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TYt50
241
core/event-manager.js
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241
core/event-manager.js
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import { eventSource, event_types } from "../../../../../script.js";
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const registry = new Map();
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const customEvents = new Map();
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const handlerWrapperMap = new WeakMap();
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export const EventCenter = {
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_debugEnabled: false,
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_eventHistory: [],
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_maxHistory: 100,
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_historySeq: 0,
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enableDebug() {
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this._debugEnabled = true;
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},
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disableDebug() {
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this._debugEnabled = false;
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this.clearHistory();
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},
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getEventHistory() {
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return this._eventHistory.slice();
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},
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clearHistory() {
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this._eventHistory.length = 0;
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},
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_pushHistory(type, eventName, triggerModule, data) {
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if (!this._debugEnabled) return;
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try {
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const now = Date.now();
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const last = this._eventHistory[this._eventHistory.length - 1];
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if (
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last &&
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last.type === type &&
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last.eventName === eventName &&
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now - last.timestamp < 100
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) {
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last.repeatCount = (last.repeatCount || 1) + 1;
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return;
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}
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const id = ++this._historySeq;
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let dataSummary = null;
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try {
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if (data === undefined) {
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dataSummary = "undefined";
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} else if (data === null) {
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dataSummary = "null";
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} else if (typeof data === "string") {
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dataSummary = data.length > 120 ? data.slice(0, 120) + "…" : data;
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} else if (typeof data === "number" || typeof data === "boolean") {
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dataSummary = String(data);
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} else if (typeof data === "object") {
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const keys = Object.keys(data).slice(0, 6);
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dataSummary = `{ ${keys.join(", ")}${keys.length < Object.keys(data).length ? ", …" : ""} }`;
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} else {
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dataSummary = String(data).slice(0, 80);
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}
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} catch {
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dataSummary = "[unstringifiable]";
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}
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this._eventHistory.push({
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id,
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timestamp: now,
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type,
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eventName,
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triggerModule,
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dataSummary,
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repeatCount: 1,
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});
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if (this._eventHistory.length > this._maxHistory) {
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this._eventHistory.splice(0, this._eventHistory.length - this._maxHistory);
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}
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} catch {}
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},
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on(moduleId, eventType, handler) {
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if (!moduleId || !eventType || typeof handler !== "function") return;
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if (!registry.has(moduleId)) {
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registry.set(moduleId, []);
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}
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const self = this;
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const wrappedHandler = function (...args) {
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if (self._debugEnabled) {
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self._pushHistory("ST_EVENT", eventType, moduleId, args[0]);
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}
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return handler.apply(this, args);
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};
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handlerWrapperMap.set(handler, wrappedHandler);
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try {
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eventSource.on(eventType, wrappedHandler);
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registry.get(moduleId).push({ eventType, handler, wrappedHandler });
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} catch (e) {
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console.error(`[EventCenter] Failed to register ${eventType} for ${moduleId}:`, e);
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}
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},
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onMany(moduleId, eventTypes, handler) {
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if (!Array.isArray(eventTypes)) return;
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eventTypes.filter(Boolean).forEach((type) => this.on(moduleId, type, handler));
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},
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off(moduleId, eventType, handler) {
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try {
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const listeners = registry.get(moduleId);
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if (!listeners) return;
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const idx = listeners.findIndex((l) => l.eventType === eventType && l.handler === handler);
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if (idx === -1) return;
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const entry = listeners[idx];
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eventSource.removeListener(eventType, entry.wrappedHandler);
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listeners.splice(idx, 1);
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handlerWrapperMap.delete(handler);
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} catch {}
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},
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cleanup(moduleId) {
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const listeners = registry.get(moduleId);
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if (!listeners) return;
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listeners.forEach(({ eventType, handler, wrappedHandler }) => {
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try {
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eventSource.removeListener(eventType, wrappedHandler);
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handlerWrapperMap.delete(handler);
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} catch {}
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});
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registry.delete(moduleId);
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},
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cleanupAll() {
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for (const moduleId of registry.keys()) {
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this.cleanup(moduleId);
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}
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customEvents.clear();
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},
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count(moduleId) {
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return registry.get(moduleId)?.length || 0;
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},
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/**
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* 获取统计：每个模块注册了多少监听器
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*/
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stats() {
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const stats = {};
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for (const [moduleId, listeners] of registry) {
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stats[moduleId] = listeners.length;
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}
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return stats;
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},
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/**
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* 获取详细信息：每个模块监听了哪些具体事件
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*/
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statsDetail() {
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const detail = {};
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for (const [moduleId, listeners] of registry) {
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const eventCounts = {};
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for (const l of listeners) {
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const t = l.eventType || "unknown";
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eventCounts[t] = (eventCounts[t] || 0) + 1;
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}
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detail[moduleId] = {
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total: listeners.length,
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events: eventCounts,
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};
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}
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return detail;
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},
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emit(eventName, data) {
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this._pushHistory("CUSTOM", eventName, null, data);
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const handlers = customEvents.get(eventName);
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if (!handlers) return;
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handlers.forEach(({ handler }) => {
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try {
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handler(data);
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} catch {}
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});
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},
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subscribe(moduleId, eventName, handler) {
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if (!customEvents.has(eventName)) {
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customEvents.set(eventName, []);
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}
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customEvents.get(eventName).push({ moduleId, handler });
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},
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unsubscribe(moduleId, eventName) {
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const handlers = customEvents.get(eventName);
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if (handlers) {
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const filtered = handlers.filter((h) => h.moduleId !== moduleId);
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if (filtered.length) {
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customEvents.set(eventName, filtered);
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} else {
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customEvents.delete(eventName);
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}
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}
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},
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};
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export function createModuleEvents(moduleId) {
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return {
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on: (eventType, handler) => EventCenter.on(moduleId, eventType, handler),
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onMany: (eventTypes, handler) => EventCenter.onMany(moduleId, eventTypes, handler),
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off: (eventType, handler) => EventCenter.off(moduleId, eventType, handler),
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cleanup: () => EventCenter.cleanup(moduleId),
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count: () => EventCenter.count(moduleId),
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emit: (eventName, data) => EventCenter.emit(eventName, data),
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subscribe: (eventName, handler) => EventCenter.subscribe(moduleId, eventName, handler),
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unsubscribe: (eventName) => EventCenter.unsubscribe(moduleId, eventName),
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};
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}
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if (typeof window !== "undefined") {
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window.xbEventCenter = {
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stats: () => EventCenter.stats(),
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statsDetail: () => EventCenter.statsDetail(),
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modules: () => Array.from(registry.keys()),
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history: () => EventCenter.getEventHistory(),
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clearHistory: () => EventCenter.clearHistory(),
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detail: (moduleId) => {
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const listeners = registry.get(moduleId);
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if (!listeners) return `模块 "${moduleId}" 未注册`;
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return listeners.map((l) => l.eventType).join(", ");
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},
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help: () =>
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console.log(`
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📊 小白X 事件管理器调试命令:
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xbEventCenter.stats() - 查看所有模块的事件数量
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xbEventCenter.statsDetail() - 查看所有模块监听的具体事件
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xbEventCenter.modules() - 列出所有已注册模块
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xbEventCenter.history() - 查看事件触发历史
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xbEventCenter.clearHistory() - 清空事件历史
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xbEventCenter.detail('模块名') - 查看模块监听的事件类型
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`),
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};
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}
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export { event_types };
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