!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define("vue-qr",[],e):"object"==typeof exports?exports["vue-qr"]=e():t["vue-qr"]=e()}(this,(function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var o=e[n]={i:n,l:!1,exports:{}};return t[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)r.d(n,o,function(e){return t[e]}.bind(null,o));return n},r.n=function(t){var 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ImageData(t,e,r)}},e.loadImage=function(t,e){return new Promise((function(r,n){const o=Object.assign(document.createElement("img"),e);function i(){o.onload=null,o.onerror=null}o.onload=function(){i(),r(o)},o.onerror=function(){i(),n(new Error('Failed to load the image "'+t+'"'))},o.src=t}))}},function(t,e,r){t.exports=r(14)},function(t,e){function r(e){return"function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?(t.exports=r=function(t){return typeof t},t.exports.default=t.exports,t.exports.__esModule=!0):(t.exports=r=function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},t.exports.default=t.exports,t.exports.__esModule=!0),r(e)}t.exports=r,t.exports.default=t.exports,t.exports.__esModule=!0},function(t,e,r){"use strict";r.d(e,"a",(function(){return c})),r.d(e,"b",(function(){return l})),r.d(e,"c",(function(){return p}));var n=r(0),o=r.n(n),i=r(1),a=r.n(i);function s(t){var e=encodeURI(t).toString().replace(/\%[0-9a-fA-F]{2}/g,"a");return e.length+(e.length!=Number(t)?3:0)}var u=function(){function t(e){o()(this,t),this.mode=f.MODE_8BIT_BYTE,this.parsedData=[],this.data=e;for(var r=[],n=0,i=this.data.length;n<i;n++){var a=[],s=this.data.charCodeAt(n);s>65536?(a[0]=240|(1835008&s)>>>18,a[1]=128|(258048&s)>>>12,a[2]=128|(4032&s)>>>6,a[3]=128|63&s):s>2048?(a[0]=224|(61440&s)>>>12,a[1]=128|(4032&s)>>>6,a[2]=128|63&s):s>128?(a[0]=192|(1984&s)>>>6,a[1]=128|63&s):a[0]=s,r.push(a)}this.parsedData=Array.prototype.concat.apply([],r),this.parsedData.length!=this.data.length&&(this.parsedData.unshift(191),this.parsedData.unshift(187),this.parsedData.unshift(239))}return a()(t,[{key:"getLength",value:function(){return this.parsedData.length}},{key:"write",value:function(t){for(var e=0,r=this.parsedData.length;e<r;e++)t.put(this.parsedData[e],8)}}]),t}(),c=function(){function t(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:l.L;o()(this,t),this.moduleCount=0,this.dataList=[],this.typeNumber=e,this.errorCorrectLevel=r,this.moduleCount=0,this.dataList=[]}return a()(t,[{key:"addData",value:function(t){if(this.typeNumber<=0)this.typeNumber=function(t,e){for(var r=1,n=s(t),o=0,i=m.length;o<i;o++){var a=0;switch(e){case l.L:a=m[o][0];break;case l.M:a=m[o][1];break;case l.Q:a=m[o][2];break;case l.H:a=m[o][3]}if(n<=a)break;r++}if(r>m.length)throw new Error("Too long data");return r}(t,this.errorCorrectLevel);else{if(this.typeNumber>40)throw new Error("Invalid QR version: ".concat(this.typeNumber));if(!function(t,e,r){var n=s(e),o=t-1,i=0;switch(r){case l.L:i=m[o][0];break;case l.M:i=m[o][1];break;case l.Q:i=m[o][2];break;case l.H:i=m[o][3]}return n<=i}(this.typeNumber,t,this.errorCorrectLevel))throw new Error("Data is too long for QR version: ".concat(this.typeNumber))}var e=new u(t);this.dataList.push(e),this.dataCache=void 0}},{key:"isDark",value:function(t,e){if(t<0||this.moduleCount<=t||e<0||this.moduleCount<=e)throw new Error("".concat(t,",").concat(e));return this.modules[t][e]}},{key:"getModuleCount",value:function(){return this.moduleCount}},{key:"make",value:function(){this.makeImpl(!1,this.getBestMaskPattern())}},{key:"makeImpl",value:function(e,r){this.moduleCount=4*this.typeNumber+17,this.modules=new Array(this.moduleCount);for(var n=0;n<this.moduleCount;n++){this.modules[n]=new Array(this.moduleCount);for(var o=0;o<this.moduleCount;o++)this.modules[n][o]=null}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(e,r),this.typeNumber>=7&&this.setupTypeNumber(e),null==this.dataCache&&(this.dataCache=t.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,r)}},{key:"setupPositionProbePattern",value:function(t,e){for(var r=-1;r<=7;r++)if(!(t+r<=-1||this.moduleCount<=t+r))for(var n=-1;n<=7;n++)e+n<=-1||this.moduleCount<=e+n||(this.modules[t+r][e+n]=0<=r&&r<=6&&(0==n||6==n)||0<=n&&n<=6&&(0==r||6==r)||2<=r&&r<=4&&2<=n&&n<=4)}},{key:"getBestMaskPattern",value:function(){if(Number.isInteger(this.maskPattern)&&Object.values(h).includes(this.maskPattern))return this.maskPattern;for(var t=0,e=0,r=0;r<8;r++){this.makeImpl(!0,r);var n=p.getLostPoint(this);(0==r||t>n)&&(t=n,e=r)}return e}},{key:"setupTimingPattern",value:function(){for(var t=8;t<this.moduleCount-8;t++)null==this.modules[t][6]&&(this.modules[t][6]=t%2==0);for(var e=8;e<this.moduleCount-8;e++)null==this.modules[6][e]&&(this.modules[6][e]=e%2==0)}},{key:"setupPositionAdjustPattern",value:function(){for(var t=p.getPatternPosition(this.typeNumber),e=0;e<t.length;e++)for(var r=0;r<t.length;r++){var n=t[e],o=t[r];if(null==this.modules[n][o])for(var i=-2;i<=2;i++)for(var a=-2;a<=2;a++)this.modules[n+i][o+a]=-2==i||2==i||-2==a||2==a||0==i&&0==a}}},{key:"setupTypeNumber",value:function(t){for(var e=p.getBCHTypeNumber(this.typeNumber),r=0;r<18;r++){var n=!t&&1==(e>>r&1);this.modules[Math.floor(r/3)][r%3+this.moduleCount-8-3]=n}for(r=0;r<18;r++){n=!t&&1==(e>>r&1);this.modules[r%3+this.moduleCount-8-3][Math.floor(r/3)]=n}}},{key:"setupTypeInfo",value:function(t,e){for(var r=this.errorCorrectLevel<<3|e,n=p.getBCHTypeInfo(r),o=0;o<15;o++){var i=!t&&1==(n>>o&1);o<6?this.modules[o][8]=i:o<8?this.modules[o+1][8]=i:this.modules[this.moduleCount-15+o][8]=i}for(o=0;o<15;o++){i=!t&&1==(n>>o&1);o<8?this.modules[8][this.moduleCount-o-1]=i:o<9?this.modules[8][15-o-1+1]=i:this.modules[8][15-o-1]=i}this.modules[this.moduleCount-8][8]=!t}},{key:"mapData",value:function(t,e){for(var r=-1,n=this.moduleCount-1,o=7,i=0,a=this.moduleCount-1;a>0;a-=2)for(6==a&&a--;;){for(var s=0;s<2;s++)if(null==this.modules[n][a-s]){var u=!1;i<t.length&&(u=1==(t[i]>>>o&1)),p.getMask(e,n,a-s)&&(u=!u),this.modules[n][a-s]=u,-1==--o&&(i++,o=7)}if((n+=r)<0||this.moduleCount<=n){n-=r,r=-r;break}}}}],[{key:"createData",value:function(e,r,n){for(var o=y.getRSBlocks(e,r),i=new v,a=0;a<n.length;a++){var s=n[a];i.put(s.mode,4),i.put(s.getLength(),p.getLengthInBits(s.mode,e)),s.write(i)}var u=0;for(a=0;a<o.length;a++)u+=o[a].dataCount;if(i.getLengthInBits()>8*u)throw new Error("code length overflow. (".concat(i.getLengthInBits(),">").concat(8*u,")"));for(i.getLengthInBits()+4<=8*u&&i.put(0,4);i.getLengthInBits()%8!=0;)i.putBit(!1);for(;!(i.getLengthInBits()>=8*u||(i.put(t.PAD0,8),i.getLengthInBits()>=8*u));)i.put(t.PAD1,8);return t.createBytes(i,o)}},{key:"createBytes",value:function(t,e){for(var r=0,n=0,o=0,i=new Array(e.length),a=new Array(e.length),s=0;s<e.length;s++){var u=e[s].dataCount,c=e[s].totalCount-u;n=Math.max(n,u),o=Math.max(o,c),i[s]=new Array(u);for(var l=0;l<i[s].length;l++)i[s][l]=255&t.buffer[l+r];r+=u;var f=p.getErrorCorrectPolynomial(c),h=new g(i[s],f.getLength()-1).mod(f);a[s]=new Array(f.getLength()-1);for(l=0;l<a[s].length;l++){var d=l+h.getLength()-a[s].length;a[s][l]=d>=0?h.get(d):0}}var y=0;for(l=0;l<e.length;l++)y+=e[l].totalCount;var v=new Array(y),m=0;for(l=0;l<n;l++)for(s=0;s<e.length;s++)l<i[s].length&&(v[m++]=i[s][l]);for(l=0;l<o;l++)for(s=0;s<e.length;s++)l<a[s].length&&(v[m++]=a[s][l]);return v}}]),t}();c.PAD0=236,c.PAD1=17;var l={L:1,M:0,Q:3,H:2},f={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},h={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},p=function(){function t(){o()(this,t)}return a()(t,null,[{key:"getBCHTypeInfo",value:function(e){for(var r=e<<10;t.getBCHDigit(r)-t.getBCHDigit(t.G15)>=0;)r^=t.G15<<t.getBCHDigit(r)-t.getBCHDigit(t.G15);return(e<<10|r)^t.G15_MASK}},{key:"getBCHTypeNumber",value:function(e){for(var r=e<<12;t.getBCHDigit(r)-t.getBCHDigit(t.G18)>=0;)r^=t.G18<<t.getBCHDigit(r)-t.getBCHDigit(t.G18);return e<<12|r}},{key:"getBCHDigit",value:function(t){for(var e=0;0!=t;)e++,t>>>=1;return e}},{key:"getPatternPosition",value:function(e){return t.PATTERN_POSITION_TABLE[e-1]}},{key:"getMask",value:function(t,e,r){switch(t){case h.PATTERN000:return(e+r)%2==0;case h.PATTERN001:return e%2==0;case h.PATTERN010:return r%3==0;case h.PATTERN011:return(e+r)%3==0;case h.PATTERN100:return(Math.floor(e/2)+Math.floor(r/3))%2==0;case h.PATTERN101:return e*r%2+e*r%3==0;case h.PATTERN110:return(e*r%2+e*r%3)%2==0;case h.PATTERN111:return(e*r%3+(e+r)%2)%2==0;default:throw new Error("bad maskPattern:".concat(t))}}},{key:"getErrorCorrectPolynomial",value:function(t){for(var e=new g([1],0),r=0;r<t;r++)e=e.multiply(new g([1,d.gexp(r)],0));return e}},{key:"getLengthInBits",value:function(t,e){if(1<=e&&e<10)switch(t){case f.MODE_NUMBER:return 10;case f.MODE_ALPHA_NUM:return 9;case f.MODE_8BIT_BYTE:case f.MODE_KANJI:return 8;default:throw new Error("mode:".concat(t))}else if(e<27)switch(t){case f.MODE_NUMBER:return 12;case f.MODE_ALPHA_NUM:return 11;case f.MODE_8BIT_BYTE:return 16;case f.MODE_KANJI:return 10;default:throw new Error("mode:".concat(t))}else{if(!(e<41))throw new Error("type:".concat(e));switch(t){case f.MODE_NUMBER:return 14;case f.MODE_ALPHA_NUM:return 13;case f.MODE_8BIT_BYTE:return 16;case f.MODE_KANJI:return 12;default:throw new Error("mode:".concat(t))}}}},{key:"getLostPoint",value:function(t){for(var e=t.getModuleCount(),r=0,n=0;n<e;n++)for(var o=0;o<e;o++){for(var i=0,a=t.isDark(n,o),s=-1;s<=1;s++)if(!(n+s<0||e<=n+s))for(var u=-1;u<=1;u++)o+u<0||e<=o+u||0==s&&0==u||a==t.isDark(n+s,o+u)&&i++;i>5&&(r+=3+i-5)}for(n=0;n<e-1;n++)for(o=0;o<e-1;o++){var c=0;t.isDark(n,o)&&c++,t.isDark(n+1,o)&&c++,t.isDark(n,o+1)&&c++,t.isDark(n+1,o+1)&&c++,0!=c&&4!=c||(r+=3)}for(n=0;n<e;n++)for(o=0;o<e-6;o++)t.isDark(n,o)&&!t.isDark(n,o+1)&&t.isDark(n,o+2)&&t.isDark(n,o+3)&&t.isDark(n,o+4)&&!t.isDark(n,o+5)&&t.isDark(n,o+6)&&(r+=40);for(o=0;o<e;o++)for(n=0;n<e-6;n++)t.isDark(n,o)&&!t.isDark(n+1,o)&&t.isDark(n+2,o)&&t.isDark(n+3,o)&&t.isDark(n+4,o)&&!t.isDark(n+5,o)&&t.isDark(n+6,o)&&(r+=40);var l=0;for(o=0;o<e;o++)for(n=0;n<e;n++)t.isDark(n,o)&&l++;return r+=10*(Math.abs(100*l/e/e-50)/5)}}]),t}();p.PATTERN_POSITION_TABLE=[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],p.G15=1335,p.G18=7973,p.G15_MASK=21522;var d=function(){function t(){o()(this,t)}return a()(t,null,[{key:"glog",value:function(e){if(e<1)throw new Error("glog(".concat(e,")"));return t.LOG_TABLE[e]}},{key:"gexp",value:function(e){for(;e<0;)e+=255;for(;e>=256;)e-=255;return t.EXP_TABLE[e]}}]),t}();d.EXP_TABLE=new Array(256),d.LOG_TABLE=new Array(256),d._constructor=function(){for(var t=0;t<8;t++)d.EXP_TABLE[t]=1<<t;for(t=8;t<256;t++)d.EXP_TABLE[t]=d.EXP_TABLE[t-4]^d.EXP_TABLE[t-5]^d.EXP_TABLE[t-6]^d.EXP_TABLE[t-8];for(t=0;t<255;t++)d.LOG_TABLE[d.EXP_TABLE[t]]=t}();var g=function(){function t(e,r){if(o()(this,t),null==e.length)throw new Error("".concat(e.length,"/").concat(r));for(var n=0;n<e.length&&0==e[n];)n++;this.num=new Array(e.length-n+r);for(var i=0;i<e.length-n;i++)this.num[i]=e[i+n]}return a()(t,[{key:"get",value:function(t){return this.num[t]}},{key:"getLength",value:function(){return this.num.length}},{key:"multiply",value:function(e){for(var r=new Array(this.getLength()+e.getLength()-1),n=0;n<this.getLength();n++)for(var o=0;o<e.getLength();o++)r[n+o]^=d.gexp(d.glog(this.get(n))+d.glog(e.get(o)));return new t(r,0)}},{key:"mod",value:function(e){if(this.getLength()-e.getLength()<0)return this;for(var r=d.glog(this.get(0))-d.glog(e.get(0)),n=new 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99:for(F.fillStyle=this.options.colorDark,F.fillRect(0,0,7*O,O),F.fillRect((T-7)*O,0,7*O,O),F.fillRect(0,6*O,7*O,O),F.fillRect((T-7)*O,6*O,7*O,O),F.fillRect(0,(T-7)*O,7*O,O),F.fillRect(0,(T-7+6)*O,7*O,O),F.fillRect(0,0,O,7*O),F.fillRect(6*O,0,O,7*O),F.fillRect((T-7)*O,0,O,7*O),F.fillRect((T-7+6)*O,0,O,7*O),F.fillRect(0,(T-7)*O,O,7*O),F.fillRect(6*O,(T-7)*O,O,7*O),F.fillRect(2*O,2*O,3*O,3*O),F.fillRect((T-7+2)*O,2*O,3*O,3*O),F.fillRect(2*O,(T-7+2)*O,3*O,3*O),mt=(null===(b=null===(w=this.options.components)||void 0===w?void 0:w.timing)||void 0===b?void 0:b.scale)||.4,wt=.5*(1-mt),bt=0;bt<T-8;bt+=2)e._drawDot(F,8+bt,6,O,wt,mt),e._drawDot(F,6,8+bt,O,wt,mt);xt=(null===(E=null===(x=this.options.components)||void 0===x?void 0:x.cornerAlignment)||void 0===E?void 0:E.scale)||.4,Et=.5*(1-xt),e._drawAlign(F,ht,ht,O,Et,xt,this.options.colorDark,(null===(B=null===(A=this.options.components)||void 0===A?void 0:A.cornerAlignment)||void 0===B?void 0:B.protectors)||!1),At=(null===(_=null===(k=this.options.components)||void 0===k?void 0:k.alignment)||void 0===_?void 0:_.scale)||.4,Bt=.5*(1-At),kt=0;case 124:if(!(kt<tt.length)){l.next=148;break}_t=0;case 126:if(!(_t<tt.length)){l.next=145;break}if(Pt=tt[_t],Ct=tt[kt],6!==Pt||6!==Ct&&Ct!==ht){l.next=133;break}return l.abrupt("continue",142);case 133:if(6!==Ct||6!==Pt&&Pt!==ht){l.next=137;break}return l.abrupt("continue",142);case 137:if(Pt!==ht||Ct!==ht){l.next=141;break}return l.abrupt("continue",142);case 141:e._drawAlign(F,Pt,Ct,O,Bt,At,this.options.colorDark,(null===(C=null===(P=this.options.components)||void 0===P?void 0:P.alignment)||void 0===C?void 0:C.protectors)||!1);case 142:_t++,l.next=126;break;case 145:kt++,l.next=124;break;case 148:if(I&&(F.fillStyle=this.options.backgroundColor,F.fillRect(-L,-L,N,L),F.fillRect(-L,U,N,L),F.fillRect(U,-L,L,N),F.fillRect(-L,-L,L,N)),!this.options.logoImage){l.next=179;break}return l.next=152,y(this.options.logoImage);case 152:Tt=l.sent,Rt=this.options.logoScale,St=this.options.logoMargin,Lt=this.options.logoCornerRadius,(Rt<=0||Rt>=1)&&(Rt=.2),St<0&&(St=0),Lt<0&&(Lt=0),Mt=It=.5*(N-(Dt=U*Rt)),F.restore(),F.fillStyle=this.options.logoBackgroundColor,F.save(),e._prepareRoundedCornerClip(F,It-St,Mt-St,Dt+2*St,Dt+2*St,Lt+St),F.clip(),Ot=F.globalCompositeOperation,F.globalCompositeOperation="destination-out",F.fill(),F.globalCompositeOperation=Ot,F.restore(),F.save(),e._prepareRoundedCornerClip(F,It,Mt,Dt,Dt,Lt),F.clip(),F.drawImage(Tt,It,Mt,Dt,Dt),F.restore(),F.save(),F.translate(L,L);case 179:if(!G){l.next=191;break}if(H.forEach((function(t){Ut||((Ut=new d.a(R,R)).setDelay(t.delay),Ut.setRepeat(0));var 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l.abrupt("return",Promise.resolve(t.from(Ut.stream().toFlattenUint8Array())));case 191:if(z.drawImage(j,0,0,N,N),F.drawImage(Y,-L,-L,N,N),qt=Object(f.createCanvas)(R,R),qt.getContext("2d").drawImage(j,0,0,R,R),this.canvas=qt,!m(this.canvas)){l.next=199;break}return l.abrupt("return",Promise.resolve(this.canvas.toDataURL()));case 199:return l.abrupt("return",Promise.resolve(this.canvas.toBuffer()));case 200:case"end":return l.stop()}}),g,this)})))}}],[{key:"_prepareRoundedCornerClip",value:function(t,e,r,n,o,i){t.beginPath(),t.moveTo(e,r),t.arcTo(e+n,r,e+n,r+o,i),t.arcTo(e+n,r+o,e,r+o,i),t.arcTo(e,r+o,e,r,i),t.arcTo(e,r,e+n,r,i),t.closePath()}},{key:"_getAverageRGB",value:function(t){var e,r,n={r:0,g:0,b:0},o=-4,i={r:0,g:0,b:0},a=0;r=t.naturalHeight||t.height,e=t.naturalWidth||t.width;var s,u=Object(f.createCanvas)(e,r).getContext("2d");if(!u)return n;u.drawImage(t,0,0);try{s=u.getImageData(0,0,e,r)}catch(t){return 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