Linting fixes

Author: gurupras

src/js/plyr.js

@@ -18,7 +18,6 @@ import source from './source';
 import Storage from './storage';
 import support from './support';
 import ui from './ui';
-import { closest } from './utils/arrays';
 import { createElement, hasClass, removeElement, replaceElement, toggleClass, wrap } from './utils/elements';
 import { off, on, once, triggerEvent, unbindListeners } from './utils/events';
 import is from './utils/is';
@@ -678,18 +677,26 @@ class Plyr {
         const options = this.options.quality;
 
         let quality;
+        let qualityInput = input;   // We need to modify input if it is a Number
+
         if (!options.length) {
             return;
         }
 
-        if (is.string(input)) {
+        // Support setting quality as a Number
+        if (is.number(qualityInput)) {
+            // Convert this to a string since quality labels are expected to be strings
+            qualityInput = `${qualityInput}`;
+        }
+
+        if (is.string(qualityInput)) {
             // We have only a label
             // Convert this into an Object of the expected type
             quality = {
-                value: input,
+                value: qualityInput,
             };
-        } else if (is.object(input)) {
-            quality = input;
+        } else if (is.object(qualityInput)) {
+            quality = qualityInput;
         } else {
             this.debug.warn(`Quality option of unknown type: ${input} (${typeof input}). Ignoring`);
             return;