From 9e6b16a510b2851e20206790b68151e9b27e70f1 Mon Sep 17 00:00:00 2001
From: xiguaxigua <xiguaxigua888@gmail.com>
Date: Tue, 10 Jul 2018 11:35:12 +0800
Subject: [PATCH] fix(heatmap): display error while data us empty

---
 src/packages/heatmap/main.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/packages/heatmap/main.js b/src/packages/heatmap/main.js
index 9323551..5c6e929 100644
--- a/src/packages/heatmap/main.js
+++ b/src/packages/heatmap/main.js
@@ -41,7 +41,7 @@ function getAxis (list, name) {
 }
 
 function getVisualMap (args) {
-  const { innerMin: min, innerMax: max, type, heatColor } = args
+  const { innerMin: min, innerMax: max, type, heatColor, series } = args
   let result = {
     min,
     max,
@@ -55,6 +55,7 @@ function getVisualMap (args) {
       bottom: 0,
       inRange: { color: heatColor || HEAT_MAP_COLOR }
     }
+    if (!series[0].data.length) extra.show = false
   } else if (type === 'bmap' || type === 'amap') {
     extra = {
       show: false,
@@ -167,14 +168,15 @@ export const heatmap = (columns, rows, settings, status) => {
       extraMetrics
     })
   }
-  const metricsList = metrics ? rows.map(row => row[metrics]) : [0, 5]
+  let metricsList = metrics ? rows.map(row => row[metrics]) : [0, 5]
+  if (!metricsList.length) metricsList = [0]
   const innerMin = min || Math.min.apply(null, metricsList)
   const innerMax = max || Math.max.apply(null, metricsList)
 
   const xAxis = getAxis(innerXAxisList, xAxisName)
   const yAxis = getAxis(innerYAxisList, yAxisName)
-  const visualMap = getVisualMap({ innerMin, innerMax, type, heatColor })
   const series = getSeries({ chartData })
+  const visualMap = getVisualMap({ innerMin, innerMax, type, heatColor, series })
   const tooltip = tooltipVisible && getTooltip({
     dataType,
     innerXAxisList,
@@ -193,7 +195,6 @@ export const heatmap = (columns, rows, settings, status) => {
     })
   } else if (type === 'map') {
     options.series[0].coordinateSystem = 'geo'
-
     return getMapJSON({
       position,
       positionJsonLink,