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45 lines
1.2 KiB
45 lines
1.2 KiB
import React, {useEffect, useState} from 'react';
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import './App.css';
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import {Container} from "react-bootstrap";
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import {Character, CharacterStatus} from "./CharacterStatus";
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export interface PastState {
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// This is the timestamp of the change that exited this state.
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readonly timestampMs: number
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// This is the list of actions that changed this state.
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}
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function useJson<T>(url: string): T | null {
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const [data, setData] = useState<T|null>(null);
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useEffect(() => {
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let ignore = false;
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fetch(url)
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.then(response => response.json() as T)
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.then(json => {
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if (!ignore) {
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setData(json);
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}
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});
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return () => {
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ignore = true;
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};
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}, [url]);
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return data as T|null;
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}
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function App() {
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const state = useJson<SavedState>("/api/current.json")
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return <React.Fragment>
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<Container fluid>
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{state && state.characters.map((character) =>
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<CharacterStatus
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key={character.id}
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character={character}
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active={character.id === state.conflict?.activeCharacterId} />)}
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</Container>
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</React.Fragment>;
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}
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export default App;
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