fix: When component tooltip.formatter is not specified, use a specific default formatter, rather than use global tooltip.formatter as default. Fix #14939
#14972
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fix: When component
tooltip.formatteris not specified, use a specific default formatter, rather than use globaltooltip.formatteras default.That because the global
tooltip.formatteris usually configured for series. But tooltip formatter usually can not be shared by series and components (they have different params). So the globaltooltip.formatteris usually not applicable for component.This PR make a specific default tooltip formatter for component, which returns the item name.
Since
v5.1.0component tooltip inherits the configs of the global tooltip. So there is no such issue beforev5.1.0.Fix #14939
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What does this PR do?
test case: test/tooltip-component.html (the last case).