From 3e67d6689dfb69fb067a6a81a5db71f6d147664e Mon Sep 17 00:00:00 2001
From: Chris Wanstrath <chris@ozmm.org>
Date: Mon, 6 Oct 2025 22:13:13 -0700
Subject: [PATCH] browse tweaks

---
 src/js/commands.ts   | 12 +++++++++++-
 src/js/scrollback.ts |  6 ++++++
 src/js/webapp.ts     | 12 ++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/js/commands.ts b/src/js/commands.ts
index 029603b..a798759 100644
--- a/src/js/commands.ts
+++ b/src/js/commands.ts
@@ -9,11 +9,21 @@ import { resize } from "./resize"
 import { sessionId } from "./session"
 import { send } from "./websocket"
 import { status } from "./statusbar"
+import { setStatus, latestId } from "./scrollback"
+import { currentAppUrl } from "./webapp"
 
 export const commands: string[] = []
 
 export const browserCommands: Record<string, (...args: string[]) => void | Promise<void> | CommandOutput> = {
-  browse: (url: string) => openBrowser(url, "command"),
+  browse: (url?: string) => {
+    const currentUrl = url ?? currentAppUrl()
+    if (currentUrl) {
+      openBrowser(currentUrl, "command")
+    } else {
+      setTimeout(() => setStatus(latestId()!, "error"), 0)
+      return "usage: browse <url>"
+    }
+  },
   "browser-session": () => sessionId,
   clear: () => scrollback.innerHTML = "",
   commands: () => {
diff --git a/src/js/scrollback.ts b/src/js/scrollback.ts
index 3304e62..9e00190 100644
--- a/src/js/scrollback.ts
+++ b/src/js/scrollback.ts
@@ -22,6 +22,12 @@ export function insert(node: HTMLElement) {
     scrollback.append(node)
 }
 
+export function latestId(): string | undefined {
+    const nodes = document.querySelectorAll("[data-id]")
+    if (nodes.length)
+        return (nodes[nodes.length - 1] as HTMLElement).dataset.id
+}
+
 export function addInput(id: string, input: string, status?: InputStatus) {
     const parent = $$("li.input")
     const statusSpan = $$(`span.status.${statusColors[status || "waiting"]}`, "•")
diff --git a/src/js/webapp.ts b/src/js/webapp.ts
index cb1494d..66860dc 100644
--- a/src/js/webapp.ts
+++ b/src/js/webapp.ts
@@ -1,6 +1,8 @@
 ////
 // NOSE webapps
 
+import { sessionStore } from "./session"
+
 export const apps: string[] = []
 
 export function cacheApps(a: string[]) {
@@ -9,4 +11,14 @@ export function cacheApps(a: string[]) {
   apps.sort()
 
   window.dispatchEvent(new CustomEvent("apps:change"))
+}
+
+export function currentAppUrl(): string | undefined {
+  const project = sessionStore.get("project") || "root"
+
+  if (!apps.includes(project)) return
+
+  const hostname = sessionStore.get("hostname") || "localhost"
+  const s = hostname.startsWith("localhost") ? "" : "s"
+  return `http${s}://${project}.${hostname}`
 }
\ No newline at end of file