Use object shorthand syntax

MMM-pages.js

@@ -1,8 +1,5 @@
 Module.register('MMM-pages', {
 
-  // We require the older style of function declaration for compatibility
-  // reasons.
-
   /**
    * By default, we have don't pseudo-paginate any modules. We also exclude
    * the page indicator by default, in case people actually want to use the
@@ -25,7 +22,7 @@ Module.register('MMM-pages', {
   /**
    * Apply any styles, if we have any.
    */
-  getStyles: function () {
+  getStyles () {
     return ['pages.css'];
   },
 
@@ -36,7 +33,7 @@ Module.register('MMM-pages', {
    * @param {number} x The dividend
    * @param {number} n The divisor
    */
-  mod: function (x, n) {
+  mod (x, n) {
     return (x % n + n) % n;
   },
 
@@ -44,7 +41,7 @@ Module.register('MMM-pages', {
    * Pseudo-constructor for our module. Makes sure that values aren't negative,
    * and sets the default current page to 0.
    */
-  start: function () {
+  start () {
     // Clamp homePage value to [0, num pages).
     if (this.config.homePage >= this.config.modules.length || this.config.homePage < 0) {
       this.config.homePage = 0;
@@ -91,7 +88,7 @@ Module.register('MMM-pages', {
    * @param {string} notification the notification ID
    * @param {number|string} payload the page to change to/by
    */
-  notificationReceived: function (notification, payload) {
+  notificationReceived (notification, payload) {
     switch (notification) {
       case 'PAGE_CHANGED':
         Log.log(`[MMM-pages] received a notification to change to page ${payload} of type ${typeof payload}.`);
@@ -153,7 +150,7 @@ Module.register('MMM-pages', {
    * @param {number} fallback the fallback value to use. Accepts negative
    * numbers.
    */
-  changePageBy: function (amt, fallback) {
+  changePageBy (amt, fallback) {
     if (typeof amt !== 'number' && typeof fallback === 'undefined') {
       Log.warn(`[MMM-pages] ${amt} is not a number!`);
     }
@@ -175,7 +172,7 @@ Module.register('MMM-pages', {
    * Handles hiding the current page's elements and showing the next page's
    * elements.
    */
-  updatePages: function () {
+  updatePages () {
     // Update if there's at least one page.
     if (this.config.modules.length !== 0) {
       this.animatePageChange();
@@ -194,7 +191,7 @@ Module.register('MMM-pages', {
    * @param {string} [targetPageName] the name of the hiddenPage we want to show.
    * Optional and only used when we want to switch to a hidden page
    */
-  animatePageChange: function (targetPageName) {
+  animatePageChange (targetPageName) {
     let lockStringObj = {lockString: this.identifier};
     if (!this.config.useLockString) {
       // Passing in an undefined object is equivalent to not passing it in at
@@ -231,7 +228,7 @@ Module.register('MMM-pages', {
    *
    * @param {number} delay the delay, in milliseconds.
    */
-  resetTimerWithDelay: function (delay) {
+  resetTimerWithDelay (delay) {
     if (this.config.rotationTime > 0) {
       // This timer is the auto rotate function.
       clearInterval(this.timer);
@@ -275,7 +272,7 @@ Module.register('MMM-pages', {
    *
    * @param {boolean} isRotating the parameter, if you want to pause or resume.
    */
-  setRotation: function (isRotating) {
+  setRotation (isRotating) {
     const stateBaseString = isRotating ? 'resum' : 'paus';
     if (isRotating === this.rotationPaused) {
       Log.warn(`[MMM-pages] was asked to ${stateBaseString}e but rotation is already ${stateBaseString}ed!`);
@@ -296,7 +293,7 @@ Module.register('MMM-pages', {
    *
    * @param {string} name the name of the hiddenPage we want to show
    */
-  showHiddenPage: function (name) {
+  showHiddenPage (name) {
     // Only proceed if the named hidden page actually exists
     if (name in this.config.hiddenPages) {
       this.animatePageChange(name);

eslint.config.mjs

@@ -33,6 +33,7 @@ const config = [
       '@stylistic/quotes': ['error', 'single'],
       '@stylistic/multiline-comment-style': 'off',
       '@stylistic/multiline-ternary': 'off',
+      'object-shorthand': ['error', 'always']
     },
   }
 ];