formatTime() should return full unit of time

There is a fair difference between 7m (months) and 7m (minutes).

src/helpers/Time.js

@@ -1,25 +1,15 @@
-var periods = {
- month: 30 * 24 * 60 * 60 * 1000,
- week: 7 * 24 * 60 * 60 * 1000,
- day: 24 * 60 * 60 * 1000,
- hour: 60 * 60 * 1000,
- minute: 60 * 1000
-};
+var periods = [
+ {amount: 30 * 24 * 60 * 60 * 1000, str: "month"},
+ {amount: 7 * 24 * 60 * 60 * 1000, str: "week"},
+ {amount: 24 * 60 * 60 * 1000, str: "day"},
+ {amount: 60 * 60 * 1000, str: "hour"},
+ {amount: 60 * 1000, str: "minute"},
+];
 
 export function formatTime(timeCreated) {
- var diff = Date.now() - new Date(timeCreated);
-
- if (diff > periods.month) {
- return Math.floor(diff / periods.month) + "m ago";
- } else if (diff > periods.week) {
- return Math.floor(diff / periods.week) + "w ago";
- } else if (diff > periods.day) {
- return Math.floor(diff / periods.day) + "d ago";
- } else if (diff > periods.hour) {
- return Math.floor(diff / periods.hour) + "h ago";
- } else if (diff > periods.minute) {
- return Math.floor(diff / periods.minute) + "m ago";
- }
-
- return "Just now";
+ const diff = Date.now() - new Date(timeCreated);
+ const period = periods.find(({amount}) => diff > amount);
+ if (!period) return 'Just now';
+ const count = Math.floor(diff / period.amount);
+ return `${count} ${period.str}${count > 1 ? 's' : ''} ago`;
 }