Feat/seconds (#38)

* change directory structure

move test file to __tests__ at the module directory

* test function

Add more tests to ensure the function remains safe

* fix coverage filter

* change directory structure

move to utilities folder

* refract formatDisplay with tst

* test millis

* test millis to seconds

* refract millis functions

* refractor timeStringToMillis

* create utility consts

* style component

* fixed bug with hidezero parameter

* fix issue with cancelling input edit

* style tweak

client/src/common/components/countdown/Countdown.jsx

@@ -1,13 +1,14 @@
 import { memo } from 'react';
-import { formatDisplay } from 'common/dateConfig';
+import { formatDisplay } from 'common/utils/dateConfig';
 import styles from './Countdown.module.css';
 
 const Countdown = ({ time, small, negative, hideZeroHours }) => {
-  let display = '-- : -- : --';
-
   // prepare display string
-  if (time != null && !isNaN(time))
-    display = formatDisplay(Math.abs(time), hideZeroHours);
+  const display =
+    time != null && !isNaN(time)
+      ? formatDisplay(time, hideZeroHours)
+      : '-- : -- : --';
+
   const colour = negative ? '#ff7597' : '#fffffa';
 
   return (

client/src/common/components/eventTimes/EventTimesVertical.jsx

@@ -1,6 +1,6 @@
 import EditableTimer from 'common/input/EditableTimer';
 import { showWarningToast } from 'common/helpers/toastManager';
-import { stringFromMillis } from 'common/dateConfig';
+import { stringFromMillis } from 'common/utils/dateConfig';
 
 const label = {
   fontSize: '0.75em',

client/src/common/components/views/TodayItem.jsx

@@ -1,4 +1,4 @@
-import { stringFromMillis } from 'common/dateConfig';
+import { stringFromMillis } from 'common/utils/dateConfig';
 import style from './Paginator.module.css';
 export default function TodayItem(props) {
   const { selected, timeStart, timeEnd, title, backstageEvent } = props;