fix(breakpoints): Using .update() breaks breakpoints functionality (#244

)

src/components/breakpoints.js

@@ -1,7 +1,7 @@
 import { warn } from '../utils/log'
 import { throttle } from '../utils/wait'
 import { isObject } from '../utils/unit'
-import { sortKeys } from '../utils/object'
+import { sortKeys, mergeOptions } from '../utils/object'
 
 import EventsBinder from '../core/event/events-binder'
 
@@ -37,17 +37,13 @@ export default function (Glide, Components, Events) {
   let settings = Glide.settings
 
   /**
-   * Holds reference to breakpoints object in settings
+   * Holds reference to breakpoints object in settings. Sorts breakpoints
+   * from smaller to larger. It is required in order to proper
+   * matching currently active breakpoint settings.
    *
    * @type {Object}
    */
-  let points = settings.breakpoints
-
-  /**
-   * Sort breakpoints from smaller to larger. It is required in order
-   * to proper matching currently active breakpoint settings.
-   */
-  points = sortBreakpoints(points)
+  let points = sortBreakpoints(settings.breakpoints)
 
   /**
    * Cache initial settings before overwritting.
@@ -89,7 +85,7 @@ export default function (Glide, Components, Events) {
    * - window resize to update slider
    */
   Binder.on('resize', window, throttle(() => {
-    Object.assign(settings, Breakpoints.match(points))
+    Glide.settings = mergeOptions(settings, Breakpoints.match(points))
   }, Glide.settings.throttle))
 
   /**

src/index.js

@@ -67,7 +67,7 @@ export default class Glide {
    * @return {Glide}
    */
   update (settings = {}) {
-    this.settings = Object.assign({}, this.settings, settings)
+    this.settings = mergeOptions(this.settings, settings)
 
     if (settings.hasOwnProperty('startAt')) {
       this.index = settings.startAt

src/utils/object.js

@@ -47,5 +47,9 @@ export function mergeOptions (defaults, settings) {
     }
   }
 
+  if (settings.hasOwnProperty('breakpoints')) {
+    options.breakpoints = Object.assign({}, defaults.breakpoints, settings.breakpoints)
+  }
+
   return options
 }