perf: memoize some values

This commit is contained in:
rusconn
2024-09-22 19:09:10 +09:00
parent 3fd29b6ccb
commit f053bd40eb
3 changed files with 9 additions and 9 deletions

View File

@@ -1,6 +1,6 @@
"use client";
import { useCallback, useState } from "react";
import { useCallback, useMemo, useState } from "react";
import { toolGroups } from "@/config/tools";
import { safeJsonParse } from "@/lib/json";
@@ -25,7 +25,7 @@ export default function Page() {
const [indentation, setIndentation] = useState(indentations.two);
const [input, setInput] = useState('{\n"foo":"bar"\n}');
const parsed = safeJsonParse(input);
const parsed = useMemo(() => safeJsonParse(input), [input]);
const output = parsed.map(x => JSON.stringify(x, null, indentation)).unwrapOr("");
const clearInput = useCallback(() => setInput(""), []);

View File

@@ -1,6 +1,6 @@
"use client";
import { useCallback, useState } from "react";
import { useCallback, useMemo, useState } from "react";
import MD5 from "crypto-js/md5";
import SHA1 from "crypto-js/sha1";
import SHA256 from "crypto-js/sha256";
@@ -22,10 +22,10 @@ export default function Page() {
const [uppercase, setUppercase] = useState(false);
const [input, setInput] = useState("Hello there !");
const newMd5 = MD5(input).toString();
const newSha1 = SHA1(input).toString();
const newSha256 = SHA256(input).toString();
const newSha512 = SHA512(input).toString();
const newMd5 = useMemo(() => MD5(input).toString(), [input]);
const newSha1 = useMemo(() => SHA1(input).toString(), [input]);
const newSha256 = useMemo(() => SHA256(input).toString(), [input]);
const newSha512 = useMemo(() => SHA512(input).toString(), [input]);
const md5 = uppercase ? newMd5.toUpperCase() : newMd5;
const sha1 = uppercase ? newSha1.toUpperCase() : newSha1;

View File

@@ -1,6 +1,6 @@
"use client";
import { useCallback, useState } from "react";
import { useCallback, useMemo, useState } from "react";
import { toolGroups } from "@/config/tools";
import { uuid } from "@/lib/uuid";
@@ -38,7 +38,7 @@ export default function Page() {
const [uuids, setUuids] = useState<string[]>([]);
const ref = useAutoScroll<HTMLTextAreaElement>([uuids]);
const uuidsString = uuids.join("\n");
const uuidsString = useMemo(() => uuids.join("\n"), [uuids]);
const clearUuids = useCallback(() => setUuids([]), []);