Merge pull request #836 from horizon-plaza/seconds-zoom-config

Author: Ilaiwi

src/lib/Timeline.js

@@ -565,7 +565,7 @@ export default class ReactCalendarTimeline extends Component {
 
     let zoom = visibleTimeEnd - visibleTimeStart
     // can't zoom in more than to show one hour
-    if (zoom < 360000) {
+    if (zoom < this.props.minZoom) {
       return
     }
 

src/lib/default-config.js

@@ -56,7 +56,13 @@ export const defaultHeaderFormats = {
     mediumLong: 'HH:mm',
     medium: 'HH:mm',
     short: 'mm',
-  }
+  },
+  second: {
+    "long": 'mm:ss',
+    mediumLong: 'mm:ss',
+    medium: 'mm:ss',
+    "short": 'ss'
+  }  
 }
 
 //TODO: delete this