ad4m-host/build/commands/client/util.js

Self hosting ad4m service

import { Ad4mClient } from '@perspect3vism/ad4m';
import { ApolloClient, InMemoryCache } from '@apollo/client/core';
import { GraphQLWsLink } from "@apollo/client/link/subscriptions";
import { createClient } from "graphql-ws";
import Websocket from "ws";
import ReadlineSync from 'readline-sync';
import util from 'util';
export function buildAd4mClient(server) {
    const wsLink = new GraphQLWsLink(createClient({
        url: server,
        webSocketImpl: Websocket,
        connectionParams: () => {
            return {
                headers: {
                    authorization: ""
                }
            };
        },
    }));
    const apolloClient = new ApolloClient({
        link: wsLink,
        cache: new InMemoryCache({ resultCaching: false, addTypename: false }),
        defaultOptions: {
            watchQuery: {
                fetchPolicy: "no-cache",
            },
            query: {
                fetchPolicy: "no-cache",
            }
        },
    });
    return new Ad4mClient(apolloClient);
}
export function readPassphrase() {
    const password = ReadlineSync.question("Password: ", { hideEchoBack: true });
    return password;
}
export function prettify(obj) {
    console.info("=>\n", util.inspect(obj, { showHidden: false, depth: null }));
}