js: Use ES6 object literal shorthand syntax.

Generated by ESLint.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

static/js/localstorage.js

@@ -1,6 +1,6 @@
 const ls = {
     // parse JSON without throwing an error.
-    parseJSON: function (str) {
+    parseJSON(str) {
         try {
             return JSON.parse(str);
         } catch (err) {
@@ -9,26 +9,26 @@ const ls = {
     },
 
     // check if the datestamp is from before now and if so return true.
-    isExpired: function (stamp) {
+    isExpired(stamp) {
         return new Date(stamp) < new Date();
     },
 
     // return the localStorage key that is bound to a version of a key.
-    formGetter: function (version, name) {
+    formGetter(version, name) {
         return "ls__" + version + "__" + name;
     },
 
     // create a formData object to put in the data, a signature that it was
     // created with this library, and when it expires (if ever).
-    formData: function (data, expires) {
+    formData(data, expires) {
         return {
-            data: data,
+            data,
             __valid: true,
             expires: new Date().getTime() + expires,
         };
     },
 
-    getData: function (version, name) {
+    getData(version, name) {
         const key = this.formGetter(version, name);
         let data = localStorage.getItem(key);
         data = ls.parseJSON(data);
@@ -45,7 +45,7 @@ const ls = {
     },
 
     // set the wrapped version of the data into localStorage.
-    setData: function (version, name, data, expires) {
+    setData(version, name, data, expires) {
         const key = this.formGetter(version, name);
         const val = this.formData(data, expires);
 
@@ -53,14 +53,14 @@ const ls = {
     },
 
     // remove the key from localStorage and from memory.
-    removeData: function (version, name) {
+    removeData(version, name) {
         const key = this.formGetter(version, name);
 
         localStorage.removeItem(key);
     },
 
     // Remove keys which match a regex.
-    removeDataRegex: function (version, regex) {
+    removeDataRegex(version, regex) {
         const key_regex = new RegExp(this.formGetter(version, regex));
         const keys = Object.keys(localStorage).filter((key) => key_regex.test(key));
 
@@ -71,7 +71,7 @@ const ls = {
 
     // migrate from an older version of a data src to a newer one with a
     // specified callback function.
-    migrate: function (name, v1, v2, callback) {
+    migrate(name, v1, v2, callback) {
         const old = this.getData(v1, name);
         this.removeData(v1, name);
 
@@ -96,14 +96,14 @@ const localstorage = function () {
         // `expires` should be a Number that represents the number of ms from
         // now that this should expire in.
         // this allows for it to either be set only once or permanently.
-        setExpiry: function (expires, isGlobal) {
+        setExpiry(expires, isGlobal) {
             _data.expires = expires;
             _data.expiresIsGlobal = isGlobal || false;
 
             return this;
         },
 
-        get: function (name) {
+        get(name) {
             const data = ls.getData(_data.VERSION, name);
 
             if (data) {
@@ -111,7 +111,7 @@ const localstorage = function () {
             }
         },
 
-        set: function (name, data) {
+        set(name, data) {
             if (typeof _data.VERSION !== "undefined") {
                 ls.setData(_data.VERSION, name, data, _data.expires);
 
@@ -129,26 +129,26 @@ const localstorage = function () {
         },
 
         // remove a key with a given version.
-        remove: function (name) {
+        remove(name) {
             ls.removeData(_data.VERSION, name);
         },
 
         // Remove keys which match the pattern given by name.
-        removeRegex: function (name) {
+        removeRegex(name) {
             ls.removeDataRegex(_data.VERSION, name);
         },
 
-        migrate: function (name, v1, v2, callback) {
+        migrate(name, v1, v2, callback) {
             return ls.migrate(name, v1, v2, callback);
         },
     };
 
     // set a new master version for the LocalStorage instance.
     Object.defineProperty(prototype, "version", {
-        get: function () {
+        get() {
             return _data.VERSION;
         },
-        set: function (version) {
+        set(version) {
             _data.VERSION = version;
         },
     });