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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
32 lines
811 B
JavaScript
32 lines
811 B
JavaScript
var adjMatrix = function adjMatrix(graphData, directed) {
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var nodes = graphData.nodes,
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edges = graphData.edges;
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var matrix = [];
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// map node with index in data.nodes
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var nodeMap = {};
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if (!nodes) {
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throw new Error("invalid nodes data!");
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}
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if (nodes) {
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nodes.forEach(function (node, i) {
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nodeMap[node.id] = i;
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var row = [];
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matrix.push(row);
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});
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}
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if (edges) {
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edges.forEach(function (edge) {
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var source = edge.source,
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target = edge.target;
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var sIndex = nodeMap[source];
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var tIndex = nodeMap[target];
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if (!sIndex && sIndex !== 0 || !tIndex && tIndex !== 0) return;
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matrix[sIndex][tIndex] = 1;
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if (!directed) {
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matrix[tIndex][sIndex] = 1;
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}
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});
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}
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return matrix;
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};
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export default adjMatrix; |