otterscan/src/Title.tsx

70 lines
2.0 KiB
TypeScript

import React, { useState, useRef } from "react";
import { Link, useHistory } from "react-router-dom";
import useKeyboardShortcut from "use-keyboard-shortcut";
const Title: React.FC = () => {
const [search, setSearch] = useState<string>();
const [canSubmit, setCanSubmit] = useState<boolean>(false);
const history = useHistory();
const handleChange: React.ChangeEventHandler<HTMLInputElement> = (e) => {
setCanSubmit(e.target.value.trim().length > 0);
setSearch(e.target.value.trim());
};
const handleSubmit: React.FormEventHandler<HTMLFormElement> = (e) => {
e.preventDefault();
if (!canSubmit) {
return;
}
history.push(`/search?q=${search}`);
};
const searchRef = useRef<HTMLInputElement>(null);
useKeyboardShortcut(["/"], () => {
searchRef.current?.focus();
});
return (
<div className="px-9 py-2 flex justify-between items-baseline">
<Link className="self-center" to="/">
<div className="text-2xl text-link-blue font-title font-bold flex items-center space-x-2">
<img
className="rounded-full"
src="/otter.jpg"
width={32}
height={32}
alt="An otter scanning"
title="An otter scanning"
/>
<span>Otterscan</span>
</div>
</Link>
<form
className="flex"
onSubmit={handleSubmit}
autoComplete="off"
spellCheck={false}
>
<input
className="w-full border-t border-b border-l rounded-l focus:outline-none px-2 py-1 text-sm"
type="text"
size={60}
placeholder='Type "/" to search by address / txn hash / block number / ENS name'
onChange={handleChange}
ref={searchRef}
/>
<button
className="rounded-r border-t border-b border-r bg-gray-100 hover:bg-gray-200 focus:outline-none px-2 py-1 text-sm text-gray-500"
type="submit"
>
Search
</button>
</form>
</div>
);
};
export default React.memo(Title);