200 lines
No EOL
11 KiB
JavaScript
200 lines
No EOL
11 KiB
JavaScript
"use strict";
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var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
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if (kind === "m") throw new TypeError("Private method is not writable");
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if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
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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");
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return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
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};
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var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
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if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
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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");
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return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
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};
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var _EventStream_instances, _EventStream_connectedPromise, _EventStream_resolveConnectedPromise, _EventStream_rejectConnectedPromise, _EventStream_endPromise, _EventStream_resolveEndPromise, _EventStream_rejectEndPromise, _EventStream_listeners, _EventStream_ended, _EventStream_errored, _EventStream_aborted, _EventStream_catchingPromiseCreated, _EventStream_handleError;
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.EventStream = void 0;
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const error_1 = require("openai/error");
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class EventStream {
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constructor() {
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_EventStream_instances.add(this);
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this.controller = new AbortController();
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_EventStream_connectedPromise.set(this, void 0);
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_EventStream_resolveConnectedPromise.set(this, () => { });
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_EventStream_rejectConnectedPromise.set(this, () => { });
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_EventStream_endPromise.set(this, void 0);
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_EventStream_resolveEndPromise.set(this, () => { });
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_EventStream_rejectEndPromise.set(this, () => { });
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_EventStream_listeners.set(this, {});
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_EventStream_ended.set(this, false);
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_EventStream_errored.set(this, false);
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_EventStream_aborted.set(this, false);
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_EventStream_catchingPromiseCreated.set(this, false);
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__classPrivateFieldSet(this, _EventStream_connectedPromise, new Promise((resolve, reject) => {
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__classPrivateFieldSet(this, _EventStream_resolveConnectedPromise, resolve, "f");
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__classPrivateFieldSet(this, _EventStream_rejectConnectedPromise, reject, "f");
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}), "f");
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__classPrivateFieldSet(this, _EventStream_endPromise, new Promise((resolve, reject) => {
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__classPrivateFieldSet(this, _EventStream_resolveEndPromise, resolve, "f");
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__classPrivateFieldSet(this, _EventStream_rejectEndPromise, reject, "f");
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}), "f");
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// Don't let these promises cause unhandled rejection errors.
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// we will manually cause an unhandled rejection error later
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// if the user hasn't registered any error listener or called
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// any promise-returning method.
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__classPrivateFieldGet(this, _EventStream_connectedPromise, "f").catch(() => { });
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__classPrivateFieldGet(this, _EventStream_endPromise, "f").catch(() => { });
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}
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_run(executor) {
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// Unfortunately if we call `executor()` immediately we get runtime errors about
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// references to `this` before the `super()` constructor call returns.
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setTimeout(() => {
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executor().then(() => {
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this._emitFinal();
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this._emit('end');
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}, __classPrivateFieldGet(this, _EventStream_instances, "m", _EventStream_handleError).bind(this));
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}, 0);
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}
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_connected() {
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if (this.ended)
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return;
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__classPrivateFieldGet(this, _EventStream_resolveConnectedPromise, "f").call(this);
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this._emit('connect');
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}
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get ended() {
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return __classPrivateFieldGet(this, _EventStream_ended, "f");
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}
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get errored() {
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return __classPrivateFieldGet(this, _EventStream_errored, "f");
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}
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get aborted() {
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return __classPrivateFieldGet(this, _EventStream_aborted, "f");
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}
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abort() {
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this.controller.abort();
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}
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/**
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* Adds the listener function to the end of the listeners array for the event.
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* No checks are made to see if the listener has already been added. Multiple calls passing
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* the same combination of event and listener will result in the listener being added, and
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* called, multiple times.
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* @returns this ChatCompletionStream, so that calls can be chained
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*/
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on(event, listener) {
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const listeners = __classPrivateFieldGet(this, _EventStream_listeners, "f")[event] || (__classPrivateFieldGet(this, _EventStream_listeners, "f")[event] = []);
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listeners.push({ listener });
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return this;
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}
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/**
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* Removes the specified listener from the listener array for the event.
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* off() will remove, at most, one instance of a listener from the listener array. If any single
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* listener has been added multiple times to the listener array for the specified event, then
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* off() must be called multiple times to remove each instance.
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* @returns this ChatCompletionStream, so that calls can be chained
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*/
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off(event, listener) {
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const listeners = __classPrivateFieldGet(this, _EventStream_listeners, "f")[event];
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if (!listeners)
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return this;
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const index = listeners.findIndex((l) => l.listener === listener);
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if (index >= 0)
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listeners.splice(index, 1);
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return this;
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}
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/**
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* Adds a one-time listener function for the event. The next time the event is triggered,
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* this listener is removed and then invoked.
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* @returns this ChatCompletionStream, so that calls can be chained
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*/
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once(event, listener) {
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const listeners = __classPrivateFieldGet(this, _EventStream_listeners, "f")[event] || (__classPrivateFieldGet(this, _EventStream_listeners, "f")[event] = []);
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listeners.push({ listener, once: true });
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return this;
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}
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/**
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* This is similar to `.once()`, but returns a Promise that resolves the next time
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* the event is triggered, instead of calling a listener callback.
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* @returns a Promise that resolves the next time given event is triggered,
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* or rejects if an error is emitted. (If you request the 'error' event,
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* returns a promise that resolves with the error).
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*
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* Example:
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*
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* const message = await stream.emitted('message') // rejects if the stream errors
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*/
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emitted(event) {
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return new Promise((resolve, reject) => {
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__classPrivateFieldSet(this, _EventStream_catchingPromiseCreated, true, "f");
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if (event !== 'error')
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this.once('error', reject);
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this.once(event, resolve);
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});
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}
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async done() {
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__classPrivateFieldSet(this, _EventStream_catchingPromiseCreated, true, "f");
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await __classPrivateFieldGet(this, _EventStream_endPromise, "f");
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}
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_emit(event, ...args) {
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// make sure we don't emit any events after end
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if (__classPrivateFieldGet(this, _EventStream_ended, "f")) {
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return;
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}
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if (event === 'end') {
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__classPrivateFieldSet(this, _EventStream_ended, true, "f");
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__classPrivateFieldGet(this, _EventStream_resolveEndPromise, "f").call(this);
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}
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const listeners = __classPrivateFieldGet(this, _EventStream_listeners, "f")[event];
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if (listeners) {
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__classPrivateFieldGet(this, _EventStream_listeners, "f")[event] = listeners.filter((l) => !l.once);
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listeners.forEach(({ listener }) => listener(...args));
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}
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if (event === 'abort') {
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const error = args[0];
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if (!__classPrivateFieldGet(this, _EventStream_catchingPromiseCreated, "f") && !listeners?.length) {
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Promise.reject(error);
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}
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__classPrivateFieldGet(this, _EventStream_rejectConnectedPromise, "f").call(this, error);
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__classPrivateFieldGet(this, _EventStream_rejectEndPromise, "f").call(this, error);
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this._emit('end');
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return;
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}
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if (event === 'error') {
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// NOTE: _emit('error', error) should only be called from #handleError().
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const error = args[0];
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if (!__classPrivateFieldGet(this, _EventStream_catchingPromiseCreated, "f") && !listeners?.length) {
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// Trigger an unhandled rejection if the user hasn't registered any error handlers.
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// If you are seeing stack traces here, make sure to handle errors via either:
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// - runner.on('error', () => ...)
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// - await runner.done()
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// - await runner.finalChatCompletion()
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// - etc.
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Promise.reject(error);
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}
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__classPrivateFieldGet(this, _EventStream_rejectConnectedPromise, "f").call(this, error);
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__classPrivateFieldGet(this, _EventStream_rejectEndPromise, "f").call(this, error);
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this._emit('end');
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}
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}
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_emitFinal() { }
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}
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exports.EventStream = EventStream;
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_EventStream_connectedPromise = new WeakMap(), _EventStream_resolveConnectedPromise = new WeakMap(), _EventStream_rejectConnectedPromise = new WeakMap(), _EventStream_endPromise = new WeakMap(), _EventStream_resolveEndPromise = new WeakMap(), _EventStream_rejectEndPromise = new WeakMap(), _EventStream_listeners = new WeakMap(), _EventStream_ended = new WeakMap(), _EventStream_errored = new WeakMap(), _EventStream_aborted = new WeakMap(), _EventStream_catchingPromiseCreated = new WeakMap(), _EventStream_instances = new WeakSet(), _EventStream_handleError = function _EventStream_handleError(error) {
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__classPrivateFieldSet(this, _EventStream_errored, true, "f");
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if (error instanceof Error && error.name === 'AbortError') {
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error = new error_1.APIUserAbortError();
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}
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if (error instanceof error_1.APIUserAbortError) {
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__classPrivateFieldSet(this, _EventStream_aborted, true, "f");
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return this._emit('abort', error);
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}
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if (error instanceof error_1.OpenAIError) {
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return this._emit('error', error);
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}
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if (error instanceof Error) {
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const openAIError = new error_1.OpenAIError(error.message);
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// @ts-ignore
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openAIError.cause = error;
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return this._emit('error', openAIError);
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}
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return this._emit('error', new error_1.OpenAIError(String(error)));
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};
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//# sourceMappingURL=EventStream.js.map
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