lan-manager/web/node_modules/@antv/graphlib/es/algorithm/dfs.js

/**
 * @description DFS traversal.
 * @description.zh-CN DFS 遍历。
 */
var doDFS = function doDFS(graph, node, postorder, visited, navigator, result) {
  if (!visited.includes(node)) {
    visited.push(node);

    if (!postorder) {
      result.push(node);
    }

    navigator(node).forEach(function (n) {
      return doDFS(graph, n, postorder, visited, navigator, result);
    });

    if (postorder) {
      result.push(node);
    }
  }
};
/**
 * @description DFS traversal.
 * @description.zh-CN DFS 遍历。
 */


var dfs = function dfs(graph, node, order) {
  var nodes = Array.isArray(node) ? node : [node];

  var navigator = function navigator(n) {
    return graph.isDirected() ? graph.successors(n) : graph.neighbors(n);
  };

  var results = [];
  var visited = [];
  nodes.forEach(function (node) {
    if (!graph.hasNode(node)) {
      throw new Error('Graph does not have node: ' + node);
    } else {
      doDFS(graph, node, order === 'post', visited, navigator, results);
    }
  });
  return results;
};

export default dfs;