- New ShareButton in the page header tries navigator.share() first
(native sheet on mobile), then falls back to navigator.clipboard, then
to a hidden textarea + execCommand("copy") for non-secure-context LAN.
Shows a brief "링크 복사됨" / "복사 안됨" toast; native share success
shows none (the OS sheet is the feedback).
- Mounted between ⇄ 비교 and the Star button.
Fixes reviewer concern on 442cc38: writeNote() used to return null for
both "user emptied the textarea (intentional delete)" and "localStorage
quota failure," so clearing a note showed "저장 안됨." It now returns a
discriminated { status: "saved" | "deleted" | "failed" } and the panel
shows "저장됨" / "삭제됨" / "저장 안됨" accordingly. Failure keeps the
user's text so they can retry or shorten it.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
120 lines
4.1 KiB
TypeScript
120 lines
4.1 KiB
TypeScript
"use client";
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// 종목 페이지의 사이드 메모 패널.
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// Toss "투자 메모" 패턴 — 진입 이유, 관전 포인트를 짧게 적는 자리.
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// localStorage 만 사용, 서버 전송 없음.
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import { useEffect, useMemo, useState } from "react";
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import { NOTE_MAX_LEN, readNote, writeNote, type Note } from "../lib/notes";
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const FEEDBACK_TEXT: Record<"saved" | "deleted" | "failed", string> = {
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saved: "저장됨",
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deleted: "삭제됨",
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failed: "저장 안됨",
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};
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type Props = {
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code: string;
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};
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// '방금 전', '5분 전', '오늘 14:30', 'YYYY-MM-DD' 단계로 압축.
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function fmtUpdatedAt(iso: string): string {
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const t = Date.parse(iso);
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if (!Number.isFinite(t)) return "";
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const now = Date.now();
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const diffSec = Math.max(0, Math.floor((now - t) / 1000));
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if (diffSec < 60) return "방금 전";
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const diffMin = Math.floor(diffSec / 60);
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if (diffMin < 60) return `${diffMin}분 전`;
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const d = new Date(t);
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const pad = (n: number) => String(n).padStart(2, "0");
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const ymd = `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}`;
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const hm = `${pad(d.getHours())}:${pad(d.getMinutes())}`;
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// 같은 날짜면 '오늘 HH:MM', 아니면 'YYYY-MM-DD'
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const today = new Date();
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if (
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today.getFullYear() === d.getFullYear() &&
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today.getMonth() === d.getMonth() &&
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today.getDate() === d.getDate()
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) {
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return `오늘 ${hm}`;
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}
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return ymd;
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}
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export function InvestmentNote({ code }: Props) {
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const [text, setText] = useState("");
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const [saved, setSaved] = useState<Note | null>(null);
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const [feedback, setFeedback] = useState<string | null>(null);
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useEffect(() => {
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const n = readNote(code);
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setSaved(n);
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setText(n?.text ?? "");
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setFeedback(null);
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}, [code]);
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const dirty = (saved?.text ?? "") !== text;
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// 저장 직후 잠깐 띄우는 toast 같은 안내. dirty 또는 종목 전환 시 자동 해제.
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useEffect(() => {
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if (!feedback) return;
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const h = window.setTimeout(() => setFeedback(null), 2500);
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return () => window.clearTimeout(h);
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}, [feedback]);
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const remaining = useMemo(() => NOTE_MAX_LEN - text.length, [text]);
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const save = () => {
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const res = writeNote(code, text);
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if (res.status === "saved") {
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setSaved(res.note);
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setText(res.note.text);
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} else if (res.status === "deleted") {
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setSaved(null);
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setText("");
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}
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// failed: 입력값 유지 — 사용자가 재시도하거나 일부를 줄일 수 있도록.
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setFeedback(FEEDBACK_TEXT[res.status]);
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};
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return (
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<div className="rounded-lg border border-zinc-800 bg-zinc-900/40 p-3">
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<div className="mb-2 flex items-baseline justify-between">
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<h3 className="text-xs font-semibold text-zinc-300">투자 메모</h3>
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<span className="text-[10px] text-zinc-500">
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{saved ? fmtUpdatedAt(saved.updatedAt) : "비공개 · 브라우저 저장"}
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</span>
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</div>
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<textarea
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value={text}
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onChange={(e) => setText(e.target.value.slice(0, NOTE_MAX_LEN))}
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placeholder="이 종목에 대한 관전 포인트, 진입/청산 근거 등을 적어두세요."
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rows={4}
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className="w-full resize-y rounded border border-zinc-800 bg-zinc-950/50 px-2 py-1.5 text-[12px] leading-relaxed text-zinc-100 outline-none focus:border-zinc-600"
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spellCheck={false}
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/>
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<div className="mt-2 flex items-center justify-between">
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<span className="text-[10px] tabular-nums text-zinc-500">
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{remaining.toLocaleString()}자 남음
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</span>
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<div className="flex items-center gap-2">
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{feedback && (
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<span className="text-[10px] text-zinc-400" aria-live="polite">
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{feedback}
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</span>
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)}
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<button
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type="button"
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onClick={save}
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disabled={!dirty}
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className="rounded-md border border-zinc-700 bg-zinc-800/80 px-2 py-1 text-[11px] text-zinc-100 transition hover:border-zinc-500 disabled:cursor-not-allowed disabled:opacity-40"
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>
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저장
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</button>
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</div>
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</div>
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</div>
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);
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}
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