10 lines
11 KiB
JavaScript
10 lines
11 KiB
JavaScript
/*!
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* Compressor.js v1.3.0
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* https://fengyuanchen.github.io/compressorjs
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*
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* Copyright 2018-present Chen Fengyuan
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* Released under the MIT license
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*
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* Date: 2026-04-06T07:12:45.816Z
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*/
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((e,t)=>{"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).Compressor=t()})(this,function(){function a(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,o(i.key),i)}}function s(){return(s=Object.assign?Object.assign.bind():function(e){for(var t=1;t<arguments.length;t++){var r,i=arguments[t];for(r in i)!{}.hasOwnProperty.call(i,r)||(e[r]=i[r])}return e}).apply(null,arguments)}function t(t,e){var r,i=Object.keys(t);return Object.getOwnPropertySymbols&&(r=Object.getOwnPropertySymbols(t),e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),i.push.apply(i,r)),i}function n(i){for(var e=1;e<arguments.length;e++){var a=null!=arguments[e]?arguments[e]:{};e%2?t(Object(a),!0).forEach(function(e){var t,r;t=i,r=a[e=e],(e=o(e))in t?Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[e]=r}):Object.getOwnPropertyDescriptors?Object.defineProperties(i,Object.getOwnPropertyDescriptors(a)):t(Object(a)).forEach(function(e){Object.defineProperty(i,e,Object.getOwnPropertyDescriptor(a,e))})}return i}function o(e){e=((e,t)=>{if("object"!=typeof e||!e)return e;var r=e[Symbol.toPrimitive];if(void 0===r)return("string"===t?String:Number)(e);if("object"!=typeof(r=r.call(e,t||"default")))return r;throw new TypeError("@@toPrimitive must return a primitive value.")})(e,"string");return"symbol"==typeof e?e:e+""}function x(e){return 0<e&&e<1/0}var e,r,l,c,h,u,f,d,i={exports:{}},O=(e=i,"undefined"!=typeof window&&(l=(r=window).HTMLCanvasElement&&r.HTMLCanvasElement.prototype,c=r.Blob&&(()=>{try{return Boolean(new Blob)}catch(e){return!1}})(),h=c&&r.Uint8Array&&(()=>{try{return 100===new Blob([new Uint8Array(100)]).size}catch(e){return!1}})(),u=r.BlobBuilder||r.WebKitBlobBuilder||r.MozBlobBuilder||r.MSBlobBuilder,f=/^data:((.*?)(;charset=.*?)?)(;base64)?,/,d=(c||u)&&r.atob&&r.ArrayBuffer&&r.Uint8Array&&function(e){var t,r,i,a,n,o=e.match(f);if(!o)throw new Error("invalid data URI");for(t=o[2]?o[1]:"text/plain"+(o[3]||";charset=US-ASCII"),n=!!o[4],e=e.slice(o[0].length),r=(n?atob:decodeURIComponent)(e),o=new ArrayBuffer(r.length),i=new Uint8Array(o),a=0;a<r.length;a+=1)i[a]=r.charCodeAt(a);return c?new Blob([h?i:o],{type:t}):((n=new u).append(o),n.getBlob(t))},r.HTMLCanvasElement&&!l.toBlob&&(l.mozGetAsFile?l.toBlob=function(e,t,r){var i=this;setTimeout(function(){r&&l.toDataURL&&d?e(d(i.toDataURL(t,r))):e(i.mozGetAsFile("blob",t))})}:l.toDataURL&&d&&(l.msToBlob?l.toBlob=function(e,t,r){var i=this;setTimeout(function(){(t&&"image/png"!==t||r)&&l.toDataURL&&d?e(d(i.toDataURL(t,r))):e(i.msToBlob(t))})}:l.toBlob=function(e,t,r){var i=this;setTimeout(function(){e(d(i.toDataURL(t,r)))})})),e.exports?e.exports=d:r.dataURLtoBlob=d),i.exports),m={strict:!0,checkOrientation:!0,retainExif:!1,maxWidth:1/0,maxHeight:1/0,minWidth:0,minHeight:0,width:void 0,height:void 0,resize:"none",quality:.8,mimeType:"auto",convertTypes:["image/png"],convertSize:5e6,beforeDraw:null,drew:null,success:null,error:null},g="undefined"!=typeof window&&void 0!==window.document?window:{},p=Array.prototype.slice;function j(e){return Array.from?Array.from(e):p.call(e)}var b=/^image\/.+$/;function T(e){return b.test(e)}var y=String.fromCharCode;var w=g.btoa;function A(e,t){for(var r=[],i=new Uint8Array(e);0<i.length;)r.push(y.apply(null,j(i.subarray(0,8192)))),i=i.subarray(8192);return"data:".concat(t,";base64,").concat(w(r.join("")))}function v(e){var t,r,i,a,n,o,l,s=new DataView(e);try{if(255===s.getUint8(0)&&216===s.getUint8(1))for(var c=s.byteLength,h=2;h+1<c;){if(255===s.getUint8(h)&&225===s.getUint8(h+1)){r=h;break}h+=1}if(i=r&&(a=r+10,"Exif"===((e,t,r)=>{var i,a="";for(r+=t,i=t;i<r;i+=1)a+=y(e.getUint8(i));return a})(s,r+4,4))&&((l=18761===(n=s.getUint16(a)))||19789===n)&&42===s.getUint16(a+2,l)&&8<=(o=s.getUint32(a+4,l))?a+o:i)for(var u,f=s.getUint16(i,l),d=0;d<f;d+=1)if(u=i+12*d+2,274===s.getUint16(u,l)){u+=8,t=s.getUint16(u,l),s.setUint16(u,1,l);break}}catch(e){t=1}return t}var B=/\.\d*(?:0|9){12}\d*$/;function R(e,t){t=1<arguments.length&&void 0!==t?t:1e11;return B.test(e)?Math.round(e*t)/t:e}function E(e,t){var r,i=e.aspectRatio,a=e.height,e=e.width,t=1<arguments.length&&void 0!==t?t:"none",n=x(e),o=x(a);return n&&o?(r=a*i,("contain"===t||"none"===t)&&e<r||"cover"===t&&r<e?a=e/i:e=a*i):n?a=e/i:o&&(e=a*i),{width:e,height:a}}var U=g.ArrayBuffer,k=g.FileReader,D=g.URL||g.webkitURL,M=/\.\w+$/,L=g.Compressor;return(()=>{function r(e,t){if(!(this instanceof r))throw new TypeError("Cannot call a class as a function");this.file=e,this.exif=[],this.image=new Image,this.options=n(n({},m),t),this.aborted=!1,this.result=null,this.init()}return e=r,i=[{key:"noConflict",value:function(){return window.Compressor=L,r}},{key:"setDefaults",value:function(e){s(m,e)}}],(t=[{key:"init",value:function(){var i,a,n,e,o=this,l=this.file,t=this.options;e=l,"undefined"!=typeof Blob&&(e instanceof Blob||"[object Blob]"===Object.prototype.toString.call(e))?T(i=l.type)?D&&k?(U||(t.checkOrientation=!1,t.retainExif=!1),a=(e="image/jpeg"===i)&&t.checkOrientation,n=e&&t.retainExif,!D||a||n?(e=new k,(this.reader=e).onload=function(e){var e=e.target.result,t={},r=1;a&&1<(r=v(e))&&s(t,(e=>{var t=0,r=1,i=1;switch(e){case 2:r=-1;break;case 3:t=-180;break;case 4:i=-1;break;case 5:t=90,i=-1;break;case 6:t=90;break;case 7:t=90,r=-1;break;case 8:t=-90}return{rotate:t,scaleX:r,scaleY:i}})(r)),n&&(o.exif=(e=>{for(var t=j(new Uint8Array(e)),r=t.length,i=[],a=0;a+3<r;){var 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e,t,r,i=document.createElement("canvas"),a=(i.width=2,i.height=1,i.getContext("2d"));if(a)return(e=a.createImageData(2,1)).data[0]=12,e.data[1]=23,e.data[2]=34,e.data[3]=255,e.data[4]=45,e.data[5]=56,e.data[6]=67,e.data[7]=255,a.putImageData(e,0,0),t=a.getImageData(0,0,2,1),r=[12,23,34,255,45,56,67,255],t.data.every(function(e,t){return e===r[t]})}catch(e){}})()?t.draw(n(n({},e),{},{naturalWidth:i.naturalWidth,naturalHeight:i.naturalHeight})):t.done({naturalWidth:i.naturalWidth,naturalHeight:i.naturalHeight,result:null})},i.onabort=function(){t.fail(new Error("Aborted to load the image."))},i.onerror=function(){t.fail(new Error("Failed to load the image."))},g.navigator&&/(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(g.navigator.userAgent)&&(i.crossOrigin="anonymous"),i.alt=r.name,i.src=e.url}},{key:"draw",value:function(e){var a=this,n=e.naturalWidth,o=e.naturalHeight,t=e.rotate,t=void 0===t?0:t,r=e.scaleX,r=void 0===r?1:r,e=e.scaleY,e=void 0===e?1:e,i=this.file,l=this.image,s=this.options,c=document.createElement("canvas"),h=c.getContext("2d"),u=Math.abs(t)%180==90,f=("contain"===s.resize||"cover"===s.resize)&&x(s.width)&&x(s.height),d=Math.max(s.maxWidth,0)||1/0,m=Math.max(s.maxHeight,0)||1/0,g=Math.max(s.minWidth,0)||0,p=Math.max(s.minHeight,0)||0,b=n/o,y=s.width,w=s.height,v=(u&&(d=(v=[m,d])[0],m=v[1],g=(v=[p,g])[0],p=v[1],y=(v=[w,y])[0],w=v[1]),E({aspectRatio:b=f?y/w:b,width:d,height:m},"contain")),v=(d=v.width,m=v.height,E({aspectRatio:b,width:g,height:p},"cover")),v=(g=v.width,p=v.height,w=f?(y=(v=E({aspectRatio:b,width:y,height:w},s.resize)).width,v.height):(y=void 0===(B=(v=E({aspectRatio:b,width:y,height:w})).width)?n:B,void 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e=t.naturalWidth,r=t.naturalHeight,t=t.result,i=this.file,a=this.image,n=this.options;if(D&&0===a.src.indexOf("blob:")&&D.revokeObjectURL(a.src),t)if(n.strict&&!n.retainExif&&t.size>i.size&&n.mimeType===i.type&&!(n.width>e||n.height>r||n.minWidth>e||n.minHeight>r||n.maxWidth<e||n.maxHeight<r))t=i;else{a=i.name;a&&t.type!==i.type&&(a=a.replace(M,(e=T(e=t.type)?e.substr(6):"",".".concat(e="jpeg"===e?"jpg":e))));try{t=new File([t],a,{type:t.type})}catch(e){r=new Date;t.name=a,t.lastModified=r.getTime(),t.lastModifiedDate=r}}else t=i;this.result=t,n.success&&n.success.call(this,t)}},{key:"fail",value:function(e){var t=this.options;if(!t.error)throw e;t.error.call(this,e)}},{key:"abort",value:function(){this.aborted||(this.aborted=!0,this.reader?this.reader.abort():this.image.complete?this.fail(new Error("The compression process has been aborted.")):(this.image.onload=null,this.image.onabort()))}}])&&a(e.prototype,t),i&&a(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e;var e,t,i})()}); |