fix: add default export (#1740)

Author: robertsLando

esbuild.js

@@ -9,7 +9,7 @@ const outdir = 'dist'
  * @type {import('esbuild').BuildOptions}
  */
 const options = {
-    entryPoints: ['build/mqtt.js'],
+    entryPoints: ['build/index.js'],
     bundle: true,
     outfile: `${outdir}/mqtt.js`,
     format: 'iife',

example.js

@@ -0,0 +1,25 @@
+import mqtt from '.'
+
+const client = mqtt.connect('mqtt://test.mosquitto.org')
+
+const testTopic = 'presence'
+
+client.subscribe(testTopic, (err) => {
+	if (!err) {
+		console.log('subscribed to', testTopic)
+		client.publish(testTopic, 'Hello mqtt', (err2) => {
+			if (!err2) {
+				console.log('message published')
+			} else {
+				console.error(err2)
+			}
+		})
+	} else {
+		console.error(err)
+	}
+})
+
+client.on('message', (topic, message) => {
+	console.log('received message "%s" from topic "%s"', message, topic)
+	client.end()
+})

example.ts

@@ -20,7 +20,7 @@
     "type": "git",
     "url": "git://github.com/mqttjs/MQTT.js.git"
   },
-  "main": "./build/mqtt.js",
+  "main": "./build/index.js",
   "module": "./dist/mqtt.esm.js",
   "bin": {
     "mqtt_pub": "./build/bin/pub.js",
@@ -39,20 +39,20 @@
     ".": {
       "browser": {
         "import": "./dist/mqtt.esm.js",
-        "default": "./dist/mqtt.js"
+        "default": "./dist/index.js"
       },
-      "default": "./build/mqtt.js"
+      "default": "./build/index.js"
     },
     "./package.json": "./package.json",
     "./*.map": "./build/*.js.map",
     "./dist/*": "./dist/*.js",
     "./*": "./build/*.js"
   },
-  "types": "build/mqtt.d.ts",
+  "types": "build/index.d.ts",
   "typesVersions": {
     "*": {
       "*": [
-        "./build/mqtt.d.ts"
+        "./build/index.d.ts"
       ]
     }
   },

package.json

@@ -0,0 +1,4 @@
+import * as mqtt from './mqtt'
+
+export default mqtt
+export * from './mqtt'

src/index.ts

@@ -5,19 +5,18 @@ import { assert } from 'chai'
 import sinon from 'sinon'
 import fs from 'fs'
 import levelStore from 'mqtt-level-store'
-import * as mqtt from '../src/mqtt'
 import Store from '../src/lib/store'
 import serverBuilder from './server_helpers_for_client_tests'
 import handlePubrel from '../src/lib/handlers/pubrel'
 import handle from '../src/lib/handlers/index'
 import handlePublish from '../src/lib/handlers/publish'
-import {
+import mqtt, {
 	IClientOptions,
 	IClientPublishOptions,
 	IClientSubscribeOptions,
 	ISubscriptionMap,
 	ISubscriptionRequest,
-} from '../src/lib/client'
+} from '../src'
 import { IPublishPacket, IPubrelPacket, ISubackPacket, QoS } from 'mqtt-packet'
 import { DoneCallback, ErrorWithReasonCode } from 'src/lib/shared'
 import { fail } from 'assert'

test/abstract_client.ts

@@ -1,5 +1,5 @@
 import { IPublishPacket, IPubrelPacket } from 'mqtt-packet'
-import { IStore } from '../src/lib/store'
+import { IStore } from '../src'
 import 'should'
 import { it, beforeEach, afterEach } from 'node:test'
 
@@ -8,17 +8,13 @@ export default function abstractStoreTest(
 ) {
 	let store: IStore
 
-	// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-	// @ts-expect-error
 	beforeEach((_ctx, done) => {
 		build((err, _store) => {
 			store = _store
 			done(err)
 		})
 	})
 
-	// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-	// @ts-expect-error
 	afterEach((_ctx, done) => {
 		store.close(done)
 	})

test/abstract_store.ts

@@ -2,7 +2,7 @@ import { expect } from '@esm-bundle/chai';
 import mqtt from '../../'; // this will resolve to mqtt/dist/mqtt.esm.js
 
 // needed to test no-esm version /dist/mqtt.js
-/** @type { import('../../src/mqtt').MqttClient }*/
+/** @type { import('../../src').MqttClient }*/
 const mqtt2 = window.mqtt
 
 function run(proto, port, cb) {

test/browser/test.js

@@ -1,4 +1,4 @@
-import * as mqtt from '../src/mqtt'
+import mqtt from '../src'
 import { assert } from 'chai'
 import { fork } from 'child_process'
 import path from 'path'

test/client.ts

@@ -1,10 +1,9 @@
 import { assert } from 'chai'
-import * as mqtt from '../src/mqtt'
 import abstractClientTests from './abstract_client'
 import { MqttServer } from './server'
 import serverBuilder from './server_helpers_for_client_tests'
 import getPorts from './helpers/port_list'
-import { ErrorWithReasonCode } from '../src/lib/shared'
+import mqtt, { ErrorWithReasonCode } from '../src'
 import { after, describe, it } from 'node:test'
 
 const ports = getPorts(1)

test/client_mqtt5.ts

@@ -1,6 +1,5 @@
 import { assert } from 'chai'
-import DefaultMessageIdProvider from '../src/lib/default-message-id-provider'
-import UniqueMessageIdProvider from '../src/lib/unique-message-id-provider'
+import { DefaultMessageIdProvider, UniqueMessageIdProvider } from '../src'
 import { describe, it } from 'node:test'
 
 describe('message id provider', () => {

test/message-id-provider.ts

@@ -1,7 +1,6 @@
 import fs from 'fs'
 import path from 'path'
-import * as mqtt from '../src/mqtt'
-import { IClientOptions } from '../src/lib/client'
+import mqtt, { IClientOptions } from '../src'
 import { describe, it } from 'node:test'
 import 'should'
 

test/mqtt.ts

@@ -1,4 +1,4 @@
-import Store from '../src/lib/store'
+import { Store } from '../src'
 import { describe, it } from 'node:test'
 import 'should'
 

test/mqtt_store.ts

@@ -1,6 +1,6 @@
 import path from 'path'
 import fs from 'fs'
-import * as mqtt from '../src/mqtt'
+import mqtt from '../src'
 import abstractClientTests from './abstract_client'
 import { MqttSecureServer, MqttServerListener } from './server'
 import { assert } from 'chai'

test/secure_client.ts

@@ -1,8 +1,7 @@
 import abstractClientTests from './abstract_client'
 import serverBuilder from './server_helpers_for_client_tests'
-import UniqueMessageIdProvider from '../src/lib/unique-message-id-provider'
+import { UniqueMessageIdProvider, IClientOptions } from '../src'
 import getPorts from './helpers/port_list'
-import { IClientOptions } from 'src/mqtt'
 import { describe, after } from 'node:test'
 
 const ports = getPorts(3)

test/unique_message_id_provider_client.ts

@@ -5,8 +5,7 @@ import assert from 'assert'
 import abstractClientTests from './abstract_client'
 import getPorts from './helpers/port_list'
 import { MqttServerNoWait } from './server'
-import * as mqtt from '../src/mqtt'
-import { IClientOptions } from '../src/lib/client'
+import mqtt, { IClientOptions } from '../src'
 import { after, describe, it } from 'node:test'
 
 const ports = getPorts(4)

test/websocket_client.ts

@@ -1,5 +1,5 @@
 {
     "extends": "./tsconfig.json",
-    "exclude": ["node_modules", "test", "dist", "build"],
+    "exclude": ["node_modules", "test", "dist", "build", "example.ts"],
   }
 

tsconfig.build.json

@@ -25,6 +25,7 @@
 	"include": [
 		"src",
 		"test",
+		"example.ts"
 	],
 	"exclude": [
 		"dist",