utils/browser/events/events library

Functions

anyParentHasAttribute(Element? target, String attribute) → bool

Return true if the element or any of its ancestors have an attribute.

anyParentHasClass(Element target, String className) → bool

Return true if the element or any of its ancestors have the given class.

anyParentHasTag(Element? target, String componentTag) → bool

Return true if the element or any of its ancestors have the given tag.

closestWithClass(Element? target, String className) → Element?

This element or the closest of its ancestor with the given class.

compareDocumentPosition(Node a, Node b) → int

A Comparator for sorting Nodes based on document order.

isKeyboardTrigger(KeyboardEvent event) → bool

isParentOf(Element? element, Node? node) → bool

Whether element is a parent of node in the dom tree.

isSpaceKey(KeyboardEvent event) → bool

Determines if the space key was pressed in a KeyboardEvent.

isStandardMouseEvent(MouseEvent event) → bool

Whether the MouseEvent was initiated with the primary mouse button and no modifier keys were used.

isStandardTriggerEvent(UIEvent event) → bool

Whether the UIEvent is a standard trigger event without modifier keys.

not<T>(Predicate<T> predicate) → Predicate<T>

onResize(Element element) → Stream<Rectangle<num>?>

A stream of contect rects fired when element changes size.

triggersOutside(dynamic element) → Stream<Event>

A stream of click, mouseup or focus events outside a given element.

triggersOutsideAny(Predicate<Node> checkNodeInside) → Stream<Event>

A stream of click, mouseup or focus events of any node none of whose parents pass the check inside function.

Typedefs

Predicate<T> = bool Function(T value)