fix github.com prefix was missing

Fixes #9

Author: SidneyNemzer

src/index.ts

@@ -4,15 +4,23 @@ import { CONTAINER_PARENT_SELECTOR } from "./constants";
 
 const parent = document.querySelector(CONTAINER_PARENT_SELECTOR);
 
-const segments = window.location.pathname
-  .split("/")
-  .filter((segment) => segment !== "")
-  .map((segment) => ({
-    content: segment,
+const segments = [
+  {
+    content: "github.com",
     left: 0,
     right: 0,
     hovered: false,
-  }));
+  },
+  ...window.location.pathname
+    .split("/")
+    .filter((segment) => segment !== "")
+    .map((segment) => ({
+      content: segment,
+      left: 0,
+      right: 0,
+      hovered: false,
+    })),
+];
 
 const div = document.createElement("div");
 parent.insertAdjacentElement("afterend", div);
@@ -24,9 +32,13 @@ const app = new App({
 
 const onPathTested = (index: number, ok: boolean) => {
   if (ok) {
-    app.$set({ index: index + 1, status: "loading" });
+    // Given index was ok, move to the next segment. Shifted by one extra due to
+    // `github.com` prefix.
+    app.$set({ index: index + 2, status: "loading" });
   } else {
-    app.$set({ index, status: "error" });
+    // Given index returned 404, mark it as errored. Shifted by one extra due to
+    // `github.com` prefix.
+    app.$set({ index: index + 1, status: "error" });
   }
 };