fix: 判断提前,预防time类型出现的错误 (#3258)

Co-authored-by: liufu.lf <liufu.lf@antfin.com>
antvis · Feb 2, 2021 · a143ef5 · a143ef5
1 parent a26c073
commit a143ef5
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/src/chart/controller/slider.ts b/src/chart/controller/slider.ts
@@ -308,15 +308,13 @@ export default class Slider extends Controller<SliderOption> {
   private changeViewData(min: number, max: number) {
     const data = this.view.getOptions().data;
     const xScale = this.view.getXScale();
-    const isHorizontal = true;
-    const values = valuesOfKey(data, xScale.field);
-    const xValues = isHorizontal ? values : values.reverse();
     const dataSize = size(data);
-
     if (!xScale || !dataSize) {
       return;
     }
-
+    const isHorizontal = true;
+    const values = valuesOfKey(data, xScale.field);
+    const xValues = isHorizontal ? values : values.reverse();
     const xTickCount = size(xValues);
 
     const minIndex = Math.floor(min * (xTickCount - 1));