@chmoyle-conga/graphql-cart/sse-link.js

Cart module for realtime subscriptions to conga cart

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createFilteredSSELink = void 0;
const client_1 = require("@apollo/client");
const createFilteredSSELink = (url) => new client_1.ApolloLink((operation) => new client_1.Observable((observer) => {
    const eventSource = new EventSource(url);
    eventSource.onmessage = (event) => {
        try {
            // Parse the message data
            const data = JSON.parse(event.data);
            // Filter out empty messages based on your criteria
            if (data && Object.keys(data).length > 0) {
                observer.next({ data });
            }
        }
        catch (e) {
            observer.error(e);
        }
    };
    eventSource.onerror = (error) => {
        observer.error(error);
    };
    // Return a cleanup function
    return () => {
        eventSource.close();
    };
}));
exports.createFilteredSSELink = createFilteredSSELink;