2 lines
28 KiB
JavaScript
2 lines
28 KiB
JavaScript
function e(e,t,s){return t in e?Object.defineProperty(e,t,{value:s,enumerable:!0,configurable:!0,writable:!0}):e[t]=s,e}var t="undefined"!=typeof self?self:global;const s="undefined"!=typeof navigator,i=s&&"undefined"==typeof HTMLImageElement,n=!("undefined"==typeof global||"undefined"==typeof process||!process.versions||!process.versions.node),r=t.Buffer,a=!!r,h=e=>void 0!==e;function f(e){return void 0===e||(e instanceof Map?0===e.size:0===Object.values(e).filter(h).length)}function l(e){let t=new Error(e);throw delete t.stack,t}function o(e){let t=function(e){let t=0;return e.ifd0.enabled&&(t+=1024),e.exif.enabled&&(t+=2048),e.makerNote&&(t+=2048),e.userComment&&(t+=1024),e.gps.enabled&&(t+=512),e.interop.enabled&&(t+=100),e.ifd1.enabled&&(t+=1024),t+2048}(e);return e.jfif.enabled&&(t+=50),e.xmp.enabled&&(t+=2e4),e.iptc.enabled&&(t+=14e3),e.icc.enabled&&(t+=6e3),t}const u=e=>String.fromCharCode.apply(null,e),d="undefined"!=typeof TextDecoder?new TextDecoder("utf-8"):void 0;class c{static from(e,t){return e instanceof this&&e.le===t?e:new c(e,void 0,void 0,t)}constructor(e,t=0,s,i){if("boolean"==typeof i&&(this.le=i),Array.isArray(e)&&(e=new Uint8Array(e)),0===e)this.byteOffset=0,this.byteLength=0;else if(e instanceof ArrayBuffer){void 0===s&&(s=e.byteLength-t);let i=new DataView(e,t,s);this._swapDataView(i)}else if(e instanceof Uint8Array||e instanceof DataView||e instanceof c){void 0===s&&(s=e.byteLength-t),(t+=e.byteOffset)+s>e.byteOffset+e.byteLength&&l("Creating view outside of available memory in ArrayBuffer");let i=new DataView(e.buffer,t,s);this._swapDataView(i)}else if("number"==typeof e){let t=new DataView(new ArrayBuffer(e));this._swapDataView(t)}else l("Invalid input argument for BufferView: "+e)}_swapArrayBuffer(e){this._swapDataView(new DataView(e))}_swapBuffer(e){this._swapDataView(new DataView(e.buffer,e.byteOffset,e.byteLength))}_swapDataView(e){this.dataView=e,this.buffer=e.buffer,this.byteOffset=e.byteOffset,this.byteLength=e.byteLength}_lengthToEnd(e){return this.byteLength-e}set(e,t,s=c){return e instanceof DataView||e instanceof c?e=new Uint8Array(e.buffer,e.byteOffset,e.byteLength):e instanceof ArrayBuffer&&(e=new Uint8Array(e)),e instanceof Uint8Array||l("BufferView.set(): Invalid data argument."),this.toUint8().set(e,t),new s(this,t,e.byteLength)}subarray(e,t){return t=t||this._lengthToEnd(e),new c(this,e,t)}toUint8(){return new Uint8Array(this.buffer,this.byteOffset,this.byteLength)}getUint8Array(e,t){return new Uint8Array(this.buffer,this.byteOffset+e,t)}getString(e=0,t=this.byteLength){let s=this.getUint8Array(e,t);return i=s,d?d.decode(i):a?Buffer.from(i).toString("utf8"):decodeURIComponent(escape(u(i)));var i}getLatin1String(e=0,t=this.byteLength){let s=this.getUint8Array(e,t);return u(s)}getUnicodeString(e=0,t=this.byteLength){const s=[];for(let i=0;i<t&&e+i<this.byteLength;i+=2)s.push(this.getUint16(e+i));return u(s)}getInt8(e){return this.dataView.getInt8(e)}getUint8(e){return this.dataView.getUint8(e)}getInt16(e,t=this.le){return this.dataView.getInt16(e,t)}getInt32(e,t=this.le){return this.dataView.getInt32(e,t)}getUint16(e,t=this.le){return this.dataView.getUint16(e,t)}getUint32(e,t=this.le){return this.dataView.getUint32(e,t)}getFloat32(e,t=this.le){return this.dataView.getFloat32(e,t)}getFloat64(e,t=this.le){return this.dataView.getFloat64(e,t)}getFloat(e,t=this.le){return this.dataView.getFloat32(e,t)}getDouble(e,t=this.le){return this.dataView.getFloat64(e,t)}getUintBytes(e,t,s){switch(t){case 1:return this.getUint8(e,s);case 2:return this.getUint16(e,s);case 4:return this.getUint32(e,s);case 8:return this.getUint64&&this.getUint64(e,s)}}getUint(e,t,s){switch(t){case 8:return this.getUint8(e,s);case 16:return this.getUint16(e,s);case 32:return this.getUint32(e,s);case 64:return this.getUint64&&this.getUint64(e,s)}}toString(e){return this.dataView.toString(e,this.constructor.name)}ensureChunk(){}}function p(e,t){l(`${e} '${t}' was not loaded, try using full build of exifr.`)}class g extends Map{constructor(e){super(),this.kind=e}get(e,t){return this.has(e)||p(this.kind,e),t&&(e in t||function(e,t){l(`Unknown ${e} '${t}'.`)}(this.kind,e),t[e].enabled||p(this.kind,e)),super.get(e)}keyList(){return Array.from(this.keys())}}var m=new g("file parser"),y=new g("segment parser"),b=new g("file reader");let w=t.fetch;function k(e,t){return(i=e).startsWith("data:")||i.length>1e4?v(e,t,"base64"):n&&e.includes("://")?O(e,t,"url",S):n?v(e,t,"fs"):s?O(e,t,"url",S):void l("Invalid input argument");var i}async function O(e,t,s,i){return b.has(s)?v(e,t,s):i?async function(e,t){let s=await t(e);return new c(s)}(e,i):void l(`Parser ${s} is not loaded`)}async function v(e,t,s){let i=new(b.get(s))(e,t);return await i.read(),i}const S=e=>w(e).then((e=>e.arrayBuffer())),A=e=>new Promise(((t,s)=>{let i=new FileReader;i.onloadend=()=>t(i.result||new ArrayBuffer),i.onerror=s,i.readAsArrayBuffer(e)}));class U extends Map{get tagKeys(){return this.allKeys||(this.allKeys=Array.from(this.keys())),this.allKeys}get tagValues(){return this.allValues||(this.allValues=Array.from(this.values())),this.allValues}}function x(e,t,s){let i=new U;for(let[e,t]of s)i.set(e,t);if(Array.isArray(t))for(let s of t)e.set(s,i);else e.set(t,i);return i}function C(e,t,s){let i,n=e.get(t);for(i of s)n.set(i[0],i[1])}const B=new Map,V=new Map,I=new Map,L=["chunked","firstChunkSize","firstChunkSizeNode","firstChunkSizeBrowser","chunkSize","chunkLimit"],T=["jfif","xmp","icc","iptc","ihdr"],z=["tiff",...T],P=["ifd0","ifd1","exif","gps","interop"],F=[...z,...P],j=["makerNote","userComment"],E=["translateKeys","translateValues","reviveValues","multiSegment"],M=[...E,"sanitize","mergeOutput","silentErrors"];class _{get translate(){return this.translateKeys||this.translateValues||this.reviveValues}}class D extends _{get needed(){return this.enabled||this.deps.size>0}constructor(t,s,i,n){if(super(),e(this,"enabled",!1),e(this,"skip",new Set),e(this,"pick",new Set),e(this,"deps",new Set),e(this,"translateKeys",!1),e(this,"translateValues",!1),e(this,"reviveValues",!1),this.key=t,this.enabled=s,this.parse=this.enabled,this.applyInheritables(n),this.canBeFiltered=P.includes(t),this.canBeFiltered&&(this.dict=B.get(t)),void 0!==i)if(Array.isArray(i))this.parse=this.enabled=!0,this.canBeFiltered&&i.length>0&&this.translateTagSet(i,this.pick);else if("object"==typeof i){if(this.enabled=!0,this.parse=!1!==i.parse,this.canBeFiltered){let{pick:e,skip:t}=i;e&&e.length>0&&this.translateTagSet(e,this.pick),t&&t.length>0&&this.translateTagSet(t,this.skip)}this.applyInheritables(i)}else!0===i||!1===i?this.parse=this.enabled=i:l(`Invalid options argument: ${i}`)}applyInheritables(e){let t,s;for(t of E)s=e[t],void 0!==s&&(this[t]=s)}translateTagSet(e,t){if(this.dict){let s,i,{tagKeys:n,tagValues:r}=this.dict;for(s of e)"string"==typeof s?(i=r.indexOf(s),-1===i&&(i=n.indexOf(Number(s))),-1!==i&&t.add(Number(n[i]))):t.add(s)}else for(let s of e)t.add(s)}finalizeFilters(){!this.enabled&&this.deps.size>0?(this.enabled=!0,X(this.pick,this.deps)):this.enabled&&this.pick.size>0&&X(this.pick,this.deps)}}var N={jfif:!1,tiff:!0,xmp:!1,icc:!1,iptc:!1,ifd0:!0,ifd1:!1,exif:!0,gps:!0,interop:!1,ihdr:void 0,makerNote:!1,userComment:!1,multiSegment:!1,skip:[],pick:[],translateKeys:!0,translateValues:!0,reviveValues:!0,sanitize:!0,mergeOutput:!0,silentErrors:!0,chunked:!0,firstChunkSize:void 0,firstChunkSizeNode:512,firstChunkSizeBrowser:65536,chunkSize:65536,chunkLimit:5},$=new Map;class R extends _{static useCached(e){let t=$.get(e);return void 0!==t||(t=new this(e),$.set(e,t)),t}constructor(e){super(),!0===e?this.setupFromTrue():void 0===e?this.setupFromUndefined():Array.isArray(e)?this.setupFromArray(e):"object"==typeof e?this.setupFromObject(e):l(`Invalid options argument ${e}`),void 0===this.firstChunkSize&&(this.firstChunkSize=s?this.firstChunkSizeBrowser:this.firstChunkSizeNode),this.mergeOutput&&(this.ifd1.enabled=!1),this.filterNestedSegmentTags(),this.traverseTiffDependencyTree(),this.checkLoadedPlugins()}setupFromUndefined(){let e;for(e of L)this[e]=N[e];for(e of M)this[e]=N[e];for(e of j)this[e]=N[e];for(e of F)this[e]=new D(e,N[e],void 0,this)}setupFromTrue(){let e;for(e of L)this[e]=N[e];for(e of M)this[e]=N[e];for(e of j)this[e]=!0;for(e of F)this[e]=new D(e,!0,void 0,this)}setupFromArray(e){let t;for(t of L)this[t]=N[t];for(t of M)this[t]=N[t];for(t of j)this[t]=N[t];for(t of F)this[t]=new D(t,!1,void 0,this);this.setupGlobalFilters(e,void 0,P)}setupFromObject(e){let t;for(t of(P.ifd0=P.ifd0||P.image,P.ifd1=P.ifd1||P.thumbnail,Object.assign(this,e),L))this[t]=W(e[t],N[t]);for(t of M)this[t]=W(e[t],N[t]);for(t of j)this[t]=W(e[t],N[t]);for(t of z)this[t]=new D(t,N[t],e[t],this);for(t of P)this[t]=new D(t,N[t],e[t],this.tiff);this.setupGlobalFilters(e.pick,e.skip,P,F),!0===e.tiff?this.batchEnableWithBool(P,!0):!1===e.tiff?this.batchEnableWithUserValue(P,e):Array.isArray(e.tiff)?this.setupGlobalFilters(e.tiff,void 0,P):"object"==typeof e.tiff&&this.setupGlobalFilters(e.tiff.pick,e.tiff.skip,P)}batchEnableWithBool(e,t){for(let s of e)this[s].enabled=t}batchEnableWithUserValue(e,t){for(let s of e){let e=t[s];this[s].enabled=!1!==e&&void 0!==e}}setupGlobalFilters(e,t,s,i=s){if(e&&e.length){for(let e of i)this[e].enabled=!1;let t=K(e,s);for(let[e,s]of t)X(this[e].pick,s),this[e].enabled=!0}else if(t&&t.length){let e=K(t,s);for(let[t,s]of e)X(this[t].skip,s)}}filterNestedSegmentTags(){let{ifd0:e,exif:t,xmp:s,iptc:i,icc:n}=this;this.makerNote?t.deps.add(37500):t.skip.add(37500),this.userComment?t.deps.add(37510):t.skip.add(37510),s.enabled||e.skip.add(700),i.enabled||e.skip.add(33723),n.enabled||e.skip.add(34675)}traverseTiffDependencyTree(){let{ifd0:e,exif:t,gps:s,interop:i}=this;i.needed&&(t.deps.add(40965),e.deps.add(40965)),t.needed&&e.deps.add(34665),s.needed&&e.deps.add(34853),this.tiff.enabled=P.some((e=>!0===this[e].enabled))||this.makerNote||this.userComment;for(let e of P)this[e].finalizeFilters()}get onlyTiff(){return!T.map((e=>this[e].enabled)).some((e=>!0===e))&&this.tiff.enabled}checkLoadedPlugins(){for(let e of z)this[e].enabled&&!y.has(e)&&p("segment parser",e)}}function K(e,t){let s,i,n,r,a=[];for(n of t){for(r of(s=B.get(n),i=[],s))(e.includes(r[0])||e.includes(r[1]))&&i.push(r[0]);i.length&&a.push([n,i])}return a}function W(e,t){return void 0!==e?e:void 0!==t?t:void 0}function X(e,t){for(let s of t)e.add(s)}e(R,"default",N);class H{constructor(t){e(this,"parsers",{}),e(this,"output",{}),e(this,"errors",[]),e(this,"pushToErrors",(e=>this.errors.push(e))),this.options=R.useCached(t)}async read(e){this.file=await function(e,t){return"string"==typeof e?k(e,t):s&&!i&&e instanceof HTMLImageElement?k(e.src,t):e instanceof Uint8Array||e instanceof ArrayBuffer||e instanceof DataView?new c(e):s&&e instanceof Blob?O(e,t,"blob",A):void l("Invalid input argument")}(e,this.options)}setup(){if(this.fileParser)return;let{file:e}=this,t=e.getUint16(0);for(let[s,i]of m)if(i.canHandle(e,t))return this.fileParser=new i(this.options,this.file,this.parsers),e[s]=!0;this.file.close&&this.file.close(),l("Unknown file format")}async parse(){let{output:e,errors:t}=this;return this.setup(),this.options.silentErrors?(await this.executeParsers().catch(this.pushToErrors),t.push(...this.fileParser.errors)):await this.executeParsers(),this.file.close&&this.file.close(),this.options.silentErrors&&t.length>0&&(e.errors=t),f(s=e)?void 0:s;var s}async executeParsers(){let{output:e}=this;await this.fileParser.parse();let t=Object.values(this.parsers).map((async t=>{let s=await t.parse();t.assignToOutput(e,s)}));this.options.silentErrors&&(t=t.map((e=>e.catch(this.pushToErrors)))),await Promise.all(t)}async extractThumbnail(){this.setup();let{options:e,file:t}=this,s=y.get("tiff",e);var i;if(t.tiff?i={start:0,type:"tiff"}:t.jpeg&&(i=await this.fileParser.getOrFindSegment("tiff")),void 0===i)return;let n=await this.fileParser.ensureSegmentChunk(i),r=this.parsers.tiff=new s(n,e,t),a=await r.extractThumbnail();return t.close&&t.close(),a}}async function Y(e,t){let s=new H(t);return await s.read(e),s.parse()}var G=Object.freeze({__proto__:null,parse:Y,Exifr:H,fileParsers:m,segmentParsers:y,fileReaders:b,tagKeys:B,tagValues:V,tagRevivers:I,createDictionary:x,extendDictionary:C,fetchUrlAsArrayBuffer:S,readBlobAsArrayBuffer:A,chunkedProps:L,otherSegments:T,segments:z,tiffBlocks:P,segmentsAndBlocks:F,tiffExtractables:j,inheritables:E,allFormatters:M,Options:R});class J{static findPosition(e,t){let s=e.getUint16(t+2)+2,i="function"==typeof this.headerLength?this.headerLength(e,t,s):this.headerLength,n=t+i,r=s-i;return{offset:t,length:s,headerLength:i,start:n,size:r,end:n+r}}static parse(e,t={}){return new this(e,new R({[this.type]:t}),e).parse()}normalizeInput(e){return e instanceof c?e:new c(e)}constructor(t,s={},i){e(this,"errors",[]),e(this,"raw",new Map),e(this,"handleError",(e=>{if(!this.options.silentErrors)throw e;this.errors.push(e.message)})),this.chunk=this.normalizeInput(t),this.file=i,this.type=this.constructor.type,this.globalOptions=this.options=s,this.localOptions=s[this.type],this.canTranslate=this.localOptions&&this.localOptions.translate}translate(){this.canTranslate&&(this.translated=this.translateBlock(this.raw,this.type))}get output(){return this.translated?this.translated:this.raw?Object.fromEntries(this.raw):void 0}translateBlock(e,t){let s=I.get(t),i=V.get(t),n=B.get(t),r=this.options[t],a=r.reviveValues&&!!s,h=r.translateValues&&!!i,f=r.translateKeys&&!!n,l={};for(let[t,r]of e)a&&s.has(t)?r=s.get(t)(r):h&&i.has(t)&&(r=this.translateValue(r,i.get(t))),f&&n.has(t)&&(t=n.get(t)||t),l[t]=r;return l}translateValue(e,t){return t[e]||t.DEFAULT||e}assignToOutput(e,t){this.assignObjectToOutput(e,this.constructor.type,t)}assignObjectToOutput(e,t,s){if(this.globalOptions.mergeOutput)return Object.assign(e,s);e[t]?Object.assign(e[t],s):e[t]=s}}e(J,"headerLength",4),e(J,"type",void 0),e(J,"multiSegment",!1),e(J,"canHandle",(()=>!1));function q(e){return 192===e||194===e||196===e||219===e||221===e||218===e||254===e}function Q(e){return e>=224&&e<=239}function Z(e,t,s){for(let[i,n]of y)if(n.canHandle(e,t,s))return i}class ee extends class{constructor(t,s,i){e(this,"errors",[]),e(this,"ensureSegmentChunk",(async e=>{let t=e.start,s=e.size||65536;if(this.file.chunked)if(this.file.available(t,s))e.chunk=this.file.subarray(t,s);else try{e.chunk=await this.file.readChunk(t,s)}catch(t){l(`Couldn't read segment: ${JSON.stringify(e)}. ${t.message}`)}else this.file.byteLength>t+s?e.chunk=this.file.subarray(t,s):void 0===e.size?e.chunk=this.file.subarray(t):l("Segment unreachable: "+JSON.stringify(e));return e.chunk})),this.extendOptions&&this.extendOptions(t),this.options=t,this.file=s,this.parsers=i}injectSegment(e,t){this.options[e].enabled&&this.createParser(e,t)}createParser(e,t){let s=new(y.get(e))(t,this.options,this.file);return this.parsers[e]=s}createParsers(e){for(let t of e){let{type:e,chunk:s}=t,i=this.options[e];if(i&&i.enabled){let t=this.parsers[e];t&&t.append||t||this.createParser(e,s)}}}async readSegments(e){let t=e.map(this.ensureSegmentChunk);await Promise.all(t)}}{constructor(...t){super(...t),e(this,"appSegments",[]),e(this,"jpegSegments",[]),e(this,"unknownSegments",[])}static canHandle(e,t){return 65496===t}async parse(){await this.findAppSegments(),await this.readSegments(this.appSegments),this.mergeMultiSegments(),this.createParsers(this.mergedAppSegments||this.appSegments)}setupSegmentFinderArgs(e){!0===e?(this.findAll=!0,this.wanted=new Set(y.keyList())):(e=void 0===e?y.keyList().filter((e=>this.options[e].enabled)):e.filter((e=>this.options[e].enabled&&y.has(e))),this.findAll=!1,this.remaining=new Set(e),this.wanted=new Set(e)),this.unfinishedMultiSegment=!1}async findAppSegments(e=0,t){this.setupSegmentFinderArgs(t);let{file:s,findAll:i,wanted:n,remaining:r}=this;if(!i&&this.file.chunked&&(i=Array.from(n).some((e=>{let t=y.get(e),s=this.options[e];return t.multiSegment&&s.multiSegment})),i&&await this.file.readWhole()),e=this.findAppSegmentsInRange(e,s.byteLength),!this.options.onlyTiff&&s.chunked){let t=!1;for(;r.size>0&&!t&&(s.canReadNextChunk||this.unfinishedMultiSegment);){let{nextChunkOffset:i}=s,n=this.appSegments.some((e=>!this.file.available(e.offset||e.start,e.length||e.size)));if(t=e>i&&!n?!await s.readNextChunk(e):!await s.readNextChunk(i),void 0===(e=this.findAppSegmentsInRange(e,s.byteLength)))return}}}findAppSegmentsInRange(e,t){t-=2;let s,i,n,r,a,h,{file:f,findAll:l,wanted:o,remaining:u,options:d}=this;for(;e<t;e++)if(255===f.getUint8(e))if(s=f.getUint8(e+1),Q(s)){if(i=f.getUint16(e+2),n=Z(f,e,i),n&&o.has(n)&&(r=y.get(n),a=r.findPosition(f,e),h=d[n],a.type=n,this.appSegments.push(a),!l&&(r.multiSegment&&h.multiSegment?(this.unfinishedMultiSegment=a.chunkNumber<a.chunkCount,this.unfinishedMultiSegment||u.delete(n)):u.delete(n),0===u.size)))break;d.recordUnknownSegments&&(a=J.findPosition(f,e),a.marker=s,this.unknownSegments.push(a)),e+=i+1}else if(q(s)){if(i=f.getUint16(e+2),218===s&&!1!==d.stopAfterSos)return;d.recordJpegSegments&&this.jpegSegments.push({offset:e,length:i,marker:s}),e+=i+1}return e}mergeMultiSegments(){if(!this.appSegments.some((e=>e.multiSegment)))return;let e=function(e,t){let s,i,n,r=new Map;for(let a=0;a<e.length;a++)s=e[a],i=s[t],r.has(i)?n=r.get(i):r.set(i,n=[]),n.push(s);return Array.from(r)}(this.appSegments,"type");this.mergedAppSegments=e.map((([e,t])=>{let s=y.get(e,this.options);if(s.handleMultiSegments){return{type:e,chunk:s.handleMultiSegments(t)}}return t[0]}))}getSegment(e){return this.appSegments.find((t=>t.type===e))}async getOrFindSegment(e){let t=this.getSegment(e);return void 0===t&&(await this.findAppSegments(0,[e]),t=this.getSegment(e)),t}}e(ee,"type","jpeg"),m.set("jpeg",ee);const te=[void 0,1,1,2,4,8,1,1,2,4,8,4,8,4];class se extends J{parseHeader(){var e=this.chunk.getUint16();18761===e?this.le=!0:19789===e&&(this.le=!1),this.chunk.le=this.le,this.headerParsed=!0}parseTags(e,t,s=new Map){let{pick:i,skip:n}=this.options[t];i=new Set(i);let r=i.size>0,a=0===n.size,h=this.chunk.getUint16(e);e+=2;for(let f=0;f<h;f++){let h=this.chunk.getUint16(e);if(r){if(i.has(h)&&(s.set(h,this.parseTag(e,h,t)),i.delete(h),0===i.size))break}else!a&&n.has(h)||s.set(h,this.parseTag(e,h,t));e+=12}return s}parseTag(e,t,s){let{chunk:i}=this,n=i.getUint16(e+2),r=i.getUint32(e+4),a=te[n];if(a*r<=4?e+=8:e=i.getUint32(e+8),(n<1||n>13)&&l(`Invalid TIFF value type. block: ${s.toUpperCase()}, tag: ${t.toString(16)}, type: ${n}, offset ${e}`),e>i.byteLength&&l(`Invalid TIFF value offset. block: ${s.toUpperCase()}, tag: ${t.toString(16)}, type: ${n}, offset ${e} is outside of chunk size ${i.byteLength}`),1===n)return i.getUint8Array(e,r);if(2===n)return""===(h=function(e){for(;e.endsWith("\0");)e=e.slice(0,-1);return e}(h=i.getString(e,r)).trim())?void 0:h;var h;if(7===n)return i.getUint8Array(e,r);if(1===r)return this.parseTagValue(n,e);{let t=new(function(e){switch(e){case 1:return Uint8Array;case 3:return Uint16Array;case 4:return Uint32Array;case 5:return Array;case 6:return Int8Array;case 8:return Int16Array;case 9:return Int32Array;case 10:return Array;case 11:return Float32Array;case 12:return Float64Array;default:return Array}}(n))(r),s=a;for(let i=0;i<r;i++)t[i]=this.parseTagValue(n,e),e+=s;return t}}parseTagValue(e,t){let{chunk:s}=this;switch(e){case 1:return s.getUint8(t);case 3:return s.getUint16(t);case 4:return s.getUint32(t);case 5:return s.getUint32(t)/s.getUint32(t+4);case 6:return s.getInt8(t);case 8:return s.getInt16(t);case 9:return s.getInt32(t);case 10:return s.getInt32(t)/s.getInt32(t+4);case 11:return s.getFloat(t);case 12:return s.getDouble(t);case 13:return s.getUint32(t);default:l(`Invalid tiff type ${e}`)}}}class ie extends se{static canHandle(e,t){return 225===e.getUint8(t+1)&&1165519206===e.getUint32(t+4)&&0===e.getUint16(t+8)}async parse(){this.parseHeader();let{options:e}=this;return e.ifd0.enabled&&await this.parseIfd0Block(),e.exif.enabled&&await this.safeParse("parseExifBlock"),e.gps.enabled&&await this.safeParse("parseGpsBlock"),e.interop.enabled&&await this.safeParse("parseInteropBlock"),e.ifd1.enabled&&await this.safeParse("parseThumbnailBlock"),this.createOutput()}safeParse(e){let t=this[e]();return void 0!==t.catch&&(t=t.catch(this.handleError)),t}findIfd0Offset(){void 0===this.ifd0Offset&&(this.ifd0Offset=this.chunk.getUint32(4))}findIfd1Offset(){if(void 0===this.ifd1Offset){this.findIfd0Offset();let e=this.chunk.getUint16(this.ifd0Offset),t=this.ifd0Offset+2+12*e;this.ifd1Offset=this.chunk.getUint32(t)}}parseBlock(e,t){let s=new Map;return this[t]=s,this.parseTags(e,t,s),s}async parseIfd0Block(){if(this.ifd0)return;let{file:e}=this;this.findIfd0Offset(),this.ifd0Offset<8&&l("Malformed EXIF data"),!e.chunked&&this.ifd0Offset>e.byteLength&&l(`IFD0 offset points to outside of file.\nthis.ifd0Offset: ${this.ifd0Offset}, file.byteLength: ${e.byteLength}`),e.tiff&&await e.ensureChunk(this.ifd0Offset,o(this.options));let t=this.parseBlock(this.ifd0Offset,"ifd0");return 0!==t.size?(this.exifOffset=t.get(34665),this.interopOffset=t.get(40965),this.gpsOffset=t.get(34853),this.xmp=t.get(700),this.iptc=t.get(33723),this.icc=t.get(34675),this.options.sanitize&&(t.delete(34665),t.delete(40965),t.delete(34853),t.delete(700),t.delete(33723),t.delete(34675)),t):void 0}async parseExifBlock(){if(this.exif)return;if(this.ifd0||await this.parseIfd0Block(),void 0===this.exifOffset)return;this.file.tiff&&await this.file.ensureChunk(this.exifOffset,o(this.options));let e=this.parseBlock(this.exifOffset,"exif");return this.interopOffset||(this.interopOffset=e.get(40965)),this.makerNote=e.get(37500),this.userComment=e.get(37510),this.options.sanitize&&(e.delete(40965),e.delete(37500),e.delete(37510)),this.unpack(e,41728),this.unpack(e,41729),e}unpack(e,t){let s=e.get(t);s&&1===s.length&&e.set(t,s[0])}async parseGpsBlock(){if(this.gps)return;if(this.ifd0||await this.parseIfd0Block(),void 0===this.gpsOffset)return;let e=this.parseBlock(this.gpsOffset,"gps");return e&&e.has(2)&&e.has(4)&&(e.set("latitude",ne(...e.get(2),e.get(1))),e.set("longitude",ne(...e.get(4),e.get(3)))),e}async parseInteropBlock(){if(!this.interop&&(this.ifd0||await this.parseIfd0Block(),void 0!==this.interopOffset||this.exif||await this.parseExifBlock(),void 0!==this.interopOffset))return this.parseBlock(this.interopOffset,"interop")}async parseThumbnailBlock(e=!1){if(!this.ifd1&&!this.ifd1Parsed&&(!this.options.mergeOutput||e))return this.findIfd1Offset(),this.ifd1Offset>0&&(this.parseBlock(this.ifd1Offset,"ifd1"),this.ifd1Parsed=!0),this.ifd1}async extractThumbnail(){if(this.headerParsed||this.parseHeader(),this.ifd1Parsed||await this.parseThumbnailBlock(!0),void 0===this.ifd1)return;let e=this.ifd1.get(513),t=this.ifd1.get(514);return this.chunk.getUint8Array(e,t)}get image(){return this.ifd0}get thumbnail(){return this.ifd1}createOutput(){let e,t,s,i={};for(t of P)if(e=this[t],!f(e))if(s=this.canTranslate?this.translateBlock(e,t):Object.fromEntries(e),this.options.mergeOutput){if("ifd1"===t)continue;Object.assign(i,s)}else i[t]=s;return this.makerNote&&(i.makerNote=this.makerNote),this.userComment&&(i.userComment=this.userComment),i}assignToOutput(e,t){if(this.globalOptions.mergeOutput)Object.assign(e,t);else for(let[s,i]of Object.entries(t))this.assignObjectToOutput(e,s,i)}}function ne(e,t,s,i){var n=e+t/60+s/3600;return"S"!==i&&"W"!==i||(n*=-1),n}e(ie,"type","tiff"),e(ie,"headerLength",10),y.set("tiff",ie);var re=Object.freeze({__proto__:null,default:G,Exifr:H,fileParsers:m,segmentParsers:y,fileReaders:b,tagKeys:B,tagValues:V,tagRevivers:I,createDictionary:x,extendDictionary:C,fetchUrlAsArrayBuffer:S,readBlobAsArrayBuffer:A,chunkedProps:L,otherSegments:T,segments:z,tiffBlocks:P,segmentsAndBlocks:F,tiffExtractables:j,inheritables:E,allFormatters:M,Options:R,parse:Y});const ae={ifd0:!1,ifd1:!1,exif:!1,gps:!1,interop:!1,sanitize:!1,reviveValues:!0,translateKeys:!1,translateValues:!1,mergeOutput:!1},he=Object.assign({},ae,{firstChunkSize:4e4,gps:[1,2,3,4]});async function fe(e){let t=new H(he);await t.read(e);let s=await t.parse();if(s&&s.gps){let{latitude:e,longitude:t}=s.gps;return{latitude:e,longitude:t}}}const le=Object.assign({},ae,{tiff:!1,ifd1:!0,mergeOutput:!1});async function oe(e){let t=new H(le);await t.read(e);let s=await t.extractThumbnail();return s&&a?r.from(s):s}async function ue(e){let t=await this.thumbnail(e);if(void 0!==t){let e=new Blob([t]);return URL.createObjectURL(e)}}const de=Object.assign({},ae,{firstChunkSize:4e4,ifd0:[274]});async function ce(e){let t=new H(de);await t.read(e);let s=await t.parse();if(s&&s.ifd0)return s.ifd0[274]}const pe=Object.freeze({1:{dimensionSwapped:!1,scaleX:1,scaleY:1,deg:0,rad:0},2:{dimensionSwapped:!1,scaleX:-1,scaleY:1,deg:0,rad:0},3:{dimensionSwapped:!1,scaleX:1,scaleY:1,deg:180,rad:180*Math.PI/180},4:{dimensionSwapped:!1,scaleX:-1,scaleY:1,deg:180,rad:180*Math.PI/180},5:{dimensionSwapped:!0,scaleX:1,scaleY:-1,deg:90,rad:90*Math.PI/180},6:{dimensionSwapped:!0,scaleX:1,scaleY:1,deg:90,rad:90*Math.PI/180},7:{dimensionSwapped:!0,scaleX:1,scaleY:-1,deg:270,rad:270*Math.PI/180},8:{dimensionSwapped:!0,scaleX:1,scaleY:1,deg:270,rad:270*Math.PI/180}});let ge=!0,me=!0;if("object"==typeof navigator){let e=navigator.userAgent;if(e.includes("iPad")||e.includes("iPhone")){let t=e.match(/OS (\d+)_(\d+)/);if(t){let[,e,s]=t,i=Number(e)+.1*Number(s);ge=i<13.4,me=!1}}else if(e.includes("OS X 10")){let[,t]=e.match(/OS X 10[_.](\d+)/);ge=me=Number(t)<15}if(e.includes("Chrome/")){let[,t]=e.match(/Chrome\/(\d+)/);ge=me=Number(t)<81}else if(e.includes("Firefox/")){let[,t]=e.match(/Firefox\/(\d+)/);ge=me=Number(t)<77}}async function ye(e){let t=await ce(e);return Object.assign({canvas:ge,css:me},pe[t])}class be extends c{constructor(...t){super(...t),e(this,"ranges",new we),0!==this.byteLength&&this.ranges.add(0,this.byteLength)}_tryExtend(e,t,s){if(0===e&&0===this.byteLength&&s){let e=new DataView(s.buffer||s,s.byteOffset,s.byteLength);this._swapDataView(e)}else{let s=e+t;if(s>this.byteLength){let{dataView:e}=this._extend(s);this._swapDataView(e)}}}_extend(e){let t;t=a?r.allocUnsafe(e):new Uint8Array(e);let s=new DataView(t.buffer,t.byteOffset,t.byteLength);return t.set(new Uint8Array(this.buffer,this.byteOffset,this.byteLength),0),{uintView:t,dataView:s}}subarray(e,t,s=!1){return t=t||this._lengthToEnd(e),s&&this._tryExtend(e,t),this.ranges.add(e,t),super.subarray(e,t)}set(e,t,s=!1){s&&this._tryExtend(t,e.byteLength,e);let i=super.set(e,t);return this.ranges.add(t,i.byteLength),i}async ensureChunk(e,t){this.chunked&&(this.ranges.available(e,t)||await this.readChunk(e,t))}available(e,t){return this.ranges.available(e,t)}}class we{constructor(){e(this,"list",[])}get length(){return this.list.length}add(e,t,s=0){let i=e+t,n=this.list.filter((t=>ke(e,t.offset,i)||ke(e,t.end,i)));if(n.length>0){e=Math.min(e,...n.map((e=>e.offset))),i=Math.max(i,...n.map((e=>e.end))),t=i-e;let s=n.shift();s.offset=e,s.length=t,s.end=i,this.list=this.list.filter((e=>!n.includes(e)))}else this.list.push({offset:e,length:t,end:i})}available(e,t){let s=e+t;return this.list.some((t=>t.offset<=e&&s<=t.end))}}function ke(e,t,s){return e<=t&&t<=s}class Oe extends be{constructor(t,s){super(0),e(this,"chunksRead",0),this.input=t,this.options=s}async readWhole(){this.chunked=!1,await this.readChunk(this.nextChunkOffset)}async readChunked(){this.chunked=!0,await this.readChunk(0,this.options.firstChunkSize)}async readNextChunk(e=this.nextChunkOffset){if(this.fullyRead)return this.chunksRead++,!1;let t=this.options.chunkSize,s=await this.readChunk(e,t);return!!s&&s.byteLength===t}async readChunk(e,t){if(this.chunksRead++,0!==(t=this.safeWrapAddress(e,t)))return this._readChunk(e,t)}safeWrapAddress(e,t){return void 0!==this.size&&e+t>this.size?Math.max(0,this.size-e):t}get nextChunkOffset(){if(0!==this.ranges.list.length)return this.ranges.list[0].length}get canReadNextChunk(){return this.chunksRead<this.options.chunkLimit}get fullyRead(){return void 0!==this.size&&this.nextChunkOffset===this.size}read(){return this.options.chunked?this.readChunked():this.readWhole()}close(){}}b.set("blob",class extends Oe{async readWhole(){this.chunked=!1;let e=await A(this.input);this._swapArrayBuffer(e)}readChunked(){return this.chunked=!0,this.size=this.input.size,super.readChunked()}async _readChunk(e,t){let s=t?e+t:void 0,i=this.input.slice(e,s),n=await A(i);return this.set(n,e,!0)}});export default re;export{H as Exifr,R as Options,M as allFormatters,L as chunkedProps,x as createDictionary,C as extendDictionary,S as fetchUrlAsArrayBuffer,m as fileParsers,b as fileReaders,fe as gps,he as gpsOnlyOptions,E as inheritables,ce as orientation,de as orientationOnlyOptions,T as otherSegments,Y as parse,A as readBlobAsArrayBuffer,ge as rotateCanvas,me as rotateCss,ye as rotation,pe as rotations,y as segmentParsers,z as segments,F as segmentsAndBlocks,B as tagKeys,I as tagRevivers,V as tagValues,oe as thumbnail,le as thumbnailOnlyOptions,ue as thumbnailUrl,P as tiffBlocks,j as tiffExtractables};
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