Andrew Scott
9cd3583920
An `ng-template` with an inline template (i.e. has a structural directive) would previously not get an `undefined` `tagName` because the logic assumed the element would be `t.Element` or `t.Content` and read the tag name from the `name` property. For a `t.Template`, this exists instead on the `t.tagName`. The final result would be an `tagName` of `undefined` for the parent `t.Template`, causing failures in the indexer downstream. This `undefined` value is actually expected in the renderer code, even though the type does not specify this possibility. This change updates the type of `tagName` to be `string|null` and explicitly handles the case where there is a structural directive on an `ng-template`. You can see how the two are differentiated in the compliance code that was modified in this commit. PR Close #44788
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