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/**
* Setup command — guides the user through installing and connecting
* browser-harness to their Chrome browser.
*/
import type { ExtensionAPI, ExtensionContext } from "@mariozechner/pi-coding-agent";
import { execSync } from "node:child_process";
import { existsSync } from "node:fs";
import { homedir } from "node:os";
import { join } from "node:path";
import type { BrowserDaemon } from "./daemon";
export function registerSetupCommand(pi: ExtensionAPI, daemon: BrowserDaemon): void {
pi.registerCommand("browser-setup", {
description: "Install and connect browser-harness to Chrome",
handler: async (_args, ctx) => {
await runSetup(ctx, daemon);
},
});
}
async function runSetup(ctx: ExtensionContext, daemon: BrowserDaemon): Promise<void> {
ctx.ui.notify("browser-harness setup: checking installation...", "info");
// Step 1: Check for browser-harness installation
const bhInstalled = await checkBrowserHarnessInstalled();
if (!bhInstalled) {
ctx.ui.notify(
"browser-harness not found. Installing...",
"warning",
);
const installed = await installBrowserHarness(ctx);
if (!installed) {
ctx.ui.notify(
"Installation failed. Please install manually:\n" +
" git clone https://github.com/browser-use/browser-harness ~/Developer/browser-harness\n" +
" cd ~/Developer/browser-harness && uv sync",
"error",
);
return;
}
}
ctx.ui.notify("browser-harness found ✓", "info");
// Step 2: Check Chrome is running
const chromeRunning = checkChromeRunning();
if (!chromeRunning) {
ctx.ui.notify(
"Chrome/Chromium/Edge not detected. Please start your browser and retry /browser-setup.",
"error",
);
return;
}
ctx.ui.notify("Chrome is running ✓", "info");
// Step 3: Try to start the daemon
ctx.ui.notify("Connecting to Chrome...", "info");
try {
await daemon.start();
ctx.ui.notify("Daemon connected ✓", "info");
} catch (err) {
const msg = err instanceof Error ? err.message : String(err);
const lower = msg.toLowerCase();
if (
lower.includes("devtoolsactiveport") ||
lower.includes("remote debugging")
) {
ctx.ui.notify(
"Chrome remote debugging needs to be enabled.\n\n" +
"Start Chrome with: --remote-debugging-port=9222\n" +
"Then run /browser-setup again.",
"warning",
);
return;
}
ctx.ui.notify(`Connection failed: ${msg}`, "error");
return;
}
// Step 4: Verify with test navigation
ctx.ui.notify("Testing browser control...", "info");
try {
await daemon.newTab("https://github.com/browser-use/browser-harness");
const info = await daemon.getPageInfo();
if ("dialog" in info) {
await daemon.cdp("Page.handleJavaScriptDialog", { accept: true });
}
ctx.ui.notify(
`Browser control verified ✓\nNavigated to: ${"url" in info ? info.url : "github.com"}`,
"info",
);
} catch (err) {
ctx.ui.notify(
`Browser connected but test navigation failed: ${err instanceof Error ? err.message : String(err)}`,
"warning",
);
}
}
// ── Helpers ──────────────────────────────────────────────────────────────────
async function checkBrowserHarnessInstalled(): Promise<boolean> {
const searchPaths = [
join(homedir(), "Developer", "browser-harness"),
join(homedir(), "src", "browser-harness"),
join(homedir(), "browser-harness"),
join(homedir(), "dev", "browser-harness"),
join(homedir(), "Projects", "browser-harness"),
process.cwd(),
];
for (const dir of searchPaths) {
if (
existsSync(join(dir, "daemon.py")) &&
existsSync(join(dir, "helpers.py"))
) {
return true;
}
}
// Check if uv tool is installed globally
try {
execSync("uv tool list 2>/dev/null | grep browser-harness", { timeout: 5000 });
return true;
} catch {
// not found via uv
}
return false;
}
async function installBrowserHarness(ctx: ExtensionContext): Promise<boolean> {
// Try uv tool install
try {
ctx.ui.notify("Installing browser-harness via uv...", "info");
execSync("uv tool install browser-harness", {
timeout: 60_000,
stdio: "pipe",
});
return true;
} catch {
// uv install failed
}
// Try git clone
try {
const targetDir = join(homedir(), "Developer", "browser-harness");
ctx.ui.notify(`Cloning browser-harness to ${targetDir}...`, "info");
execSync(
`git clone https://github.com/browser-use/browser-harness "${targetDir}"`,
{ timeout: 30_000, stdio: "pipe" },
);
execSync("uv sync", { cwd: targetDir, timeout: 60_000, stdio: "pipe" });
return true;
} catch {
return false;
}
}
function checkChromeRunning(): boolean {
try {
if (process.platform === "darwin" || process.platform === "linux") {
const out = execSync("ps -A -o comm=", { timeout: 5000 }).toString().toLowerCase();
return ["google chrome", "chrome", "chromium", "microsoft edge", "msedge"].some(
(n) => out.includes(n),
);
} else if (process.platform === "win32") {
const out = execSync("tasklist", { timeout: 5000 }).toString().toLowerCase();
return ["chrome.exe", "msedge.exe"].some((n) => out.includes(n));
}
} catch {
// best-effort
}
return false;
}
|
