fix(graph): make addEdge more forgiving

ersel · ersel · commit 482a246c92fb · 2019-10-24T11:31:20.000+01:00
diff --git a/utils/Graph/index.js b/utils/Graph/index.js
@@ -19,8 +19,6 @@ class Graph {
 				const arr = this.AdjList.get(vertex);
 				if (!arr.includes(node)) {
 					arr.push(node);
-				} else {
-					throw new Error(`Can't add '${node}', it already exists`);
 				}
 			} else {
 				throw new Error(`Can't add non-existing vertex ->'${node}'`);

Original file line number	Diff line number	Diff line change
`@@ -19,8 +19,6 @@ class Graph {`
`19`	`19`	`const arr = this.AdjList.get(vertex);`
`20`	`20`	`if (!arr.includes(node)) {`
`21`	`21`	`arr.push(node);`
`22`		`- } else {`
`23`		- throw new Error(`Can't add '${node}', it already exists`);
`24`	`22`	`}`
`25`	`23`	`} else {`
`26`	`24`	throw new Error(`Can't add non-existing vertex ->'${node}'`);