Files
shoptime/com.twin.app.shoptime/src/components/TQRCode/TQRCodeNew.jsx
junghoon86.park 4fcd87da7d [워닝 제거] tqrcode
- 선언후 사용하지않는 useMemo, useState제거
 - tqrcode에서는 width, height 의존성배열 추가.
2025-12-12 13:12:33 +09:00

103 lines
2.7 KiB
JavaScript

import React, {
useEffect,
useRef,
} from 'react';
import {
useDispatch,
useSelector,
} from 'react-redux';
import { getDeviceAdditionInfo } from '../../actions/deviceActions';
import {
scaleH,
scaleW,
} from '../../utils/helperMethods';
export default function TQRCodeNew({
isBillingProductVisible,
ariaLabel,
text,
width = "128",
height = "128",
}) {
const qrcodeRef = useRef(null);
const deviceInfo = useSelector((state) => state.device.deviceInfo);
const { entryMenu, nowMenu } = useSelector((state) => state.common.menu);
const dispatch = useDispatch();
useEffect(() => {
if (!deviceInfo) {
dispatch(getDeviceAdditionInfo());
}
}, [deviceInfo, dispatch]);
const applyCircularMask = (scaledWidth, scaledHeight) => {
if (!qrcodeRef.current) return;
const canvas = qrcodeRef.current.querySelector('canvas');
if (!canvas) return;
const radius = scaledWidth / 2;
// 원본 canvas 저장
const tempCanvas = document.createElement('canvas');
tempCanvas.width = scaledWidth;
tempCanvas.height = scaledHeight;
const tempCtx = tempCanvas.getContext('2d');
tempCtx.drawImage(canvas, 0, 0);
// 원본 canvas 초기화
const ctx = canvas.getContext('2d');
ctx.clearRect(0, 0, scaledWidth, scaledHeight);
// 원형 마스크 적용
ctx.beginPath();
ctx.arc(radius, radius, radius, 0, Math.PI * 2);
ctx.clip();
// 이미지 다시 그리기
ctx.drawImage(tempCanvas, 0, 0);
};
useEffect(() => {
if (typeof window === "object" && entryMenu && nowMenu) {
if (qrcodeRef.current) {
while (qrcodeRef.current.firstChild) {
qrcodeRef.current.removeChild(qrcodeRef.current.firstChild);
}
}
// nowMenu 데이터를 Base64로 인코딩
const encodedNowMenu = encodeURIComponent(nowMenu);
const encodeEntryMenu = encodeURIComponent(entryMenu);
let idx;
if (deviceInfo === null || !deviceInfo) {
idx = 0;
} else {
idx = deviceInfo?.dvcIndex;
}
const scaledWidth = scaleW(width);
const scaledHeight = scaleH(height);
const qrcode = new window.QRCode(qrcodeRef.current, {
text: isBillingProductVisible
? text
: `${text}&entryMenu=${encodeEntryMenu}&nowMenu=${encodedNowMenu}&idx=${idx}`,
width: scaledWidth,
height: scaledHeight,
correctLevel: window.QRCode.CorrectLevel.L,
});
// QR코드 생성 완료 후 원형 마스킹 적용
setTimeout(() => {
applyCircularMask(scaledWidth, scaledHeight);
}, 100);
}
}, [text, deviceInfo, entryMenu, nowMenu, isBillingProductVisible, width, height]);
return <div aria-label={ariaLabel} ref={qrcodeRef} />;
}