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allow t.map render fn to not return a dom node

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This commit is contained in:
Bruno Windels 2021-04-01 14:59:18 +02:00
parent 3f36ea04f4
commit 010b782a96
1 changed files with 5 additions and 1 deletions
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6
src/platform/web/ui/general/TemplateView.js
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@ -322,7 +322,11 @@ class TemplateBuilder {
map(mapFn, renderFn) {
return this.mapView(mapFn, mappedValue => {
return new TemplateView(this._value, (t, vm) => {
return renderFn(mappedValue, t, vm);
const rootNode = renderFn(mappedValue, t, vm);
if (!rootNode) {
return document.createComment("map placeholder");
}
return rootNode;
});
});
}