@stackmemoryai/stackmemory/dist/src/hooks/events.js

Project-scoped memory for AI coding tools. Durable context across sessions with MCP integration, frames, smart retrieval, Claude Code skills, and automatic hooks.

import { fileURLToPath as __fileURLToPath } from 'url';
import { dirname as __pathDirname } from 'path';
const __filename = __fileURLToPath(import.meta.url);
const __dirname = __pathDirname(__filename);
import { EventEmitter } from "events";
class HookEventEmitter extends EventEmitter {
  handlers = /* @__PURE__ */ new Map();
  registerHandler(eventType, handler) {
    if (!this.handlers.has(eventType)) {
      this.handlers.set(eventType, /* @__PURE__ */ new Set());
    }
    const handlers = this.handlers.get(eventType);
    if (handlers) {
      handlers.add(handler);
    }
    this.on(eventType, handler);
  }
  unregisterHandler(eventType, handler) {
    const handlers = this.handlers.get(eventType);
    if (handlers) {
      handlers.delete(handler);
      this.off(eventType, handler);
    }
  }
  async emitHook(event) {
    const handlers = this.handlers.get(event.type);
    if (!handlers || handlers.size === 0) {
      return;
    }
    const promises = [];
    for (const handler of handlers) {
      try {
        const result = handler(event);
        if (result instanceof Promise) {
          promises.push(result);
        }
      } catch (error) {
        this.emit("error", {
          type: "error",
          timestamp: Date.now(),
          data: { error, originalEvent: event }
        });
      }
    }
    await Promise.allSettled(promises);
  }
  getRegisteredEvents() {
    return Array.from(this.handlers.keys()).filter(
      (type) => (this.handlers.get(type)?.size ?? 0) > 0
    );
  }
}
const hookEmitter = new HookEventEmitter();
export {
  HookEventEmitter,
  hookEmitter
};
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