evtstore/src/create-handler.js

Event Sourcing with Node.JS

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createHandler = void 0;
const event_handler_1 = require("./event-handler");
function createHandler(options) {
    const handler = new event_handler_1.EventHandler({
        bookmark: options.bookmark,
        provider: options.provider,
        stream: options.streams,
        hooks: options.hooks,
        alwaysTailStream: options.alwaysTailStream,
        tailStream: options.tailStream,
        continueOnError: options.continueOnError,
    });
    const callbacks = new Map();
    const handle = (stream, type, callback) => {
        callbacks.set(`${stream.toString()}-${type}`, callback);
        handler.handle(type, (id, event, meta) => {
            const cb = callbacks.get(`${meta.stream}-${event.type}`);
            if (!cb)
                return;
            return cb(id, event, meta);
        });
    };
    const handleStream = (stream, handlers) => {
        for (const [type, handler] of Object.entries(handlers)) {
            handle(stream, type, handler);
        }
    };
    return {
        handle,
        handleStream,
        start: handler.start,
        stop: handler.stop,
        runOnce: handler.runOnce,
        run: handler.run,
        setPosition: handler.setPosition,
        getPosition: handler.getPosition,
        reset: handler.reset,
        __handler: handler,
        name: handler.name,
    };
}
exports.createHandler = createHandler;
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