Function getNestedItem

yaml-flow-editor/src/utils/flow-utils.ts:85–125

(
  currentData: any,
  pathParts: string[],
  targetIndex: number
)

// Get item at specific path and index
export const getNestedItem = (
  currentData: any,
  pathParts: string[],
  targetIndex: number
): FlowNodeData | null => {
  if (pathParts.length === 0 || currentData == null) return null;

  const [head, ...tail] = pathParts;
  
  if (!isNaN(Number(head)) && Array.isArray(currentData)) {
    const index = Number(head);
    return getNestedItem(currentData[index], tail, targetIndex);
  }
  
  let realKey = head;
  let isSwitchCase = false;
  
  if (head === 'then') realKey = 'thenSteps';
  else if (head === 'else') realKey = 'elseSteps';
  else if (head === 'loop') realKey = 'loopSteps';
  else if (head === '__default__') realKey = 'defaultSteps';
  else {
    if (currentData.cases && Array.isArray(currentData.cases[head])) {
      isSwitchCase = true;
    }
  }
  
  if (tail.length === 0) {
    if (isSwitchCase) {
      return currentData.cases[head]?.[targetIndex] || null;
    } else {
      return currentData[realKey]?.[targetIndex] || null;
    }
  }
  
  if (isSwitchCase) {
     return getNestedItem(currentData.cases[head] || [], tail, targetIndex);
  } else {
     return getNestedItem(currentData[realKey] || [], tail, targetIndex);
  }
};

// Adjust target path if it was affected by source removal
export const adjustTargetPath = (sourceBranch: string, sourceIndex: number, targetBranch: string): string => {