blockly > ConnectionChecker > canConnectToPrevious_
ConnectionChecker.canConnectToPrevious_() method
Helper function for drag checking.
Signature:
protected canConnectToPrevious_(a: Connection, b: Connection): boolean;
Parameters
| Parameter | Type | Description |
|---|---|---|
| a | Connection | The connection to check, which must be a statement input or next connection. |
| b | Connection | A nearby connection to check, which must be a previous connection. |
Returns:
boolean
True if the connection is allowed, false otherwise.