
   },
-  };
+};
 </script>
 
 <template>

app/assets/javascripts/monitoring/components/graph/legend.vue

 <script>
-  import { formatRelevantDigits } from '../../../lib/utils/number_utils';
+import { formatRelevantDigits } from '../../../lib/utils/number_utils';
 
-  export default {
+export default {
   props: {
     graphWidth: {
       type: Number,
@@ -55,29 +55,24 @@
   },
   computed: {
     textTransform() {
-        const yCoordinate = (((this.graphHeight - this.margin.top)
-                          + this.measurements.axisLabelLineOffset) / 2) || 0;
+      const yCoordinate =
+        (this.graphHeight - this.margin.top + this.measurements.axisLabelLineOffset) / 2 || 0;
 
       return `translate(15, ${yCoordinate}) rotate(-90)`;
     },
-
     rectTransform() {
-        const yCoordinate = (((this.graphHeight - this.margin.top)
-                            + this.measurements.axisLabelLineOffset) / 2)
-                            + (this.yLabelWidth / 2) || 0;
+      const yCoordinate =
+        (this.graphHeight - this.margin.top + this.measurements.axisLabelLineOffset) / 2 +
+          this.yLabelWidth / 2 || 0;
 
       return `translate(0, ${yCoordinate}) rotate(-90)`;
     },
-
     xPosition() {
-        return (((this.graphWidth + this.measurements.axisLabelLineOffset) / 2)
-               - this.margin.right) || 0;
+      return (this.graphWidth + this.measurements.axisLabelLineOffset) / 2 - this.margin.right || 0;
     },
-
     yPosition() {
-        return ((this.graphHeight - this.margin.top) + this.measurements.axisLabelLineOffset) || 0;
+      return this.graphHeight - this.margin.top + this.measurements.axisLabelLineOffset || 0;
     },
-
   },
   mounted() {
     this.$nextTick(() => {
@@ -96,32 +91,29 @@
   },
   methods: {
     translateLegendGroup(index) {
-        return `translate(0, ${12 * (index)})`;
+      return `translate(0, ${12 * index})`;
     },
-
     formatMetricUsage(series) {
-        const value = series.values[this.currentDataIndex] &&
-          series.values[this.currentDataIndex].value;
+      const value =
+        series.values[this.currentDataIndex] && series.values[this.currentDataIndex].value;
       if (isNaN(value)) {
         return '-';
       }
       return `${formatRelevantDigits(value)} ${this.unitOfDisplay}`;
     },
-
     createSeriesString(index, series) {
       if (series.metricTag) {
         return `${series.metricTag} ${this.formatMetricUsage(series)}`;
       }
       return `${this.legendTitle} series ${index + 1} ${this.formatMetricUsage(series)}`;
     },
-
     strokeDashArray(type) {
       if (type === 'dashed') return '6, 3';
       if (type === 'dotted') return '3, 3';
       return null;
     },
   },
-  };
+};
 </script>
 <template>
   <g class="axis-label-container">

app/assets/javascripts/monitoring/components/graph/path.vue

 <script>
-  export default {
+export default {
   props: {
     generatedLinePath: {
       type: String,
@@ -30,7 +30,7 @@
       return null;
     },
   },
-  };
+};
 </script>
 <template>
   <g>

app/assets/javascripts/monitoring/components/graph_group.vue

 <script>
-  export default {
+export default {
   props: {
     name: {
       type: String,
@@ -11,7 +11,7 @@
       default: true,
     },
   },
-  };
+};
 </script>
 
 <template>