How to use HuffmanTreeNode method in wpt

Best JavaScript code snippet using wpt

11-huffmanTree.js

Source:11-huffmanTree.js Github

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...126 //return ;127 let huffmanTree = null;128 for (let i = 1; i < heapSize; i++) {129 //console.log(minHeap.size);130 huffmanTree = new HuffmanTreeNode({weight:0, data: 'node'});131 let leftNode = minHeap.deleteMin();132 leftNode.binaryFlag = 0;133 leftNode.parent = huffmanTree; //134 huffmanTree.left = leftNode;135 let rightNode = minHeap.deleteMin();136 rightNode.binaryFlag = 1;137 rightNode.parent = huffmanTree; //138 huffmanTree.right = rightNode;139 //console.log(huffmanTree.left.weight , huffmanTree.right.weight);140 huffmanTree.weight = huffmanTree.left.weight + huffmanTree.right.weight;141 minHeap.insert(huffmanTree);142 }143 huffmanTree = minHeap.deleteMin();144 //console.dir(minHeap);145 return huffmanTree;146}147function travel (tree, arr) {148 if(!tree) {149 return;150 }151 if(!tree.left && !tree.right) {152 arr.push(tree);153 return;154 }155 travel(tree.left, arr);156 travel(tree.right, arr);157}158// 显示哈夫曼编码159function printHuffmanCode(tree) {160 let leafArr = [];161 travel(tree, leafArr);162 leafArr.forEach(function (node) {163 let str = node.data+"'s 哈夫曼编码是 ";164 let binaryArr = [];165 while(node && node.binaryFlag !== -1) {166 binaryArr.push(node.binaryFlag);167 node = node.parent;168 }169 str += binaryArr.reverse().join("");170 console.log(str);171 });172}173// 测试数据174let testData = [175 new HuffmanTreeNode({weight:1, data: 'A'}),176 new HuffmanTreeNode({weight:2, data: 'B'}),177 new HuffmanTreeNode({weight: 8, data: 'F'}),178 new HuffmanTreeNode({weight:21, data: 'U'}),179 new HuffmanTreeNode({weight:12, data: 'P'}),180 new HuffmanTreeNode({weight:5, data: 'O'})];181let hfTree = createHuffmanTree(testData);182console.log(hfTree);...

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创建最优二叉树（哈夫曼）.js

Source:创建最优二叉树（哈夫曼）.js Github

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...82 if (set[str[i]]) {83 set[str[i]].weight++84 } else {85 // 所有叶节点都有相应对应的char86 set[str[i]] = new HuffmanTreeNode({87 weight: 1,88 char: str[i],89 })90 }91 }92 return new heapMin(Object.values(set));93 }94 createHuffmanTree (str) {95 let heap = this.calcHeap(str);96 console.log(heap);97 while (heap.size() > 1) {98 let min1 = heap.pop();99 let min2 = heap.pop();100 console.log(min1.weight, min2.weight);101 // 生成的非叶节点都是没有，char的102 let parent = new HuffmanTreeNode({103 weight: min1.weight + min2.weight,104 left: min1,105 right: min2,106 });107 heap.push(parent);108 }109 // 这里pop的是最后push进去的parent110 this.huffmanTree = heap.pop();111 }112 /**113 * @author Nzq114 * @date 2019/3/10115 * @Description: 递归哈夫曼树，生成对应字符串的编码表116 * @Param: HuffmanTreeNode：当前要递归的结点， 左0 右1...

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index.ts

Source:index.ts Github

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1type dataType = {2 key: string | null;3 value: number;4};5class HuffManTreeNode {6 public left: HuffManTreeNode | null;7 public right: HuffManTreeNode | null;8 public data: dataType;9 constructor(10 left: HuffManTreeNode | null,11 right: HuffManTreeNode | null,12 data: dataType13 ) {14 this.left = left;15 this.right = right;16 this.data = data;17 }18}19interface IHuffman {20 str: string;21 enCode: () => string;22}23class Huffman implements IHuffman {24 public str: string; //文本25 private charCountMap: Map<string | null, number> = new Map();26 private charCodeMap: Map<string | null, string> = new Map();27 private sortArray: Array<dataType> = [];28 constructor(str: string) {29 this.str = str;30 }31 // 计算每个字母出现的频率32 private calc(): void {33 const map: Map<string | null, number> = new Map();34 for (let i: number = 0; i < this.str.length; i++) {35 if (map.has(this.str[i])) {36 const value: number = map.get(this.str[i]) as number;37 map.set(this.str[i], value + 1);38 } else {39 map.set(this.str[i], 1);40 }41 }42 console.log({ map });43 this.charCountMap = map;44 }45 // 将字母按照出现的频率排序46 private sort(): void {47 const result: Array<dataType> = [];48 this.charCountMap.forEach((value, key) => {49 const ele = {50 key,51 value,52 };53 result.push(ele);54 });55 result.sort(function (x, y) {56 return x.value - y.value;57 });58 console.log({ sortArray: result });59 this.sortArray = result;60 }61 // 生成哈夫曼🌲62 private makeHuffmanTree(): HuffManTreeNode {63 const ind: number = 0;64 let parentNode: HuffManTreeNode;65 // 数组转化成huffman节点66 const nodeList: Array<HuffManTreeNode> = this.sortArray.map((item) => {67 return new HuffManTreeNode(null, null, item);68 });69 while (nodeList.length > 1) {70 parentNode = new HuffManTreeNode(nodeList[ind], nodeList[ind + 1], {71 key: null,72 value: nodeList[ind].data.value + nodeList[ind + 1].data.value,73 });74 nodeList.splice(ind, 2); //最靠前的两位已经集成到parentNode中，移除75 nodeList.push(parentNode);76 // 排序77 nodeList.sort(function (x, y) {78 return x.data.value - y.data.value;79 });80 }81 console.log("nodeList", nodeList.length, nodeList);82 const root =83 nodeList?.[0] || new HuffManTreeNode(null, null, { key: null, value: 0 });84 console.log({ tree: root });85 return root;86 }87 // 将每个字母通过哈夫曼树转化成二进制编码88 private traversal(huffmanTree: HuffManTreeNode, code: string): void {89 if (huffmanTree.left !== null) {90 this.traversal.call(this, huffmanTree.left, code + "0");91 } else {92 this.charCodeMap.set(huffmanTree.data.key, code);93 }94 if (huffmanTree.right !== null) {95 this.traversal.call(this, huffmanTree.right, code + "1");96 } else {97 this.charCodeMap.set(huffmanTree.data.key, code);98 }99 }100 public enCode(): string {101 this.calc(); //1、计算每个字母出现的频率102 this.sort(); //2、将字母按照出现的频率排序103 const huffmanTree = this.makeHuffmanTree(); //3、生成哈夫曼🌲104 this.traversal(huffmanTree, ""); //4、将每个字母通过哈夫曼树转化成二进制编码105 console.log({ charCodeMap: this.charCodeMap });106 let result: string = "";107 for (let i: number = 0; i < this.str.length; i++) {108 result += this.charCodeMap.get(this.str[i]);109 }110 return result;111 }112}113const str1: string = "aaaaaabbbbccd";114const huffman: IHuffman = new Huffman(str1);115const res = huffman.enCode();...

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Using AI Code Generation

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1var wptree = require('wptree');2var tree = new wptree.HuffmanTreeNode();3var wptree = require('wptree');4var tree = new wptree.HuffmanTree();5var wptree = require('wptree');6var tree = new wptree.BinaryTreeNode();7var wptree = require('wptree');8var tree = new wptree.BinaryTree();9var wptree = require('wptree');10var tree = new wptree.TreeNode();11var wptree = require('wptree');12var tree = new wptree.Tree();13var wptree = require('wptree');14var tree = new wptree.Node();15var wptree = require('wptree');16var tree = new wptree.List();17var wptree = require('wptree');18var tree = new wptree.Queue();19var wptree = require('wptree');20var tree = new wptree.Stack();21var wptree = require('wptree');22var tree = new wptree.LinkedList();23var wptree = require('wptree');24var tree = new wptree.DoublyLinkedList();25var wptree = require('wptree');26var tree = new wptree.CircularLinkedList();27var wptree = require('wptree');28var tree = new wptree.CircularDoublyLinkedList();29var wptree = require('wptree');30var tree = new wptree.PriorityQueue();

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Using AI Code Generation

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1var wptree = require('./wptree.js');2var HuffmanTreeNode = wptree.HuffmanTreeNode;3var test = new HuffmanTreeNode(1, 2, 3, 4, 5);4console.log(test.getFrequency());5console.log(test.getCharacter());6console.log(test.getLeft());7console.log(test.getRight());8console.log(test.getParent());9function HuffmanTreeNode(frequency, character, left, right, parent) {10 this.frequency = frequency;11 this.character = character;12 this.left = left;13 this.right = right;14 this.parent = parent;15}16HuffmanTreeNode.prototype.getFrequency = function() {17 return this.frequency;18};19HuffmanTreeNode.prototype.getCharacter = function() {20 return this.character;21};22HuffmanTreeNode.prototype.getLeft = function() {23 return this.left;24};25HuffmanTreeNode.prototype.getRight = function() {26 return this.right;27};28HuffmanTreeNode.prototype.getParent = function() {29 return this.parent;30};31function HuffmanTree() {32 this.root = null;33}34HuffmanTree.prototype.getRoot = function() {35 return this.root;36};37HuffmanTree.prototype.setRoot = function(node) {38 this.root = node;39};40HuffmanTree.prototype.buildTree = function(charFreqs) {41 var queue = new PriorityQueue();42 for(var i = 0; i < charFreqs.length; i++) {43 var node = new HuffmanTreeNode(charFreqs[i][1], charFreqs[i][0], null, null, null);44 queue.enqueue(node);45 }46 while(queue.size() > 1) {47 var z = new HuffmanTreeNode();48 var x = queue.dequeue();49 var y = queue.dequeue();50 z.left = x;51 z.right = y;52 z.frequency = x.frequency + y.frequency;53 x.parent = z;54 y.parent = z;55 queue.enqueue(z);56 }57 this.root = queue.dequeue();58};59HuffmanTree.prototype.buildCode = function() {60 var code = new Array();61 this.buildCodeHelper(this.root, code, 0);62};63HuffmanTree.prototype.buildCodeHelper = function(node, code, top) {64 if(node.getCharacter() != null) {65 console.log(node.getCharacter() + " " + code.slice(0, top));66 } else {

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Using AI Code Generation

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1const HuffmanTreeNode = require('./wptree');2const HuffmanTree = require('./wptree');3const BitString = require('./wptree');4let test = new HuffmanTree();5let test2 = new HuffmanTreeNode();6let test3 = new BitString();7test = new HuffmanTree();8test2 = new HuffmanTreeNode();9test3 = new BitString();10test = new HuffmanTree();11test2 = new HuffmanTreeNode();12test3 = new BitString();13test = new HuffmanTree();14test2 = new HuffmanTreeNode();15test3 = new BitString();16test = new HuffmanTree();17test2 = new HuffmanTreeNode();18test3 = new BitString();19test = new HuffmanTree();20test2 = new HuffmanTreeNode();21test3 = new BitString();22test = new HuffmanTree();23test2 = new HuffmanTreeNode();24test3 = new BitString();25test = new HuffmanTree();26test2 = new HuffmanTreeNode();27test3 = new BitString();28test = new HuffmanTree();29test2 = new HuffmanTreeNode();30test3 = new BitString();31test = new HuffmanTree();

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Using AI Code Generation

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1var tree = new HuffmanTreeNode("A", 1);2tree.setLeft(new HuffmanTreeNode("B", 2));3tree.setRight(new HuffmanTreeNode("C", 3));4print(tree.toString());5print(tree.getLeft().toString());6print(tree.getRight().toString());7print(tree.getLeft().getRight().toString());8function HuffmanTreeNode(char, freq) {9 this.char = char;10 this.freq = freq;11 this.left = null;12 this.right = null;13}14HuffmanTreeNode.prototype.getChar = function() {15 return this.char;16};17HuffmanTreeNode.prototype.getFreq = function() {18 return this.freq;19};20HuffmanTreeNode.prototype.getLeft = function() {21 return this.left;22};23HuffmanTreeNode.prototype.getRight = function() {24 return this.right;25};26HuffmanTreeNode.prototype.setLeft = function(node) {27 this.left = node;28};29HuffmanTreeNode.prototype.setRight = function(node) {30 this.right = node;31};32HuffmanTreeNode.prototype.toString = function() {33 return this.char + "(" + this.freq + ")";34};35HuffmanTreeNode.prototype.toString = function() {36 return this.char + "(" + this.freq + ")";37};38HuffmanTreeNode.prototype.treeString = function() {39 var str = this.toString();40 if (this.left !== null) {41 str += " " + this.left.treeString();42 }43 if (this.right !== null) {44 str += " " + this.right.treeString();45 }46 return str;47};48HuffmanTreeNode.prototype.treeString = function() {49 var str = this.toString();50 if (this.left !== null) {51 str += " " + this.left.treeString();52 }53 if (this.right !== null

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Using AI Code Generation

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1var HuffmanTreeNode = require('./HuffmanTreeNode.js');2var htn = new HuffmanTreeNode(1, 2, 3);3console.log(htn);4function HuffmanTreeNode (value, weight, parent){5 this.value = value;6 this.weight = weight;7 this.parent = parent;8}9module.exports = HuffmanTreeNode;10var test = require("./lib/test.js");11var test = require("./test.js");12var test = require("./lib/test");13var test = require("./test");14var test = require("test");15var test = require("test.js");16var test = require("test");17var test = require("lib/test");18var test = require("lib/test.js");19var test = require("lib/test.js");20var test = require("lib/test");21var test = require("lib/test.js");22var test = require("lib/test.js");23var test = require("lib/test");24var test = require("lib/test.js");25var test = require("lib/test.js");26var test = require("lib/test");27var test = require("lib/test.js");28var test = require("lib/test.js");29var test = require("lib/test");30var test = require("lib/test.js");31var test = require("lib/test.js

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Using AI Code Generation

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1var fs = require('fs');2var HuffmanTreeNode = require('./wptree').HuffmanTreeNode;3var contents = fs.readFileSync('huffman.txt', 'utf8');4var lines = contents.split('5');6var tree = new HuffmanTreeNode(l

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Using AI Code Generation

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1var testFreqs = { a: 10, b: 20, c: 30, d: 40 };2var huffTree = new HuffmanTreeNode(testFreqs);3console.log(huffTree.toString());4var code = huffTree.getCode('a');5console.log(code);6code = huffTree.getCode('b');7console.log(code);8code = huffTree.getCode('c');9console.log(code);10code = huffTree.getCode('d');11console.log(code);12code = huffTree.getCode('e');13console.log(code);14var char = huffTree.getChar('000');15console.log(char);16char = huffTree.getChar('001');17console.log(char);18char = huffTree.getChar('010');19console.log(char);20char = huffTree.getChar('011');21console.log(char);22char = huffTree.getChar('1');23console.log(char);24char = huffTree.getChar('0');25console.log(char);26char = huffTree.getChar('00');27console.log(char);28char = huffTree.getChar('01');29console.log(char);30char = huffTree.getChar('0000');31console.log(char);32char = huffTree.getChar('0001');33console.log(char);34char = huffTree.getChar('0010');35console.log(char);36char = huffTree.getChar('0011');37console.log(char);38char = huffTree.getChar('0100');39console.log(char);

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Using AI Code Generation

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1var HuffmanTreeNode = require('wptd-huffman-tree-node');2var node = new HuffmanTreeNode('a', 5);3var node2 = new HuffmanTreeNode('b', 2, node);4var node3 = new HuffmanTreeNode('c', 3, node, node2);5var node4 = new HuffmanTreeNode('d', 7, node, node2, '101');6var node5 = new HuffmanTreeNode('e', 15, node, node2, '101', node4);7var char = node5.getChar();8var frequency = node5.getFreq();9var leftChild = node5.getLeftChild();10var rightChild = node5.getRightChild();11var code = node5.getCode();12var parent = node5.getParent();13node5.setChar('f');14node5.setFreq(23);15node5.setLeftChild(node4);16node5.setRightChild(node3);17node5.setCode('111');18node5.setParent(node2);19var char = node5.getChar();20var frequency = node5.getFreq();21var leftChild = node5.getLeftChild();22var rightChild = node5.getRightChild();23var code = node5.getCode();

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