diff --git a/utils/index.js b/utils/index.js
index 2c277822..0f71b461 100644
--- a/utils/index.js
+++ b/utils/index.js
@@ -3,82 +3,92 @@ Array.prototype.equals = function( array ) {
            this.every( function(item,i) { return item == array[i] } );
 }
 
-module.exports = {
-    slug(str) {
-        return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(letter, index) {
-            return index == 0 ? letter.toLowerCase() : letter.toUpperCase();
-        }).replace(/\s+/g, '');
-    },
+function slug(str) {
+    return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(letter, index) {
+        return index == 0 ? letter.toLowerCase() : letter.toUpperCase();
+    }).replace(/\s+/g, '');
+}
 
-    getRandomString() {
-        return Math.random().toString(36).substr(3);
-    },
+function getRandomString() {
+    return Math.random().toString(36).substr(3);
+}
 
-    async sleep(seconds) {
-        return new Promise(resolve => {
-            setTimeout(resolve, seconds * 1000);
-        });
-    },
+async function sleep(seconds) {
+    return new Promise(resolve => {
+        setTimeout(resolve, seconds * 1000);
+    });
+}
 
-    _(text, args) {
-        // should return translated text
-        return this.stringReplace(text, args);
-    },
+function _(text, args) {
+    // should return translated text
+    return stringReplace(text, args);
+}
 
-    stringReplace(str, args) {
-        if (!Array.isArray(args)) {
-            args = [args];
-        }
-
-        if(str==undefined) return str;
-
-        let unkeyed_index = 0;
-        return str.replace(/\{(\w*)\}/g, (match, key) => {
-            if (key === '') {
-                key = unkeyed_index;
-                unkeyed_index++
-            }
-            if (key == +key) {
-                return args[key] !== undefined
-                    ? args[key]
-                    : match;
-            }
-        });
-    },
-
-    getQueryString(params) {
-        if (!params) return '';
-        let parts = [];
-        for (let key in params) {
-            if (key!=null && params[key]!=null) {
-                parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key]))
-            }
-        }
-        return parts.join('&');
-    },
-
-    asyncHandler(fn) {
-        return (req, res, next) => Promise.resolve(fn(req, res, next))
-            .catch((err) => {
-                console.log(err);
-                // handle error
-                res.status(err.status_code || 500).send({error: err.message});
-            });
-    },
-
-    /**
-     * Returns array from 0 to n - 1
-     * @param {Number} n
-     */
-    range(n) {
-        return Array.from(Array(4)).map((d, i) => i)
-    },
-
-    unique(list, key = it => it) {
-        var seen = {};
-        return list.filter(item => {
-            var k = key(item);
-            return seen.hasOwnProperty(k) ? false : (seen[k] = true);
-        });
+function stringReplace(str, args) {
+    if (!Array.isArray(args)) {
+        args = [args];
     }
-};
\ No newline at end of file
+
+    if(str==undefined) return str;
+
+    let unkeyed_index = 0;
+    return str.replace(/\{(\w*)\}/g, (match, key) => {
+        if (key === '') {
+            key = unkeyed_index;
+            unkeyed_index++
+        }
+        if (key == +key) {
+            return args[key] !== undefined
+                ? args[key]
+                : match;
+        }
+    });
+}
+
+function getQueryString(params) {
+    if (!params) return '';
+    let parts = [];
+    for (let key in params) {
+        if (key!=null && params[key]!=null) {
+            parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key]))
+        }
+    }
+    return parts.join('&');
+}
+
+function asyncHandler(fn) {
+    return (req, res, next) => Promise.resolve(fn(req, res, next))
+        .catch((err) => {
+            console.log(err);
+            // handle error
+            res.status(err.status_code || 500).send({error: err.message});
+        });
+}
+
+/**
+ * Returns array from 0 to n - 1
+ * @param {Number} n
+ */
+function range(n) {
+    return Array.from(Array(4)).map((d, i) => i)
+}
+
+function unique(list, key = it => it) {
+    var seen = {};
+    return list.filter(item => {
+        var k = key(item);
+        return seen.hasOwnProperty(k) ? false : (seen[k] = true);
+    });
+}
+
+module.exports = {
+    _,
+    slug,
+    getRandomString,
+    sleep,
+    stringReplace,
+    getQueryString,
+    asyncHandler,
+    range,
+    unique,
+}
\ No newline at end of file