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bricks/dist/docs/en/wterm.md
yumoqing 2e22085122 feat: 401后登录成功自动重试原始请求 
- withLoginInfo 改为接收完整 opts（含 method/headers/params）
- 等待 login_window 的 destroy 事件（=登录成功信号）
- 登录成功后重试原始请求
- 重试仍401则返回null（避免死循环）
- 用户手动关闭登录窗口时也触发重试，401则返回null
2026-05-27 15:39:34 +08:00

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Wterm

Widget Functionality: A web terminal widget based on xterm.js, enabling an interactive terminal interface embedded in a browser that communicates with the backend via WebSocket. Supports features such as adaptive terminal sizing, heartbeat keep-alive, and data transmission for input and output.

Type: Regular Widget
Parent Widget: bricks.JsWidget

Initialization Parameters

  • ws_url (String, required)
    The WebSocket URL used to establish communication with the backend terminal service.

  • ping_timeout (Number, optional, default: 19)
    Interval (in seconds) for sending heartbeat messages to the server to maintain an active connection.

Other general options inherited from JsWidget also apply, such as layout and styling.

Main Events

  • domon
    Triggered when the widget is mounted into the DOM. Automatically calls send_term_size() to send the current terminal dimensions to the server.

  • domoff
    Triggered when the widget is removed from the DOM. Performs cleanup tasks including closing the WebSocket connection and destroying the terminal instance.

  • element_resize
    Triggered when the size of the widget's container element changes. Adjusts the terminal display area and re-applies size fitting (via FitAddon).

  • terminal_input (implicit event)
    Fired via term.onData when the user inputs characters in the terminal. Sends the input data to the server through the WebSocket connection.

  • terminal_resize
    Triggered when the number of rows or columns in the terminal changes (listened via term.onResize). Automatically calls send_term_size() to synchronize the updated dimensions with the server.

  • websocket_message
    Handles incoming WebSocket messages according to their type:

    • data: Writes the content to the terminal display.
    • heartbeat: Heartbeat response indicating the connection is alive.
    • Other types: Logs messages for debugging purposes.

  • websocket_open, websocket_close, websocket_error
    WebSocket lifecycle events that handle connection establishment, closure, and errors respectively, ensuring proper resource cleanup and release.