Added JSDoc to ESLint (#3529)

* Added JSDoc to eslint rules

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

* Fixed JSDoc eslint errors

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

* Update the check-linters workflow to Node.js 20

---------

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>
Co-authored-by: Louis Lam <louislam@users.noreply.github.com>

src/pages/Settings.vue

@@ -139,6 +139,7 @@ export default {
         /**
          * Load the general settings page
          * For desktop only, on mobile do nothing
+         * @returns {void}
          */
         loadGeneralPage() {
             if (!this.currentPage && !this.$root.isMobile) {
@@ -146,7 +147,10 @@ export default {
             }
         },
 
-        /** Load settings from server */
+        /**
+         * Load settings from server
+         * @returns {void}
+         */
         loadSettings() {
             this.$root.getSocket().emit("getSettings", (res) => {
                 this.settings = res.data;
@@ -186,13 +190,15 @@ export default {
         /**
          * Callback for saving settings
          * @callback saveSettingsCB
-         * @param {Object} res Result of operation
+         * @param {object} res Result of operation
+         * @returns {void}
          */
 
         /**
          * Save Settings
-         * @param {saveSettingsCB} [callback]
-         * @param {string} [currentPassword] Only need for disableAuth to true
+         * @param {saveSettingsCB} callback Callback for socket response
+         * @param {string} currentPassword Only need for disableAuth to true
+         * @returns {void}
          */
         saveSettings(callback, currentPassword) {
             let valid = this.validateSettings();
@@ -212,7 +218,7 @@ export default {
 
         /**
          * Ensure settings are valid
-         * @returns {Object} Contains success state and error msg
+         * @returns {object} Contains success state and error msg
          */
         validateSettings() {
             if (this.settings.keepDataPeriodDays < 0) {