woltage/dist/src/read/Projector.js

A CQRS and Event-Sourcing Framework

var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _Projector_registry;
import EventRegistry from "../EventRegistry.js";
import emit from "../write/emit.js";
class Projector {
    constructor(store) {
        _Projector_registry.set(this, void 0);
        this.emit = emit;
        if (!typeof this.constructor.schema)
            throw new Error('Projector\'s schema property is invalid.');
        if (typeof this.constructor.version !== 'number' || this.constructor.version <= 0)
            throw new Error('Projector\'s version property must be a number > 0.');
        __classPrivateFieldSet(this, _Projector_registry, new EventRegistry(this, this.constructor.prototype), "f");
        this.store = store;
        this.store.defineTables(this.constructor.schema);
    }
    get types() {
        return __classPrivateFieldGet(this, _Projector_registry, "f").types;
    }
    async onEvent(e) {
        const { event, handler } = await __classPrivateFieldGet(this, _Projector_registry, "f").get(e);
        await handler?.(event);
    }
}
_Projector_registry = new WeakMap();
export default Projector;