Question:I’m refactoring a directive which adds some sort of a tooltip over the form controls on mouse hover/focus. It’s simple to use. Just add it to the element and define its text. The input you use for the text also defines the tooltip’s styling
[libError]value with non-empty string.
Answer:Yes, it is possible, but then you need to turn your
libErrorproperty into a boolean instead. For a better overview, check out boolean property coercion (this is how the CDK does it).
For an usage example, we can take a look at the
mat-divider. It uses boolean coercion to allow us to write something as simple as this:
If you have better answer, please add a comment about this, thank you!