@earendil-works/pi-coding-agent/dist/utils/open-browser.js

Coding agent CLI with read, bash, edit, write tools and session management

import { spawn } from "node:child_process";
/**
 * Open a URL or file in the platform browser/default handler.
 *
 * This intentionally never invokes a shell. On Windows, do not use
 * `cmd /c start`: cmd.exe re-parses metacharacters (&, |, ^, ...) before
 * `start` runs, which would make attacker-controlled URLs injectable.
 */
export function openBrowser(target) {
    const [cmd, args] = process.platform === "darwin"
        ? ["open", [target]]
        : process.platform === "win32"
            ? ["rundll32", ["url.dll,FileProtocolHandler", target]]
            : ["xdg-open", [target]];
    // spawn reports launcher failures (for example, missing xdg-open) via an
    // error event. Browser launch is best-effort: callers still present the target
    // to the user, so keep the launcher failure from becoming a process crash.
    // On WSL, xdg-open launches explorer.exe, which fails when the cwd's
    // \\wsl.localhost\... path exceeds MAX_PATH (#11592). The target is a URL,
    // so no launcher needs pi's cwd.
    spawn(cmd, args, { stdio: "ignore", detached: true, cwd: "/" })
        .on("error", () => { })
        .unref();
}
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