@loopeco/socketio/dist/types.js

A enhanced LoopBack's WebSocket server based on socket.io

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSocket = exports.getConnectionContext = exports.isConnectionContext = exports.SocketIoConnectionContext = void 0;
const express_1 = require("@loopback/express");
const keys_1 = require("./keys");
const express_2 = require("./express");
/**
 * A per-connection Context to combine an IoC container with handler
 * context (socket,  etc.).
 */
class SocketIoConnectionContext extends express_1.MiddlewareContext {
    /**
     * Constructor for `SocketContext`
     * @param socket - SocketIO socket object
     * @param parent - Parent context
     * @param name - Name of the middleware context
     */
    constructor(socket, parent, name) {
        super(...express_2.expressInit(socket), parent, name);
        this.socket = socket;
        this.setupBindings();
    }
    setupBindings() {
        this.bind(keys_1.SocketIoBindings.SOCKET).to(this.socket);
    }
}
exports.SocketIoConnectionContext = SocketIoConnectionContext;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function isConnectionContext(ctx) {
    return !!ctx && typeof ctx.bind === 'function' && !!ctx.socket;
}
exports.isConnectionContext = isConnectionContext;
function getConnectionContext(socket) {
    return express_1.getMiddlewareContext(socket.request);
}
exports.getConnectionContext = getConnectionContext;
function getSocket(context) {
    if (isConnectionContext(context)) {
        return context.socket;
    }
    return context.getSync(keys_1.SocketIoBindings.SOCKET);
}
exports.getSocket = getSocket;
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