the latest code

node_modules/browser-image-compression/dist/browser-image-compression.d.ts

@@ -0,0 +1,46 @@
+// Type definitions for browser-image-compression 2.0
+// Project: https://github.com/Donaldcwl/browser-image-compression
+// Definitions by: Donald <https://github.com/Donaldcwl> & Jamie Haywood <https://github.com/jamiehaywood>
+
+export interface Options {
+    /** @default Number.POSITIVE_INFINITY */
+    maxSizeMB?: number;
+    /** @default undefined */
+    maxWidthOrHeight?: number;
+    /** @default true */
+    useWebWorker?: boolean;
+    /** @default 10 */
+    maxIteration?: number;
+    /** Default to be the exif orientation from the image file */
+    exifOrientation?: number;
+    /** A function takes one progress argument (progress from 0 to 100) */
+    onProgress?: (progress: number) => void;
+    /** Default to be the original mime type from the image file */
+    fileType?: string;
+    /** @default 1.0 */
+    initialQuality?: number;
+    /** @default false */
+    alwaysKeepResolution?: boolean;
+    /** @default undefined */
+    signal?: AbortSignal;
+    /** @default false */
+    preserveExif?: boolean;
+    /** @default https://cdn.jsdelivr.net/npm/browser-image-compression/dist/browser-image-compression.js */
+    libURL?: string;
+}
+
+declare function imageCompression(image: File, options: Options): Promise<File>;
+
+declare namespace imageCompression {
+    function getDataUrlFromFile(file: File): Promise<string>;
+    function getFilefromDataUrl(dataUrl: string, filename: string, lastModified?: number): Promise<File>;
+    function loadImage(src: string): Promise<HTMLImageElement>;
+    function drawImageInCanvas(img: HTMLImageElement, fileType?: string): HTMLCanvasElement;
+    function drawFileInCanvas(file: File, options?: Options): Promise<[ImageBitmap | HTMLImageElement, HTMLCanvasElement]>;
+    function canvasToFile(canvas: HTMLCanvasElement, fileType: string, fileName: string, fileLastModified: number, quality?: number): Promise<File>;
+    function getExifOrientation(file: File): Promise<number>;
+}
+
+export as namespace imageCompression;
+
+export default imageCompression;

node_modules/browser-image-compression/dist/browser-image-compression.js

@@ -0,0 +1,9 @@
+/**
+ * Browser Image Compression
+ * v2.0.2
+ * by Donald <[email protected]>
+ * https://github.com/Donaldcwl/browser-image-compression
+ */
+
+!function(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).imageCompression=t()}(this,(function(){"use strict";function _mergeNamespaces(e,t){return t.forEach((function(t){t&&"string"!=typeof t&&!Array.isArray(t)&&Object.keys(t).forEach((function(r){if("default"!==r&&!(r in e)){var i=Object.getOwnPropertyDescriptor(t,r);Object.defineProperty(e,r,i.get?i:{enumerable:!0,get:function(){return t[r]}})}}))})),Object.freeze(e)}function copyExifWithoutOrientation(e,t){return new Promise((function(r,i){let o;return getApp1Segment(e).then((function(e){try{return o=e,r(new Blob([t.slice(0,2),o,t.slice(2)],{type:"image/jpeg"}))}catch(e){return i(e)}}),i)}))}const getApp1Segment=e=>new Promise(((t,r)=>{const i=new FileReader;i.addEventListener("load",(({target:{result:e}})=>{const i=new DataView(e);let o=0;if(65496!==i.getUint16(o))return r("not a valid JPEG");for(o+=2;;){const a=i.getUint16(o);if(65498===a)break;const s=i.getUint16(o+2);if(65505===a&&1165519206===i.getUint32(o+4)){const a=o+10;let f;switch(i.getUint16(a)){case 18761:f=!0;break;case 19789:f=!1;break;default:return r("TIFF header contains invalid endian")}if(42!==i.getUint16(a+2,f))return r("TIFF header contains invalid version");const l=i.getUint32(a+4,f),c=a+l+2+12*i.getUint16(a+l,f);for(let e=a+l+2;e<c;e+=12){if(274==i.getUint16(e,f)){if(3!==i.getUint16(e+2,f))return r("Orientation data type is invalid");if(1!==i.getUint32(e+4,f))return r("Orientation data count is invalid");i.setUint16(e+8,1,f);break}}return t(e.slice(o,o+2+s))}o+=2+s}return t(new Blob)})),i.readAsArrayBuffer(e)}));var e={};!function(e){var t,r,UZIP={};e.exports=UZIP,UZIP.parse=function(e,t){for(var r=UZIP.bin.readUshort,i=UZIP.bin.readUint,o=0,a={},s=new Uint8Array(e),f=s.length-4;101010256!=i(s,f);)f--;o=f;o+=4;var l=r(s,o+=4);r(s,o+=2);var c=i(s,o+=2),u=i(s,o+=4);o+=4,o=u;for(var h=0;h<l;h++){i(s,o),o+=4,o+=4,o+=4,i(s,o+=4);c=i(s,o+=4);var d=i(s,o+=4),A=r(s,o+=4),g=r(s,o+2),p=r(s,o+4);o+=6;var m=i(s,o+=8);o+=4,o+=A+g+p,UZIP._readLocal(s,m,a,c,d,t)}return a},UZIP._readLocal=function(e,t,r,i,o,a){var s=UZIP.bin.readUshort,f=UZIP.bin.readUint;f(e,t),s(e,t+=4),s(e,t+=2);var l=s(e,t+=2);f(e,t+=2),f(e,t+=4),t+=4;var c=s(e,t+=8),u=s(e,t+=2);t+=2;var h=UZIP.bin.readUTF8(e,t,c);if(t+=c,t+=u,a)r[h]={size:o,csize:i};else{var d=new Uint8Array(e.buffer,t);if(0==l)r[h]=new Uint8Array(d.buffer.slice(t,t+i));else{if(8!=l)throw"unknown compression method: "+l;var A=new Uint8Array(o);UZIP.inflateRaw(d,A),r[h]=A}}},UZIP.inflateRaw=function(e,t){return UZIP.F.inflate(e,t)},UZIP.inflate=function(e,t){return e[0],e[1],UZIP.inflateRaw(new Uint8Array(e.buffer,e.byteOffset+2,e.length-6),t)},UZIP.deflate=function(e,t){null==t&&(t={level:6});var r=0,i=new Uint8Array(50+Math.floor(1.1*e.length));i[r]=120,i[r+1]=156,r+=2,r=UZIP.F.deflateRaw(e,i,r,t.level);var o=UZIP.adler(e,0,e.length);return i[r+0]=o>>>24&255,i[r+1]=o>>>16&255,i[r+2]=o>>>8&255,i[r+3]=o>>>0&255,new Uint8Array(i.buffer,0,r+4)},UZIP.deflateRaw=function(e,t){null==t&&(t={level:6});var r=new Uint8Array(50+Math.floor(1.1*e.length)),i=UZIP.F.deflateRaw(e,r,i,t.level);return new Uint8Array(r.buffer,0,i)},UZIP.encode=function(e,t){null==t&&(t=!1);var r=0,i=UZIP.bin.writeUint,o=UZIP.bin.writeUshort,a={};for(var s in e){var f=!UZIP._noNeed(s)&&!t,l=e[s],c=UZIP.crc.crc(l,0,l.length);a[s]={cpr:f,usize:l.length,crc:c,file:f?UZIP.deflateRaw(l):l}}for(var s in a)r+=a[s].file.length+30+46+2*UZIP.bin.sizeUTF8(s);r+=22;var u=new Uint8Array(r),h=0,d=[];for(var s in a){var A=a[s];d.push(h),h=UZIP._writeHeader(u,h,s,A,0)}var g=0,p=h;for(var s in a){A=a[s];d.push(h),h=UZIP._writeHeader(u,h,s,A,1,d[g++])}var m=h-p;return i(u,h,101010256),h+=4,o(u,h+=4,g),o(u,h+=2,g),i(u,h+=2,m),i(u,h+=4,p),h+=4,h+=2,u.buffer},UZIP._noNeed=function(e){var t=e.split(".").pop().toLowerCase();return-1!="png,jpg,jpeg,zip".indexOf(t)},UZIP._writeHeader=function(e,t,r,i,o,a){var s=UZIP.bin.writeUint,f=UZIP.bin.writeUshort,l=i.file;return s(e,t,0==o?67324752:33639248),t+=4,1==o&&(t+=2),f(e,t,20),f(e,t+=2,0),f(e,t+=2,i.cpr?8:0),s(e,t+=2,0),s(e,t+=4,i.crc),s(e,t+=4,l.length),s(e,t+=4,i.usize),f(e,t+=4,UZIP.bin.sizeUTF8(r)),f(e,t+=2,0),t+=2,1==o&&(t+=2,t+=2,s(e,t+=6,a),t+=4),t+=UZIP.bin.writeUTF8(e,t,r),0==o&&(e.set(l,t),t+=l.length),t},UZIP.crc={table:function(){for(var e=new Uint32Array(256),t=0;t<256;t++){for(var r=t,i=0;i<8;i++)1&r?r=3988292384^r>>>1:r>>>=1;e[t]=r}return e}(),update:function(e,t,r,i){for(var o=0;o<i;o++)e=UZIP.crc.table[255&(e^t[r+o])]^e>>>8;return e},crc:function(e,t,r){return 4294967295^UZIP.crc.update(4294967295,e,t,r)}},UZIP.adler=function(e,t,r){for(var i=1,o=0,a=t,s=t+r;a<s;){for(var f=Math.min(a+5552,s);a<f;)o+=i+=e[a++];i%=65521,o%=65521}return o<<16|i},UZIP.bin={readUshort:function(e,t){return e[t]|e[t+1]<<8},writeUshort:function(e,t,r){e[t]=255&r,e[t+1]=r>>8&255},readUint:function(e,t){return 16777216*e[t+3]+(e[t+2]<<16|e[t+1]<<8|e[Line truncated
+//# sourceMappingURL=browser-image-compression.js.map

node_modules/browser-image-compression/dist/browser-image-compression.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"browser-image-compression.js","sources":["../lib/copyExifWithoutOrientation.js","../node_modules/uzip/UZIP.js","../lib/UPNG.js","../lib/canvastobmp.js","../lib/config/browser-name.js","../lib/config/max-canvas-size.js","../lib/utils.js","../lib/image-compression.js","../lib/web-worker.js","../lib/index.js"],"sourcesContent":["// https://gist.github.com/tonytonyjan/ffb7cd0e82cb293b843ece7e79364233\n// Copyright (c) 2022 Weihang Jian <[email protected]>\n\nexport default async function copyExifWithoutOrientation(srcBlob, destBlob) {\n  const exif = await getApp1Segment(srcBlob);\n  return new Blob([destBlob.slice(0, 2), exif, destBlob.slice(2)], {\n    type: 'image/jpeg',\n  });\n}\n\nconst SOI = 0xffd8;\nconst SOS = 0xffda;\nconst APP1 = 0xffe1;\nconst EXIF = 0x45786966;\nconst LITTLE_ENDIAN = 0x4949;\nconst BIG_ENDIAN = 0x4d4d;\nconst TAG_ID_ORIENTATION = 0x0112;\nconst TAG_TYPE_SHORT = 3;\nconst getApp1Segment = (blob) => new Promise((resolve, reject) => {\n  const reader = new FileReader();\n  reader.addEventListener('load', ({ target: { result: buffer } }) => {\n    const view = new DataView(buffer);\n    let offset = 0;\n    if (view.getUint16(offset) !== SOI) return reject('not a valid JPEG');\n    offset += 2;\n\n    while (true) {\n      const marker = view.getUint16(offset);\n      if (marker === SOS) break;\n\n      const size = view.getUint16(offset + 2);\n      if (marker === APP1 && view.getUint32(offset + 4) === EXIF) {\n        const tiffOffset = offset + 10;\n        let littleEndian;\n        switch (view.getUint16(tiffOffset)) {\n          case LITTLE_ENDIAN:\n            littleEndian = true;\n            break;\n          case BIG_ENDIAN:\n            littleEndian = false;\n            break;\n          default:\n            return reject('TIFF header contains invalid endian');\n        }\n        if (view.getUint16(tiffOffset + 2, littleEndian) !== 0x2a) { return reject('TIFF header contains invalid version'); }\n\n        const ifd0Offset = view.getUint32(tiffOffset + 4, littleEndian);\n        const endOfTagsOffset = tiffOffset\n              + ifd0Offset\n              + 2\n              + view.getUint16(tiffOffset + ifd0Offset, littleEndian) * 12;\n        for (\n          let i = tiffOffset + ifd0Offset + 2;\n          i < endOfTagsOffset;\n          i += 12\n        ) {\n          const tagId = view.getUint16(i, littleEndian);\n          if (tagId == TAG_ID_ORIENTATION) {\n            if (view.getUint16(i + 2, littleEndian) !== TAG_TYPE_SHORT) { return reject('Orientation data type is invalid'); }\n\n            if (view.getUint32(i + 4, littleEndian) !== 1) { return reject('Orientation data count is invalid'); }\n\n            view.setUint16(i + 8, 1, littleEndian);\n            break;\n          }\n        }\n        return resolve(buffer.slice(offset, offset + 2 + size));\n      }\n      offset += 2 + size;\n    }\n    return resolve(new Blob());\n  });\n  reader.readAsArrayBuffer(blob);\n});\n","\r\n\r\nvar UZIP = {};\r\nif(typeof module == \"object\") module.exports = UZIP;\r\n\r\n\r\nUZIP[\"parse\"] = function(buf, onlyNames)\t// ArrayBuffer\r\n{\r\n\tvar rUs = UZIP.bin.readUshort, rUi = UZIP.bin.readUint, o = 0, out = {};\r\n\tvar data = new Uint8Array(buf);\r\n\tvar eocd = data.length-4;\r\n\t\r\n\twhile(rUi(data, eocd)!=0x06054b50) eocd--;\r\n\t\r\n\tvar o = eocd;\r\n\to+=4;\t// sign  = 0x06054b50\r\n\to+=4;  // disks = 0;\r\n\tvar cnu = rUs(data, o);  o+=2;\r\n\tvar cnt = rUs(data, o);  o+=2;\r\n\t\t\t\r\n\tvar csize = rUi(data, o);  o+=4;\r\n\tvar coffs = rUi(data, o);  o+=4;\r\n\t\r\n\to = coffs;\r\n\tfor(var i=0; i<cnu; i++)\r\n\t{\r\n\t\tvar sign = rUi(data, o);  o+=4;\r\n\t\to += 4;  // versions;\r\n\t\to += 4;  // flag + compr\r\n\t\to += 4;  // time\r\n\t\t\r\n\t\tvar crc32 = rUi(data, o);  o+=4;\r\n\t\tvar csize = rUi(data, o);  o+=4;\r\n\t\tvar usize = rUi(data, o);  o+=4;\r\n\t\t\r\n\t\tvar nl = rUs(data, o), el = rUs(data, o+2), cl = rUs(data, o+4);  o += 6;  // name, extra, comment\r\n\t\to += 8;  // disk, attribs\r\n\t\t\r\n\t\tvar roff = rUi(data, o);  o+=4;\r\n\t\to += nl + el + cl;\r\n\t\t\r\n\t\tUZIP._readLocal(data, roff, out, csize, usize, onlyNames);\r\n\t}\r\n\t//console.log(out);\r\n\treturn out;\r\n}\r\n\r\nUZIP._readLocal = function(data, o, out, csize, usize, onlyNames)\r\n{\r\n\tvar rUs = UZIP.bin.readUshort, rUi = UZIP.bin.readUint;\r\n\tvar sign  = rUi(data, o);  o+=4;\r\n\tvar ver   = rUs(data, o);  o+=2;\r\n\tvar gpflg = rUs(data, o);  o+=2;\r\n\t//if((gpflg&8)!=0) throw \"unknown sizes\";\r\n\tvar cmpr  = rUs(data, o);  o+=2;\r\n\t\r\n\tvar time  = rUi(data, o);  o+=4;\r\n\t\r\n\tvar crc32 = rUi(data, o);  o+=4;\r\n\t//var csize = rUi(data, o);  o+=4;\r\n\t//var usize = rUi(data, o);  o+=4;\r\n\to+=8;\r\n\t\t\r\n\tvar nlen  = rUs(data, o);  o+=2;\r\n\tvar elen  = rUs(data, o);  o+=2;\r\n\t\t\r\n\tvar name =  UZIP.bin.readUTF8(data, o, nlen);  o+=nlen;  //console.log(name);\r\n\to += elen;\r\n\t\t\t\r\n\t//console.logLine truncated

node_modules/browser-image-compression/dist/browser-image-compression.mjs

@@ -0,0 +1,9 @@
+/**
+ * Browser Image Compression
+ * v2.0.2
+ * by Donald <[email protected]>
+ * https://github.com/Donaldcwl/browser-image-compression
+ */
+
+function _mergeNamespaces(e,t){return t.forEach((function(t){t&&"string"!=typeof t&&!Array.isArray(t)&&Object.keys(t).forEach((function(r){if("default"!==r&&!(r in e)){var i=Object.getOwnPropertyDescriptor(t,r);Object.defineProperty(e,r,i.get?i:{enumerable:!0,get:function(){return t[r]}})}}))})),Object.freeze(e)}function copyExifWithoutOrientation(e,t){return new Promise((function(r,i){let o;return getApp1Segment(e).then((function(e){try{return o=e,r(new Blob([t.slice(0,2),o,t.slice(2)],{type:"image/jpeg"}))}catch(e){return i(e)}}),i)}))}const getApp1Segment=e=>new Promise(((t,r)=>{const i=new FileReader;i.addEventListener("load",(({target:{result:e}})=>{const i=new DataView(e);let o=0;if(65496!==i.getUint16(o))return r("not a valid JPEG");for(o+=2;;){const a=i.getUint16(o);if(65498===a)break;const s=i.getUint16(o+2);if(65505===a&&1165519206===i.getUint32(o+4)){const a=o+10;let f;switch(i.getUint16(a)){case 18761:f=!0;break;case 19789:f=!1;break;default:return r("TIFF header contains invalid endian")}if(42!==i.getUint16(a+2,f))return r("TIFF header contains invalid version");const l=i.getUint32(a+4,f),c=a+l+2+12*i.getUint16(a+l,f);for(let e=a+l+2;e<c;e+=12){if(274==i.getUint16(e,f)){if(3!==i.getUint16(e+2,f))return r("Orientation data type is invalid");if(1!==i.getUint32(e+4,f))return r("Orientation data count is invalid");i.setUint16(e+8,1,f);break}}return t(e.slice(o,o+2+s))}o+=2+s}return t(new Blob)})),i.readAsArrayBuffer(e)}));var e={},t={get exports(){return e},set exports(t){e=t}};!function(e){var r,i,UZIP={};t.exports=UZIP,UZIP.parse=function(e,t){for(var r=UZIP.bin.readUshort,i=UZIP.bin.readUint,o=0,a={},s=new Uint8Array(e),f=s.length-4;101010256!=i(s,f);)f--;o=f;o+=4;var l=r(s,o+=4);r(s,o+=2);var c=i(s,o+=2),u=i(s,o+=4);o+=4,o=u;for(var h=0;h<l;h++){i(s,o),o+=4,o+=4,o+=4,i(s,o+=4);c=i(s,o+=4);var d=i(s,o+=4),A=r(s,o+=4),g=r(s,o+2),p=r(s,o+4);o+=6;var m=i(s,o+=8);o+=4,o+=A+g+p,UZIP._readLocal(s,m,a,c,d,t)}return a},UZIP._readLocal=function(e,t,r,i,o,a){var s=UZIP.bin.readUshort,f=UZIP.bin.readUint;f(e,t),s(e,t+=4),s(e,t+=2);var l=s(e,t+=2);f(e,t+=2),f(e,t+=4),t+=4;var c=s(e,t+=8),u=s(e,t+=2);t+=2;var h=UZIP.bin.readUTF8(e,t,c);if(t+=c,t+=u,a)r[h]={size:o,csize:i};else{var d=new Uint8Array(e.buffer,t);if(0==l)r[h]=new Uint8Array(d.buffer.slice(t,t+i));else{if(8!=l)throw"unknown compression method: "+l;var A=new Uint8Array(o);UZIP.inflateRaw(d,A),r[h]=A}}},UZIP.inflateRaw=function(e,t){return UZIP.F.inflate(e,t)},UZIP.inflate=function(e,t){return e[0],e[1],UZIP.inflateRaw(new Uint8Array(e.buffer,e.byteOffset+2,e.length-6),t)},UZIP.deflate=function(e,t){null==t&&(t={level:6});var r=0,i=new Uint8Array(50+Math.floor(1.1*e.length));i[r]=120,i[r+1]=156,r+=2,r=UZIP.F.deflateRaw(e,i,r,t.level);var o=UZIP.adler(e,0,e.length);return i[r+0]=o>>>24&255,i[r+1]=o>>>16&255,i[r+2]=o>>>8&255,i[r+3]=o>>>0&255,new Uint8Array(i.buffer,0,r+4)},UZIP.deflateRaw=function(e,t){null==t&&(t={level:6});var r=new Uint8Array(50+Math.floor(1.1*e.length)),i=UZIP.F.deflateRaw(e,r,i,t.level);return new Uint8Array(r.buffer,0,i)},UZIP.encode=function(e,t){null==t&&(t=!1);var r=0,i=UZIP.bin.writeUint,o=UZIP.bin.writeUshort,a={};for(var s in e){var f=!UZIP._noNeed(s)&&!t,l=e[s],c=UZIP.crc.crc(l,0,l.length);a[s]={cpr:f,usize:l.length,crc:c,file:f?UZIP.deflateRaw(l):l}}for(var s in a)r+=a[s].file.length+30+46+2*UZIP.bin.sizeUTF8(s);r+=22;var u=new Uint8Array(r),h=0,d=[];for(var s in a){var A=a[s];d.push(h),h=UZIP._writeHeader(u,h,s,A,0)}var g=0,p=h;for(var s in a){A=a[s];d.push(h),h=UZIP._writeHeader(u,h,s,A,1,d[g++])}var m=h-p;return i(u,h,101010256),h+=4,o(u,h+=4,g),o(u,h+=2,g),i(u,h+=2,m),i(u,h+=4,p),h+=4,h+=2,u.buffer},UZIP._noNeed=function(e){var t=e.split(".").pop().toLowerCase();return-1!="png,jpg,jpeg,zip".indexOf(t)},UZIP._writeHeader=function(e,t,r,i,o,a){var s=UZIP.bin.writeUint,f=UZIP.bin.writeUshort,l=i.file;return s(e,t,0==o?67324752:33639248),t+=4,1==o&&(t+=2),f(e,t,20),f(e,t+=2,0),f(e,t+=2,i.cpr?8:0),s(e,t+=2,0),s(e,t+=4,i.crc),s(e,t+=4,l.length),s(e,t+=4,i.usize),f(e,t+=4,UZIP.bin.sizeUTF8(r)),f(e,t+=2,0),t+=2,1==o&&(t+=2,t+=2,s(e,t+=6,a),t+=4),t+=UZIP.bin.writeUTF8(e,t,r),0==o&&(e.set(l,t),t+=l.length),t},UZIP.crc={table:function(){for(var e=new Uint32Array(256),t=0;t<256;t++){for(var r=t,i=0;i<8;i++)1&r?r=3988292384^r>>>1:r>>>=1;e[t]=r}return e}(),update:function(e,t,r,i){for(var o=0;o<i;o++)e=UZIP.crc.table[255&(e^t[r+o])]^e>>>8;return e},crc:function(e,t,r){return 4294967295^UZIP.crc.update(4294967295,e,t,r)}},UZIP.adler=function(e,t,r){for(var i=1,o=0,a=t,s=t+r;a<s;){for(var f=Math.min(a+5552,s);a<f;)o+=i+=e[a++];i%=65521,o%=65521}return o<<16|i},UZIP.bin={readUshort:function(e,t){return e[t]|e[t+1]<<8},writeUshort:function(e,t,r){e[t]=255&r,e[t+1]=r>>8&255},readUint:function(e,t){return 16777216*e[t+3]+(e[t+2]<<16|e[t+1]<<8|e[t])},writeUint:function(e,t,r){e[t]=255&r,e[t+1]=r>>8&255,e[t+2]=r>>16&255,e[t+3]=r>>24&255},readASCII:function(e,t,r){for(var i="",o=0;o<r;o++)i+=String.fromCharCode(e[t+o]);return i},writeASCLine truncated
+//# sourceMappingURL=browser-image-compression.mjs.map

node_modules/browser-image-compression/dist/browser-image-compression.mjs.map

@@ -0,0 +1 @@
+{"version":3,"file":"browser-image-compression.mjs","sources":["../lib/copyExifWithoutOrientation.js","../node_modules/uzip/UZIP.js","../lib/UPNG.js","../lib/canvastobmp.js","../lib/config/browser-name.js","../lib/config/max-canvas-size.js","../lib/utils.js","../lib/image-compression.js","../lib/web-worker.js","../lib/index.js"],"sourcesContent":["// https://gist.github.com/tonytonyjan/ffb7cd0e82cb293b843ece7e79364233\n// Copyright (c) 2022 Weihang Jian <[email protected]>\n\nexport default async function copyExifWithoutOrientation(srcBlob, destBlob) {\n  const exif = await getApp1Segment(srcBlob);\n  return new Blob([destBlob.slice(0, 2), exif, destBlob.slice(2)], {\n    type: 'image/jpeg',\n  });\n}\n\nconst SOI = 0xffd8;\nconst SOS = 0xffda;\nconst APP1 = 0xffe1;\nconst EXIF = 0x45786966;\nconst LITTLE_ENDIAN = 0x4949;\nconst BIG_ENDIAN = 0x4d4d;\nconst TAG_ID_ORIENTATION = 0x0112;\nconst TAG_TYPE_SHORT = 3;\nconst getApp1Segment = (blob) => new Promise((resolve, reject) => {\n  const reader = new FileReader();\n  reader.addEventListener('load', ({ target: { result: buffer } }) => {\n    const view = new DataView(buffer);\n    let offset = 0;\n    if (view.getUint16(offset) !== SOI) return reject('not a valid JPEG');\n    offset += 2;\n\n    while (true) {\n      const marker = view.getUint16(offset);\n      if (marker === SOS) break;\n\n      const size = view.getUint16(offset + 2);\n      if (marker === APP1 && view.getUint32(offset + 4) === EXIF) {\n        const tiffOffset = offset + 10;\n        let littleEndian;\n        switch (view.getUint16(tiffOffset)) {\n          case LITTLE_ENDIAN:\n            littleEndian = true;\n            break;\n          case BIG_ENDIAN:\n            littleEndian = false;\n            break;\n          default:\n            return reject('TIFF header contains invalid endian');\n        }\n        if (view.getUint16(tiffOffset + 2, littleEndian) !== 0x2a) { return reject('TIFF header contains invalid version'); }\n\n        const ifd0Offset = view.getUint32(tiffOffset + 4, littleEndian);\n        const endOfTagsOffset = tiffOffset\n              + ifd0Offset\n              + 2\n              + view.getUint16(tiffOffset + ifd0Offset, littleEndian) * 12;\n        for (\n          let i = tiffOffset + ifd0Offset + 2;\n          i < endOfTagsOffset;\n          i += 12\n        ) {\n          const tagId = view.getUint16(i, littleEndian);\n          if (tagId == TAG_ID_ORIENTATION) {\n            if (view.getUint16(i + 2, littleEndian) !== TAG_TYPE_SHORT) { return reject('Orientation data type is invalid'); }\n\n            if (view.getUint32(i + 4, littleEndian) !== 1) { return reject('Orientation data count is invalid'); }\n\n            view.setUint16(i + 8, 1, littleEndian);\n            break;\n          }\n        }\n        return resolve(buffer.slice(offset, offset + 2 + size));\n      }\n      offset += 2 + size;\n    }\n    return resolve(new Blob());\n  });\n  reader.readAsArrayBuffer(blob);\n});\n","\r\n\r\nvar UZIP = {};\r\nif(typeof module == \"object\") module.exports = UZIP;\r\n\r\n\r\nUZIP[\"parse\"] = function(buf, onlyNames)\t// ArrayBuffer\r\n{\r\n\tvar rUs = UZIP.bin.readUshort, rUi = UZIP.bin.readUint, o = 0, out = {};\r\n\tvar data = new Uint8Array(buf);\r\n\tvar eocd = data.length-4;\r\n\t\r\n\twhile(rUi(data, eocd)!=0x06054b50) eocd--;\r\n\t\r\n\tvar o = eocd;\r\n\to+=4;\t// sign  = 0x06054b50\r\n\to+=4;  // disks = 0;\r\n\tvar cnu = rUs(data, o);  o+=2;\r\n\tvar cnt = rUs(data, o);  o+=2;\r\n\t\t\t\r\n\tvar csize = rUi(data, o);  o+=4;\r\n\tvar coffs = rUi(data, o);  o+=4;\r\n\t\r\n\to = coffs;\r\n\tfor(var i=0; i<cnu; i++)\r\n\t{\r\n\t\tvar sign = rUi(data, o);  o+=4;\r\n\t\to += 4;  // versions;\r\n\t\to += 4;  // flag + compr\r\n\t\to += 4;  // time\r\n\t\t\r\n\t\tvar crc32 = rUi(data, o);  o+=4;\r\n\t\tvar csize = rUi(data, o);  o+=4;\r\n\t\tvar usize = rUi(data, o);  o+=4;\r\n\t\t\r\n\t\tvar nl = rUs(data, o), el = rUs(data, o+2), cl = rUs(data, o+4);  o += 6;  // name, extra, comment\r\n\t\to += 8;  // disk, attribs\r\n\t\t\r\n\t\tvar roff = rUi(data, o);  o+=4;\r\n\t\to += nl + el + cl;\r\n\t\t\r\n\t\tUZIP._readLocal(data, roff, out, csize, usize, onlyNames);\r\n\t}\r\n\t//console.log(out);\r\n\treturn out;\r\n}\r\n\r\nUZIP._readLocal = function(data, o, out, csize, usize, onlyNames)\r\n{\r\n\tvar rUs = UZIP.bin.readUshort, rUi = UZIP.bin.readUint;\r\n\tvar sign  = rUi(data, o);  o+=4;\r\n\tvar ver   = rUs(data, o);  o+=2;\r\n\tvar gpflg = rUs(data, o);  o+=2;\r\n\t//if((gpflg&8)!=0) throw \"unknown sizes\";\r\n\tvar cmpr  = rUs(data, o);  o+=2;\r\n\t\r\n\tvar time  = rUi(data, o);  o+=4;\r\n\t\r\n\tvar crc32 = rUi(data, o);  o+=4;\r\n\t//var csize = rUi(data, o);  o+=4;\r\n\t//var usize = rUi(data, o);  o+=4;\r\n\to+=8;\r\n\t\t\r\n\tvar nlen  = rUs(data, o);  o+=2;\r\n\tvar elen  = rUs(data, o);  o+=2;\r\n\t\t\r\n\tvar name =  UZIP.bin.readUTF8(data, o, nlen);  o+=nlen;  //console.log(name);\r\n\to += elen;\r\n\t\t\t\r\n\t//console.loLine truncated