Backend

src/backend/lib/helpers.js

@@ -0,0 +1,35 @@
+'use strict';
+
+const moment = require('moment');
+const _      = require('lodash');
+
+module.exports = {
+
+    /**
+     * Takes an expression such as 30d and returns a moment object of that date in future
+     *
+     * Key      Shorthand
+     * ==================
+     * years         y
+     * quarters      Q
+     * months        M
+     * weeks         w
+     * days          d
+     * hours         h
+     * minutes       m
+     * seconds       s
+     * milliseconds  ms
+     *
+     * @param {String}  expression
+     * @returns {Object}
+     */
+    parseDatePeriod: function (expression) {
+        let matches = expression.match(/^([0-9]+)(y|Q|M|w|d|h|m|s|ms)$/m);
+        if (matches) {
+            return moment().add(matches[1], matches[2]);
+        }
+
+        return null;
+    }
+
+};