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44 lines
1.5 KiB
44 lines
1.5 KiB
/**
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* <zh/> 执行深度优先遍历
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*
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* <en/> perform depth first traversal
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* @param node - <zh/> 起始节点 | <en/> start node
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* @param visitor - <zh/> 访问节点函数 | <en/> visitor function
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* @param navigator - <zh/> 获取子节点函数 | <en/> get children function
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* @param mode - <zh/> 访问模式，BT: 自底向上访问，TB: 自顶向下访问 | <en/> traverse mode, BT: bottom to top, TB: top to bottom
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* @param depth - <zh/> 当前深度 | <en/> current depth
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*/
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export function dfs(node, visitor, navigator, mode, depth = 0) {
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if (mode === 'TB')
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visitor(node, depth);
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const children = navigator(node);
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if (children) {
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for (const child of children) {
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dfs(child, visitor, navigator, mode, depth + 1);
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}
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}
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if (mode === 'BT')
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visitor(node, depth);
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}
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/**
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* <zh/> 执行广度优先遍历
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*
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* <en/> perform breadth first traversal
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* @param node - <zh/> 起始节点 | <en/> start node
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* @param visitor - <zh/> 访问节点函数 | <en/> visitor function
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* @param navigator - <zh/> 获取子节点函数 | <en/> get children function
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*/
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export function bfs(node, visitor, navigator) {
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const queue = [[node, 0]];
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while (queue.length) {
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const [current, depth] = queue.shift();
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visitor(current, depth);
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const children = navigator(current);
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if (children) {
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for (const child of children) {
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queue.push([child, depth + 1]);
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}
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}
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}
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}
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//# sourceMappingURL=traverse.js.map
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