diff --git a/src/parser.js b/src/parser.js
index 1c2a5bf..c343d28 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -111,7 +111,7 @@ class Parser {
     }
     const brandLower = brandName.toLowerCase();
     return this._hints.brands.some(
-      b => b.brand && b.brand.toLowerCase() === brandLower,
+      (b) => b.brand && b.brand.toLowerCase() === brandLower,
     );
   }
 
@@ -132,7 +132,7 @@ class Parser {
     }
     const brandLower = brandName.toLowerCase();
     const brand = this._hints.brands.find(
-      b => b.brand && b.brand.toLowerCase() === brandLower,
+      (b) => b.brand && b.brand.toLowerCase() === brandLower,
     );
     return brand ? brand.version : undefined;
   }
@@ -169,7 +169,7 @@ class Parser {
       }
 
       if (Array.isArray(_browser.test)) {
-        return _browser.test.some(condition => this.test(condition));
+        return _browser.test.some((condition) => this.test(condition));
       }
 
       throw new Error("Browser's test function is not valid");
@@ -209,7 +209,6 @@ class Parser {
     return this.getBrowser().name || '';
   }
 
-
   /**
    * Get browser's version
    * @return {String} version of browser
@@ -252,7 +251,7 @@ class Parser {
       }
 
       if (Array.isArray(_os.test)) {
-        return _os.test.some(condition => this.test(condition));
+        return _os.test.some((condition) => this.test(condition));
       }
 
       throw new Error("Browser's test function is not valid");
@@ -328,7 +327,7 @@ class Parser {
       }
 
       if (Array.isArray(_platform.test)) {
-        return _platform.test.some(condition => this.test(condition));
+        return _platform.test.some((condition) => this.test(condition));
       }
 
       throw new Error("Browser's test function is not valid");
@@ -379,7 +378,7 @@ class Parser {
       }
 
       if (Array.isArray(_engine.test)) {
-        return _engine.test.some(condition => this.test(condition));
+        return _engine.test.some((condition) => this.test(condition));
       }
 
       throw new Error("Browser's test function is not valid");
@@ -452,7 +451,7 @@ class Parser {
 
     if (platformsAndOSCounter > 0) {
       const platformsAndOSNames = Object.keys(platformsAndOSes);
-      const OSMatchingDefinition = Utils.find(platformsAndOSNames, name => (this.isOS(name)));
+      const OSMatchingDefinition = Utils.find(platformsAndOSNames, (name) => (this.isOS(name)));
 
       if (OSMatchingDefinition) {
         const osResult = this.satisfies(platformsAndOSes[OSMatchingDefinition]);
@@ -464,7 +463,7 @@ class Parser {
 
       const platformMatchingDefinition = Utils.find(
         platformsAndOSNames,
-        name => (this.isPlatform(name)),
+        (name) => (this.isPlatform(name)),
       );
       if (platformMatchingDefinition) {
         const platformResult = this.satisfies(platformsAndOSes[platformMatchingDefinition]);
@@ -477,7 +476,7 @@ class Parser {
 
     if (browsersCounter > 0) {
       const browserNames = Object.keys(browsers);
-      const matchingDefinition = Utils.find(browserNames, name => (this.isBrowser(name, true)));
+      const matchingDefinition = Utils.find(browserNames, (name) => (this.isBrowser(name, true)));
 
       if (matchingDefinition !== void 0) {
         return this.compareVersion(browsers[matchingDefinition]);
@@ -585,7 +584,7 @@ class Parser {
    * @returns {Boolean}
    */
   some(anythings = []) {
-    return anythings.some(anything => this.is(anything));
+    return anythings.some((anything) => this.is(anything));
   }
 }
 
diff --git a/src/utils.js b/src/utils.js
index 4f89597..e36a1dd 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -79,7 +79,7 @@ export default class Utils {
    * @return {string} versionName
    */
   static getMacOSVersionName(version) {
-    const v = version.split('.').splice(0, 2).map(s => parseInt(s, 10) || 0);
+    const v = version.split('.').splice(0, 2).map((s) => parseInt(s, 10) || 0);
     v.push(0);
     const major = v[0];
     const minor = v[1];
@@ -136,7 +136,7 @@ export default class Utils {
    * @return {string} versionName
    */
   static getAndroidVersionName(version) {
-    const v = version.split('.').splice(0, 2).map(s => parseInt(s, 10) || 0);
+    const v = version.split('.').splice(0, 2).map((s) => parseInt(s, 10) || 0);
     v.push(0);
     if (v[0] === 1 && v[1] < 5) return undefined;
     if (v[0] === 1 && v[1] < 6) return 'Cupcake';
@@ -201,7 +201,7 @@ export default class Utils {
       const _version = version + new Array(delta + 1).join('.0');
 
       // 3) "9.0" -> ["000000000"", "000000009"]
-      return Utils.map(_version.split('.'), chunk => new Array(20 - chunk.length).join('0') + chunk).reverse();
+      return Utils.map(_version.split('.'), (chunk) => new Array(20 - chunk.length).join('0') + chunk).reverse();
     });
 
     // adjust precision for loose comparison