add all frontend files

node_modules/@rc-component/qrcode/lib/hooks/useQRCode.d.ts

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+import { QrCode } from '../libs/qrcodegen';
+import type { ErrorCorrectionLevel, ImageSettings } from '../interface';
+interface Options {
+    value: string | string[];
+    level: ErrorCorrectionLevel;
+    minVersion: number;
+    includeMargin: boolean;
+    marginSize?: number;
+    imageSettings?: ImageSettings;
+    size: number;
+    boostLevel?: boolean;
+}
+export declare const useQRCode: (opt: Options) => {
+    cells: boolean[][];
+    margin: number;
+    numCells: number;
+    calculatedImageSettings: {
+        x: number;
+        y: number;
+        h: number;
+        w: number;
+        excavation: import("../interface").Excavation;
+        opacity: number;
+        crossOrigin: import("../interface").CrossOrigin;
+    };
+    qrcode: QrCode;
+};
+export {};

node_modules/@rc-component/qrcode/lib/hooks/useQRCode.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.useQRCode = void 0;
+var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
+var _qrcodegen = require("../libs/qrcodegen");
+var _utils = require("../utils");
+var _react = _interopRequireDefault(require("react"));
+var useQRCode = exports.useQRCode = function useQRCode(opt) {
+  var value = opt.value,
+    level = opt.level,
+    minVersion = opt.minVersion,
+    includeMargin = opt.includeMargin,
+    marginSize = opt.marginSize,
+    imageSettings = opt.imageSettings,
+    size = opt.size,
+    boostLevel = opt.boostLevel;
+  var memoizedQrcode = _react.default.useMemo(function () {
+    var values = Array.isArray(value) ? value : [value];
+    var segments = values.reduce(function (acc, val) {
+      acc.push.apply(acc, (0, _toConsumableArray2.default)(_qrcodegen.QrSegment.makeSegments(val)));
+      return acc;
+    }, []);
+    return _qrcodegen.QrCode.encodeSegments(segments, _utils.ERROR_LEVEL_MAP[level], minVersion, undefined, undefined, boostLevel);
+  }, [value, level, minVersion, boostLevel]);
+  return _react.default.useMemo(function () {
+    var cs = memoizedQrcode.getModules();
+    var mg = (0, _utils.getMarginSize)(includeMargin, marginSize);
+    var ncs = cs.length + mg * 2;
+    var cis = (0, _utils.getImageSettings)(cs, size, mg, imageSettings);
+    return {
+      cells: cs,
+      margin: mg,
+      numCells: ncs,
+      calculatedImageSettings: cis,
+      qrcode: memoizedQrcode
+    };
+  }, [memoizedQrcode, size, imageSettings, includeMargin, marginSize]);
+};