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A stream of ITargetSelectionRange objects. When the sink stream emits an event, the specified range will be selected.
Returns
SelectionSource
SelectionSource
A Cycle.js source that provides access to user selections.
Methods
.selections(selector)
Returns a stream of ISelectionRange objects which represent the current user selection. The stream will emit each time the selectionchange event is fired and the selection matches the specified selector. null will be emitted when the selection changes to no longer match the specified selector.
Arguments
selector
A string that allows you to filter the selections to a specific element and its descendants. Selections that occur in an element that doesn't match the selector will be ignored. The selector should be a valid css selector string.
Returns
ISelectionRange for selection change events that match the specified selector; else, null.
ISelectionRange
A range of text selected by the user or the current position of the caret.
Properties
anchorNode - The node where the user began their selection
anchorOffset - Character offset relative to the anchorNode where the user began their selection
endElement - Element where the selection ends (matches or comes after the startElement)
endOffset - Character offset relative to the endElement where the selection ends (matches or comes after the startOffset)
focusNode - The node where the user finished their selection
focusOffset - Character offset relative to the focusNode where the user finished their selection
rootElement - Root element for the selection based on the specified selector
startElement - Element where the selection starts (matches or comes before the endElement)
startOffset - Character offset relative to the startElement where the selection starts (matches or comes before the endOffset)
text - Selected text
ITargetSelectionRange
An object representing a range of text to be selected.
Properties
endNode - Node or css selector matching the node where the selection should end
endOffset - Character offset of the end of the selection range relative to the endNode.
startNode - Node or css selector matching the node where the selection should start
startOffset - Character offset of the start of the selection range relative to the startNode