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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
83 lines
1.8 KiB
JavaScript
83 lines
1.8 KiB
JavaScript
import { GraphEnum } from './Graph/enum';
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/**
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* @description add one to key's value in map
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* @description.zh-CN 在 map 中 key 的值加 1
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* @param map
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* @param key
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*/
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export function incrementOrInitEntry(map, key) {
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var val = map.get(key) || 0;
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map.set(key, val + 1);
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}
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/**
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* @description minus one from key's value in map, is value is 0, delete the key
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* @description.zh-CN 在 map 中 key 的值减 1，如果值为 0，则删除 key
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*/
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export function decrementOrRemoveEntry(map, key) {
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var val = map.get(key);
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if (val !== undefined) {
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val = val - 1;
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if (val > 0) {
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map.set(key, val);
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} else {
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map.delete(key);
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}
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}
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}
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/**
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* @description convert edge to string id
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* @description.zh-CN 转换边为字符串 id
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*/
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export function edgeArgsToId(isDirected, v_, w_, name) {
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var v = String(v_);
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var w = String(w_);
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if (!isDirected && v > w) {
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var tmp = v;
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v = w;
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w = tmp;
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}
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return v + GraphEnum.EDGE_KEY_DELIM + w + GraphEnum.EDGE_KEY_DELIM + (name === undefined ? GraphEnum.DEFAULT_EDGE_NAME : name);
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}
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/**
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* @description convert edge arguments to edge object
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* @description.zh-CN 转换边参数为边对象
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*/
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export function edgeArgsToObj(isDirected, v, w, name) {
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var strV = String(v);
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var strW = String(w);
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var edgeObj = {
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v: v,
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w: w
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};
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if (!isDirected && strV > strW) {
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var tmp = edgeObj.v;
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edgeObj.v = edgeObj.w;
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edgeObj.w = tmp;
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}
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if (name !== undefined) {
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edgeObj.name = name;
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}
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return edgeObj;
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}
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/**
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* @description convert edge object to string id
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* @description.zh-CN 转换边对象为字符串 id
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*/
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export function edgeObjToId(isDirected, edgeObj) {
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return edgeArgsToId(isDirected, edgeObj.v, edgeObj.w, edgeObj.name);
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}
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export function isFunction(obj) {
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return typeof obj === 'function';
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} |