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import React from 'react';
import { connect } from './StateProvider';
import Field from './Field';
import Button from './Button';
import SvgYacd from './SvgYacd';
import s0 from './APIConfig.module.css';
import { getClashAPIConfig, updateClashAPIConfig } from '../store/app';
const { useState, useEffect, useRef, useCallback } = React;
const mapState = (s) => ({
apiConfig: getClashAPIConfig(s),
});
function APIConfig({ apiConfig, dispatch }) {
const [hostname, setHostname] = useState(apiConfig.hostname);
const [port, setPort] = useState(apiConfig.port);
const [secret, setSecret] = useState(apiConfig.secret);
const userTouchedFlagRef = useRef(false);
const contentEl = useRef(null);
useEffect(() => {
contentEl.current.focus();
async function detectApiServer() {
// API server probing
// likely the current page url share the same base url with the API
// server
try {
const res = await fetch('/');
const data = await res.json();
if (data.hello === 'clash' && userTouchedFlagRef.current === false) {
const { hostname, port } = window.location;
setHostname(hostname);
setPort(port);
}
} catch (err) {
// ignore
}
}
detectApiServer();
}, []);
const handleInputOnChange = useCallback((e) => {
userTouchedFlagRef.current = true;
const target = e.target;
const { name } = target;
const value = target.value;
switch (name) {
case 'port':
setPort(value);
break;
case 'hostname':
setHostname(value);
break;
case 'secret':
setSecret(value);
break;
default:
throw new Error(`unknown input name ${name}`);
}
}, []);
const updateConfig = useCallback(() => {
dispatch(updateClashAPIConfig({ hostname, port, secret }));
}, [hostname, port, secret, dispatch]);
const handleContentOnKeyDown = useCallback(
(e) => {
// enter keyCode is 13
if (e.keyCode !== 13) return;
updateConfig();
},
[updateConfig]
);
return (
<div className={s0.root} ref={contentEl} onKeyDown={handleContentOnKeyDown}>
<div className={s0.header}>
<div className={s0.icon}>
<SvgYacd width={160} height={160} />
</div>
</div>
<div className={s0.body}>
<div className={s0.hostnamePort}>
<div>
<Field
id="hostname"
name="hostname"
label="Hostname"
type="text"
value={hostname}
onChange={handleInputOnChange}
/>
</div>
<div>
<Field
id="port"
name="port"
label="Port"
type="number"
value={port}
onChange={handleInputOnChange}
/>
</div>
</div>
<div>
<Field
id="secret"
name="secret"
label="Secret(optional)"
value={secret}
type="text"
onChange={handleInputOnChange}
/>
</div>
</div>
<div className={s0.footer}>
<Button label="Confirm" onClick={updateConfig} />
</div>
</div>
);
}
export default connect(mapState)(APIConfig);
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