From 851972304d2133d8f30bb0b5cf26a7e72888e26f Mon Sep 17 00:00:00 2001
From: Max <ḿax.seyfried@gmx.de>
Date: Sat, 11 Jul 2020 11:06:33 +0200
Subject: [PATCH] added comment to use effect for fetching data

---
 imports/ui/Home.jsx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/imports/ui/Home.jsx b/imports/ui/Home.jsx
index a7868c6..10540ed 100644
--- a/imports/ui/Home.jsx
+++ b/imports/ui/Home.jsx
@@ -18,13 +18,14 @@ export default function Home(props) {
     const [sensorCardValues, setSensorCardValues] = useState(updateCardValues);
     const [dataHistory, setDataHistory] = useState(props.dummyData); // for init data
 
-    // runs when the app mounts
+    // runs when the app mounts, similiar to componentDidMount and componentDidUpdate
     // if you give a prop to useEffect, it also runs each time this prop changes..
     useEffect(() => {
+        // const data = await fetch('api-address') // fetch data from db here and destructure it
         console.log("data is changing, start rerender..")
         setDataHistory(props.dummyData);
         setSensorCardValues(updateCardValues);
-    }, [props.dummyData])
+    }, [])
 
     // render the data
     // make sensorCarddeck responsive