fix(): fix more lint errors

src/@ionic-native/plugins/clipboard/index.ts

@@ -26,7 +26,7 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
  *       alert('Error: ' + reject);
  *     }
  *   );
- * 
+ *
  * this.clipboard.clear();
  * ```
  */
@@ -39,7 +39,6 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 })
 @Injectable()
 export class Clipboard extends IonicNativePlugin {
-
   /**
    * Copies the given text
    * @param {string} text Text that gets copied on the system clipboard
@@ -64,6 +63,7 @@ export class Clipboard extends IonicNativePlugin {
    * @returns {Promise<any>} Returns a promise after the text has been cleaned
    */
   @Cordova()
-  clear(): Promise<any> { return; }
-
+  clear(): Promise<any> {
+    return;
+  }
 }

src/@ionic-native/plugins/firebase/index.ts

@@ -318,10 +318,7 @@ export class Firebase extends IonicNativePlugin {
     successIndex: 2,
     errorIndex: 3
   })
-  verifyPhoneNumber(
-    phoneNumber: string,
-    timeoutDuration: number = 0
-  ): Promise<any> {
+  verifyPhoneNumber(phoneNumber: string, timeoutDuration = 0): Promise<any> {
     return;
   }
 }

src/@ionic-native/plugins/star-prnt/index.ts

@@ -108,7 +108,6 @@ export interface ImageObj {
   openCashDrawer?: boolean;
 }
 export interface PrintCommand {
-
   /**
    * Characther encoding is used to getByte data from all subsequent commands. Default 'US-ASCII'
    * Choose the format of the return value Defined in StarPRNT.Encoding or the Encoding enum.
@@ -134,13 +133,13 @@ export interface PrintCommand {
   appendRaw?: string;
 
   /**
-   * Data (Command) is added to the command buffer. Takes an array of bytes. 
+   * Data (Command) is added to the command buffer. Takes an array of bytes.
    * Example: {appendBytes:[0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x2e]}
    */
   appendBytes?: Array<number>;
 
   /**
-   * Data (Command) is added to the command buffer. Takes an array of bytes. 
+   * Data (Command) is added to the command buffer. Takes an array of bytes.
    * Example: {appendRawBytes:[0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x2e]}
    */
   appendRawBytes?: Array<number>;
@@ -156,7 +155,7 @@ export interface PrintCommand {
   appendEmphasis?: string;
 
   /**
-    *  Enable emphasis mode is generated and added to the command buffer. Example: {enableEmphasis:true}
+   *  Enable emphasis mode is generated and added to the command buffer. Example: {enableEmphasis:true}
    */
   enableEmphasis?: boolean;
 
@@ -335,7 +334,7 @@ export interface PrintCommand {
    * Example: {enableMultiple:true, width:2, height:2}
    * Disable Example: {enableMultiple:false}
    */
-   enableMultiple?: boolean;
+  enableMultiple?: boolean;
 
   /**
    * Print command of the QR code is generated and added to the command buffer.
@@ -420,7 +419,7 @@ export enum Emulation {
   /** SM-S210i, SM-S220i, SM-S230i, SM-T300i/T300, SM-T400i */
   EscPosMobile = 'EscPosMobile',
   /** SP700 */
-  StarDotImpact = 'StarDotImpact',
+  StarDotImpact = 'StarDotImpact'
 }
 
 /**
@@ -651,18 +650,17 @@ export interface CommandsArray extends Array<PrintCommand> {}
 })
 @Injectable()
 export class StarPRNT extends IonicNativePlugin {
-
   /**
    * Constant for Emulation
    */
-  Emulation  = {
+  Emulation = {
     StarPRNT: 'StarPRNT',
     StarPRNTL: 'StarPRNTL',
     StarLine: 'StarLine',
     StarGraphic: 'StarGraphic',
     EscPos: 'EscPos',
     EscPosMobile: 'EscPosMobile',
-    StarDotImpact: 'StarDotImpact',
+    StarDotImpact: 'StarDotImpact'
   };
 
   /**