TreeViewFilterSettings

Name	Type	Default	Description
ignoreCase?	boolean		Determines if the string comparison is case-insensitive. By defualt, a case-insensitive filtering will be performed.
mode?	"strict" | "lenient"		Determines the behavior of the filtering algorithm. "strict"—does not show child nodes of filter matches. Instead, only matching nodes themselves are displayed. "lenient"—all child nodes of each filter match are included in the filter results. The default mode is "lenient"
operator?	MatcherFunction | "contains" | "doesnotcontain" | "startswith" | "doesnotstartwith" | "endswith" | "doesnotendwith"		The filter operator (comparison). The supported operators are: "contains" "doesnotcontain" "startswith" "doesnotstartwith" "endswith" "doesnotendwith" The default operator is "contains". A custom matcher function can also be provided to the filter settings object: ts const matcher: MatcherFunction = (dataItem: object, searchTerm: string) => dataItem.firstName.indexOf(searchTerm) >= 0;