TextAnnotationDirection API in JavaScript Diagram API control

Specifies the direction for text annotation.

Auto - Specifies the direction as auto to switch the direction based on the connector position.
Left - Specifies the direction as left when the absolute angle as 180 degree.
Right - Specifies the direction as right when the absolute angle as 0 degree.
Top - Specifies the direction as top when the absolute angle as 270 degree or -90 degree.
Bottom - Specifies the direction as bottom when the absolute angle as 90 degree.
Auto
Left
Right
Top
Bottom

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