08-27-周三_17-09-29

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

@@ -0,0 +1,10 @@
+const _ = require('../lodash')
+const 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]))
+  })
+}