cod-dicomweb-server/dist/umd/main.js

A wadors server proxy that get data from a Cloud Optimized Dicom format.

/*!
 * 
 * cod-dicomweb-server v1.3.9
 * git+https://github.com/gradienthealth/cod-dicomweb-server.git
 *
 *   Copyright (c) Adithyan Dinesh and project contributors.
 *
 *   This source code is licensed under the MIT license found in the
 *   LICENSE file in the root directory of this source tree.
 *
 */
!function(t,e){if("object"==typeof exports&&"object"==typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var r=e();for(var n in r)("object"==typeof exports?exports:t)[n]=r[n]}}(self,(()=>(()=>{var t={915:function(t,e,r){
/*! dicom-parser - 1.8.12 - 2023-02-20 | (c) 2017 Chris Hafey | https://github.com/cornerstonejs/dicomParser */
t.exports=function(t){return r=[function(e,r){e.exports=t},function(t,e,r){"use strict";r.r(e),r.d(e,"isStringVr",(function(){return i})),r.d(e,"isPrivateTag",(function(){return a})),r.d(e,"parsePN",(function(){return o})),r.d(e,"parseTM",(function(){return c})),r.d(e,"parseDA",(function(){return u})),r.d(e,"explicitElementToString",(function(){return f})),r.d(e,"explicitDataSetToJS",(function(){return l})),r.d(e,"createJPEGBasicOffsetTable",(function(){return p})),r.d(e,"parseDicomDataSetExplicit",(function(){return F})),r.d(e,"parseDicomDataSetImplicit",(function(){return _})),r.d(e,"readFixedString",(function(){return g})),r.d(e,"alloc",(function(){return D})),r.d(e,"version",(function(){return N})),r.d(e,"bigEndianByteArrayParser",(function(){return U})),r.d(e,"ByteStream",(function(){return B})),r.d(e,"sharedCopy",(function(){return M})),r.d(e,"DataSet",(function(){return E})),r.d(e,"findAndSetUNElementLength",(function(){return m})),r.d(e,"findEndOfEncapsulatedElement",(function(){return v})),r.d(e,"findItemDelimitationItemAndSetElementLength",(function(){return x})),r.d(e,"littleEndianByteArrayParser",(function(){return G})),r.d(e,"parseDicom",(function(){return z})),r.d(e,"readDicomElementExplicit",(function(){return I})),r.d(e,"readDicomElementImplicit",(function(){return S})),r.d(e,"readEncapsulatedImageFrame",(function(){return V})),r.d(e,"readEncapsulatedPixelData",(function(){return Q})),r.d(e,"readEncapsulatedPixelDataFromFragments",(function(){return H})),r.d(e,"readPart10Header",(function(){return C})),r.d(e,"readSequenceItemsExplicit",(function(){return T})),r.d(e,"readSequenceItemsImplicit",(function(){return A})),r.d(e,"readSequenceItem",(function(){return L})),r.d(e,"readTag",(function(){return y}));var n={AE:!0,AS:!0,AT:!1,CS:!0,DA:!0,DS:!0,DT:!0,FL:!1,FD:!1,IS:!0,LO:!0,LT:!0,OB:!1,OD:!1,OF:!1,OW:!1,PN:!0,SH:!0,SL:!1,SQ:!1,SS:!1,ST:!0,TM:!0,UI:!0,UL:!1,UN:void 0,UR:!0,US:!1,UT:!0},i=function(t){return n[t]},a=function(t){if(t=parseInt(t[4],16),isNaN(t))throw"dicomParser.isPrivateTag: cannot parse last character of group";return t%2==1},o=function(t){if(void 0!==t)return{familyName:(t=t.split("^"))[0],givenName:t[1],middleName:t[2],prefix:t[3],suffix:t[4]}};function c(t,e){if(2<=t.length){var r=parseInt(t.substring(0,2),10),n=4<=t.length?parseInt(t.substring(2,4),10):void 0,i=6<=t.length?parseInt(t.substring(4,6),10):void 0,a=(a=8<=t.length?t.substring(7,13):void 0)?parseInt(a,10)*Math.pow(10,6-a.length):void 0;if(e&&(isNaN(r)||void 0!==n&&isNaN(n)||void 0!==i&&isNaN(i)||void 0!==a&&isNaN(a)||r<0||23<r||n&&(n<0||59<n)||i&&(i<0||59<i)||a&&(a<0||999999<a)))throw"invalid TM '".concat(t,"'");return{hours:r,minutes:n,seconds:i,fractionalSeconds:a}}if(e)throw"invalid TM '".concat(t,"'")}function s(t,e,r){return!isNaN(r)&&0<e&&e<=12&&0<t&&t<=function(t,e){switch(t){case 2:return e%4==0&&e%100||e%400==0?29:28;case 9:case 4:case 6:case 11:return 30;default:return 31}}(e,r)}function u(t,e){if(t&&8===t.length){var r=parseInt(t.substring(0,4),10),n=parseInt(t.substring(4,6),10),i=parseInt(t.substring(6,8),10);if(e&&!0!==s(i,n,r))throw"invalid DA '".concat(t,"'");return{year:r,month:n,day:i}}if(e)throw"invalid DA '".concat(t,"'")}function f(t,e){if(void 0===t||void 0===e)throw"dicomParser.explicitElementToString: missing required parameters";if(void 0===e.vr)throw"dicomParser.explicitElementToString: cannot convert implicit element to string";var r,n=e.vr,a=e.tag;function o(e,r){for(var n="",i=0;i<e;i++)0!==i&&(n+="/"),n+=r.call(t,a,i).toString();return n}if(!0===i(n))r=t.string(a);else{if("AT"===n){var c=t.uint32(a);return void 0===c?void 0:"x".concat((c=c<0?4294967295+c+1:c).toString(16).toUpperCase())}"US"===n?r=o(e.length/2,t.uint16):"SS"===n?r=o(e.length/2,t.int16):"UL"===n?r=o(e.length/4,t.uint32):"SL"===n?r=o(e.length/4,t.int32):"FD"===n?r=o(e.length/8,t.double):"FL"===n&&(r=o(e.length/4,t.float))}return r}function l(t,e){if(void 0===t)throw"dicomParser.explicitDataSetToJS: missing required parameter dataSet";e=e||{omitPrivateAttibutes:!0,maxElementLength:128};var r,n={};for(r in t.elements){var i=t.elements[r];if(!0!==e.omitPrivateAttibutes||!a(r))if(i.items){for(var o=[],c=0;c<i.items.length;c++)o.push(l(i.items[c].dataSet,e));n[r]=o}else{var s=void 0;i.length<e.maxElementLength&&(s=f(t,i)),n[r]=void 0!==s?s:{dataOffset:i.dataOffset,length:i.length}}}return n}function h(t,e){return 255===t.byteArray[e]&&217===t.byteArray[e+1]}function d(t,e,r){for(var n,i,a=r;a<e.fragments.length;a++)if(i=a,h(n=t,(i=e.fragments[i]).position+i.length-2)||h(n,i.position+i.length-3))return a}function p(t,e,r){if(void 0===t)throw"dicomParser.createJPEGBasicOffsetTable: missing required parameter dataSet";if(void 0===e)throw"dicomParser.createJPEGBasicOffsetTable: missing required parameter pixelDataElement";if("x7fe00010"!==e.tag)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to non pixel data tag (expected tag = x7fe00010'";if(!0!==e.encapsulatedPixelData)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to pixel data element that does not have encapsulated pixel data";if(!0!==e.hadUndefinedLength)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to pixel data element that does not have encapsulated pixel data";if(void 0===e.basicOffsetTable)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to pixel data element that does not have encapsulated pixel data";if(void 0===e.fragments)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to pixel data element that does not have encapsulated pixel data";if(e.fragments.length<=0)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'pixelDataElement' refers to pixel data element that does not have encapsulated pixel data";if(r&&r.length<=0)throw"dicomParser.createJPEGBasicOffsetTable: parameter 'fragments' must not be zero length";r=r||e.fragments;for(var n=[],i=0;;){n.push(e.fragments[i].offset);var a=d(t,e,i);if(void 0===a||a===e.fragments.length-1)return n;i=a+1}}function y(t){if(void 0===t)throw"dicomParser.readTag: missing required parameter 'byteStream'";var e=256*t.readUint16()*256;return t=t.readUint16(),"x".concat("00000000".concat((e+t).toString(16)).substr(-8))}function v(t,e,r){if(void 0===t)throw"dicomParser.findEndOfEncapsulatedElement: missing required parameter 'byteStream'";if(void 0===e)throw"dicomParser.findEndOfEncapsulatedElement: missing required parameter 'element'";if(e.encapsulatedPixelData=!0,e.basicOffsetTable=[],e.fragments=[],"xfffee000"!==y(t))throw"dicomParser.findEndOfEncapsulatedElement: basic offset table not found";for(var n=t.readUint32()/4,i=0;i<n;i++){var a=t.readUint32();e.basicOffsetTable.push(a)}for(var o=t.position;t.position<t.byteArray.length;){var c=y(t),s=t.readUint32();if("xfffee0dd"===c)return t.seek(s),void(e.length=t.position-e.dataOffset);if("xfffee000"!==c)return r&&r.push("unexpected tag ".concat(c," while searching for end of pixel data element with undefined length")),s>t.byteArray.length-t.position&&(s=t.byteArray.length-t.position),e.fragments.push({offset:t.position-o-8,position:t.position,length:s}),t.seek(s),void(e.length=t.position-e.dataOffset);e.fragments.push({offset:t.position-o-8,position:t.position,length:s}),t.seek(s)}r&&r.push("pixel data element ".concat(e.tag," missing sequence delimiter tag xfffee0dd"))}function m(t,e){if(void 0===t)throw"dicomParser.findAndSetUNElementLength: missing required parameter 'byteStream'";for(var r=t.byteArray.length-8;t.position<=r;)if(65534===t.readUint16()&&57565===t.readUint16())return 0!==t.readUint32()&&t.warnings("encountered non zero length following item delimiter at position ".concat(t.position-4," while reading element of undefined length with tag 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w(t,this.byteArrayParser).readUint16(this.byteArray,t.dataOffset+2*e)}},{key:"int16",value:function(t,e){if(e=void 0!==e?e:0,(t=this.elements[t])&&0!==t.length)return w(t,this.byteArrayParser).readInt16(this.byteArray,t.dataOffset+2*e)}},{key:"uint32",value:function(t,e){if(e=void 0!==e?e:0,(t=this.elements[t])&&0!==t.length)return w(t,this.byteArrayParser).readUint32(this.byteArray,t.dataOffset+4*e)}},{key:"int32",value:function(t,e){if(e=void 0!==e?e:0,(t=this.elements[t])&&0!==t.length)return w(t,this.byteArrayParser).readInt32(this.byteArray,t.dataOffset+4*e)}},{key:"float",value:function(t,e){if(e=void 0!==e?e:0,(t=this.elements[t])&&0!==t.length)return w(t,this.byteArrayParser).readFloat(this.byteArray,t.dataOffset+4*e)}},{key:"double",value:function(t,e){if(e=void 0!==e?e:0,(t=this.elements[t])&&0!==t.length)return w(t,this.byteArrayParser).readDouble(this.byteArray,t.dataOffset+8*e)}},{key:"numStringValues",value:function(t){if((t=this.elements[t])&&0<t.length)return null===(t=g(this.byteArray,t.dataOffset,t.length).match(/\\/g))?1:t.length+1}},{key:"string",value:function(t,e){return(t=this.elements[t])&&t.Value?t.Value:t&&0<t.length?(t=g(this.byteArray,t.dataOffset,t.length),0<=e?t.split("\\")[e].trim():t.trim()):void 0}},{key:"text",value:function(t,e){if((t=this.elements[t])&&0<t.length)return t=g(this.byteArray,t.dataOffset,t.length),0<=e?t.split("\\")[e].replace(/ +$/,""):t.replace(/ +$/,"")}},{key:"floatString",value:function(t,e){var r=this.elements[t];if(r&&0<r.length&&void 0!==(e=this.string(t,e=void 0!==e?e:0)))return parseFloat(e)}},{key:"intString",value:function(t,e){var r=this.elements[t];if(r&&0<r.length&&void 0!==(e=this.string(t,e=void 0!==e?e:0)))return parseInt(e)}},{key:"attributeTag",value:function(t){if((r=this.elements[t])&&4===r.length){var e=w(r,this.byteArrayParser).readUint16,r=(t=this.byteArray,r.dataOffset);return"x".concat("00000000".concat((256*e(t,r)*256+e(t,r+2)).toString(16)).substr(-8))}}}])&&b(e.prototype,r),n&&b(e,n),Object.defineProperty(e,"prototype",{writable:!1}),t}();function x(t,e){if(void 0===t)throw"dicomParser.readDicomElementImplicit: missing required parameter 'byteStream'";for(var r=t.byteArray.length-8;t.position<=r;)if(65534===t.readUint16()&&57357===t.readUint16())return 0!==t.readUint32()&&t.warnings("encountered non zero length following item delimiter at position ".concat(t.position-4," while reading element of undefined length with tag ").concat(e.tag)),void(e.length=t.position-e.dataOffset);e.length=t.byteArray.length-e.dataOffset,t.seek(t.byteArray.length-t.position)}var P=function(t,e){return void 0!==t.vr?"SQ"===t.vr:e.position+4<=e.byteArray.length?(t=y(e),e.seek(-4),"xfffee000"===t||"xfffee0dd"===t):(e.warnings.push("eof encountered before finding sequence item tag or sequence delimiter tag in peeking to determine VR"),!1)};function S(t,e,r){if(void 0===t)throw"dicomParser.readDicomElementImplicit: missing required parameter 'byteStream'";var n;return 4294967295===(n={tag:n=y(t),vr:void 0!==r?r(n):void 0,length:t.readUint32(),dataOffset:t.position}).length&&(n.hadUndefinedLength=!0),n.tag===e||(!P(n,t)||a(n.tag)&&!n.hadUndefinedLength?n.hadUndefinedLength?x(t,n):t.seek(n.length):(A(t,n,r),a(n.tag)&&(n.items=void 0))),n}function L(t){if(void 0===t)throw"dicomParser.readSequenceItem: missing required parameter 'byteStream'";var e={tag:y(t),length:t.readUint32(),dataOffset:t.position};if("xfffee000"!==e.tag)throw"dicomParser.readSequenceItem: item tag (FFFE,E000) not found at offset ".concat(t.position);return e}function O(t,e){var r=L(t);return 4294967295===r.length?(r.hadUndefinedLength=!0,r.dataSet=function(t,e){for(var r={};t.position<t.byteArray.length;){var n=S(t,void 0,e);if("xfffee00d"===(r[n.tag]=n).tag)return new E(t.byteArrayParser,t.byteArray,r)}return t.warnings.push("eof encountered before finding sequence item delimiter in sequence item of undefined length"),new E(t.byteArrayParser,t.byteArray,r)}(t,e),r.length=t.position-r.dataOffset):(r.dataSet=new E(t.byteArrayParser,t.byteArray,{}),_(r.dataSet,t,t.position+r.length,{vrCallback:e})),r}function A(t,e,r){if(void 0===t)throw"dicomParser.readSequenceItemsImplicit: missing required parameter 'byteStream'";if(void 0===e)throw"dicomParser.readSequenceItemsImplicit: missing required parameter 'element'";e.items=[],(4294967295===e.length?function(t,e,r){for(;t.position+4<=t.byteArray.length;){var n=y(t);if(t.seek(-4),"xfffee0dd"===n)return e.length=t.position-e.dataOffset,t.seek(8);n=O(t,r),e.items.push(n)}t.warnings.push("eof encountered before finding sequence delimiter in sequence of undefined length"),e.length=t.byteArray.length-e.dataOffset}:function(t,e,r){for(var n=e.dataOffset+e.length;t.position<n;){var i=O(t,r);e.items.push(i)}})(t,e,r)}function k(t,e){var r=L(t);return 4294967295===r.length?(r.hadUndefinedLength=!0,r.dataSet=function(t,e){for(var r={};t.position<t.byteArray.length;){var n=I(t,e);if("xfffee00d"===(r[n.tag]=n).tag)return new E(t.byteArrayParser,t.byteArray,r)}return e.push("eof encountered before finding item delimiter tag while reading sequence item of undefined length"),new E(t.byteArrayParser,t.byteArray,r)}(t,e),r.length=t.position-r.dataOffset):(r.dataSet=new E(t.byteArrayParser,t.byteArray,{}),F(r.dataSet,t,t.position+r.length)),r}function T(t,e,r){if(void 0===t)throw"dicomParser.readSequenceItemsExplicit: missing required parameter 'byteStream'";if(void 0===e)throw"dicomParser.readSequenceItemsExplicit: missing required parameter 'element'";e.items=[],(4294967295===e.length?function(t,e,r){for(;t.position+4<=t.byteArray.length;){var n=y(t);if(t.seek(-4),"xfffee0dd"===n)return e.length=t.position-e.dataOffset,t.seek(8);n=k(t,r),e.items.push(n)}r.push("eof 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N="1.8.12",U={readUint16:function(t,e){if(e<0)throw"bigEndianByteArrayParser.readUint16: position cannot be less than 0";if(e+2>t.length)throw"bigEndianByteArrayParser.readUint16: attempt to read past end of buffer";return(t[e]<<8)+t[e+1]},readInt16:function(t,e){if(e<0)throw"bigEndianByteArrayParser.readInt16: position cannot be less than 0";if(e+2>t.length)throw"bigEndianByteArrayParser.readInt16: attempt to read past end of buffer";return 32768&(e=(t[e]<<8)+t[e+1])?e-65535-1:e},readUint32:function(t,e){if(e<0)throw"bigEndianByteArrayParser.readUint32: position cannot be less than 0";if(e+4>t.length)throw"bigEndianByteArrayParser.readUint32: attempt to read past end of buffer";return 256*(256*(256*t[e]+t[e+1])+t[e+2])+t[e+3]},readInt32:function(t,e){if(e<0)throw"bigEndianByteArrayParser.readInt32: position cannot be less than 0";if(e+4>t.length)throw"bigEndianByteArrayParser.readInt32: attempt to read past end of 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