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@@ -1,165 +1,96 @@
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+'use strict';
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+
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/**
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* Created by Tony on 2017/3/14.
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*/
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-// import fs from 'fs';
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-//
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-// function getTreeNodeUtil() {
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-// let tmpRst = null;
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-// let data = fs.readFileSync(__dirname + '/web/treeDataHelper.js', 'utf8', 'r');
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-// //console.log(data);
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-// eval(data + ' ; tmpRst = tree_Data_Helper; ');
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-// return tmpRst;
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-// }
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-//
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-// const treeNodeUtil = getTreeNodeUtil();
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-
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+const NODE_ID = 'ledger_id';
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+const P_ID = 'ledger_pid';
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+const NEXT_ID = 'NextSiblingID';
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+const ADHOC_PRE_ID = 'Previous_ID';
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+const ORDER_ID = 'order';
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+const CHILDREN_NODE = 'items';
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+const SUB_ID = 'sub_ids';
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+const EMPTY_ID_VAL = -1;
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+const TREE_LEVEL = 'treeLevel';
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+const TOP_BILL_ID = 'topBillID';
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+const TREE_FLAT_SERIAL_ORDER = 'treeFlatSerialOrder';
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-const NODE_ID = "ID", P_ID = "ParentID", NEXT_ID = "NextSiblingID", ADHOC_PRE_ID="Previous_ID", CHILDREN_NODE = "items", SUB_ID = "sub_ids",
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- EMPTY_ID_VAL = -1, TREE_LEVEL = 'treeLevel', TOP_BILL_ID = "topBillID", TREE_FLAT_SERIAL_ORDER = "treeFlatSerialOrder";
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+function sortOder(item1, item2) {
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+ return parseInt(item1[ORDER_ID]) - parseInt(item2[ORDER_ID]);
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+}
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-let tree_Data_Helper = {
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+const tree_Data_Helper = {
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buildTreeNodeDirectly: function(data, addLevel) {
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- let topArr = [], rst = [], tmpNodes = {}, prefix = "id_";
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- let private_getStartNode = function (idArr) {
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- let tmpNodeRst = null;
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- for (let i = 0; i < idArr.length; i++) {
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- if (parseInt(tmpNodes[prefix + idArr[i]][ADHOC_PRE_ID]) === EMPTY_ID_VAL) {
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- tmpNodeRst = tmpNodes[prefix + idArr[i]];
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- break;
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- }
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- }
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- return tmpNodeRst;
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- };
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- let private_buildNodeData = function(parentItem, idArr, treeLevel, tbID) {
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- let iter = [], nextNode = private_getStartNode(idArr), pushedIds = [];
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- while (nextNode !== null && nextNode !== undefined ) {
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- if (parentItem) {
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- parentItem[CHILDREN_NODE].push(nextNode);
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- } else {
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- rst.push(nextNode);
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- }
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- iter.push(nextNode);
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- pushedIds.push(nextNode[NODE_ID]);
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- nextNode[TOP_BILL_ID] = tbID;
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- if (parentItem === null) {
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- nextNode[TOP_BILL_ID] = nextNode[NODE_ID];
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- if (nextNode.flags && nextNode.flags.length > 0) {
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- for (let flag of nextNode.flags) {
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- if (flag.fieldName === "fixed") {
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- nextNode[TOP_BILL_ID] = flag.flag;
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- break;
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- }
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- }
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- }
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- }
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- if (addLevel) nextNode[TREE_LEVEL] = treeLevel;
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- nextNode = tmpNodes[prefix + nextNode[NEXT_ID]];
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- if (nextNode === null || nextNode === undefined) {
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- //备注: 考虑到实际数据的健壮性,有些节点会掉链子,需要用 parentItem[SUB_ID] 比对已经加上的节点,如发现加上的节点数量不够,那就得在这里补充上去
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- if (parentItem) {
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- if (parentItem[SUB_ID].length > iter.length) {
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- for (let subId of parentItem[SUB_ID]) {
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- if (pushedIds.indexOf(subId) < 0) {
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- let restNode = tmpNodes[prefix + subId];
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- if (addLevel) restNode[TREE_LEVEL] = treeLevel;
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- restNode[TOP_BILL_ID] = tbID;
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- parentItem[CHILDREN_NODE].push(restNode);
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- iter.push(restNode);
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- }
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- }
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- }
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- } else {
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- if (idArr.length > iter.length) {
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- for (let topId of idArr) {
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- if (pushedIds.indexOf(topId) < 0) {
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- let restNode = tmpNodes[prefix + topId];
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- if (addLevel) restNode[TREE_LEVEL] = treeLevel;
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- restNode[TOP_BILL_ID] = restNode[NODE_ID];
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- if (restNode.flags && restNode.flags.length > 0) {
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- for (let flag of restNode.flags) {
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- if (flag.fieldName === "fixed") {
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- restNode[TOP_BILL_ID] = flag.flag;
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- break;
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- }
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- }
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- }
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- rst.push(restNode);
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- iter.push(restNode);
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- }
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- }
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- }
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- }
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- }
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+ const topArr = [];
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+ const rst = [];
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+ const nodeCache = {};
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+ const prefix = 'id_';
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+ const private_buildNodeData = function(node, treeLevel, tbID) {
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+ const stbID = (tbID === -1) ? node[NODE_ID] : tbID;
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+ node[TOP_BILL_ID] = stbID;
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+ if (addLevel) {
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+ node[TREE_LEVEL] = treeLevel;
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}
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- pushedIds = [];
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- for (let i = 0; i < iter.length; i++) {
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- let rtbID = tbID;
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- if (parentItem === null) {
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- rtbID = iter[i][TOP_BILL_ID];
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+ if (node[CHILDREN_NODE].length > 0) {
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+ node[CHILDREN_NODE].sort(sortOder);
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+ for (const subNode of node[CHILDREN_NODE]) {
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+ private_buildNodeData(subNode, treeLevel + 1, tbID);
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}
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- private_buildNodeData(iter[i], iter[i][SUB_ID], (treeLevel + 1), rtbID);
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}
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};
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- //1. 给每个节点设置key, 顺便找Top Node
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+ // 1. 给每个节点设置key, 顺便找Top Node
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for (let i = 0; i < data.length; i++) {
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- tmpNodes[prefix + data[i][NODE_ID]] = data[i];
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- data[i][ADHOC_PRE_ID] = EMPTY_ID_VAL;
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- data[i][SUB_ID] = [];
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+ nodeCache[prefix + data[i][NODE_ID]] = data[i];
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data[i][CHILDREN_NODE] = [];
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if (parseInt(data[i][P_ID]) === EMPTY_ID_VAL) {
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- topArr.push(data[i][NODE_ID]);
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+ topArr.push(data[i]);
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}
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}
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- //2. 通过key,设置好兄弟/父子关系
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+ // 2. 通过key,设置父子关系,然后通过order来排序
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for (let psi = 0; psi < data.length; psi++) {
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- if (parseInt(data[psi][NEXT_ID]) !== EMPTY_ID_VAL) {
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- if (tmpNodes[prefix + data[psi][NEXT_ID]] !== undefined){
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- if (tmpNodes[prefix + data[psi][NEXT_ID]][P_ID] === data[psi][P_ID]) {
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- tmpNodes[prefix + data[psi][NEXT_ID]][ADHOC_PRE_ID] = data[psi][NODE_ID];
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- } else {
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- tmpNodes[prefix + data[psi][NEXT_ID]][ADHOC_PRE_ID] = EMPTY_ID_VAL;
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- data[psi][NEXT_ID] = EMPTY_ID_VAL;
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- }
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- }
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- }
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if (parseInt(data[psi][P_ID]) !== EMPTY_ID_VAL) {
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- tmpNodes[prefix + data[psi][P_ID]][SUB_ID].push(data[psi][NODE_ID]);
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+ const pNode = nodeCache[prefix + data[psi][P_ID]];
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+ if (pNode) {
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+ pNode[CHILDREN_NODE].push(data[psi]);
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+ } else {
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+ console.log('warning: no parent node was found!');
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+ }
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}
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}
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- //3. 开build
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- private_buildNodeData(null, topArr, 0, -1);
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- //try to release and return
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- tmpNodes = null;
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+ // 3. 开build
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+ topArr.sort(sortOder);
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+ for (const topNode of topArr) {
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+ private_buildNodeData(topNode, 0, -1);
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+ }
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+ // try to release and return
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+ // nodeCache = null;
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topArr.length = 0;
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return rst;
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},
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- getFlatArray: function (srcArr, destArr, addSerialOrder) {
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+ getFlatArray: function(srcArr, destArr, addSerialOrder) {
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let serialStartOrder = 0;
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- let private_put = function (parentItem) {
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+ const private_put = function(parentItem) {
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if (addSerialOrder) {
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parentItem[TREE_FLAT_SERIAL_ORDER] = serialStartOrder;
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serialStartOrder++;
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- //说明:当清单通过树排序后,为了后续的排序方便,有必要加这个序号,并作为指标提供
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+ // 说明:当清单通过树排序后,为了后续的排序方便,有必要加这个序号,并作为指标提供
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}
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destArr.push(parentItem);
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- if (parentItem.items) {
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- for (let subItem of parentItem.items) {
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+ if (parentItem[CHILDREN_NODE]) {
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+ for (const subItem of parentItem[CHILDREN_NODE]) {
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private_put(subItem);
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}
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}
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}
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- for (let node of srcArr) {
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+ for (const node of srcArr) {
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private_put(node);
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}
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- for (let item of destArr) {
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+ for (const item of destArr) {
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delete item[CHILDREN_NODE];
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- delete item[SUB_ID];
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- delete item[ADHOC_PRE_ID];
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}
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- }
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+ },
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};
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-
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-module.exports = tree_Data_Helper;
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+module.exports = tree_Data_Helper;
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