dynamsoft-barcode-reader-bundle/dist/dbr.bundle.mjs

Dynamsoft Barcode Reader JS is a recognition SDK which enables you to embed barcode reading functionality in your web, desktop, and mobile applications. With a few lines of JavaScript code, you can develop a robust application to scan a linear barcode, QR

/*!
* Dynamsoft JavaScript Library
* @product Dynamsoft Barcode Reader JS Edition Bundle
* @website http://www.dynamsoft.com
* @copyright Copyright 2025, Dynamsoft Corporation
* @author Dynamsoft
* @version 10.5.3000
* @fileoverview Dynamsoft JavaScript Library for Barcode Reader
* More info on dbr JS: https://www.dynamsoft.com/barcode-reader/docs/web/programming/javascript/
*/
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it");return"a"===n?r.call(t,i):r?r.value=i:e.set(t,i),i}"function"==typeof SuppressedError&&SuppressedError;const zt=t=>t&&"object"==typeof t&&"function"==typeof t.then,qt=(async()=>{})().constructor;class Zt extends qt{get status(){return this._s}get isPending(){return"pending"===this._s}get isFulfilled(){return"fulfilled"===this._s}get isRejected(){return"rejected"===this._s}get task(){return this._task}set task(t){let e;this._task=t,zt(t)?e=t:"function"==typeof t&&(e=new qt(t)),e&&(async()=>{try{const i=await e;t===this._task&&this.resolve(i)}catch(e){t===this._task&&this.reject(e)}})()}get isEmpty(){return null==this._task}constructor(t){let e,i;super(((t,n)=>{e=t,i=n})),this._s="pending",this.resolve=t=>{this.isPending&&(zt(t)?this.task=t:(this._s="fulfilled",e(t)))},this.reject=t=>{this.isPending&&(this._s="rejected",i(t))},this.task=t}}class Kt{constructor(t){this._cvr=t}async getMaxBufferedItems(){return await new Promise(((t,e)=>{let i=at();ht[i]=async i=>{if(i.success)return t(i.count);{let t=new Error(i.message);return t.stack=i.stack+"\n"+t.stack,e(t)}},st.postMessage({type:"cvr_getMaxBufferedItems",id:i,instanceID:this._cvr._instanceID})}))}async setMaxBufferedItems(t){return await new Promise(((e,i)=>{let n=at();ht[n]=async t=>{if(t.success)return e();{let e=new Error(t.message);return e.stack=t.stack+"\n"+e.stack,i(e)}},st.postMessage({type:"cvr_setMaxBufferedItems",id:n,instanceID:this._cvr._instanceID,body:{count:t}})}))}async getBufferedCharacterItemSet(){return await new Promise(((t,e)=>{let i=at();ht[i]=async i=>{if(i.success)return t(i.itemSet);{let t=new Error(i.message);return t.stack=i.stack+"\n"+t.stack,e(t)}},st.postMessage({type:"cvr_getBufferedCharacterItemSet",id:i,instanceID:this._cvr._instanceID})}))}}var Jt={onTaskResultsReceived:!1,onTaskResultsReceivedForDce:!1,onPredetectedRegionsReceived:!1,onLocalizedBarcodesReceived:!1,onDecodedBarcodesReceived:!1,onLocalizedTextLinesReceived:!1,onRecognizedTextLinesReceived:!1,onDetectedQuadsReceived:!1,onNormalizedImagesReceived:!1,onColourImageUnitReceived:!1,onScaledDownColourImageUnitReceived:!1,onGrayscaleImageUnitReceived:!1,onTransformedGrayscaleImageUnitReceived:!1,onEnhancedGrayscaleImageUnitReceived:!1,onBinaryImageUnitReceived:!1,onTextureDetectionResultUnitReceived:!1,onTextureRemovedGrayscaleImageUnitReceived:!1,onTextureRemovedBinaryImageUnitReceived:!1,onContoursUnitReceived:!1,onLineSegmentsUnitReceived:!1,onTextZonesUnitReceived:!1,onTextRemovedBinaryImageUnitReceived:!1,onRawTextLinesReceived:!1,onLongLinesUnitReceived:!1,onCornersUnitReceived:!1,onCandidateQuadEdgesUnitReceived:!1,onCandidateBarcodeZonesUnitReceived:!1,onScaledUpBarcodeImageUnitReceived:!1,onDeformationResistedBarcodeImageUnitReceived:!1,onComplementedBarcodeImageUnitReceived:!1,onShortLinesUnitReceived:!1,onLogicLinesReceived:!1};const Qt=t=>{for(let e in t._irrRegistryState)t._irrRegistryState[e]=!1;for(let e of t._intermediateResultReceiverSet)if(e.isDce||e.isFilter)t._irrRegistryState.onTaskResultsReceivedForDce=!0;else for(let i in e)t._irrRegistryState[i]||(t._irrRegistryState[i]=!!e[i])};class $t{constructor(t){this._irrRegistryState=Jt,this._intermediateResultReceiverSet=new Set,this._cvr=t}async addResultReceiver(t){if("object"!=typeof t)throw new Error("Invalid receiver.");this._intermediateResultReceiverSet.add(t),Qt(this);let e=-1,i={};if(!t.isDce&&!t.isFilter){if(!t._observedResultUnitTypes||!t._observedTaskMap)throw new Error("Invalid Intermediate Result Receiver.");e=t._observedResultUnitTypes,t._observedTaskMap.forEach(((t,e)=>{i[e]=t})),t._observedTaskMap.clear()}return await new Promise(((t,n)=>{let r=at();ht[r]=async e=>{if(e.success)return t();{let t=new Error(e.message);return t.stack=e.stack+"\n"+t.stack,n(t)}},st.postMessage({type:"cvr_setIrrRegistry",id:r,instanceID:this._cvr._instanceID,body:{receiverObj:this._irrRegistryState,observedResultUnitTypes:e.toString(),observedTaskMap:i}})}))}async removeResultReceiver(t){return this._intermediateResultReceiverSet.delete(t),Qt(this),await new Promise(((t,e)=>{let i=at();ht[i]=async i=>{if(i.success)return t();{let t=new Error(i.message);return t.stack=i.stack+"\n"+t.stack,e(t)}},st.postMessage({type:"cvr_setIrrRegistry",id:i,instanceID:this._cvr._instanceID,body:{receiverObj:this._irrRegistryState}})}))}getOriginalImage(){return this._cvr._dsImage}}const te="undefined"==typeof self,ee="function"==typeof importScripts,ie=(()=>{if(!ee){if(!te&&document.currentScript){let t=document.currentScript.src,e=t.indexOf("?");if(-1!=e)t=t.substring(0,e);else{let e=t.indexOf("#");-1!=e&&(t=t.substring(0,e))}return t.substring(0,t.lastIndexOf("/")+1)}return"./"}})(),ne=t=>{if(null==t&&(t="./"),te||ee);else{let e=document.createElement("a");e.href=t,t=e.href}return t.endsWith("/")||(t+="/"),t};var re;vt.engineResourcePaths.cvr={version:"2.4.33",path:ie,isInternal:!0},mt.cvr={js:!0,wasm:!0,deps:["license","dip"]},gt.cvr={};const se="1.4.21";"string"!=typeof vt.engineResourcePaths.std&&D(vt.engineResourcePaths.std.version,se)<0&&(vt.engineResourcePaths.std={version:se,path:ne(ie+`../../dynamsoft-capture-vision-std@${se}/dist/`),isInternal:!0});const oe="2.4.31";(!vt.engineResourcePaths.dip||"string"!=typeof vt.engineResourcePaths.dip&&D(vt.engineResourcePaths.dip.version,oe)<0)&&(vt.engineResourcePaths.dip={version:oe,path:ne(ie+`../../dynamsoft-image-processing@${oe}/dist/`),isInternal:!0});class ae{static getVersion(){return this._version}}ae._version=`2.4.33(Worker: ${null===(re=ft.cvr)||void 0===re?void 0:re.worker}, Wasm: loading...`;const he={barcodeResultItems:{type:yt.CRIT_BARCODE,reveiver:"onDecodedBarcodesReceived",isNeedFilter:!0},textLineResultItems:{type:yt.CRIT_TEXT_LINE,reveiver:"onRecognizedTextLinesReceived",isNeedFilter:!0},detectedQuadResultItems:{type:yt.CRIT_DETECTED_QUAD,reveiver:"onDetectedQuadsReceived",isNeedFilter:!1},normalizedImageResultItems:{type:yt.CRIT_NORMALIZED_IMAGE,reveiver:"onNormalizedImagesReceived",isNeedFilter:!1},parsedResultItems:{type:yt.CRIT_PARSED_RESULT,reveiver:"onParsedResultsReceived",isNeedFilter:!1}};var le,ce,ue,de,fe,ge,me,pe,_e,ve,ye,we,Ce;function Ee(t,e){if(t&&t.location){const i=t.location.points;for(let t of i)t.x=t.x/e,t.y=t.y/e;Ee(t.referencedItem,e)}}function Se(t){if(t.disposed)throw new Error('"CaptureVisionRouter" instance has been disposed')}!function(t){t[t.ISS_BUFFER_EMPTY=0]="ISS_BUFFER_EMPTY",t[t.ISS_EXHAUSTED=1]="ISS_EXHAUSTED"}(le||(le={}));const Te={onTaskResultsReceived:()=>{},isFilter:!0};class be{constructor(){this.maxImageSideLength=["iPhone","Android","HarmonyOS"].includes(vt.browserInfo.OS)?2048:4096,this._instanceID=void 0,this._dsImage=null,this._isPauseScan=!0,this._isOutputOriginalImage=!1,this._isOpenDetectVerify=!1,this._isOpenNormalizeVerify=!1,this._isOpenBarcodeVerify=!1,this._isOpenLabelVerify=!1,this._minImageCaptureInterval=0,this._averageProcessintTimeArray=[],this._averageFetchImageTimeArray=[],this._currentSettings=null,this._averageTime=999,ce.set(this,null),ue.set(this,null),de.set(this,null),fe.set(this,null),ge.set(this,null),me.set(this,new Set),pe.set(this,new Set),_e.set(this,new Set),ve.set(this,0),ye.set(this,!1),we.set(this,!1),Ce.set(this,!1),this._singleFrameModeCallbackBind=this._singleFrameModeCallback.bind(this)}get disposed(){return Ht(this,Ce,"f")}static async createInstance(){if(!gt.license)throw Error("Module `license` is not existed.");await gt.license.dynamsoft(),await _t(["cvr"]);const t=new be,e=new Zt;let i=at();return ht[i]=async i=>{var n;if(i.success)t._instanceID=i.instanceID,t._currentSettings=JSON.parse(JSON.parse(i.outputSettings).data),ae._version=`2.4.33(Worker: ${null===(n=ft.cvr)||void 0===n?void 0:n.worker}, Wasm: ${i.version})`,Xt(t,we,!0,"f"),Xt(t,fe,t.getIntermediateResultManager(),"f"),Xt(t,we,!1,"f"),e.resolve(t);else{const t=Error(i.message);i.stack&&(t.stack=i.stack),e.reject(t)}},st.postMessage({type:"cvr_createInstance",id:i}),e}async _singleFrameModeCallback(t){for(let e of Ht(this,me,"f"))this._isOutputOriginalImage&&e.onOriginalImageResultReceived&&e.onOriginalImageResultReceived({imageData:t});const e={bytes:new Uint8Array(t.bytes),width:t.width,height:t.height,stride:t.stride,format:t.format,tag:t.tag};this._templateName||(this._templateName=this._currentSettings.CaptureVisionTemplates[0].Name);const i=await this.capture(e,this._templateName);i.originalImageTag=t.tag;const n={originalImageHashId:i.originalImageHashId,originalImageTag:i.originalImageTag,errorCode:i.errorCode,errorString:i.errorString};for(let t of Ht(this,me,"f"))if(t.isDce)t.onCapturedResultReceived(i,{isDetectVerifyOpen:!1,isNormalizeVerifyOpen:!1,isBarcodeVerifyOpen:!1,isLabelVerifyOpen:!1});else{for(let e in he){const r=e,s=he[r];t[s.reveiver]&&i[r]&&t[s.reveiver](Object.assign(Object.assign({},n),{[r]:i[r]}))}t.onCapturedResultReceived&&t.onCapturedResultReceived(i)}}setInput(t){if(Se(this),t){if(Xt(this,ce,t,"f"),t.isCameraEnhancer){Ht(this,fe,"f")&&(Ht(this,ce,"f")._intermediateResultReceiver.isDce=!0,Ht(this,fe,"f").addResultReceiver(Ht(this,ce,"f")._intermediateResultReceiver));const t=Ht(this,ce,"f").getCameraView();if(t){const e=t._capturedResultReceiver;e.isDce=!0,Ht(this,me,"f").add(e)}}}else Xt(this,ce,null,"f")}getInput(){return Ht(this,ce,"f")}addImageSourceStateListener(t){if(Se(this),"object"!=typeof t)return console.warn("Invalid ISA state listener.");t&&Object.keys(t)&&Ht(this,pe,"f").add(t)}removeImageSourceStateListener(t){return Se(this),Ht(this,pe,"f").delete(t)}addResultReceiver(t){if(Se(this),"object"!=typeof t)throw new Error("Invalid receiver.");t&&Object.keys(t).length&&(Ht(this,me,"f").add(t),this._setCrrRegistry())}removeResultReceiver(t){Se(this),Ht(this,me,"f").delete(t),this._setCrrRegistry()}async _setCrrRegistry(){const t={onCapturedResultReceived:!1,onDecodedBarcodesReceived:!1,onRecognizedTextLinesReceived:!1,onDetectedQuadsReceived:!1,onNormalizedImagesReceived:!1,onParsedResultsReceived:!1};for(let e of Ht(this,me,"f"))e.isDce||(t.onCapturedResultReceived=!!e.onCapturedResultReceived,t.onDecodedBarcodesReceived=!!e.onDecodedBarcodesReceived,t.onRecognizedTextLinesReceived=!!e.onRecognizedTextLinesReceived,t.onDetectedQuadsReceived=!!e.onDetectedQuadsReceived,t.onNormalizedImagesReceived=!!e.onNormalizedImagesReceived,t.onParsedResultsReceived=!!e.onParsedResultsReceived);const e=new Zt;let i=at();return ht[i]=async t=>{if(t.success)e.resolve();else{let i=new Error(t.message);i.stack=t.stack+"\n"+i.stack,e.reject()}},st.postMessage({type:"cvr_setCrrRegistry",id:i,instanceID:this._instanceID,body:{receiver:JSON.stringify(t)}}),e}async addResultFilter(t){if(Se(this),!t||"object"!=typeof t||!Object.keys(t).length)return console.warn("Invalid filter.");Ht(this,_e,"f").add(t),t._dynamsoft(),await this._handleFilterUpdate()}async removeResultFilter(t){Se(this),Ht(this,_e,"f").delete(t),await this._handleFilterUpdate()}async _handleFilterUpdate(){if(Ht(this,fe,"f").removeResultReceiver(Te),0===Ht(this,_e,"f").size){this._isOpenBarcodeVerify=!1,this._isOpenLabelVerify=!1,this._isOpenDetectVerify=!1,this._isOpenNormalizeVerify=!1;const t={[yt.CRIT_BARCODE]:!1,[yt.CRIT_TEXT_LINE]:!1,[yt.CRIT_DETECTED_QUAD]:!1,[yt.CRIT_NORMALIZED_IMAGE]:!1},e={[yt.CRIT_BARCODE]:!1,[yt.CRIT_TEXT_LINE]:!1,[yt.CRIT_DETECTED_QUAD]:!1,[yt.CRIT_NORMALIZED_IMAGE]:!1};return await Ie(this,t),void await xe(this,e)}for(let t of Ht(this,_e,"f")){if(this._isOpenBarcodeVerify=t.isResultCrossVerificationEnabled(yt.CRIT_BARCODE),this._isOpenLabelVerify=t.isResultCrossVerificationEnabled(yt.CRIT_TEXT_LINE),this._isOpenDetectVerify=t.isResultCrossVerificationEnabled(yt.CRIT_DETECTED_QUAD),this._isOpenNormalizeVerify=t.isResultCrossVerificationEnabled(yt.CRIT_NORMALIZED_IMAGE),t.isLatestOverlappingEnabled(yt.CRIT_BARCODE)){[...Ht(this,fe,"f")._intermediateResultReceiverSet.values()].find((t=>t.isFilter))||Ht(this,fe,"f").addResultReceiver(Te)}await Ie(this,t.verificationEnabled),await xe(this,t.duplicateFilterEnabled),await Oe(this,t.duplicateForgetTime)}}async startCapturing(t){var e,i;if(Se(this),!this._isPauseScan)return;if(!Ht(this,ce,"f"))throw new Error("'ImageSourceAdapter' is not set. call 'setInput' before 'startCapturing'");t||(t=be._defaultTemplate);const n=await this.containsTask(t);await _t(n);for(let t of Ht(this,_e,"f"))await this.addResultFilter(t);if(n.includes("dlr")&&!(null===(e=gt.dlr)||void 0===e?void 0:e.bLoadConfusableCharsData)){const t=L(vt.engineResourcePaths);await(null===(i=gt.dlr)||void 0===i?void 0:i.loadRecognitionData("ConfusableChars",t.dlr))}if(Ht(this,ce,"f").isCameraEnhancer&&(n.includes("ddn")?Ht(this,ce,"f").setPixelFormat(a.IPF_ABGR_8888):Ht(this,ce,"f").setPixelFormat(a.IPF_GRAYSCALED)),void 0!==Ht(this,ce,"f").singleFrameMode&&"disabled"!==Ht(this,ce,"f").singleFrameMode)return this._templateName=t,void Ht(this,ce,"f").on("singleFrameAcquired",this._singleFrameModeCallbackBind);return Ht(this,ce,"f").getColourChannelUsageType()===o.CCUT_AUTO&&Ht(this,ce,"f").setColourChannelUsageType(n.includes("ddn")?o.CCUT_FULL_CHANNEL:o.CCUT_Y_CHANNEL_ONLY),Ht(this,de,"f")&&Ht(this,de,"f").isPending?Ht(this,de,"f"):(Xt(this,de,new Zt(((e,i)=>{if(this.disposed)return;let n=at();ht[n]=async n=>{if(Ht(this,de,"f")&&!Ht(this,de,"f").isFulfilled){if(!n.success){let t=new Error(n.message);return t.stack=n.stack+"\n"+t.stack,i(t)}this._isPauseScan=!1,this._isOutputOriginalImage=n.isOutputOriginalImage,this._loopReadVideoTimeoutId&&clearTimeout(this._loopReadVideoTimeoutId),this._loopReadVideoTimeoutId=setTimeout((async()=>{-1!==this._minImageCaptureInterval&&Ht(this,ce,"f").startFetching(),this._loopReadVideo(t),e()}),0)}},st.postMessage({type:"cvr_startCapturing",id:n,instanceID:this._instanceID,body:{templateName:t}})})),"f"),await Ht(this,de,"f"))}stopCapturing(){Se(this),Ht(this,ce,"f")&&(Ht(this,ce,"f").isCameraEnhancer&&void 0!==Ht(this,ce,"f").singleFrameMode&&"disabled"!==Ht(this,ce,"f").singleFrameMode?Ht(this,ce,"f").off("singleFrameAcquired",this._singleFrameModeCallbackBind):(!async function(t){let e=at();const i=new Zt;ht[e]=async t=>{if(t.success)return i.resolve();{let e=new Error(t.message);return e.stack=t.stack+"\n"+e.stack,i.reject(e)}},st.postMessage({type:"cvr_clearVerifyList",id:e,instanceID:t._instanceID})}(this),Ht(this,ce,"f").stopFetching(),this._averageProcessintTimeArray=[],this._averageTime=999,this._isPauseScan=!0,Xt(this,de,null,"f"),Ht(this,ce,"f").setColourChannelUsageType(o.CCUT_AUTO)))}async containsTask(t){return Se(this),await new Promise(((e,i)=>{let n=at();ht[n]=async t=>{if(t.success)return e(JSON.parse(t.tasks));{let e=new Error(t.message);return e.stack=t.stack+"\n"+e.stack,i(e)}},st.postMessage({type:"cvr_containsTask",id:n,instanceID:this._instanceID,body:{templateName:t}})}))}async _loopReadVideo(t){if(this.disposed||this._isPauseScan)return;if(Xt(this,ye,!0,"f"),Ht(this,ce,"f").isBufferEmpty())if(Ht(this,ce,"f").hasNextImageToFetch())for(let t of Ht(this,pe,"f"))t.onImageSourceStateReceived&&t.onImageSourceStateReceived(le.ISS_BUFFER_EMPTY);else if(!Ht(this,ce,"f").hasNextImageToFetch())for(let t of Ht(this,pe,"f"))t.onImageSourceStateReceived&&t.onImageSourceStateReceived(le.ISS_EXHAUSTED);if(-1===this._minImageCaptureInterval||Ht(this,ce,"f").isBufferEmpty())try{Ht(this,ce,"f").isBufferEmpty()&&be._onLog&&be._onLog("buffer is empty so fetch image"),be._onLog&&be._onLog(`DCE: start fetching a frame: ${Date.now()}`),this._dsImage=Ht(this,ce,"f").fetchImage(),be._onLog&&be._onLog(`DCE: finish fetching a frame: ${Date.now()}`),Ht(this,ce,"f").setImageFetchInterval(this._averageTime)}catch(e){return void this._reRunCurrnetFunc(t)}else if(Ht(this,ce,"f").setImageFetchInterval(this._averageTime-(this._dsImage&&this._dsImage.tag?this._dsImage.tag.timeSpent:0)),this._dsImage=Ht(this,ce,"f").getImage(),this._dsImage.tag&&Date.now()-this._dsImage.tag.timeStamp>200)return void this._reRunCurrnetFunc(t);if(!this._dsImage)return void this._reRunCurrnetFunc(t);for(let t of Ht(this,me,"f"))this._isOutputOriginalImage&&t.onOriginalImageResultReceived&&t.onOriginalImageResultReceived({imageData:this._dsImage});const e=Date.now();this._captureDsimage(this._dsImage,t).then((async i=>{if(be._onLog&&be._onLog("no js handle time: "+(Date.now()-e)),this._isPauseScan)return void this._reRunCurrnetFunc(t);i.originalImageTag=this._dsImage.tag?this._dsImage.tag:null;const n={originalImageHashId:i.originalImageHashId,originalImageTag:i.originalImageTag,errorCode:i.errorCode,errorString:i.errorString};for(let t of Ht(this,me,"f"))if(t.isDce){const e=Date.now();if(t.onCapturedResultReceived(i,{isDetectVerifyOpen:this._isOpenDetectVerify,isNormalizeVerifyOpen:this._isOpenNormalizeVerify,isBarcodeVerifyOpen:this._isOpenBarcodeVerify,isLabelVerifyOpen:this._isOpenLabelVerify}),be._onLog){const t=Date.now()-e;t>10&&be._onLog(`draw result time: ${t}`)}}else{for(let e in he){const r=e,s=he[r];t[s.reveiver],t[s.reveiver]&&i[r]&&t[s.reveiver](Object.assign(Object.assign({},n),{[r]:i[r].filter((t=>!s.isNeedFilter||!t.isFilter))})),i[r]&&(i[r]=i[r].filter((t=>!s.isNeedFilter||!t.isFilter)))}t.onCapturedResultReceived&&(i.items=i.items.filter((t=>[yt.CRIT_DETECTED_QUAD,yt.CRIT_NORMALIZED_IMAGE].includes(t.type)||!t.isFilter)),t.onCapturedResultReceived(i))}const r=Date.now();if(this._minImageCaptureInterval>-1&&(5===this._averageProcessintTimeArray.length&&this._averageProcessintTimeArray.shift(),5===this._averageFetchImageTimeArray.length&&this._averageFetchImageTim