70 lines
2.0 KiB
TypeScript
70 lines
2.0 KiB
TypeScript
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import React, { useState, useRef } from "react";
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import { Link, useHistory } from "react-router-dom";
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import useKeyboardShortcut from "use-keyboard-shortcut";
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const Title: React.FC = () => {
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const [search, setSearch] = useState<string>();
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const [canSubmit, setCanSubmit] = useState<boolean>(false);
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const history = useHistory();
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const handleChange: React.ChangeEventHandler<HTMLInputElement> = (e) => {
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setCanSubmit(e.target.value.trim().length > 0);
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setSearch(e.target.value.trim());
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};
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const handleSubmit: React.FormEventHandler<HTMLFormElement> = (e) => {
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e.preventDefault();
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if (!canSubmit) {
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return;
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}
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history.push(`/search?q=${search}`);
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};
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const searchRef = useRef<HTMLInputElement>(null);
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useKeyboardShortcut(["/"], () => {
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searchRef.current?.focus();
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});
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return (
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<div className="px-9 py-2 flex justify-between items-baseline">
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<Link className="self-center" to="/">
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<div className="text-2xl text-link-blue font-title font-bold flex items-center space-x-2">
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<img
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className="rounded-full"
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src="/otter.jpg"
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width={32}
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height={32}
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alt="An otter scanning"
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title="An otter scanning"
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/>
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<span>Otterscan</span>
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</div>
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</Link>
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<form
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className="flex"
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onSubmit={handleSubmit}
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autoComplete="off"
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spellCheck={false}
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>
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<input
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className="w-full border-t border-b border-l rounded-l focus:outline-none px-2 py-1 text-sm"
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type="text"
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size={50}
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placeholder='Type "/" to search by address / txn hash / block number'
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onChange={handleChange}
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ref={searchRef}
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/>
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<button
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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"
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type="submit"
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>
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Search
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</button>
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</form>
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</div>
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);
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};
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export default React.memo(Title);
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