id-scanner-lib/dist/id-scanner.min.js

一款纯前端实现的TypeScript身份证&二维码识别库，无需后端支持，所有处理在浏览器端完成，新增图像批处理与优化

var global,factory;global=this,factory=function(t,n,r){"use strict";class e{constructor(t={}){this.options=t,this.stream=null,this.videoElement=null,this.options={width:640,height:480,facingMode:"environment",...t}}async start(t){return this.initialize(t)}stop(){this.release()}async initialize(t){this.videoElement=t;try{const t={video:{width:{ideal:this.options.width},height:{ideal:this.options.height},facingMode:this.options.facingMode}};this.stream=await navigator.mediaDevices.getUserMedia(t),this.videoElement&&(this.videoElement.srcObject=this.stream,await new Promise((t=>{this.videoElement&&(this.videoElement.onloadedmetadata=()=>{this.videoElement&&this.videoElement.play().then((()=>t()))})})))}catch(t){throw Error("无法访问摄像头。请确保已授予摄像头访问权限，并且摄像头未被其他应用程序占用。")}}captureFrame(){if(!this.videoElement)return null;const t=document.createElement("canvas");t.width=this.videoElement.videoWidth,t.height=this.videoElement.videoHeight;const n=t.getContext("2d");return n?(n.drawImage(this.videoElement,0,0,t.width,t.height),n.getImageData(0,0,t.width,t.height)):null}release(){this.stream&&(this.stream.getTracks().forEach((t=>t.stop())),this.stream=null),this.videoElement&&(this.videoElement.srcObject=null,this.videoElement=null)}}class i{constructor(t={}){this.options=t,this.scanning=!1,this.scanTimer=null,this.options={scanInterval:200,...t},this.camera=new e}async start(t){try{await this.camera.initialize(t),this.scanning=!0,this.scan()}catch(t){this.options.onError&&this.options.onError(t instanceof Error?t:Error(t+""))}}scan(){if(!this.scanning)return;const t=this.camera.captureFrame();if(t){const n=r(t.data,t.width,t.height);n&&this.options.onScan&&this.options.onScan(n.data)}this.scanTimer=window.setTimeout((()=>this.scan()),this.options.scanInterval)}stop(){this.scanning=!1,this.scanTimer&&(clearTimeout(this.scanTimer),this.scanTimer=null),this.camera.release()}processImageData(t){try{if(!t||!t.data||t.width<=0||t.height<=0)throw Error("无效的图像数据");const n=r(t.data,t.width,t.height);return n&&n.data?n.data:null}catch(t){return this.options.onError&&this.options.onError(t instanceof Error?t:Error(t+"")),null}}}function s(t,n){return new Promise((function(r,e){let i;return o(t).then((function(t){try{return i=t,r(new Blob([n.slice(0,2),i,n.slice(2)],{type:"image/jpeg"}))}catch(t){return e(t)}}),e)}))}const o=t=>new Promise(((n,r)=>{const e=new FileReader;e.addEventListener("load",(({target:{result:t}})=>{const e=new DataView(t);let i=0;if(65496!==e.getUint16(i))return r("not a valid JPEG");for(i+=2;;){const s=e.getUint16(i);if(65498===s)break;const o=e.getUint16(i+2);if(65505===s&&1165519206===e.getUint32(i+4)){const s=i+10;let a;switch(e.getUint16(s)){case 18761:a=!0;break;case 19789:a=!1;break;default:return r("TIFF header contains invalid endian")}if(42!==e.getUint16(s+2,a))return r("TIFF header contains invalid version");const c=e.getUint32(s+4,a),h=s+c+2+12*e.getUint16(s+c,a);for(let t=s+c+2;t<h;t+=12)if(274==e.getUint16(t,a)){if(3!==e.getUint16(t+2,a))return r("Orientation data type is invalid");if(1!==e.getUint32(t+4,a))return r("Orientation data count is invalid");e.setUint16(t+8,1,a);break}return n(t.slice(i,i+2+o))}i+=2+o}return n(new Blob)})),e.readAsArrayBuffer(t)}));var a={},c={get exports(){return a},set exports(t){a=t}};!function(){var t,n,r={};c.exports=r,r.parse=function(t,n){for(var e=r.bin.readUshort,i=r.bin.readUint,s=0,o={},a=new Uint8Array(t),c=a.length-4;101010256!=i(a,c);)c--;s=c,s+=4;var h=e(a,s+=4);e(a,s+=2);var f=i(a,s+=2),u=i(a,s+=4);s+=4,s=u;for(var l=0;l<h;l++){i(a,s),s+=4,s+=4,s+=4,i(a,s+=4),f=i(a,s+=4);var w=i(a,s+=4),d=e(a,s+=4),m=e(a,s+2),y=e(a,s+4);s+=6;var v=i(a,s+=8);s+=4,s+=d+m+y,r.o(a,v,o,f,w,n)}return o},r.o=function(t,n,e,i,s,o){var a=r.bin.readUshort,c=r.bin.readUint;c(t,n),a(t,n+=4),a(t,n+=2);var h=a(t,n+=2);c(t,n+=2),c(t,n+=4),n+=4;var f=a(t,n+=8),u=a(t,n+=2);n+=2;var l=r.bin.readUTF8(t,n,f);if(n+=f,n+=u,o)e[l]={size:s,csize:i};else{var w=new Uint8Array(t.buffer,n);if(0==h)e[l]=new Uint8Array(w.buffer.slice(n,n+i));else{if(8!=h)throw"unknown compression method: "+h;var d=new Uint8Array(s);r.inflateRaw(w,d),e[l]=d}}},r.inflateRaw=function(t,n){return r.F.inflate(t,n)},r.inflate=function(t,n){return r.inflateRaw(new Uint8Array(t.buffer,t.byteOffset+2,t.length-6),n)},r.deflate=function(t,n){null==n&&(n={level:6});var e=0,i=new Uint8Array(50+Math.floor(1.1*t.length));i[e]=120,i[e+1]=156,e+=2,e=r.F.deflateRaw(t,i,e,n.level);var s=r.adler(t,0,t.length);return i[e+0]=s>>>24&255,i[e+1]=s>>>16&255,i[e+2]=s>>>8&255,i[e+3]=s>>>0&255,new Uint8Array(i.buffer,0,e+4)},r.deflateRaw=function(t,n){null==n&&(n={level:6});var e=new Uint8Array(50+Math.floor(1.1*t.length)),i=r.F.deflateRaw(t,e,i,n.level);return new Uint8Array(e.buffer,0,i)},r.encode=function(t,n){null==n&&(n=!1);var e=0,i=r.bin.writeUint,s=r.bin.writeUshort,o={};for(var a in t){var c=!r.B(a)&&!n,h=t[a],f=r.crc.crc(h,0,h.length);o[a]={cpr:c,usize:h.length,crc:f,file:c?r.deflateRaw(h):h}}for(var a in o)e+=o[a].file.length+30+46+2*r.bin.sizeUTF8(a);e+=22;var u=new Uint8Array(e),l=0,w=[];for(var a in o){var d=o[a];w.push(l),l=r.P(u,l,a,d,0)}var m=0,y=l;for(var a in o)d=o[a],w.push(l),l=r.P(u,l,a,d,1,w[m++]);var v=l-y;return i(u,l,101010256),l+=4,s(u,l+=4,m),s(u,l+=2,m),i(u,l+=2,v),i(u,l+=4,y),l+=4,l+=2,u.buffer},r.B=function(t){var n=t.split(".").pop().toLowerCase();return-1!="png,jpg,jpeg,zip".indexOf(n)},r.P=function(t,n,e,i,s,o){var a=r.bin.writeUint,c=r.bin.writeUshort,h=i.file;return a(t,n,0==s?67324752:33639248),n+=4,1==s&&(n+=2),c(t,n,20),c(t,n+=2,0),c(t,n+=2,i.cpr?8:0),a(t,n+=2,0),a(t,n+=4,i.crc),a(t,n+=4,h.length),a(t,n+=4,i.usize),c(t,n+=4,r.bin.sizeUTF8(e)),c(t,n+=2,0),n+=2,1==s&&(n+=2,n+=2,a(t,n+=6,o),n+=4),n+=r.bin.writeUTF8(t,n,e),0==s&&(t.set(h,n),n+=h.length),n},r.crc={table:function(){for(var t=new Uint32Array(256),n=0;n<256;n++){for(var r=n,e=0;e<8;e++)1&r?r=3988292384^r>>>1:r>>>=1;t[n]=r}return t}(),update:function(t,n,e,i){for(var s=0;s<i;s++)t=r.crc.table[255&(t^n[e+s])]^t>>>8;return t},crc:function(t,n,e){return 4294967295^r.crc.update(4294967295,t,n,e)}},r.adler=function(t,n,r){for(var e=1,i=0,s=n,o=n+r;s<o;){for(var a=Math.min(s+5552,o);s<a;)i+=e+=t[s++];e%=65521,i%=65521}return i<<16|e},r.bin={readUshort:function(t,n){return t[n]|t[n+1]<<8},writeUshort:function(t,n,r){t[n]=255&r,t[n+1]=r>>8&255},readUint:function(t,n){return 16777216*t[n+3]+(t[n+2]<<16|t[n+1]<<8|t[n])},writeUint:function(t,n,r){t[n]=255&r,t[n+1]=r>>8&255,t[n+2]=r>>16&255,t[n+3]=r>>24&255},readASCII:function(t,n,r){for(var e="",i=0;i<r;i++)e+=String.fromCharCode(t[n+i]);return e},writeASCII:function(t,n,r){for(var e=0;e<r.length;e++)t[n+e]=r.charCodeAt(e)},pad:function(t){return t.length<2?"0"+t:t},readUTF8:function(t,n,e){for(var i,s="",o=0;o<e;o++)s+="%"+r.bin.pad(t[n+o].toString(16));try{i=decodeURIComponent(s)}catch(i){return r.bin.readASCII(t,n,e)}return i},writeUTF8:function(t,n,r){for(var e=r.length,i=0,s=0;s<e;s++){var o=r.charCodeAt(s);if(4294967168&o)if(4294965248&o)if(4294901760&o){if(4292870144&o)throw"e";t[n+i]=240|o>>18,t[n+i+1]=128|o>>12&63,t[n+i+2]=128|o>>6&63,t[n+i+3]=128|63&o,i+=4}else t[n+i]=224|o>>12,t[n+i+1]=128|o>>6&63,t[n+i+2]=128|63&o,i+=3;else t[n+i]=192|o>>6,t[n+i+1]=128|63&o,i+=2;else t[n+i]=o,i++}return i},sizeUTF8:function(t){for(var n=t.length,r=0,e=0;e<n;e++){var i=t.charCodeAt(e);if(4294967168&i)if(4294965248&i)if(4294901760&i){if(4292870144&i)throw"e";r+=4}else r+=3;else r+=2;else r++}return r}},r.F={},r.F.deflateRaw=function(t,n,e,i){var s=[[0,0,0,0,0],[4,4,8,4,0],[4,5,16,8,0],[4,6,16,16,0],[4,10,16,32,0],[8,16,32,32,0],[8,16,128,128,0],[8,32,128,256,0],[32,128,258,1024,1],[32,258,258,4096,1]][i],o=r.F.U,a=r.F.O,c=r.F._,h=0,f=e<<3,u=0,l=t.length;if(0==i){for(;h<l;)c(n,f,h+(b=Math.min(65535,l-h))==l?1:0),f=r.F.G(t,h,b,n,f+8),h+=b;return f>>>3}var w=o.lits,d=o.strt,m=o.prev,y=0,v=0,A=0,p=0,g=0,E=0;for(l>2&&(d[E=r.F.tt(t,0)]=0),h=0;h<l;h++){if(g=E,h+1<l-2){E=r.F.tt(t,h+1);var I=h+1&32767;m[I]=d[E],d[E]=I}if(u<=h){(y>14e3||v>26697)&&l-h>100&&(u<h&&(w[y]=h-u,y+=2,u=h),f=r.F.nt(h==l-1||u==l?1:0,w,y,p,t,A,h-A,n,f),y=v=p=0,A=h);var M=0;h<l-2&&(M=r.F.rt(t,h,m,g,Math.min(s[2],l-h),s[3]));var b=M>>>16,C=65535&M;if(0!=M){C=65535&M;var U=a(b=M>>>16,o.of0);o.lhst[257+U]++;var B=a(C,o.df0);o.dhst[B]++,p+=o.exb[U]+o.dxb[B],w[y]=b<<23|h-u,w[y+1]=C<<16|U<<8|B,y+=2,u=h+b}else o.lhst[t[h]]++;v++}}for(A==h&&0!=t.length||(u<h&&(w[y]=h-u,y+=2,u=h),f=r.F.nt(1,w,y,p,t,A,h-A,n,f),y=0,v=0,y=v=p=0,A=h);7&f;)f++;return f>>>3},r.F.rt=function(t,n,e,i,s,o){var a=32767&n,c=e[a],h=a-c+32768&32767;if(c==a||i!=r.F.tt(t,n-h))return 0;for(var f=0,u=0,l=Math.min(32767,n);h<=l&&0!=--o&&c!=a;){if(0==f||t[n+f]==t[n+f-h]){var w=r.F.et(t,n,h);if(w>f){if(u=h,(f=w)>=s)break;h+2<w&&(w=h+2);for(var d=0,m=0;m<w-2;m++){var y=n-h+m+32768&32767,v=y-e[y]+32768&32767;v>d&&(d=v,c=y)}}}h+=(a=c)-(c=e[a])+32768&32767}return f<<16|u},r.F.et=function(t,n,r){if(t[n]!=t[n-r]||t[n+1]!=t[n+1-r]||t[n+2]!=t[n+2-r])return 0;var e=n,i=Math.min(t.length,n+258);for(n+=3;n<i&&t[n]==t[n-r];)n++;return n-e},r.F.tt=function(t,n){return(t[n]<<8|t[n+1])+(t[n+2]<<4)&65535},r.saved=0,r.F.nt=function(t,n,e,i,s,o,a,c,h){var f,u,l,w,d,m,y,v,A,p=r.F.U,g=r.F.it,E=r.F._;p.lhst[256]++,u=(f=r.F.getTrees())[0],l=f[1],w=f[2],d=f[3],m=f[4],y=f[5],v=f[6],A=f[7];var I=32+(h+3&7?8-(h+3&7):0)+(a<<3),M=i+r.F.contSize(p.fltree,p.lhst)+r.F.contSize(p.fdtree,p.dhst),b=i+r.F.contSize(p.ltree,p.lhst)+r.F.contSize(p.dtree,p.dhst);b+=14+3*y+r.F.contSize(p.itree,p.ihst)+(2*p.ihst[16]+3*p.ihst[17]+7*p.ihst[18]);for(var C=0;C<286;C++)p.lhst[C]=0;for(C=0;C<30;C++)p.dhst[C]=0;for(C=0;C<19;C++)p.ihst[C]=0;var U=I<M&&I<b?0:M<b?1:2;if(g(c,h,t),g(c,h+1,U),h+=3,0==U){for(;7&h;)h++;h=r.F.G(s,o,a,c,h)}else{var B,S;if(1==U&&(B=p.fltree,S=p.fdtree),2==U){r.F.makeCodes(p.ltree,u),r.F.revCodes(p.ltree,u),r.F.makeCodes(p.dtree,l),r.F.revCodes(p.dtree,l),r.F.makeCodes(p.itree,w),r.F.revCodes(p.itree,w),B=p.ltree,S=p.dtree,E(c,h,d-257),E(c,h+=5,m-1),E(c,h+=5,y-4),h+=4;for(var D=0;D<y;D++)E(c,h+3*D,p.itree[1+(p.ordr[D]<<1)]);h+=3*y,h=r.F.st(v,p.itree,c,h),h=r.F.st(A,p.itree,c,h)}for(var R=o,P=0;P<e;P+=2){for(var Q=n[P],T=Q>>>23,x=R+(8388607&Q);R<x;)h=r.F.ot(s[R++],B,c,h);if(0!=T){var O=n[P+1],k=O>>16,F=O>>8&255,L=255&O;E(c,h=r.F.ot(257+F,B,c,h),T-p.of0[F]),h+=p.exb[F],g(c,h=r.F.ot(L,S,c,h),k-p.df0[L]),h+=p.dxb[L],R+=T}}h=r.F.ot(256,B,c,h)}return h},r.F.G=function(t,n,r,e,i){var s=i>>>3;return e[s]=r,e[s+1]=r>>>8,e[s+2]=255-e[s],e[s+3]=255-e[s+1],s+=4,e.set(new Uint8Array(t.buffer,n,r),s),i+(r+4<<3)},r.F.getTrees=function(){for(var t=r.F.U,n=r.F.ct(t.lhst,t.ltree,15),e=r.F.ct(t.dhst,t.dtree,15),i=[],s=r.F.ht(t.ltree,i),o=[],a=r.F.ht(t.dtree,o),c=0;c<i.length;c+=2)t.ihst[i[c]]++;for(c=0;c<o.length;c+=2)t.ihst[o[c]]++;for(var h=r.F.ct(t.ihst,t.itree,7),f=19;f>4&&0==t.itree[1+(t.ordr[f-1]<<1)];)f--;return[n,e,h,s,a,f,i,o]},r.F.getSecond=function(t){for(var n=[],r=0;r<t.length;r+=2)n.push(t[r+1]);return n},r.F.nonZero=function(t){for(var n="",r=0;r<t.length;r+=2)0!=t[r+1]&&(n+=(r>>1)+",");return n},r.F.contSize=function(t,n){for(var r=0,e=0;e<n.length;e++)r+=n[e]*t[1+(e<<1)];return r},r.F.st=function(t,n,e,i){for(var s=0;s<t.length;s+=2){var o=t[s],a=t[s+1];i=r.F.ot(o,n,e,i);var c=16==o?2:17==o?3:7;o>15&&(r.F._(e,i,a,c),i+=c)}return i},r.F.ht=function(t,n){for(var r=t.length;2!=r&&0==t[r-1];)r-=2;for(var e=0;e<r;e+=2){var i=t[e+1],s=e+3<r?t[e+3]:-1,o=e+5<r?t[e+5]:-1,a=0==e?-1:t[e-1];if(0==i&&s==i&&o==i){for(var c=e+5;c+2<r&&t[c+2]==i;)c+=2;(h=Math.min(c+1-e>>>1,138))<11?n.push(17,h-3):n.push(18,h-11),e+=2*h-2}else if(i==a&&s==i&&o==i){for(c=e+5;c+2<r&&t[c+2]==i;)c+=2;var h=Math.min(c+1-e>>>1,6);n.push(16,h-3),e+=2*h-2}else n.push(i,0)}return r>>>1},r.F.ct=function(t,n,e){var i=[],s=t.length,o=n.length,a=0;for(a=0;a<o;a+=2)n[a]=0,n[a+1]=0;for(a=0;a<s;a++)0!=t[a]&&i.push({lit:a,f:t[a]});var c=i.length,h=i.slice(0);if(0==c)return 0;if(1==c){var f=i[0].lit;return h=0==f?1:0,n[1+(f<<1)]=1,n[1+(h<<1)]=1,1}i.sort((function(t,n){return t.f-n.f}));var u=i[0],l=i[1],w=0,d=1,m=2;for(i[0]={lit:-1,f:u.f+l.f,l:u,r:l,d:0};d!=c-1;)u=w!=d&&(m==c||i[w].f<i[m].f)?i[w++]:i[m++],l=w!=d&&(m==c||i[w].f<i[m].f)?i[w++]:i[m++],i[d++]={lit:-1,f:u.f+l.f,l:u,r:l};var y=r.F.setDepth(i[d-1],0);for(y>e&&(r.F.restrictDepth(h,e,y),y=e),a=0;a<c;a++)n[1+(h[a].lit<<1)]=h[a].d;return y},r.F.setDepth=function(t,n){return-1!=t.lit?(t.d=n,n):Math.max(r.F.setDepth(t.l,n+1),r.F.setDepth(t.r,n+1))},r.F.restrictDepth=function(t,n,r){var e=0,i=1<<r-n,s=0;for(t.sort((function(t,n){return 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