First commit

2021-03-07 05:58:59 +01:00
commit 8204c6b556
18475 changed files with 3309357 additions and 0 deletions
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+var _ = require("../lodash");
+
+module.exports = components;
+
+function components(g) {
+  var visited = {};
+  var cmpts = [];
+  var cmpt;
+
+  function dfs(v) {
+    if (_.has(visited, v)) return;
+    visited[v] = true;
+    cmpt.push(v);
+    _.each(g.successors(v), dfs);
+    _.each(g.predecessors(v), dfs);
+  }
+
+  _.each(g.nodes(), function(v) {
+    cmpt = [];
+    dfs(v);
+    if (cmpt.length) {
+      cmpts.push(cmpt);
+    }
+  });
+
+  return cmpts;
+}