148 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| Object.defineProperty(exports, "__esModule", {
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|   value: true
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| });
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| exports.createPath = createPath;
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| 
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| function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
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| 
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| function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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| 
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| function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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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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| function createPath(context) {
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|   var path = _objectSpread({}, 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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| } |