inline createEdge and createActiveEdge to connect

src/lang/graph/connect.ts

@@ -1,13 +1,18 @@
-import { Net, Port, createEdge } from "."
+import { Net, Port } from "."
 import { lookupRuleByPorts } from "../mod/lookupRuleByPorts"
-import { createActiveEdge } from "./createActiveEdge"
 
 export function connect(net: Net, start: Port, end: Port): void {
   const rule = lookupRuleByPorts(net.mod, start, end)
 
   if (rule !== undefined) {
-    net.activeEdges.push(createActiveEdge(start, end, rule))
+    const edge = { start, end, rule }
+    start.connection = { edge, port: end }
+    end.connection = { edge, port: start }
+    net.activeEdges.push(edge)
   } else {
-    net.edges.push(createEdge(start, end))
+    const edge = { start, end }
+    start.connection = { edge, port: end }
+    end.connection = { edge, port: start }
+    net.edges.push(edge)
   }
 }

src/lang/graph/index.ts

@@ -3,6 +3,5 @@ export * from "./Edge"
 export * from "./Net"
 export * from "./Node"
 export * from "./Port"
-export * from "./createEdge"
 export * from "./createNode"
 export * from "./createPort"