susiwen8 commented on a change in pull request #16614:
URL: https://github.com/apache/echarts/pull/16614#discussion_r817776535
##########
File path: src/visual/VisualMapping.ts
##########
@@ -693,7 +694,11 @@ function setVisualToOption(thisOption:
VisualMappingInnerOption, visualArr: Visu
thisOption.visual = visualArr;
if (thisOption.type === 'color') {
thisOption.parsedVisual = zrUtil.map(visualArr, function (item:
string) {
- return zrColor.parse(item);
+ const color = zrColor.parse(item);
+ if (!color && __DEV__) {
+ warn(`'${item}' is an illegal color, fallback to '#000000'`,
true);
+ }
+ return zrColor.parse(item) || [0, 0, 0, 1];
Review comment:
Right.
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