* Calculates the Y offset for a source handle based on block type and handle ID.
(block: BlockState, sourceHandle?: string | null)
| 24 | * Calculates the Y offset for a source handle based on block type and handle ID. |
| 25 | */ |
| 26 | function getSourceHandleYOffset(block: BlockState, sourceHandle?: string | null): number { |
| 27 | if (sourceHandle === 'error') { |
| 28 | const blockHeight = block.height || BLOCK_DIMENSIONS.MIN_HEIGHT |
| 29 | return blockHeight - HANDLE_POSITIONS.ERROR_BOTTOM_OFFSET |
| 30 | } |
| 31 | |
| 32 | if (sourceHandle && SUBFLOW_START_HANDLES.has(sourceHandle)) { |
| 33 | return HANDLE_POSITIONS.SUBFLOW_START_Y_OFFSET |
| 34 | } |
| 35 | |
| 36 | if (block.type === 'condition' && sourceHandle?.startsWith(EDGE.CONDITION_PREFIX)) { |
| 37 | const conditionId = sourceHandle.replace(EDGE.CONDITION_PREFIX, '') |
| 38 | try { |
| 39 | const conditionsValue = block.subBlocks?.conditions?.value |
| 40 | if (typeof conditionsValue === 'string' && conditionsValue) { |
| 41 | const conditions = JSON.parse(conditionsValue) as Array<{ id?: string }> |
| 42 | const conditionIndex = conditions.findIndex((c) => c.id === conditionId) |
| 43 | if (conditionIndex >= 0) { |
| 44 | return ( |
| 45 | HANDLE_POSITIONS.CONDITION_START_Y + |
| 46 | conditionIndex * HANDLE_POSITIONS.CONDITION_ROW_HEIGHT |
| 47 | ) |
| 48 | } |
| 49 | } |
| 50 | } catch { |
| 51 | // Fall back to default offset |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | return HANDLE_POSITIONS.DEFAULT_Y_OFFSET |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Calculates the Y offset for a target handle based on block type and handle ID. |
no test coverage detected