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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
/**
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* 获取指定节点的所有邻居
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* @param nodeId 节点 ID
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* @param edges 图中的所有边数据
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* @param type 邻居类型
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*/
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export var getNeighbors = function getNeighbors(nodeId, edges, type) {
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if (edges === void 0) {
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edges = [];
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}
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var currentEdges = edges.filter(function (edge) {
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return edge.source === nodeId || edge.target === nodeId;
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});
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if (type === 'target') {
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// 当前节点为 source，它所指向的目标节点
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var neighhborsConverter_1 = function neighhborsConverter_1(edge) {
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return edge.source === nodeId;
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};
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return currentEdges.filter(neighhborsConverter_1).map(function (edge) {
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return edge.target;
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});
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}
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if (type === 'source') {
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// 当前节点为 target，它所指向的源节点
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var neighhborsConverter_2 = function neighhborsConverter_2(edge) {
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return edge.target === nodeId;
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};
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return currentEdges.filter(neighhborsConverter_2).map(function (edge) {
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return edge.source;
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});
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}
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// 若未指定 type ，则返回所有邻居
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var neighhborsConverter = function neighhborsConverter(edge) {
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return edge.source === nodeId ? edge.target : edge.source;
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};
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return currentEdges.map(neighhborsConverter);
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};
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/**
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* 获取指定节点的出边
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* @param nodeId 节点 ID
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* @param edges 图中的所有边数据
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*/
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export var getOutEdgesNodeId = function getOutEdgesNodeId(nodeId, edges) {
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return edges.filter(function (edge) {
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return edge.source === nodeId;
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});
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};
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/**
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* 获取指定节点的边，包括出边和入边
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* @param nodeId 节点 ID
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* @param edges 图中的所有边数据
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*/
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export var getEdgesByNodeId = function getEdgesByNodeId(nodeId, edges) {
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return edges.filter(function (edge) {
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return edge.source === nodeId || edge.target === nodeId;
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});
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};
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/**
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* 生成唯一的 ID，规则是序号 + 时间戳
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* @param index 序号
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*/
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export var uniqueId = function uniqueId(index) {
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if (index === void 0) {
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index = 0;
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}
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var random1 = "".concat(Math.random()).split('.')[1].substr(0, 5);
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var random2 = "".concat(Math.random()).split('.')[1].substr(0, 5);
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return "".concat(index, "-").concat(random1).concat(random2);
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}; |