315 lines
9.7 KiB
JavaScript
315 lines
9.7 KiB
JavaScript
"use strict";
|
|
var __defProp = Object.defineProperty;
|
|
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
|
|
var __getOwnPropNames = Object.getOwnPropertyNames;
|
|
var __hasOwnProp = Object.prototype.hasOwnProperty;
|
|
var __export = (target, all) => {
|
|
for (var name in all)
|
|
__defProp(target, name, { get: all[name], enumerable: true });
|
|
};
|
|
var __copyProps = (to, from, except, desc) => {
|
|
if (from && typeof from === "object" || typeof from === "function") {
|
|
for (let key of __getOwnPropNames(from))
|
|
if (!__hasOwnProp.call(to, key) && key !== except)
|
|
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
|
|
}
|
|
return to;
|
|
};
|
|
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
|
|
var eventEmitter_exports = {};
|
|
__export(eventEmitter_exports, {
|
|
EventEmitter: () => EventEmitter
|
|
});
|
|
module.exports = __toCommonJS(eventEmitter_exports);
|
|
class EventEmitter {
|
|
constructor(platform) {
|
|
this._events = void 0;
|
|
this._eventsCount = 0;
|
|
this._maxListeners = void 0;
|
|
this._pendingHandlers = /* @__PURE__ */ new Map();
|
|
this._platform = platform;
|
|
if (this._events === void 0 || this._events === Object.getPrototypeOf(this)._events) {
|
|
this._events = /* @__PURE__ */ Object.create(null);
|
|
this._eventsCount = 0;
|
|
}
|
|
this._maxListeners = this._maxListeners || void 0;
|
|
this.on = this.addListener;
|
|
this.off = this.removeListener;
|
|
}
|
|
setMaxListeners(n) {
|
|
if (typeof n !== "number" || n < 0 || Number.isNaN(n))
|
|
throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + ".");
|
|
this._maxListeners = n;
|
|
return this;
|
|
}
|
|
getMaxListeners() {
|
|
return this._maxListeners === void 0 ? this._platform.defaultMaxListeners() : this._maxListeners;
|
|
}
|
|
emit(type, ...args) {
|
|
const events = this._events;
|
|
if (events === void 0)
|
|
return false;
|
|
const handler = events?.[type];
|
|
if (handler === void 0)
|
|
return false;
|
|
if (typeof handler === "function") {
|
|
this._callHandler(type, handler, args);
|
|
} else {
|
|
const len = handler.length;
|
|
const listeners = handler.slice();
|
|
for (let i = 0; i < len; ++i)
|
|
this._callHandler(type, listeners[i], args);
|
|
}
|
|
return true;
|
|
}
|
|
_callHandler(type, handler, args) {
|
|
const promise = Reflect.apply(handler, this, args);
|
|
if (!(promise instanceof Promise))
|
|
return;
|
|
let set = this._pendingHandlers.get(type);
|
|
if (!set) {
|
|
set = /* @__PURE__ */ new Set();
|
|
this._pendingHandlers.set(type, set);
|
|
}
|
|
set.add(promise);
|
|
promise.catch((e) => {
|
|
if (this._rejectionHandler)
|
|
this._rejectionHandler(e);
|
|
else
|
|
throw e;
|
|
}).finally(() => set.delete(promise));
|
|
}
|
|
addListener(type, listener) {
|
|
return this._addListener(type, listener, false);
|
|
}
|
|
on(type, listener) {
|
|
return this._addListener(type, listener, false);
|
|
}
|
|
_addListener(type, listener, prepend) {
|
|
checkListener(listener);
|
|
let events = this._events;
|
|
let existing;
|
|
if (events === void 0) {
|
|
events = this._events = /* @__PURE__ */ Object.create(null);
|
|
this._eventsCount = 0;
|
|
} else {
|
|
if (events.newListener !== void 0) {
|
|
this.emit("newListener", type, unwrapListener(listener));
|
|
events = this._events;
|
|
}
|
|
existing = events[type];
|
|
}
|
|
if (existing === void 0) {
|
|
existing = events[type] = listener;
|
|
++this._eventsCount;
|
|
} else {
|
|
if (typeof existing === "function") {
|
|
existing = events[type] = prepend ? [listener, existing] : [existing, listener];
|
|
} else if (prepend) {
|
|
existing.unshift(listener);
|
|
} else {
|
|
existing.push(listener);
|
|
}
|
|
const m = this.getMaxListeners();
|
|
if (m > 0 && existing.length > m && !existing.warned) {
|
|
existing.warned = true;
|
|
const w = new Error("Possible EventEmitter memory leak detected. " + existing.length + " " + String(type) + " listeners added. Use emitter.setMaxListeners() to increase limit");
|
|
w.name = "MaxListenersExceededWarning";
|
|
w.emitter = this;
|
|
w.type = type;
|
|
w.count = existing.length;
|
|
if (!this._platform.isUnderTest()) {
|
|
console.warn(w);
|
|
}
|
|
}
|
|
}
|
|
return this;
|
|
}
|
|
prependListener(type, listener) {
|
|
return this._addListener(type, listener, true);
|
|
}
|
|
once(type, listener) {
|
|
checkListener(listener);
|
|
this.on(type, new OnceWrapper(this, type, listener).wrapperFunction);
|
|
return this;
|
|
}
|
|
prependOnceListener(type, listener) {
|
|
checkListener(listener);
|
|
this.prependListener(type, new OnceWrapper(this, type, listener).wrapperFunction);
|
|
return this;
|
|
}
|
|
removeListener(type, listener) {
|
|
checkListener(listener);
|
|
const events = this._events;
|
|
if (events === void 0)
|
|
return this;
|
|
const list = events[type];
|
|
if (list === void 0)
|
|
return this;
|
|
if (list === listener || list.listener === listener) {
|
|
if (--this._eventsCount === 0) {
|
|
this._events = /* @__PURE__ */ Object.create(null);
|
|
} else {
|
|
delete events[type];
|
|
if (events.removeListener)
|
|
this.emit("removeListener", type, list.listener ?? listener);
|
|
}
|
|
} else if (typeof list !== "function") {
|
|
let position = -1;
|
|
let originalListener;
|
|
for (let i = list.length - 1; i >= 0; i--) {
|
|
if (list[i] === listener || wrappedListener(list[i]) === listener) {
|
|
originalListener = wrappedListener(list[i]);
|
|
position = i;
|
|
break;
|
|
}
|
|
}
|
|
if (position < 0)
|
|
return this;
|
|
if (position === 0)
|
|
list.shift();
|
|
else
|
|
list.splice(position, 1);
|
|
if (list.length === 1)
|
|
events[type] = list[0];
|
|
if (events.removeListener !== void 0)
|
|
this.emit("removeListener", type, originalListener || listener);
|
|
}
|
|
return this;
|
|
}
|
|
off(type, listener) {
|
|
return this.removeListener(type, listener);
|
|
}
|
|
removeAllListeners(type, options) {
|
|
this._removeAllListeners(type);
|
|
if (!options)
|
|
return this;
|
|
if (options.behavior === "wait") {
|
|
const errors = [];
|
|
this._rejectionHandler = (error) => errors.push(error);
|
|
return this._waitFor(type).then(() => {
|
|
if (errors.length)
|
|
throw errors[0];
|
|
});
|
|
}
|
|
if (options.behavior === "ignoreErrors")
|
|
this._rejectionHandler = () => {
|
|
};
|
|
return Promise.resolve();
|
|
}
|
|
_removeAllListeners(type) {
|
|
const events = this._events;
|
|
if (!events)
|
|
return;
|
|
if (!events.removeListener) {
|
|
if (type === void 0) {
|
|
this._events = /* @__PURE__ */ Object.create(null);
|
|
this._eventsCount = 0;
|
|
} else if (events[type] !== void 0) {
|
|
if (--this._eventsCount === 0)
|
|
this._events = /* @__PURE__ */ Object.create(null);
|
|
else
|
|
delete events[type];
|
|
}
|
|
return;
|
|
}
|
|
if (type === void 0) {
|
|
const keys = Object.keys(events);
|
|
let key;
|
|
for (let i = 0; i < keys.length; ++i) {
|
|
key = keys[i];
|
|
if (key === "removeListener")
|
|
continue;
|
|
this._removeAllListeners(key);
|
|
}
|
|
this._removeAllListeners("removeListener");
|
|
this._events = /* @__PURE__ */ Object.create(null);
|
|
this._eventsCount = 0;
|
|
return;
|
|
}
|
|
const listeners = events[type];
|
|
if (typeof listeners === "function") {
|
|
this.removeListener(type, listeners);
|
|
} else if (listeners !== void 0) {
|
|
for (let i = listeners.length - 1; i >= 0; i--)
|
|
this.removeListener(type, listeners[i]);
|
|
}
|
|
}
|
|
listeners(type) {
|
|
return this._listeners(this, type, true);
|
|
}
|
|
rawListeners(type) {
|
|
return this._listeners(this, type, false);
|
|
}
|
|
listenerCount(type) {
|
|
const events = this._events;
|
|
if (events !== void 0) {
|
|
const listener = events[type];
|
|
if (typeof listener === "function")
|
|
return 1;
|
|
if (listener !== void 0)
|
|
return listener.length;
|
|
}
|
|
return 0;
|
|
}
|
|
eventNames() {
|
|
return this._eventsCount > 0 && this._events ? Reflect.ownKeys(this._events) : [];
|
|
}
|
|
async _waitFor(type) {
|
|
let promises = [];
|
|
if (type) {
|
|
promises = [...this._pendingHandlers.get(type) || []];
|
|
} else {
|
|
promises = [];
|
|
for (const [, pending] of this._pendingHandlers)
|
|
promises.push(...pending);
|
|
}
|
|
await Promise.all(promises);
|
|
}
|
|
_listeners(target, type, unwrap) {
|
|
const events = target._events;
|
|
if (events === void 0)
|
|
return [];
|
|
const listener = events[type];
|
|
if (listener === void 0)
|
|
return [];
|
|
if (typeof listener === "function")
|
|
return unwrap ? [unwrapListener(listener)] : [listener];
|
|
return unwrap ? unwrapListeners(listener) : listener.slice();
|
|
}
|
|
}
|
|
function checkListener(listener) {
|
|
if (typeof listener !== "function")
|
|
throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
|
|
}
|
|
class OnceWrapper {
|
|
constructor(eventEmitter, eventType, listener) {
|
|
this._fired = false;
|
|
this._eventEmitter = eventEmitter;
|
|
this._eventType = eventType;
|
|
this._listener = listener;
|
|
this.wrapperFunction = this._handle.bind(this);
|
|
this.wrapperFunction.listener = listener;
|
|
}
|
|
_handle(...args) {
|
|
if (this._fired)
|
|
return;
|
|
this._fired = true;
|
|
this._eventEmitter.removeListener(this._eventType, this.wrapperFunction);
|
|
return this._listener.apply(this._eventEmitter, args);
|
|
}
|
|
}
|
|
function unwrapListener(l) {
|
|
return wrappedListener(l) ?? l;
|
|
}
|
|
function unwrapListeners(arr) {
|
|
return arr.map((l) => wrappedListener(l) ?? l);
|
|
}
|
|
function wrappedListener(l) {
|
|
return l.listener;
|
|
}
|
|
// Annotate the CommonJS export names for ESM import in node:
|
|
0 && (module.exports = {
|
|
EventEmitter
|
|
});
|