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							137 lines
						
					
					
						
							3.5 KiB
						
					
					
				
			
		
		
	
	
							137 lines
						
					
					
						
							3.5 KiB
						
					
					
				function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } | 
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 | 
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function findParent(_ref, cb) { | 
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  var parentPath = _ref.parentPath; | 
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 | 
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  if (parentPath == null) { | 
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    throw new Error("node is root"); | 
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  } | 
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 | 
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  var currentPath = parentPath; | 
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 | 
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  while (cb(currentPath) !== false) { | 
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    // Hit the root node, stop | 
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    // $FlowIgnore | 
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    if (currentPath.parentPath == null) { | 
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      return null; | 
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    } // $FlowIgnore | 
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 | 
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 | 
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    currentPath = currentPath.parentPath; | 
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  } | 
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 | 
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  return currentPath.node; | 
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} | 
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 | 
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function insertBefore(context, newNode) { | 
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  return insert(context, newNode); | 
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} | 
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 | 
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function insertAfter(context, newNode) { | 
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  return insert(context, newNode, 1); | 
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} | 
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 | 
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function insert(_ref2, newNode) { | 
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  var node = _ref2.node, | 
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      inList = _ref2.inList, | 
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      parentPath = _ref2.parentPath, | 
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      parentKey = _ref2.parentKey; | 
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  var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0; | 
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 | 
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  if (!inList) { | 
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    throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown")); | 
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  } | 
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 | 
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  if (!(parentPath != null)) { | 
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    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown")); | 
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  } | 
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 | 
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  // $FlowIgnore | 
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  var parentList = parentPath.node[parentKey]; | 
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  var indexInList = parentList.findIndex(function (n) { | 
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    return n === node; | 
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  }); | 
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  parentList.splice(indexInList + indexOffset, 0, newNode); | 
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} | 
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 | 
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function remove(_ref3) { | 
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  var node = _ref3.node, | 
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      parentKey = _ref3.parentKey, | 
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      parentPath = _ref3.parentPath; | 
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 | 
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  if (!(parentPath != null)) { | 
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    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown")); | 
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  } | 
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 | 
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  // $FlowIgnore | 
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  var parentNode = parentPath.node; // $FlowIgnore | 
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 | 
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  var parentProperty = parentNode[parentKey]; | 
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 | 
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  if (Array.isArray(parentProperty)) { | 
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    // $FlowIgnore | 
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    parentNode[parentKey] = parentProperty.filter(function (n) { | 
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      return n !== node; | 
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    }); | 
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  } else { | 
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    // $FlowIgnore | 
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    delete parentNode[parentKey]; | 
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  } | 
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 | 
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  node._deleted = true; | 
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} | 
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 | 
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function stop(context) { | 
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  context.shouldStop = true; | 
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} | 
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 | 
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function replaceWith(context, newNode) { | 
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  // $FlowIgnore | 
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  var parentNode = context.parentPath.node; // $FlowIgnore | 
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 | 
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  var parentProperty = parentNode[context.parentKey]; | 
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 | 
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  if (Array.isArray(parentProperty)) { | 
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    var indexInList = parentProperty.findIndex(function (n) { | 
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      return n === context.node; | 
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    }); | 
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    parentProperty.splice(indexInList, 1, newNode); | 
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  } else { | 
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    // $FlowIgnore | 
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    parentNode[context.parentKey] = newNode; | 
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  } | 
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 | 
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  context.node._deleted = true; | 
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  context.node = newNode; | 
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} // bind the context to the first argument of node operations | 
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 | 
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 | 
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function bindNodeOperations(operations, context) { | 
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  var keys = Object.keys(operations); | 
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  var boundOperations = {}; | 
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  keys.forEach(function (key) { | 
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    boundOperations[key] = operations[key].bind(null, context); | 
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  }); | 
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  return boundOperations; | 
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} | 
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 | 
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function createPathOperations(context) { | 
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  // $FlowIgnore | 
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  return bindNodeOperations({ | 
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    findParent: findParent, | 
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    replaceWith: replaceWith, | 
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    remove: remove, | 
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    insertBefore: insertBefore, | 
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    insertAfter: insertAfter, | 
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    stop: stop | 
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  }, context); | 
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} | 
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 | 
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export function createPath(context) { | 
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  var path = _extends({}, context); // $FlowIgnore | 
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 | 
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 | 
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  Object.assign(path, createPathOperations(path)); // $FlowIgnore | 
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 | 
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  return path; | 
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} |