72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
import { strict } from 'assert';
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import { isValidSubscriber } from './subscribers/index.mjs';
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import { timestampsLifecyclesSubscriber } from './subscribers/timestamps.mjs';
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import { modelsLifecyclesSubscriber } from './subscribers/models-lifecycles.mjs';
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const createLifecyclesProvider = (db)=>{
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let subscribers = [
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timestampsLifecyclesSubscriber,
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modelsLifecyclesSubscriber
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];
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let isLifecycleHooksDisabled = false;
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return {
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subscribe (subscriber) {
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strict(isValidSubscriber(subscriber), 'Invalid subscriber. Expected function or object');
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subscribers.push(subscriber);
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return ()=>subscribers.splice(subscribers.indexOf(subscriber), 1);
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},
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clear () {
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subscribers = [];
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},
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disable () {
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isLifecycleHooksDisabled = true;
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},
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enable () {
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isLifecycleHooksDisabled = false;
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},
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createEvent (action, uid, properties, state) {
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const model = db.metadata.get(uid);
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return {
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action,
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model,
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state,
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...properties
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};
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},
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/**
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* @param {string} action
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* @param {string} uid
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* @param {{ params?: any, result?: any }} properties
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* @param {Map<any, any>} states
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*/ async run (action, uid, properties, states = new Map()) {
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if (isLifecycleHooksDisabled) return states;
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for(let i = 0; i < subscribers.length; i += 1){
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const subscriber = subscribers[i];
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if (typeof subscriber === 'function') {
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const state = states.get(subscriber) || {};
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const event = this.createEvent(action, uid, properties, state);
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await subscriber(event);
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if (event.state) {
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states.set(subscriber, event.state || state);
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}
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continue;
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}
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const hasAction = action in subscriber;
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const hasModel = !subscriber.models || subscriber.models.includes(uid);
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if (hasAction && hasModel) {
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const state = states.get(subscriber) || {};
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const event = this.createEvent(action, uid, properties, state);
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await subscriber[action]?.(event);
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if (event.state) {
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states.set(subscriber, event.state);
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}
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}
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}
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return states;
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}
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};
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};
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export { createLifecyclesProvider };
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//# sourceMappingURL=index.mjs.map
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