mistercrunch commented on a change in pull request #4651: [WiP] [explore]
proper filtering of NULLs and ''
URL:
https://github.com/apache/incubator-superset/pull/4651#discussion_r176615844
##########
File path: superset/assets/javascripts/components/AlteredSliceTag.jsx
##########
@@ -61,7 +61,7 @@ export default class AlteredSliceTag extends React.Component
{
return '[]';
}
return value.map((v) => {
- const filterVal = v.val.constructor === Array ? `[${v.val.join(',
')}]` : v.val;
+ const filterVal = v.val && v.val.constructor === Array ?
`[${v.val.join(', ')}]` : v.val;
Review comment:
Didn't write that line but FWIW someone on StackOverflow says it's the best
way
https://stackoverflow.com/questions/767486/how-do-you-check-if-a-variable-is-an-array-in-javascript
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