🎨 resolve linter errors (single quotes / no semicolons / no unused variables)

store/data.js

@@ -5,20 +5,20 @@ if (!Array.prototype.flat) {
 	Object.defineProperty(Array.prototype, 'flat', {
 		configurable: true,
 		value: function flat () {
-			var depth = isNaN(arguments[0]) ? 1 : Number(arguments[0]);
+			var depth = isNaN(arguments[0]) ? 1 : Number(arguments[0])
 
 			return depth ? Array.prototype.reduce.call(this, function (acc, cur) {
 				if (Array.isArray(cur)) {
-					acc.push.apply(acc, flat.call(cur, depth - 1));
+					acc.push.apply(acc, flat.call(cur, depth - 1))
 				} else {
-					acc.push(cur);
+					acc.push(cur)
 				}
 
-				return acc;
-			}, []) : Array.prototype.slice.call(this);
+				return acc
+			}, []) : Array.prototype.slice.call(this)
 		},
 		writable: true
-	});
+	})
 }
 
 /**