Method addAdditionalEntries

lib/Server.js:610–793

* @private * @param {Compiler} compiler compiler * @returns {Promise }

(compiler)

   * @returns {Promise<void>}
   */
  async addAdditionalEntries(compiler) {
    /**
     * @type {string[]}
     */
    const additionalEntries = [];
    const isWebTarget = Server.isWebTarget(compiler);

    // TODO maybe empty client
    if (this.options.client && isWebTarget) {
      let webSocketURLStr = "";

      if (this.options.webSocketServer) {
        const webSocketURL =
          /** @type {WebSocketURL} */
          (
            /** @type {ClientConfiguration} */
            (this.options.client).webSocketURL
          );
        const webSocketServer =
          /** @type {{ type: WebSocketServerConfiguration["type"], options: NonNullable<WebSocketServerConfiguration["options"]> }} */
          (this.options.webSocketServer);
        const searchParams = new URLSearchParams();

        /** @type {string} */
        let protocol;

        // We are proxying dev server and need to specify custom `hostname`
        if (typeof webSocketURL.protocol !== "undefined") {
          protocol = webSocketURL.protocol;
        } else {
          protocol = this.isTlsServer ? "wss:" : "ws:";
        }

        searchParams.set("protocol", protocol);

        if (typeof webSocketURL.username !== "undefined") {
          searchParams.set("username", webSocketURL.username);
        }

        if (typeof webSocketURL.password !== "undefined") {
          searchParams.set("password", webSocketURL.password);
        }

        /** @type {string} */
        let hostname;

        const isWebSocketServerHostDefined =
          typeof webSocketServer.options.host !== "undefined";
        const isWebSocketServerPortDefined =
          typeof webSocketServer.options.port !== "undefined";

        // We are proxying dev server and need to specify custom `hostname`
        if (typeof webSocketURL.hostname !== "undefined") {
          hostname = webSocketURL.hostname;
        }
        // Web socket server works on custom `hostname`, only for `ws` because `sock-js` is not support custom `hostname`
        else if (isWebSocketServerHostDefined) {
          hostname = webSocketServer.options.host;