08-27-周三_17-09-29

node_modules/graphlib/lib/alg/find-cycles.js

@@ -0,0 +1,10 @@
+var _ = require("../lodash");
+var tarjan = require("./tarjan");
+
+module.exports = findCycles;
+
+function findCycles(g) {
+  return _.filter(tarjan(g), function(cmpt) {
+    return cmpt.length > 1 || (cmpt.length === 1 && g.hasEdge(cmpt[0], cmpt[0]));
+  });
+}