SpacetimeDB BitCraft example

app.js

process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';

import fs from 'fs';

import {WebSocket} from 'ws';

async function getIdentityToken() {
    const response = await fetch('https://131.153.155.197/v1/identity', {method: 'POST'});
    const {token: identityToken} = await response.json();
    return identityToken;
}

const allowedTables = ['construction_recipe_desc', 'crafting_recipe_desc', 'item_desc', 'cargo_desc'];

function dumpTables(identityToken, tables) {
    return new Promise((resolve) => {
        const result = [];

        const headers = {Authorization: `Bearer ${identityToken}`};

        const ws = new WebSocket('wss://131.153.155.197/v1/database/bitcraft-global/subscribe', 'v1.json.spacetimedb', {headers});

        ws.on('open', () => {
            const subscriptionMessage = {
                Subscribe: {
                    query_strings: tables.map((tableName) => `SELECT * FROM ${tableName}`),
                    request_id: 1
                }
            };

            ws.send(JSON.stringify(subscriptionMessage));
        });

        ws.on('message', (data) => {
            const message = JSON.parse(data.toString());

            if (message.InitialSubscription) {
                for (const {table_name, updates} of message.InitialSubscription.database_update.tables) {
                    const obj = {tableName: table_name, data: updates[0].inserts.map((insert) => JSON.parse(insert))};
                    result.push(obj);
                }

                resolve(result);

                ws.close();
            }
        });
    });
}

const identityToken = await getIdentityToken();
const tables = await dumpTables(identityToken, allowedTables);

for (const {tableName, data} of tables) {
    const outputPath = `./out-tables`;
    fs.mkdirSync(outputPath, {recursive: true});
    fs.writeFileSync(`${outputPath}/${tableName}.json`, JSON.stringify(data, null, 2));
}