frontend/src/lib/components/Options/GreekByExpiry.svelte
MuslemRahimi 52285fb69a ui fixes
2025-03-03 15:37:57 +01:00

409 lines
13 KiB
Svelte

<script lang="ts">
import { abbreviateNumberWithColor, abbreviateNumber } from "$lib/utils";
import { onMount } from "svelte";
import TableHeader from "$lib/components/Table/TableHeader.svelte";
import UpgradeToPro from "$lib/components/UpgradeToPro.svelte";
import highcharts from "$lib/highcharts.ts";
export let data;
export let title = "Gamma";
let rawData = data?.getData || [];
const isGamma = title === "Gamma";
const today = new Date();
rawData = rawData?.reduce((result, item) => {
const itemDate = new Date(item?.expiry);
if (itemDate >= today) {
if (title === "Gamma") {
result.push({
...item,
net_gex: (item?.call_gex || 0) + (item?.put_gex || 0),
put_call_ratio:
item?.call_gex > 0
? Math.abs((item?.put_gex || 0) / item?.call_gex)
: null,
});
} else {
result.push({
...item,
net_dex: (item?.call_dex || 0) + (item?.put_dex || 0),
put_call_ratio:
item?.call_dex > 0
? Math.abs((item?.put_dex || 0) / item?.call_dex)
: null,
});
}
}
return result;
}, []);
let displayList = rawData?.slice(0, 150);
function formatDate(dateString) {
if (!dateString) return null; // Handle null or undefined input
const date = new Date(dateString);
const formatter = new Intl.DateTimeFormat("en-US", {
month: "short",
day: "numeric",
year: "2-digit",
});
return formatter.format(date);
}
function plotData() {
// Determine if the current data is Gamma-based or not
const isGamma = title === "Gamma";
// Process data; note that the original sort was based on a missing "strike" field.
// Here we sort by expiry (assuming formatDate returns a sortable date string).
const processedData = rawData
?.map((d) => ({
expiry: formatDate(d?.expiry),
callValue: isGamma ? d?.call_gex : d?.call_dex,
putValue: isGamma ? d?.put_gex : d?.put_dex,
netValue: isGamma ? d?.net_gex : d?.net_dex,
}))
.sort((a, b) => new Date(a.expiry) - new Date(b.expiry));
// Create arrays for categories and series data.
const expiries = processedData.map((d) => d.expiry);
// Convert values to numbers (toFixed returns a string)
const callValues = processedData.map((d) =>
parseFloat(d.callValue.toFixed(2)),
);
const putValues = processedData.map((d) =>
parseFloat(d.putValue.toFixed(2)),
);
const netValues = processedData.map((d) =>
parseFloat(d.netValue.toFixed(2)),
);
const options = {
credits: {
enabled: false,
},
chart: {
type: "column",
backgroundColor: "#09090B",
plotBackgroundColor: "#09090B",
height: 360,
animation: false,
},
title: {
text: `<h3 class="mt-3 mb-1 ">${title === "Gamma" ? "GEX" : "DEX"} Chart</h3>`,
style: {
color: "white",
// Using inline CSS for margin-top and margin-bottom
},
useHTML: true, // Enable HTML to apply custom class styling
},
legend: { enabled: false },
plotOptions: {
series: {
animation: false,
stacking: "normal",
},
},
tooltip: {
shared: true,
useHTML: true,
backgroundColor: "rgba(0, 0, 0, 0.8)", // Semi-transparent black
borderColor: "rgba(255, 255, 255, 0.2)", // Slightly visible white border
borderWidth: 1,
style: {
color: "#fff",
fontSize: "16px",
padding: "10px",
},
borderRadius: 4,
formatter: function () {
// Format the x value to display time in hh:mm format
let tooltipContent = `<span class="text-white m-auto text-black text-[1rem] font-[501]">${new Date(
this?.x,
).toLocaleDateString("en-US", {
year: "numeric",
month: "short",
day: "numeric",
})}</span><br>`;
// Loop through each point in the shared tooltip
this.points?.forEach((point) => {
tooltipContent += `<span class="text-white font-semibold text-sm">${point.series.name}:</span>
<span class="text-white font-normal text-sm" style="color:${point?.color}">${abbreviateNumber(
point.y,
)}</span><br>`;
});
return tooltipContent;
},
},
xAxis: {
type: "datetime",
endOnTick: false,
categories: expiries,
crosshair: {
color: "#fff", // Set the color of the crosshair line
width: 1, // Adjust the line width as needed
dashStyle: "Solid",
},
labels: {
style: {
color: "#fff",
},
distance: 20, // Increases space between label and axis
formatter: function () {
const date = new Date(this.value);
return date.toLocaleDateString("en-US", {
day: "2-digit", // Include day number
month: "short", // Display short month name
year: "numeric", // Include year
});
},
},
},
yAxis: {
gridLineWidth: 1,
gridLineColor: "#111827",
labels: {
style: { color: "white" },
formatter: function () {
return abbreviateNumber(this.value);
},
},
title: { text: null },
opposite: true,
},
series: [
{
name: `Put ${isGamma ? "Gamma" : "Delta"}`,
data: putValues,
color: "#9B5DC4",
borderColor: "#9B5DC4",
animation: false,
},
{
name: `Net ${isGamma ? "Gamma" : "Delta"}`,
data: netValues,
color: "#FF2F1F",
borderColor: "#FF2F1F",
animation: false,
},
{
name: `Call ${isGamma ? "Gamma" : "Delta"}`,
data: callValues,
color: "#C4E916",
borderColor: "#C4E916",
animation: false,
},
],
};
return options;
}
async function handleScroll() {
const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
if (isBottom && displayList?.length !== rawData?.length) {
const nextIndex = displayList?.length;
const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
displayList = [...displayList, ...filteredNewResults];
}
}
onMount(() => {
window.addEventListener("scroll", handleScroll);
return () => {
window.removeEventListener("scroll", handleScroll);
};
});
$: columns = [
{ key: "expiry", label: "Expiry Date", align: "left" },
{
key: isGamma ? "call_gex" : "call_dex",
label: isGamma ? "Call GEX" : "Call Delta",
align: "right",
},
{
key: isGamma ? "put_gex" : "put_dex",
label: isGamma ? "Put GEX" : "Put Delta",
align: "right",
},
{
key: isGamma ? "net_gex" : "net_dex",
label: isGamma ? "Net GEX" : "Net Delta",
align: "right",
},
{
key: "put_call_ratio",
label: isGamma ? "P/C GEX" : "P/C Delta",
align: "right",
},
];
$: sortOrders = {
expiry: { order: "none", type: "date" },
[isGamma ? "call_gex" : "call_dex"]: { order: "none", type: "number" },
[isGamma ? "put_gex" : "put_dex"]: { order: "none", type: "number" },
[isGamma ? "net_gex" : "net_dex"]: { order: "none", type: "number" },
put_call_ratio: { order: "none", type: "number" },
};
const sortData = (key) => {
// Reset all other keys to 'none' except the current key
for (const k in sortOrders) {
if (k !== key) {
sortOrders[k].order = "none";
}
}
// Cycle through 'none', 'asc', 'desc' for the clicked key
const orderCycle = ["none", "asc", "desc"];
let originalData = rawData;
const currentOrderIndex = orderCycle.indexOf(sortOrders[key].order);
sortOrders[key].order =
orderCycle[(currentOrderIndex + 1) % orderCycle.length];
const sortOrder = sortOrders[key].order;
// Reset to original data when 'none' and stop further sorting
if (sortOrder === "none") {
originalData = [...rawData]; // Reset originalData to rawDataVolume
displayList = originalData;
return;
}
// Define a generic comparison function
const compareValues = (a, b) => {
const { type } = sortOrders[key];
let valueA, valueB;
switch (type) {
case "date":
valueA = new Date(a[key]);
valueB = new Date(b[key]);
break;
case "string":
valueA = a[key].toUpperCase();
valueB = b[key].toUpperCase();
return sortOrder === "asc"
? valueA.localeCompare(valueB)
: valueB.localeCompare(valueA);
case "number":
default:
valueA = parseFloat(a[key]);
valueB = parseFloat(b[key]);
break;
}
if (sortOrder === "asc") {
return valueA < valueB ? -1 : valueA > valueB ? 1 : 0;
} else {
return valueA > valueB ? -1 : valueA < valueB ? 1 : 0;
}
};
// Sort using the generic comparison function
displayList = [...originalData].sort(compareValues);
};
let config = plotData();
</script>
<div class="sm:pl-7 sm:pb-7 sm:pt-7 w-full m-auto mt-2 sm:mt-0">
<h2
class=" flex flex-row items-center text-white text-xl sm:text-2xl font-bold w-fit"
>
{title} Exposure By Expiry
</h2>
<div class="w-full overflow-hidden m-auto mt-3">
{#if config !== null}
<div
class="chart border border-gray-800 rounded"
use:highcharts={config}
></div>
{/if}
</div>
<h3 class="text-xl sm:text-2xl text-white font-bold mt-5">
{title === "Gamma" ? "GEX" : "DEX"} Table
</h3>
<div class="mt-3 w-full overflow-x-auto text-white">
<table
class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto overflow-x-auto"
>
<thead>
<TableHeader {columns} {sortOrders} {sortData} />
</thead>
<tbody>
{#each data?.user?.tier === "Pro" ? displayList : displayList?.slice(0, 3) as item, index}
<tr
class="sm:hover:bg-[#245073]/10 odd:bg-odd border-b border-gray-800 {index +
1 ===
displayList?.slice(0, 3)?.length && data?.user?.tier !== 'Pro'
? 'opacity-[0.1]'
: ''}"
>
<td
class="text-white text-sm sm:text-[1rem] text-start whitespace-nowrap"
>
{formatDate(item?.expiry)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.call_gex : item?.call_dex)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.put_gex : item?.put_dex)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.net_gex : item?.net_dex)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{#if item?.put_call_ratio <= 1 && item?.put_call_ratio !== null}
<span class="text-[#00FC50]"
>{item?.put_call_ratio?.toFixed(2)}</span
>
{:else if item?.put_call_ratio > 1 && item?.put_call_ratio !== null}
<span class="text-[#FF2F1F]"
>{item?.put_call_ratio?.toFixed(2)}</span
>
{:else}
n/a
{/if}
</td>
</tr>
{/each}
</tbody>
</table>
</div>
<UpgradeToPro {data} />
</div>