2 lines
29 KiB
JavaScript
2 lines
29 KiB
JavaScript
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define("exifr",["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).exifr={})}(this,(function(e){"use strict";function t(e,t,s){return t in e?Object.defineProperty(e,t,{value:s,enumerable:!0,configurable:!0,writable:!0}):e[t]=s,e}var s="undefined"!=typeof self?self:global;const i="undefined"!=typeof navigator,n=i&&"undefined"==typeof HTMLImageElement,r=!("undefined"==typeof global||"undefined"==typeof process||!process.versions||!process.versions.node),a=s.Buffer,h=!!a,f=e=>void 0!==e;function l(e){return void 0===e||(e instanceof Map?0===e.size:0===Object.values(e).filter(f).length)}function o(e){let t=new Error(e);throw delete t.stack,t}function u(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 d=e=>String.fromCharCode.apply(null,e),c="undefined"!=typeof TextDecoder?new TextDecoder("utf-8"):void 0;class p{static from(e,t){return e instanceof this&&e.le===t?e:new p(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 p){void 0===s&&(s=e.byteLength-t),(t+=e.byteOffset)+s>e.byteOffset+e.byteLength&&o("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 o("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=p){return e instanceof DataView||e instanceof p?e=new Uint8Array(e.buffer,e.byteOffset,e.byteLength):e instanceof ArrayBuffer&&(e=new Uint8Array(e)),e instanceof Uint8Array||o("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 p(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,c?c.decode(i):h?Buffer.from(i).toString("utf8"):decodeURIComponent(escape(d(i)));var i}getLatin1String(e=0,t=this.byteLength){let s=this.getUint8Array(e,t);return d(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 d(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.
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