dynamsoft-mrz-scanner/dist/mrz-scanner.bundle.mjs

Dynamsoft MRZ Scanner JavaScript Edition is a ready-to-use SDK for web applications that accurately recognizes and parses Machine-Readable Zones on Machine-Readable Travel Documents.

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t=>{t.success?(i._instanceID=t.instanceID,i._currentSettings=JSON.parse(JSON.parse(t.outputSettings).data),ee._version=`3.0.60-dev-20250812165839(Worker: ${At.cvr.worker}, Wasm: ${t.version})`,jt(i,pe,!0),jt(i,oe,i.getIntermediateResultManager()),jt(i,pe,!1),n.resolve(i)):Re({message:t.message,rj:n.reject,stack:t.stack,functionName:"createInstance"})},Et.postMessage({type:"cvr_createInstance",id:r,body:{loadPresetTemplates:e,itemCountRecord:localStorage.getItem("dynamsoft")}}),n}static async appendModelBuffer(t,e){return await Ft.loadWasm(),await new Promise((i,n)=>{let r=Tt();const s=D(Ft.engineResourcePaths);let a;bt[r]=async t=>{if(t.success){const e=JSON.parse(t.response);return 0!==e.errorCode&&Re({message:e.errorString?e.errorString:"Append Model Buffer 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Bt(this,he,"f"))t.isDce?t.onCapturedResultReceived(i,{isDetectVerifyOpen:!1,isNormalizeVerifyOpen:!1,isBarcodeVerifyOpen:!1,isLabelVerifyOpen:!1}):Bt(this,ne,"m",Ce).call(this,t,i)}setInput(t){if(xe(this),!t)return Bt(this,ve,"f")&&(Bt(this,oe,"f").removeResultReceiver(Bt(this,ve,"f")),jt(this,ve,null)),Bt(this,ye,"f")&&(Bt(this,he,"f").delete(Bt(this,ye,"f")),jt(this,ye,null)),void jt(this,re,null);if(jt(this,re,t),t.isCameraEnhancer){Bt(this,oe,"f")&&(Bt(this,re,"f")._intermediateResultReceiver.isDce=!0,Bt(this,oe,"f").addResultReceiver(Bt(this,re,"f")._intermediateResultReceiver),jt(this,ve,Bt(this,re,"f")._intermediateResultReceiver));const t=Bt(this,re,"f").getCameraView();if(t){const e=t._capturedResultReceiver;e.isDce=!0,Bt(this,he,"f").add(e),jt(this,ye,e)}}}getInput(){return Bt(this,re,"f")}addImageSourceStateListener(t){if(xe(this),"object"!=typeof t)return console.warn("Invalid ISA state 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t=>{t.success?e.resolve():Re({message:t.message,rj:e.reject,stack:t.stack,functionName:"addResultReceiver"})},Et.postMessage({type:"cvr_setCrrRegistry",id:i,instanceID:this._instanceID,body:{receiver:JSON.stringify(t)}}),e}async addResultFilter(t){if(xe(this),!t||"object"!=typeof t||!Object.keys(t).length)return console.warn("Invalid filter.");Bt(this,de,"f").add(t),t._dynamsoft(),await this._handleFilterUpdate()}async removeResultFilter(t){xe(this),Bt(this,de,"f").delete(t),await this._handleFilterUpdate()}async _handleFilterUpdate(){if(Bt(this,oe,"f").removeResultReceiver(Oe),0===Bt(this,de,"f").size){this._isOpenBarcodeVerify=!1,this._isOpenLabelVerify=!1,this._isOpenDetectVerify=!1,this._isOpenNormalizeVerify=!1;const t={[nt.CRIT_BARCODE]:!1,[nt.CRIT_TEXT_LINE]:!1,[nt.CRIT_DETECTED_QUAD]:!1,[nt.CRIT_DESKEWED_IMAGE]:!1},e={[nt.CRIT_BARCODE]:!1,[nt.CRIT_TEXT_LINE]:!1,[nt.CRIT_DETECTED_QUAD]:!1,[nt.CRIT_DESKEWED_IMAGE]:!1};return await Bt(this,ne,"m",Ee).call(this,t),void await Bt(this,ne,"m",Se).call(this,e)}for(let t of Bt(this,de,"f"))this._isOpenBarcodeVerify=t.isResultCrossVerificationEnabled(nt.CRIT_BARCODE),this._isOpenLabelVerify=t.isResultCrossVerificationEnabled(nt.CRIT_TEXT_LINE),this._isOpenDetectVerify=t.isResultCrossVerificationEnabled(nt.CRIT_DETECTED_QUAD),this._isOpenNormalizeVerify=t.isResultCrossVerificationEnabled(nt.CRIT_DESKEWED_IMAGE),t.isLatestOverlappingEnabled(nt.CRIT_BARCODE)&&([...Bt(this,oe,"f")._intermediateResultReceiverSet.values()].find(t=>t.isFilter)||Bt(this,oe,"f").addResultReceiver(Oe)),await Bt(this,ne,"m",Ee).call(this,t.verificationEnabled),await Bt(this,ne,"m",Se).call(this,t.duplicateFilterEnabled),await Bt(this,ne,"m",Te).call(this,t.duplicateForgetTime)}async startCapturing(e){if(xe(this),!this._isPauseScan)return;if(!Bt(this,re,"f"))throw new Error("'ImageSourceAdapter' is not set. call 'setInput' before 'startCapturing'");e||(e=t._defaultTemplate);const i=await this.containsTask(e);for(let t of Bt(this,de,"f"))await this.addResultFilter(t);const n=D(Ft.engineResourcePaths);return Bt(this,re,"f").isCameraEnhancer&&(i.includes("ddn")?Bt(this,re,"f").setPixelFormat(o.IPF_ABGR_8888):Bt(this,re,"f").setPixelFormat(o.IPF_GRAYSCALED)),void 0!==Bt(this,re,"f").singleFrameMode&&"disabled"!==Bt(this,re,"f").singleFrameMode?(this._templateName=e,void Bt(this,re,"f").on("singleFrameAcquired",this._singleFrameModeCallbackBind)):(Bt(this,re,"f").getColourChannelUsageType()===a.CCUT_AUTO&&Bt(this,re,"f").setColourChannelUsageType(i.includes("ddn")?a.CCUT_FULL_CHANNEL:a.CCUT_Y_CHANNEL_ONLY),Bt(this,ae,"f")&&Bt(this,ae,"f").isPending?Bt(this,ae,"f"):(jt(this,ae,new Gt((t,i)=>{if(this.disposed)return;let r=Tt();bt[r]=async n=>{Bt(this,ae,"f")&&!Bt(this,ae,"f").isFulfilled&&(n.success?(this._isPauseScan=!1,this._isOutputOriginalImage=n.isOutputOriginalImage,this._loopReadVideoTimeoutId&&clearTimeout(this._loopReadVideoTimeoutId),this._loopReadVideoTimeoutId=setTimeout(async()=>{-1!==this._minImageCaptureInterval&&Bt(this,re,"f").startFetching(),this._loopReadVideo(e),t()},0)):Re({message:n.message,rj:i,stack:n.stack,functionName:"startCapturing"}))},Et.postMessage({type:"cvr_startCapturing",id:r,instanceID:this._instanceID,body:{templateName:e,engineResourcePaths:n}})})),await Bt(this,ae,"f")))}stopCapturing(){xe(this),Bt(this,re,"f")&&(Bt(this,re,"f").isCameraEnhancer&&void 0!==Bt(this,re,"f").singleFrameMode&&"disabled"!==Bt(this,re,"f").singleFrameMode?Bt(this,re,"f").off("singleFrameAcquired",this._singleFrameModeCallbackBind):(Bt(this,ne,"m",be).call(this),Bt(this,re,"f").stopFetching(),this._averageProcessintTimeArray=[],this._averageTime=999,this._isPauseScan=!0,jt(this,ae,null),Bt(this,re,"f").setColourChannelUsageType(a.CCUT_AUTO)))}async containsTask(t){return xe(this),await new Promise((e,i)=>{let n=Tt();bt[n]=async t=>{if(t.success)return e(JSON.parse(t.tasks));Re({message:t.message,rj:i,stack:t.stack,functionName:"containsTask"})},Et.postMessage({type:"cvr_containsTask",id:n,instanceID:this._instanceID,body:{templateName:t}})})}async _loopReadVideo(e){if(this.disposed||this._isPauseScan)return;if(jt(this,me,!0),Bt(this,re,"f").isBufferEmpty())if(Bt(this,re,"f").hasNextImageToFetch())for(let t of Bt(this,ce,"f"))t.onImageSourceStateReceived&&t.onImageSourceStateReceived(ie.ISS_BUFFER_EMPTY);else if(!Bt(this,re,"f").hasNextImageToFetch())for(let t of Bt(this,ce,"f"))t.onImageSourceStateReceived&&t.onImageSourceStateReceived(ie.ISS_EXHAUSTED);if(-1===this._minImageCaptureInterval||Bt(this,re,"f").isBufferEmpty()&&Bt(this,re,"f").isCameraEnhancer)try{Bt(this,re,"f").isBufferEmpty()&&t._onLog&&t._onLog("buffer is empty so fetch image"),t._onLog&&t._onLog(`DCE: start fetching a frame: ${Date.now()}`),this._dsImage=Bt(this,re,"f").fetchImage(),t._onLog&&t._onLog(`DCE: finish fetching a frame: ${Date.now()}`),Bt(this,re,"f").setImageFetchInterval(this._averageTime)}catch(i){return void this._reRunCurrnetFunc(e)}else if(Bt(this,re,"f").isCameraEnhancer&&Bt(this,re,"f").setImageFetchInterval(this._averageTime-(this._dsImage&&this._dsImage.tag?this._dsImage.tag.timeSpent:0)),this._dsImage=Bt(this,re,"f").getImage(),this._dsImage&&this._dsImage.tag&&Date.now()-this._dsImage.tag.timeStamp>200)return void this._reRunCurrnetFunc(e);if(!this._dsImage)return void this._reRunCurrnetFunc(e);for(let t of Bt(this,he,"f"))this._isOutputOriginalImage&&t.onOriginalImageResultReceived&&t.onOriginalImageResultReceived({imageData:this._dsImage});const i=Date.now();this._captureDsimage(this._dsImage,e).then(async n=>{if(t._onLog&&t._onLog("no js handle time: "+(Date.now()-i)),this._isPauseScan)return void this._reRunCurrnetFunc(e);n.originalImageTag=this._dsImage.tag?this._dsImage.tag:null;for(let e of Bt(this,he,"f"))if(e.isDce){const i=Date.now();if(e.onCapturedResultReceived(n,{isDetectVerifyOpen:this._isOpenDetectVerify,isNormalizeVerifyOpen:this._isOpenNormalizeVerify,isBarcodeVerifyOpen:this._isOpenBarcodeVerify,isLabelVerifyOpen:this._isOpenLabelVerify}),t._onLog){const e=Date.now()-i;e>10&&t._onLog(`draw result time: ${e}`)}}else{for(let t of Bt(this,de,"f"))t.onDecodedBarcodesReceived(n),t.onRecognizedTextLinesReceived(n),t.onProcessedDocumentResultReceived(n);Bt(this,ne,"m",Ce).call(this,e,n)}const r=Date.now();if(this._minImageCaptureInterval>-1&&(5===this._averageProcessintTimeArray.length&&this._averageProcessintTimeArray.shift(),5===this._averageFetchImageTimeArray.length&&this._averageFetchImageTimeArray.shift(),this._averageProcessintTimeArray.push(Date.now()-i),this._averageFetchImageTimeArray.push(this._dsImage&&this._dsImage.tag?this._dsImage.tag.timeSpent:0),this._averageTime=Math.min(...this._averageProcessintTimeArray)-Math.max(...this._averageFetchImageTimeArray),this._averageTime=this._averageTime>0?this._averageTime:0,t._onLog&&(t._onLog(`minImageCaptureInterval: ${this._minImageCaptureInterval}`),t._onLog(`averageProcessintTimeArray: ${this._averageProcessintTimeArray}`),t._onLog(`averageFetchImageTimeArray: ${this._averageFetchImageTimeArray}`),t._onLog(`averageTime: ${this._averageTime}`))),t._onLog){const e=Date.now()-r;e>10&&t._onLog(`fetch image calculate time: ${e}`)}t._onLog&&t._onLog(`time finish decode: ${Date.now()}`),t._onLog&&t._onLog("main time: "+(Date.now()-i)),t._onLog&&t._onLog("===================================================="),this._loopReadVideoTimeoutId&&clearTimeout(this._loopReadVideoTimeoutId),this._minImageCaptureInterval>0&&this._minImageCaptureInterval>=this._averageTime?this._loopReadVideoTimeoutId=setTimeout(()=>{this._loopReadVideo(e)},this._minImageCaptureInterval-this._averageTime):this._loopReadVideoTimeoutId=setTimeout(()=>{this._loopReadVideo(e)},Math.max(this._minImageCaptureInterval,0))}).catch(t=>{Bt(this,re,"f").stopFetching(),"platform error"!==t.message&&(t.errorCode&&0===t.errorCode&&(this._loopReadVideoTimeoutId&&clearTimeout(this._loopReadVideoTimeoutId),this._loopReadVideoTimeoutId=setTimeout(()=>{Bt(this,re,"f").startFetching(),this._loopReadVideo(e)},Math.max(this._minImageCaptureInterval,1e3))),setTimeout(()=>{if(!this.onCaptureError)throw t;this.onCaptureError(t)},0))})}_reRunCurrnetFunc(t){this._loopReadVideoTimeoutId&&clearTimeout(this._loopReadVideoTimeoutId),this._loopReadVideoTimeoutId=setTimeout(()=>{this._loopReadVideo(t)},0)}async capture(e,i){let n;if(xe(this),i||(i=t._defaultTemplate),jt(this,me,!1),w(e))n=await this._captureDsimage(e,i);else if("string"==typeof e)n="data:image/"==e.substring(0,11)?await this._captureBase64(e,i):await this._captureUrl(e,i);else if(e instanceof Blob)n=await this._captureBlob(e,i);else if(e instanceof HTMLImageElement)n=await this._captureImage(e,i);else if(e instanceof HTMLCanvasElement)n=await this._captureCanvas(e,i);else{if(!(e instanceof HTMLVideoElement))throw new TypeError("'capture(imageOrFile, templateName)': Type of 'imageOrFile' should be 'DSImageData', 'Url', 'Base64', 'Blob', 'HTMLImageElement', 'HTMLCanvasElement', 'HTMLVideoElement'.");n=await this._captureVideo(e,i)}return n}async _captureDsimage(t,e){return await this._captureInWorker(t,e)}async _captureUrl(t,e){let i=await R(t,"blob");return await this._captureBlob(i,e)}async _captureBase64(t,e){t=t.substring(t.indexOf(",")+1);let i=atob(t),n=i.length,r=new Uint8Array(n);for(;n--;)r[n]=i.charCodeAt(n);return await this._captureBlob(new Blob([r]),e)}async _captureBlob(t,e){let i=null,n=null;if("undefined"!=typeof createImageBitmap)try{i=await createImageBitmap(t)}catch(t){}i||(n=await async function(e){return await new Promise((i,n)=>{let r=URL.createObjectURL(e),s=new Image;s.src=r,s.onload=()=>{URL.revokeObjec