ui fixes

src/routes/options-flow/+page.svelte

@@ -373,10 +373,14 @@ function handleViewData(optionData) {
     previousCallVolume = displayCallVolume ?? 0;
     if(mode === true) {
         try {
-            const newData = JSON.parse(event.data);
+            let newData = JSON.parse(event.data);
             if(rawData?.length !== newData?.length) {
                 newIncomingData = true;
             }
+            newData = newData?.forEach((item) => {
+              item.dte = daysLeft(item?.date_expiration);
+            });
+
             rawData = [...newData];
             
             if(ruleOfList?.length !== 0 || filterQuery?.length !== 0) {
@@ -405,10 +409,24 @@ function handleViewData(optionData) {
   }
   
 
+function daysLeft(targetDate) {
+  const targetTime = new Date(targetDate).getTime();
+  const currentTime = new Date().getTime();
+  const difference = targetTime - currentTime;
+
+  const millisecondsPerDay = 1000 * 60 * 60 * 24;
+  const daysLeft = Math?.ceil(difference / millisecondsPerDay);
+
+  return daysLeft;
+}
+    
 
   onMount(async () => {
     audio = new Audio(notifySound);
     rawData = data?.getOptionsFlowFeed;
+    rawData?.forEach((item) => {
+        item.dte = daysLeft(item?.date_expiration);
+      });
     displayedData = rawData;
     calculateStats(rawData);
 
@@ -1059,6 +1077,7 @@ $: {
                       itemSize={40}
                     >
                       <div slot="header" class="tr th sticky z-40 top-0">
+                        <!-- Table headers -->
                         <div class="td bg-[#161618] text-slate-300 font-bold text-xs text-start uppercase">Time</div>
                         <div class="td bg-[#161618] font-bold text-slate-300 text-xs text-start uppercase">Symbol</div>
                         <div class="td bg-[#161618] text-slate-300 font-bold text-xs text-start uppercase">Expiry</div>
@@ -1073,9 +1092,15 @@ $: {
                         <div class="td bg-[#161618] text-slate-300 font-bold text-xs text-end uppercase">OI</div>
                       </div>
 
-                    <div on:click={() => handleViewData(displayedData[index])} slot="item" let:index let:style {style} class="tr cursor-pointer">
+                      <div
-
+                        on:click={() => handleViewData(displayedData[index])}
-
+                        slot="item"
+                        let:index
+                        let:style
+                        {style}
+                        class="tr cursor-pointer {index % 2 === 0 ? 'bg-[#27272A]' : 'bg-[#09090B]'}"
+                      >
+                        <!-- Row data -->
                         <div style="justify-content: center;" class="td text-white pb-3 text-xs sm:text-sm text-start">
                           {formatTime(displayedData[index]?.time)}
                         </div>
@@ -1085,7 +1110,7 @@ $: {
                         </div>
 
                         <div style="justify-content: center;" class="td text-sm sm:text-[1rem] text-white text-start">
-                        {reformatDate(displayedData[index]?.date_expiration)}
+                          {displayedData[index]?.dte < 0 ? 'expired' : displayedData[index]?.dte + 'd'}
                         </div>
 
                         <div style="justify-content: center;" class="td text-sm sm:text-[1rem] text-white text-start">
@@ -1117,26 +1142,16 @@ $: {
                         </div>
 
                         <div style="justify-content: center;" class="td text-sm sm:text-[1rem] text-white text-end">
-                        {new Intl.NumberFormat("en", {
+                          {new Intl.NumberFormat('en', { minimumFractionDigits: 0, maximumFractionDigits: 0 }).format(displayedData[index]?.volume)}
-                            minimumFractionDigits: 0,
-                            maximumFractionDigits: 0
-                        }).format(displayedData[index]?.volume)}
                         </div>
 
                         <div style="justify-content: center;" class="td text-sm sm:text-[1rem] text-white text-end">
-                      {new Intl.NumberFormat("en", {
+                          {new Intl.NumberFormat('en', { minimumFractionDigits: 0, maximumFractionDigits: 0 }).format(displayedData[index]?.open_interest)}
-                        minimumFractionDigits: 0,
-                        maximumFractionDigits: 0
-                    }).format(displayedData[index]?.open_interest)}
                         </div>
-
                       </div>
                     </VirtualList>
                   </div>
                 </div>
-             
-                  <!--<InfiniteLoading on:infinite={infiniteHandler} />-->    
-    
               </div>
               {:else}
               <div class="text-white text-center p-3 sm:p-5 mb-10 rounded-lg sm:flex sm:flex-row sm:items-center border border-slate-800 text-sm sm:text-[1rem]">      
@@ -1462,11 +1477,11 @@ $: {
       flex-flow: row nowrap;
   }
 
-  .tr:nth-of-type(even) {
+  .tr.even {
       background-color: #27272A;
   }
 
-  .tr:nth-of-type(odd) {
+  .tr.odd {
       background-color: #09090B;
   }