docs(api.md): Comply with our coding style.

doc/api.md

@@ -7,7 +7,7 @@ You can use the Jitsi Meet API to embed Jitsi Meet in to your application. You a
 To embed Jitsi Meet in your application you need to add the Jitsi Meet API library:
 
 ```javascript
-<script src="https://meet.jit.si/external_api.js"></script>
+<script src='https://meet.jit.si/external_api.js'></script>
 ```
 ## API
 
@@ -16,7 +16,7 @@ To embed Jitsi Meet in your application you need to add the Jitsi Meet API libra
 The next step for embedding Jitsi Meet is to create the Jitsi Meet API object.
 Its constructor gets a number of options:
 
-* **domain**: domain used to build the conference URL, "meet.jit.si" for
+* **domain**: domain used to build the conference URL, 'meet.jit.si' for
   example.
 * **options**: object with properties - the optional arguments:
     * **roomName**: (optional) name of the room to join.
@@ -34,49 +34,54 @@ Its constructor gets a number of options:
 Example:
 
 ```javascript
-var domain = "meet.jit.si";
-var options = {
-    roomName: "JitsiMeetAPIExample",
+const domain = 'meet.jit.si';
+const options = {
+    roomName: 'JitsiMeetAPIExample',
     width: 700,
     height: 700,
     parentNode: document.querySelector('#meet')
-}
-var api = new JitsiMeetExternalAPI(domain, options);
+};
+const api = new JitsiMeetExternalAPI(domain, options);
 ```
 
 You can set the initial media devices for the call:
 
 ```javascript
-var domain = "meet.jit.si";
-var options = {
+const domain = 'meet.jit.si';
+const options = {
     ...
     devices: {
-        'audioInput': '<deviceLabel>',
-        'audioOutput': '<deviceLabel>',
-        'videoInput': '<deviceLabel>'
-    }
-}
-var api = new JitsiMeetExternalAPI(domain, options);
+        audioInput: '<deviceLabel>',
+        audioOutput: '<deviceLabel>',
+        videoInput: '<deviceLabel>'
+    },
+    ...
+};
+const api = new JitsiMeetExternalAPI(domain, options);
 ```
 
 You can overwrite options set in [config.js] and [interface_config.js].
 For example, to enable the filmstrip-only interface mode, you can use:
 
 ```javascript
-var options = {
-    interfaceConfigOverwrite: {filmStripOnly: true}
+const options = {
+    ...
+    interfaceConfigOverwrite: { filmStripOnly: true },
+    ...
 };
-var api = new JitsiMeetExternalAPI(domain, options);
+const api = new JitsiMeetExternalAPI(domain, options);
 ```
 
 You can also pass a jwt token to Jitsi Meet:
 
  ```javascript
-var options = {
-    jwt: "<jwt_token>",
-    noSsl: false
+const options = {
+    ...
+    jwt: '<jwt_token>',
+    noSsl: false,
+    ...
 };
-var api = new JitsiMeetExternalAPI(domain, options);
+const api = new JitsiMeetExternalAPI(domain, options);
  ```
 
 ### Controlling the embedded Jitsi Meet Conference
@@ -85,25 +90,25 @@ Device management `JitsiMeetExternalAPI` methods:
 * **getAvailableDevices** - Retrieve a list of available devices.
 
 ```javascript
-api.getAvailableDevices().then(function(devices) {
+api.getAvailableDevices().then(devices => {
     // devices = {
-    //     'audioInput': [{
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "audioinput"
-    //         label: "Label"
+    //     audioInput: [{
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'audioinput'
+    //         label: 'label'
     //     },....],
-    //     'audioOutput': [{
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "audioOutput"
-    //         label: "Label"
+    //     audioOutput: [{
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'audioOutput'
+    //         label: 'label'
     //     },....],
-    //     'videoInput': [{
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "videoInput"
-    //         label: "Label"
+    //     videoInput: [{
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'videoInput'
+    //         label: 'label'
     //     },....]
     // }
     ...
@@ -112,25 +117,25 @@ api.getAvailableDevices().then(function(devices) {
 * **getCurrentDevices** - Retrieve a list with the devices that are currently selected.
 
 ```javascript
-api.getCurrentDevices().then(function(devices) {
+api.getCurrentDevices().then(devices => {
     // devices = {
-    //     'audioInput': {
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "videoInput"
-    //         label: "Label"
+    //     audioInput: {
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'videoInput'
+    //         label: 'label'
     //     },
-    //     'audioOutput': {
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "videoInput"
-    //         label: "Label"
+    //     audioOutput: {
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'videoInput'
+    //         label: 'label'
     //     },
-    //     'videoInput': {
-    //         deviceId: "ID"
-    //         groupId: "grpID"
-    //         kind: "videoInput"
-    //         label: "Label"
+    //     videoInput: {
+    //         deviceId: 'ID'
+    //         groupId: 'grpID'
+    //         kind: 'videoInput'
+    //         label: 'label'
     //     }
     // }
     ...
@@ -140,21 +145,21 @@ api.getCurrentDevices().then(function(devices) {
 
 ```javascript
 // The accepted deviceType values are - 'output', 'input' or undefined.
-api.isDeviceChangeAvailable(deviceType).then(function(isDeviceChangeAvailable) {
+api.isDeviceChangeAvailable(deviceType).then(isDeviceChangeAvailable => {
     ...
 });
 ```
 * **isDeviceListAvailable** - Resolves with true if the device list is available and with false if not.
 
 ```javascript
-api.isDeviceListAvailable().then(function(isDeviceListAvailable) {
+api.isDeviceListAvailable().then(isDeviceListAvailable => {
     ...
 });
 ```
 * **isMultipleAudioInputSupported** - Resolves with true if multiple audio input is supported and with false if not.
 
 ```javascript
-api.isMultipleAudioInputSupported().then(function(isMultipleAudioInputSupported) {
+api.isMultipleAudioInputSupported().then(isMultipleAudioInputSupported => {
     ...
 });
 ```
@@ -177,7 +182,7 @@ api.setVideoInputDevice(deviceLabel, deviceId);
 You can control the embedded Jitsi Meet conference using the `JitsiMeetExternalAPI` object by using `executeCommand`:
 
 ```javascript
-api.executeCommand(command, ...arguments)
+api.executeCommand(command, ...arguments);
 ```
 
 The `command` parameter is String object with the name of the command. The following commands are currently supported:
@@ -194,57 +199,60 @@ api.executeCommand('subject', 'New Conference Subject');
 
 * **toggleAudio** - Mutes / unmutes the audio for the local participant. No arguments are required.
 ```javascript
-api.executeCommand('toggleAudio')
+api.executeCommand('toggleAudio');
 ```
 
 * **toggleVideo** - Mutes / unmutes the video for the local participant. No arguments are required.
 ```javascript
-api.executeCommand('toggleVideo')
+api.executeCommand('toggleVideo');
 ```
 
 * **toggleFilmStrip** - Hides / shows the filmstrip. No arguments are required.
 ```javascript
-api.executeCommand('toggleFilmStrip')
+api.executeCommand('toggleFilmStrip');
 ```
 
 * **toggleChat** - Hides / shows the chat. No arguments are required.
 ```javascript
-api.executeCommand('toggleChat')
+api.executeCommand('toggleChat');
 ```
 
 * **toggleShareScreen** - Starts / stops screen sharing. No arguments are required.
 ```javascript
-api.executeCommand('toggleShareScreen')
+api.executeCommand('toggleShareScreen');
 ```
 
 * **hangup** - Hangups the call. No arguments are required.
 ```javascript
-api.executeCommand('hangup')
+api.executeCommand('hangup');
 ```
 
 * **email** - Changes the local email address. This command requires one argument - the new email address to be set.
 ```javascript
-api.executeCommand('email', 'example@example.com')
+api.executeCommand('email', 'example@example.com');
 ```
 
 * **avatarUrl** - Changes the local avatar URL. This command requires one argument - the new avatar URL to be set.
 ```javascript
-api.executeCommand('avatarUrl', 'https://avatars0.githubusercontent.com/u/3671647')
+api.executeCommand('avatarUrl', 'https://avatars0.githubusercontent.com/u/3671647');
 ```
 
 You can also execute multiple commands using the `executeCommands` method:
 ```javascript
-api.executeCommands(commands)
+api.executeCommands(commands);
 ```
 The `commands` parameter is an object with the names of the commands as keys and the arguments for the commands as values:
 ```javascript
-api.executeCommands({displayName: ['nickname'], toggleAudio: []});
+api.executeCommands({
+    displayName: [ 'nickname' ],
+    toggleAudio: []
+});
 ```
 
 You can add event listeners to the embedded Jitsi Meet using the `addEventListener` method.
 **NOTE: This method still exists but it is deprecated. JitsiMeetExternalAPI class extends [EventEmitter]. Use [EventEmitter] methods (`addListener` or `on`).**
 ```javascript
-api.addEventListener(event, listener)
+api.addEventListener(event, listener);
 ```
 
 The `event` parameter is a String object with the name of the event.
@@ -255,36 +263,36 @@ The following events are currently supported:
 changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"id": id, // the id of the participant that changed his avatar.
-"avatarURL": avatarURL // the new avatar URL.
+    id: string, // the id of the participant that changed his avatar.
+    avatarURL: string // the new avatar URL.
 }
 ```
 
 * **audioAvailabilityChanged** - event notifications about audio availability status changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"available": available // new available status - boolean
+    available: boolean // new available status - boolean
 }
 ```
 
 * **audioMuteStatusChanged** - event notifications about audio mute status changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"muted": muted // new muted status - boolean
+    muted: boolean // new muted status - boolean
 }
 ```
 
 * **screenSharingStatusChanged** - receives event notifications about turning on/off the local user screen sharing. The listener will receive object with the following structure:
 ```javascript
 {
-"on": on, //whether screen sharing is on
-"details": {
+    on: boolean, //whether screen sharing is on
+    details: {
 
-    // From where the screen sharing is capturing, if known. Values which are
-    // passed include "window", "screen", "proxy", "device". The value undefined
-    // will be passed if the source type is unknown or screen share is off.
-    sourceType: sourceType
-}
+        // From where the screen sharing is capturing, if known. Values which are
+        // passed include 'window', 'screen', 'proxy', 'device'. The value undefined
+        // will be passed if the source type is unknown or screen share is off.
+        sourceType: string|undefined
+    }
 }
 ```
 
@@ -292,9 +300,9 @@ changes. The listener will receive an object with the following structure:
 messages. The listener will receive an object with the following structure:
 ```javascript
 {
-"from": from, // The id of the user that sent the message
-"nick": nick, // the nickname of the user that sent the message
-"message": txt // the text of the message
+    from: string, // The id of the user that sent the message
+    nick: string, // the nickname of the user that sent the message
+    message: string // the text of the message
 }
 ```
 
@@ -302,7 +310,7 @@ messages. The listener will receive an object with the following structure:
 messages. The listener will receive an object with the following structure:
 ```javascript
 {
-"message": txt // the text of the message
+    message: string // the text of the message
 }
 ```
 
@@ -310,15 +318,15 @@ messages. The listener will receive an object with the following structure:
 changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"id": id, // the id of the participant that changed his display name
-"displayname": displayName // the new display name
+    id: string, // the id of the participant that changed his display name
+    displayname: string // the new display name
 }
 ```
 
 * **deviceListChanged** - event notifications about device list changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"devices": devices // the new list of available devices.
+    devices: Object // the new list of available devices.
 }
 ```
 NOTE: The devices object has the same format as the getAvailableDevices result format.
@@ -327,60 +335,60 @@ NOTE: The devices object has the same format as the getAvailableDevices result f
 changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"id": id, // the id of the participant that changed his email
-"email": email // the new email
+    id: string, // the id of the participant that changed his email
+    email: string // the new email
 }
 ```
 * **filmstripDisplayChanged** - event notifications about the visibility of the filmstrip being updated.
 ```javascript
 {
-"visible": visible, // Whether or not the filmstrip is displayed or hidden.
+    visible: boolean // Whether or not the filmstrip is displayed or hidden.
 }
 ```
 
 * **participantJoined** - event notifications about new participants who join the room. The listener will receive an object with the following structure:
 ```javascript
 {
-"id": id, // the id of the participant
-"displayName": displayName // the display name of the participant
+    id: string, // the id of the participant
+    displayName: string // the display name of the participant
 }
 ```
 
 * **participantLeft** - event notifications about participants that leave the room. The listener will receive an object with the following structure:
 ```javascript
 {
-"id": id // the id of the participant
+    id: string // the id of the participant
 }
 ```
 
 * **videoConferenceJoined** - event notifications fired when the local user has joined the video conference. The listener will receive an object with the following structure:
 ```javascript
 {
-"roomName": room, // the room name of the conference
-"id": id, // the id of the local participant
-"displayName": displayName, // the display name of the local participant
-"avatarURL": avatarURL // the avatar URL of the local participant
+    roomName: string, // the room name of the conference
+    id: string, // the id of the local participant
+    displayName: string, // the display name of the local participant
+    avatarURL: string // the avatar URL of the local participant
 }
 ```
 
 * **videoConferenceLeft** - event notifications fired when the local user has left the video conference. The listener will receive an object with the following structure:
 ```javascript
 {
-"roomName": room // the room name of the conference
+    roomName: string // the room name of the conference
 }
 ```
 
 * **videoAvailabilityChanged** - event notifications about video availability status changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"available": available // new available status - boolean
+    available: boolean // new available status - boolean
 }
 ```
 
 * **videoMuteStatusChanged** - event notifications about video mute status changes. The listener will receive an object with the following structure:
 ```javascript
 {
-"muted": muted // new muted status - boolean
+    muted: boolean // new muted status - boolean
 }
 ```
 
@@ -390,7 +398,7 @@ changes. The listener will receive an object with the following structure:
 The listener will receive an object with the following structure:
 ```javascript
 {
-"subject": subject // the new subject
+    subject: string // the new subject
 }
 ```
 
@@ -412,79 +420,80 @@ function outgoingMessageListener(object)
 
 api.addEventListeners({
     incomingMessage: incomingMessageListener,
-    outgoingMessage: outgoingMessageListener})
+    outgoingMessage: outgoingMessageListener
+});
 ```
 
 If you want to remove a listener you can use `removeEventListener` method with argument the name of the event.
 **NOTE: This method still exists but it is deprecated. JitsiMeetExternalAPI class extends [EventEmitter]. Use [EventEmitter] methods( `removeListener`).**
 ```javascript
-api.removeEventListener("incomingMessage");
+api.removeEventListener('incomingMessage');
 ```
 
 If you want to remove more than one event you can use `removeEventListeners` method with an Array with the names of the events as an argument.
 **NOTE: This method still exists but it is deprecated. JitsiMeetExternalAPI class extends [EventEmitter]. Use [EventEmitter] methods.**
 ```javascript
-api.removeEventListeners(["incomingMessage", "outgoingMessageListener"]);
+api.removeEventListeners([ 'incomingMessage', 'outgoingMessageListener' ]);
 ```
 
 You can get the number of participants in the conference with the following API function:
 ```javascript
-var numberOfParticipants = api.getNumberOfParticipants();
+const numberOfParticipants = api.getNumberOfParticipants();
 ```
 
 You can get the avatar URL of a participant in the conference with the following API function:
 ```javascript
-var avatarURL = api.getAvatarURL(participantId);
+const avatarURL = api.getAvatarURL(participantId);
 ```
 
 You can get the display name of a participant in the conference with the following API function:
 ```javascript
-var displayName = api.getDisplayName(participantId);
+const displayName = api.getDisplayName(participantId);
 ```
 
 You can get the email of a participant in the conference with the following API function:
 ```javascript
-var email = api.getEmail(participantId);
+const email = api.getEmail(participantId);
 ```
 
 You can get the iframe HTML element where Jitsi Meet is loaded with the following API function:
 ```javascript
-var iframe = api.getIFrame();
+const iframe = api.getIFrame();
 ```
 
 You can check whether the audio is muted with the following API function:
 ```javascript
-api.isAudioMuted().then(function(muted) {
+api.isAudioMuted().then(muted => {
     ...
 });
 ```
 
 You can check whether the video is muted with the following API function:
 ```javascript
-api.isVideoMuted().then(function(muted) {
+api.isVideoMuted().then(muted => {
     ...
 });
 ```
 
 You can check whether the audio is available with the following API function:
 ```javascript
-api.isAudioAvailable().then(function(available) {
+api.isAudioAvailable().then(available => {
     ...
 });
 ```
 
 You can check whether the video is available with the following API function:
 ```javascript
-api.isVideoAvailable().then(function(available) {
+api.isVideoAvailable().then(available => {
     ...
 });
 ```
 
 You can invite new participants to the call with the following API function:
 ```javascript
-api.invite([{...}, {...}, {...}]).then(function() {
+api.invite([ {...}, {...}, {...} ]).then(() => {
     // success
-}).catch(function() {
+}).catch(() => {
     // failure
 });
 ```
@@ -492,7 +501,7 @@ api.invite([{...}, {...}, {...}]).then(function() {
 
 You can remove the embedded Jitsi Meet Conference with the following API function:
 ```javascript
-api.dispose()
+api.dispose();
 ```
 
 NOTE: It's a good practice to remove the conference before the page is unloaded.