Creating a string helpers mixing file

Modules/Core/Assets/js/mixins/StringHelpers.vue

+<template>
+</template>
+
+<script>
+    export default {
+        methods: {
+            ucfirst(string) {
+                return string[0].toUpperCase() + string.substr(1);
+            },
+            ucwords(string) {
+                return string.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
+            }
+        },
+    }
+</script>