Stock/islands/StockList.tsx
2023-07-23 00:32:54 +09:00

127 lines
2.9 KiB
TypeScript

import { Button } from "../components/Button.tsx";
import { useEffect } from "preact/hooks";
import { ComponentChildren } from "preact";
import { Signal, useSignal } from "@preact/signals";
interface StockProps {
pageName: string;
}
interface ToggleButtonProps {
children?: ComponentChildren;
}
function ToggleButton(props: ToggleButtonProps) {
return (
<Button {...props}>
</Button>
);
}
type QueryStatus<T> = {
type: "loading";
} | {
type: "complete";
data: T;
} | {
type: "error";
err: Error;
};
const cacheMap = new Map<string, unknown>();
function useQuery<T>(url: string): Signal<QueryStatus<T>> {
const state = useSignal({
type: "loading",
} as QueryStatus<T>);
useEffect(() => {
if (!cacheMap.has(url)) {
(async () => {
try {
const res = await fetch(url);
const data = await res.json();
cacheMap.set(url, data);
state.value = {
type: "complete",
data: data,
};
} catch (err) {
state.value = {
type: "error",
err: err,
};
}
})();
} else {
state.value = {
type: "complete",
data: cacheMap.get(url) as T,
};
}
},[]);
return state;
}
interface Coperation {
Name: string;
Code: string;
Sector: string;
Product: string;
ListingDay: string;
ClosingMonth: string;
Representative: string;
Homepage: string;
AddressArea: string;
LastUpdate: string;
}
interface PageCorpsInfo {
name: string;
description: string;
corpListByDate: Record<string, Coperation[]>;
}
function StockList({data}: {data: PageCorpsInfo}){
console.log("data")
const keys = Object.keys(data.corpListByDate).sort().reverse().slice(0,5).reverse();
//const rows = data.corpListbyDate;
return <div class="flex">
{keys.map((x,i)=>{
const rows = data.corpListByDate[x];
return <div key={x}>
{rows.map(row=>{
return <div>
{row.Name}
</div>
})}
</div>
})}
</div>
}
export default function StockListUI(props: StockProps) {
const sig = useQuery<PageCorpsInfo>("/api/pages/" + props.pageName);
return (
<div class="my-2">
<div class="flex gap-2">
<ToggleButton>Kospi</ToggleButton>
<ToggleButton>Kosdaq</ToggleButton>
<ToggleButton>Otherwise</ToggleButton>
</div>
<div class="flex gap-8 py-6 flex-col">
{sig.value.type == "loading"
? (new Array(20).fill(0).map((_) => (
<div class="animate-pulse bg-gray-300 p-2"></div>
)))
: <div>
{
sig.value.type == "error" ? (<div>
<p>File Loading Failed</p>
</div>) : <StockList data={sig.value.data}></StockList>
}
</div>}
</div>
</div>
);
}