| 1 |
- {"ast":null,"code":"/* eslint-disable @typescript-eslint/naming-convention */\nimport { WebRequest } from \"./webRequest.js\";\nimport { IsWindowObjectExist } from \"./domManagement.js\";\nimport { Observable } from \"./observable.js\";\nimport { FilesInputStore } from \"./filesInputStore.js\";\nimport { RetryStrategy } from \"./retryStrategy.js\";\nimport { BaseError, ErrorCodes, RuntimeError } from \"./error.js\";\nimport { DecodeBase64ToBinary, DecodeBase64ToString, EncodeArrayBufferToBase64 } from \"./stringTools.js\";\nimport { _functionContainer } from \"../Engines/Processors/shaderProcessor.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { Logger } from \"./logger.js\";\nimport { TimingTools } from \"./timingTools.js\";\nimport { EngineFunctionContext } from \"../Engines/abstractEngine.functions.js\";\nimport { AbstractEngine } from \"../Engines/abstractEngine.js\";\nconst Base64DataUrlRegEx = new RegExp(/^data:([^,]+\\/[^,]+)?;base64,/i);\n/** @ignore */\nexport class LoadFileError extends RuntimeError {\n /**\n * Creates a new LoadFileError\n * @param message defines the message of the error\n * @param object defines the optional web request\n */\n constructor(message, object) {\n super(message, ErrorCodes.LoadFileError);\n this.name = \"LoadFileError\";\n BaseError._setPrototypeOf(this, LoadFileError.prototype);\n if (object instanceof WebRequest) {\n this.request = object;\n } else {\n this.file = object;\n }\n }\n}\n/** @ignore */\nexport class RequestFileError extends RuntimeError {\n /**\n * Creates a new LoadFileError\n * @param message defines the message of the error\n * @param request defines the optional web request\n */\n constructor(message, request) {\n super(message, ErrorCodes.RequestFileError);\n this.request = request;\n this.name = \"RequestFileError\";\n BaseError._setPrototypeOf(this, RequestFileError.prototype);\n }\n}\n/** @ignore */\nexport class ReadFileError extends RuntimeError {\n /**\n * Creates a new ReadFileError\n * @param message defines the message of the error\n * @param file defines the optional file\n */\n constructor(message, file) {\n super(message, ErrorCodes.ReadFileError);\n this.file = file;\n this.name = \"ReadFileError\";\n BaseError._setPrototypeOf(this, ReadFileError.prototype);\n }\n}\n/**\n * Removes unwanted characters from an url\n * @param url defines the url to clean\n * @returns the cleaned url\n */\nconst CleanUrl = url => {\n url = url.replace(/#/gm, \"%23\");\n return url;\n};\n/**\n * @internal\n */\nexport const FileToolsOptions = {\n /**\n * Gets or sets the retry strategy to apply when an error happens while loading an asset.\n * When defining this function, return the wait time before trying again or return -1 to\n * stop retrying and error out.\n */\n DefaultRetryStrategy: RetryStrategy.ExponentialBackoff(),\n /**\n * Gets or sets the base URL to use to load assets\n */\n BaseUrl: \"\",\n /**\n * Default behaviour for cors in the application.\n * It can be a string if the expected behavior is identical in the entire app.\n * Or a callback to be able to set it per url or on a group of them (in case of Video source for instance)\n */\n CorsBehavior: \"anonymous\",\n /**\n * Gets or sets a function used to pre-process url before using them to load assets\n * @param url\n * @returns the processed url\n */\n PreprocessUrl: url => url,\n /**\n * Gets or sets the base URL to use to load scripts\n * Used for both JS and WASM\n */\n ScriptBaseUrl: \"\",\n /**\n * Gets or sets a function used to pre-process script url before using them to load.\n * Used for both JS and WASM\n * @param url defines the url to process\n * @returns the processed url\n */\n ScriptPreprocessUrl: url => url,\n /**\n * Gets or sets a function used to clean the url before using it to load assets\n * @param url defines the url to clean\n * @returns the cleaned url\n */\n CleanUrl\n};\n/**\n * Sets the cors behavior on a dom element. This will add the required Tools.CorsBehavior to the element.\n * @param url define the url we are trying\n * @param element define the dom element where to configure the cors policy\n * @internal\n */\nexport const SetCorsBehavior = (url, element) => {\n if (url && url.indexOf(\"data:\") === 0) {\n return;\n }\n if (FileToolsOptions.CorsBehavior) {\n if (typeof FileToolsOptions.CorsBehavior === \"string\" || FileToolsOptions.CorsBehavior instanceof String) {\n element.crossOrigin = FileToolsOptions.CorsBehavior;\n } else {\n const result = FileToolsOptions.CorsBehavior(url);\n if (result) {\n element.crossOrigin = result;\n }\n }\n }\n};\n/**\n * Configuration used to load images\n * @see #DKMEZK#2\n */\nexport const LoadImageConfiguration = {\n getRequiredSize: null\n};\n/**\n * Loads an image as an HTMLImageElement.\n * @param input url string, ArrayBuffer, or Blob to load\n * @param onLoad callback called when the image successfully loads\n * @param onError callback called when the image fails to load\n * @param offlineProvider offline provider for caching\n * @param mimeType optional mime type\n * @param imageBitmapOptions\n * @returns the HTMLImageElement of the loaded image\n * @internal\n */\nexport const LoadImage = (input, onLoad, onError, offlineProvider, mimeType = \"\", imageBitmapOptions) => {\n const engine = EngineStore.LastCreatedEngine;\n if (typeof HTMLImageElement === \"undefined\" && !(engine !== null && engine !== void 0 && engine._features.forceBitmapOverHTMLImageElement)) {\n onError(\"LoadImage is only supported in web or BabylonNative environments.\");\n return null;\n }\n let url;\n let usingObjectURL = false;\n if (input instanceof ArrayBuffer || ArrayBuffer.isView(input)) {\n if (typeof Blob !== \"undefined\" && typeof URL !== \"undefined\") {\n url = URL.createObjectURL(new Blob([input], {\n type: mimeType\n }));\n usingObjectURL = true;\n } else {\n url = `data:${mimeType};base64,` + EncodeArrayBufferToBase64(input);\n }\n } else if (input instanceof Blob) {\n url = URL.createObjectURL(input);\n usingObjectURL = true;\n } else {\n url = FileToolsOptions.CleanUrl(input);\n url = FileToolsOptions.PreprocessUrl(url);\n }\n const onErrorHandler = exception => {\n if (onError) {\n const inputText = url || input.toString();\n onError(`Error while trying to load image: ${inputText.indexOf(\"http\") === 0 || inputText.length <= 128 ? inputText : inputText.slice(0, 128) + \"...\"}`, exception);\n }\n };\n if (engine !== null && engine !== void 0 && engine._features.forceBitmapOverHTMLImageElement) {\n LoadFile(url, data => {\n engine.createImageBitmap(new Blob([data], {\n type: mimeType\n }), {\n premultiplyAlpha: \"none\",\n ...imageBitmapOptions\n }).then(imgBmp => {\n onLoad(imgBmp);\n if (usingObjectURL) {\n URL.revokeObjectURL(url);\n }\n }).catch(reason => {\n if (onError) {\n onError(\"Error while trying to load image: \" + input, reason);\n }\n });\n }, undefined, offlineProvider || undefined, true, (request, exception) => {\n onErrorHandler(exception);\n });\n return null;\n }\n const img = new Image();\n if (LoadImageConfiguration.getRequiredSize) {\n const size = LoadImageConfiguration.getRequiredSize(input);\n if (size.width) {\n img.width = size.width;\n }\n if (size.height) {\n img.height = size.height;\n }\n }\n SetCorsBehavior(url, img);\n const handlersList = [];\n const loadHandlersList = () => {\n handlersList.forEach(handler => {\n handler.target.addEventListener(handler.name, handler.handler);\n });\n };\n const unloadHandlersList = () => {\n handlersList.forEach(handler => {\n handler.target.removeEventListener(handler.name, handler.handler);\n });\n handlersList.length = 0;\n };\n const loadHandler = () => {\n unloadHandlersList();\n onLoad(img);\n // Must revoke the URL after calling onLoad to avoid security exceptions in\n // certain scenarios (e.g. when hosted in vscode).\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n };\n const errorHandler = err => {\n unloadHandlersList();\n onErrorHandler(err);\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n };\n const cspHandler = err => {\n if (err.blockedURI !== img.src || err.disposition === \"report\") {\n return;\n }\n unloadHandlersList();\n const cspException = new Error(`CSP violation of policy ${err.effectiveDirective} ${err.blockedURI}. Current policy is ${err.originalPolicy}`);\n EngineStore.UseFallbackTexture = false;\n onErrorHandler(cspException);\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n img.src = \"\";\n };\n handlersList.push({\n target: img,\n name: \"load\",\n handler: loadHandler\n });\n handlersList.push({\n target: img,\n name: \"error\",\n handler: errorHandler\n });\n handlersList.push({\n target: document,\n name: \"securitypolicyviolation\",\n handler: cspHandler\n });\n loadHandlersList();\n const fromBlob = url.substring(0, 5) === \"blob:\";\n const fromData = url.substring(0, 5) === \"data:\";\n const noOfflineSupport = () => {\n if (fromBlob || fromData || !WebRequest.IsCustomRequestAvailable) {\n img.src = url;\n } else {\n LoadFile(url, (data, _, contentType) => {\n const type = !mimeType && contentType ? contentType : mimeType;\n const blob = new Blob([data], {\n type\n });\n const url = URL.createObjectURL(blob);\n usingObjectURL = true;\n img.src = url;\n }, undefined, offlineProvider || undefined, true, (_request, exception) => {\n onErrorHandler(exception);\n });\n }\n };\n const loadFromOfflineSupport = () => {\n if (offlineProvider) {\n offlineProvider.loadImage(url, img);\n }\n };\n if (!fromBlob && !fromData && offlineProvider && offlineProvider.enableTexturesOffline) {\n offlineProvider.open(loadFromOfflineSupport, noOfflineSupport);\n } else {\n if (url.indexOf(\"file:\") !== -1) {\n const textureName = decodeURIComponent(url.substring(5).toLowerCase());\n if (FilesInputStore.FilesToLoad[textureName] && typeof URL !== \"undefined\") {\n try {\n let blobURL;\n try {\n blobURL = URL.createObjectURL(FilesInputStore.FilesToLoad[textureName]);\n } catch (ex) {\n // Chrome doesn't support oneTimeOnly parameter\n blobURL = URL.createObjectURL(FilesInputStore.FilesToLoad[textureName]);\n }\n img.src = blobURL;\n usingObjectURL = true;\n } catch (e) {\n img.src = \"\";\n }\n return img;\n }\n }\n noOfflineSupport();\n }\n return img;\n};\n/**\n * Reads a file from a File object\n * @param file defines the file to load\n * @param onSuccess defines the callback to call when data is loaded\n * @param onProgress defines the callback to call during loading process\n * @param useArrayBuffer defines a boolean indicating that data must be returned as an ArrayBuffer\n * @param onError defines the callback to call when an error occurs\n * @returns a file request object\n * @internal\n */\nexport const ReadFile = (file, onSuccess, onProgress, useArrayBuffer, onError) => {\n const reader = new FileReader();\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => reader.abort()\n };\n reader.onloadend = () => fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n if (onError) {\n reader.onerror = () => {\n onError(new ReadFileError(`Unable to read ${file.name}`, file));\n };\n }\n reader.onload = e => {\n //target doesn't have result from ts 1.3\n onSuccess(e.target[\"result\"]);\n };\n if (onProgress) {\n reader.onprogress = onProgress;\n }\n if (!useArrayBuffer) {\n // Asynchronous read\n reader.readAsText(file);\n } else {\n reader.readAsArrayBuffer(file);\n }\n return fileRequest;\n};\n/**\n * Loads a file from a url, a data url, or a file url\n * @param fileOrUrl file, url, data url, or file url to load\n * @param onSuccess callback called when the file successfully loads\n * @param onProgress callback called while file is loading (if the server supports this mode)\n * @param offlineProvider defines the offline provider for caching\n * @param useArrayBuffer defines a boolean indicating that date must be returned as ArrayBuffer\n * @param onError callback called when the file fails to load\n * @param onOpened\n * @returns a file request object\n * @internal\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport const LoadFile = (fileOrUrl, onSuccess, onProgress, offlineProvider, useArrayBuffer, onError, onOpened) => {\n if (fileOrUrl.name) {\n return ReadFile(fileOrUrl, onSuccess, onProgress, useArrayBuffer, onError ? error => {\n onError(undefined, error);\n } : undefined);\n }\n const url = fileOrUrl;\n // If file and file input are set\n if (url.indexOf(\"file:\") !== -1) {\n let fileName = decodeURIComponent(url.substring(5).toLowerCase());\n if (fileName.indexOf(\"./\") === 0) {\n fileName = fileName.substring(2);\n }\n const file = FilesInputStore.FilesToLoad[fileName];\n if (file) {\n return ReadFile(file, onSuccess, onProgress, useArrayBuffer, onError ? error => onError(undefined, new LoadFileError(error.message, error.file)) : undefined);\n }\n }\n // For a Base64 Data URL\n const {\n match,\n type\n } = TestBase64DataUrl(url);\n if (match) {\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => () => {}\n };\n try {\n const data = useArrayBuffer ? DecodeBase64UrlToBinary(url) : DecodeBase64UrlToString(url);\n onSuccess(data, undefined, type);\n } catch (error) {\n if (onError) {\n onError(undefined, error);\n } else {\n Logger.Error(error.message || \"Failed to parse the Data URL\");\n }\n }\n TimingTools.SetImmediate(() => {\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n });\n return fileRequest;\n }\n return RequestFile(url, (data, request) => {\n onSuccess(data, request === null || request === void 0 ? void 0 : request.responseURL, request === null || request === void 0 ? void 0 : request.getResponseHeader(\"content-type\"));\n }, onProgress, offlineProvider, useArrayBuffer, onError ? error => {\n onError(error.request, new LoadFileError(error.message, error.request));\n } : undefined, onOpened);\n};\n/**\n * Loads a file from a url\n * @param url url to load\n * @param onSuccess callback called when the file successfully loads\n * @param onProgress callback called while file is loading (if the server supports this mode)\n * @param offlineProvider defines the offline provider for caching\n * @param useArrayBuffer defines a boolean indicating that date must be returned as ArrayBuffer\n * @param onError callback called when the file fails to load\n * @param onOpened callback called when the web request is opened\n * @returns a file request object\n * @internal\n */\nexport const RequestFile = (url, onSuccess, onProgress, offlineProvider, useArrayBuffer, onError, onOpened) => {\n url = FileToolsOptions.CleanUrl(url);\n url = FileToolsOptions.PreprocessUrl(url);\n const loadUrl = FileToolsOptions.BaseUrl + url;\n let aborted = false;\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => aborted = true\n };\n const requestFile = () => {\n let request = new WebRequest();\n let retryHandle = null;\n let onReadyStateChange;\n const unbindEvents = () => {\n if (!request) {\n return;\n }\n if (onProgress) {\n request.removeEventListener(\"progress\", onProgress);\n }\n if (onReadyStateChange) {\n request.removeEventListener(\"readystatechange\", onReadyStateChange);\n }\n request.removeEventListener(\"loadend\", onLoadEnd);\n };\n let onLoadEnd = () => {\n unbindEvents();\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n fileRequest.onCompleteObservable.clear();\n onProgress = undefined;\n onReadyStateChange = null;\n onLoadEnd = null;\n onError = undefined;\n onOpened = undefined;\n onSuccess = undefined;\n };\n fileRequest.abort = () => {\n aborted = true;\n if (onLoadEnd) {\n onLoadEnd();\n }\n if (request && request.readyState !== (XMLHttpRequest.DONE || 4)) {\n request.abort();\n }\n if (retryHandle !== null) {\n clearTimeout(retryHandle);\n retryHandle = null;\n }\n request = null;\n };\n const handleError = error => {\n const message = error.message || \"Unknown error\";\n if (onError && request) {\n onError(new RequestFileError(message, request));\n } else {\n Logger.Error(message);\n }\n };\n const retryLoop = retryIndex => {\n if (!request) {\n return;\n }\n request.open(\"GET\", loadUrl);\n if (onOpened) {\n try {\n onOpened(request);\n } catch (e) {\n handleError(e);\n return;\n }\n }\n if (useArrayBuffer) {\n request.responseType = \"arraybuffer\";\n }\n if (onProgress) {\n request.addEventListener(\"progress\", onProgress);\n }\n if (onLoadEnd) {\n request.addEventListener(\"loadend\", onLoadEnd);\n }\n onReadyStateChange = () => {\n if (aborted || !request) {\n return;\n }\n // In case of undefined state in some browsers.\n if (request.readyState === (XMLHttpRequest.DONE || 4)) {\n // Some browsers have issues where onreadystatechange can be called multiple times with the same value.\n if (onReadyStateChange) {\n request.removeEventListener(\"readystatechange\", onReadyStateChange);\n }\n if (request.status >= 200 && request.status < 300 || request.status === 0 && (!IsWindowObjectExist() || IsFileURL())) {\n try {\n if (onSuccess) {\n onSuccess(useArrayBuffer ? request.response : request.responseText, request);\n }\n } catch (e) {\n handleError(e);\n }\n return;\n }\n const retryStrategy = FileToolsOptions.DefaultRetryStrategy;\n if (retryStrategy) {\n const waitTime = retryStrategy(loadUrl, request, retryIndex);\n if (waitTime !== -1) {\n // Prevent the request from completing for retry.\n unbindEvents();\n request = new WebRequest();\n retryHandle = setTimeout(() => retryLoop(retryIndex + 1), waitTime);\n return;\n }\n }\n const error = new RequestFileError(\"Error status: \" + request.status + \" \" + request.statusText + \" - Unable to load \" + loadUrl, request);\n if (onError) {\n onError(error);\n }\n }\n };\n request.addEventListener(\"readystatechange\", onReadyStateChange);\n request.send();\n };\n retryLoop(0);\n };\n // Caching all files\n if (offlineProvider && offlineProvider.enableSceneOffline) {\n const noOfflineSupport = request => {\n if (request && request.status > 400) {\n if (onError) {\n onError(request);\n }\n } else {\n requestFile();\n }\n };\n const loadFromOfflineSupport = () => {\n // TODO: database needs to support aborting and should return a IFileRequest\n if (offlineProvider) {\n offlineProvider.loadFile(FileToolsOptions.BaseUrl + url, data => {\n if (!aborted && onSuccess) {\n onSuccess(data);\n }\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n }, onProgress ? event => {\n if (!aborted && onProgress) {\n onProgress(event);\n }\n } : undefined, noOfflineSupport, useArrayBuffer);\n }\n };\n offlineProvider.open(loadFromOfflineSupport, noOfflineSupport);\n } else {\n requestFile();\n }\n return fileRequest;\n};\n/**\n * Checks if the loaded document was accessed via `file:`-Protocol.\n * @returns boolean\n * @internal\n */\nexport const IsFileURL = () => {\n return typeof location !== \"undefined\" && location.protocol === \"file:\";\n};\n/**\n * Test if the given uri is a valid base64 data url\n * @param uri The uri to test\n * @returns True if the uri is a base64 data url or false otherwise\n * @internal\n */\nexport const IsBase64DataUrl = uri => {\n return Base64DataUrlRegEx.test(uri);\n};\nexport const TestBase64DataUrl = uri => {\n const results = Base64DataUrlRegEx.exec(uri);\n if (results === null || results.length === 0) {\n return {\n match: false,\n type: \"\"\n };\n } else {\n const type = results[0].replace(\"data:\", \"\").replace(\"base64,\", \"\");\n return {\n match: true,\n type\n };\n }\n};\n/**\n * Decode the given base64 uri.\n * @param uri The uri to decode\n * @returns The decoded base64 data.\n * @internal\n */\nexport function DecodeBase64UrlToBinary(uri) {\n return DecodeBase64ToBinary(uri.split(\",\")[1]);\n}\n/**\n * Decode the given base64 uri into a UTF-8 encoded string.\n * @param uri The uri to decode\n * @returns The decoded base64 data.\n * @internal\n */\nexport const DecodeBase64UrlToString = uri => {\n return DecodeBase64ToString(uri.split(\",\")[1]);\n};\n/**\n * This will be executed automatically for UMD and es5.\n * If esm dev wants the side effects to execute they will have to run it manually\n * Once we build native modules those need to be exported.\n * @internal\n */\nconst initSideEffects = () => {\n AbstractEngine._FileToolsLoadImage = LoadImage;\n EngineFunctionContext.loadFile = LoadFile;\n _functionContainer.loadFile = LoadFile;\n};\ninitSideEffects();\n// deprecated\n/**\n * FileTools defined as any.\n * This should not be imported or used in future releases or in any module in the framework\n * @internal\n * @deprecated import the needed function from fileTools.ts\n */\nexport let FileTools;\n/**\n * @internal\n */\nexport const _injectLTSFileTools = (DecodeBase64UrlToBinary, DecodeBase64UrlToString, FileToolsOptions, IsBase64DataUrl, IsFileURL, LoadFile, LoadImage, ReadFile, RequestFile, SetCorsBehavior) => {\n /**\n * Backwards compatibility.\n * @internal\n * @deprecated\n */\n FileTools = {\n DecodeBase64UrlToBinary,\n DecodeBase64UrlToString,\n DefaultRetryStrategy: FileToolsOptions.DefaultRetryStrategy,\n BaseUrl: FileToolsOptions.BaseUrl,\n CorsBehavior: FileToolsOptions.CorsBehavior,\n PreprocessUrl: FileToolsOptions.PreprocessUrl,\n IsBase64DataUrl,\n IsFileURL,\n LoadFile,\n LoadImage,\n ReadFile,\n RequestFile,\n SetCorsBehavior\n };\n Object.defineProperty(FileTools, \"DefaultRetryStrategy\", {\n get: function () {\n return FileToolsOptions.DefaultRetryStrategy;\n },\n set: function (value) {\n FileToolsOptions.DefaultRetryStrategy = value;\n }\n });\n Object.defineProperty(FileTools, \"BaseUrl\", {\n get: function () {\n return FileToolsOptions.BaseUrl;\n },\n set: function (value) {\n FileToolsOptions.BaseUrl = value;\n }\n });\n Object.defineProperty(FileTools, \"PreprocessUrl\", {\n get: function () {\n return FileToolsOptions.PreprocessUrl;\n },\n set: function (value) {\n FileToolsOptions.PreprocessUrl = value;\n }\n });\n Object.defineProperty(FileTools, \"CorsBehavior\", {\n get: function () {\n return FileToolsOptions.CorsBehavior;\n },\n set: function (value) {\n FileToolsOptions.CorsBehavior = value;\n }\n });\n};\n_injectLTSFileTools(DecodeBase64UrlToBinary, DecodeBase64UrlToString, FileToolsOptions, IsBase64DataUrl, IsFileURL, LoadFile, LoadImage, ReadFile, RequestFile, SetCorsBehavior);","map":{"version":3,"names":["WebRequest","IsWindowObjectExist","Observable","FilesInputStore","RetryStrategy","BaseError","ErrorCodes","RuntimeError","DecodeBase64ToBinary","DecodeBase64ToString","EncodeArrayBufferToBase64","_functionContainer","EngineStore","Logger","TimingTools","EngineFunctionContext","AbstractEngine","Base64DataUrlRegEx","RegExp","LoadFileError","constructor","message","object","name","_setPrototypeOf","prototype","request","file","RequestFileError","ReadFileError","CleanUrl","url","replace","FileToolsOptions","DefaultRetryStrategy","ExponentialBackoff","BaseUrl","CorsBehavior","PreprocessUrl","ScriptBaseUrl","ScriptPreprocessUrl","SetCorsBehavior","element","indexOf","String","crossOrigin","result","LoadImageConfiguration","getRequiredSize","LoadImage","input","onLoad","onError","offlineProvider","mimeType","imageBitmapOptions","engine","LastCreatedEngine","HTMLImageElement","_features","forceBitmapOverHTMLImageElement","usingObjectURL","ArrayBuffer","isView","Blob","URL","createObjectURL","type","onErrorHandler","exception","inputText","toString","length","slice","LoadFile","data","createImageBitmap","premultiplyAlpha","then","imgBmp","revokeObjectURL","catch","reason","undefined","img","Image","size","width","height","handlersList","loadHandlersList","forEach","handler","target","addEventListener","unloadHandlersList","removeEventListener","loadHandler","src","errorHandler","err","cspHandler","blockedURI","disposition","cspException","Error","effectiveDirective","originalPolicy","UseFallbackTexture","push","document","fromBlob","substring","fromData","noOfflineSupport","IsCustomRequestAvailable","_","contentType","blob","_request","loadFromOfflineSupport","loadImage","enableTexturesOffline","open","textureName","decodeURIComponent","toLowerCase","FilesToLoad","blobURL","ex","e","ReadFile","onSuccess","onProgress","useArrayBuffer","reader","FileReader","fileRequest","onCompleteObservable","abort","onloadend","notifyObservers","onerror","onload","onprogress","readAsText","readAsArrayBuffer","fileOrUrl","onOpened","error","fileName","match","TestBase64DataUrl","DecodeBase64UrlToBinary","DecodeBase64UrlToString","SetImmediate","RequestFile","responseURL","getResponseHeader","loadUrl","aborted","requestFile","retryHandle","onReadyStateChange","unbindEvents","onLoadEnd","clear","readyState","XMLHttpRequest","DONE","clearTimeout","handleError","retryLoop","retryIndex","responseType","status","IsFileURL","response","responseText","retryStrategy","waitTime","setTimeout","statusText","send","enableSceneOffline","loadFile","event","location","protocol","IsBase64DataUrl","uri","test","results","exec","split","initSideEffects","_FileToolsLoadImage","FileTools","_injectLTSFileTools","Object","defineProperty","get","set","value"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Misc/fileTools.js"],"sourcesContent":["/* eslint-disable @typescript-eslint/naming-convention */\nimport { WebRequest } from \"./webRequest.js\";\nimport { IsWindowObjectExist } from \"./domManagement.js\";\nimport { Observable } from \"./observable.js\";\nimport { FilesInputStore } from \"./filesInputStore.js\";\nimport { RetryStrategy } from \"./retryStrategy.js\";\nimport { BaseError, ErrorCodes, RuntimeError } from \"./error.js\";\nimport { DecodeBase64ToBinary, DecodeBase64ToString, EncodeArrayBufferToBase64 } from \"./stringTools.js\";\nimport { _functionContainer } from \"../Engines/Processors/shaderProcessor.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { Logger } from \"./logger.js\";\nimport { TimingTools } from \"./timingTools.js\";\nimport { EngineFunctionContext } from \"../Engines/abstractEngine.functions.js\";\nimport { AbstractEngine } from \"../Engines/abstractEngine.js\";\nconst Base64DataUrlRegEx = new RegExp(/^data:([^,]+\\/[^,]+)?;base64,/i);\n/** @ignore */\nexport class LoadFileError extends RuntimeError {\n /**\n * Creates a new LoadFileError\n * @param message defines the message of the error\n * @param object defines the optional web request\n */\n constructor(message, object) {\n super(message, ErrorCodes.LoadFileError);\n this.name = \"LoadFileError\";\n BaseError._setPrototypeOf(this, LoadFileError.prototype);\n if (object instanceof WebRequest) {\n this.request = object;\n }\n else {\n this.file = object;\n }\n }\n}\n/** @ignore */\nexport class RequestFileError extends RuntimeError {\n /**\n * Creates a new LoadFileError\n * @param message defines the message of the error\n * @param request defines the optional web request\n */\n constructor(message, request) {\n super(message, ErrorCodes.RequestFileError);\n this.request = request;\n this.name = \"RequestFileError\";\n BaseError._setPrototypeOf(this, RequestFileError.prototype);\n }\n}\n/** @ignore */\nexport class ReadFileError extends RuntimeError {\n /**\n * Creates a new ReadFileError\n * @param message defines the message of the error\n * @param file defines the optional file\n */\n constructor(message, file) {\n super(message, ErrorCodes.ReadFileError);\n this.file = file;\n this.name = \"ReadFileError\";\n BaseError._setPrototypeOf(this, ReadFileError.prototype);\n }\n}\n/**\n * Removes unwanted characters from an url\n * @param url defines the url to clean\n * @returns the cleaned url\n */\nconst CleanUrl = (url) => {\n url = url.replace(/#/gm, \"%23\");\n return url;\n};\n/**\n * @internal\n */\nexport const FileToolsOptions = {\n /**\n * Gets or sets the retry strategy to apply when an error happens while loading an asset.\n * When defining this function, return the wait time before trying again or return -1 to\n * stop retrying and error out.\n */\n DefaultRetryStrategy: RetryStrategy.ExponentialBackoff(),\n /**\n * Gets or sets the base URL to use to load assets\n */\n BaseUrl: \"\",\n /**\n * Default behaviour for cors in the application.\n * It can be a string if the expected behavior is identical in the entire app.\n * Or a callback to be able to set it per url or on a group of them (in case of Video source for instance)\n */\n CorsBehavior: \"anonymous\",\n /**\n * Gets or sets a function used to pre-process url before using them to load assets\n * @param url\n * @returns the processed url\n */\n PreprocessUrl: (url) => url,\n /**\n * Gets or sets the base URL to use to load scripts\n * Used for both JS and WASM\n */\n ScriptBaseUrl: \"\",\n /**\n * Gets or sets a function used to pre-process script url before using them to load.\n * Used for both JS and WASM\n * @param url defines the url to process\n * @returns the processed url\n */\n ScriptPreprocessUrl: (url) => url,\n /**\n * Gets or sets a function used to clean the url before using it to load assets\n * @param url defines the url to clean\n * @returns the cleaned url\n */\n CleanUrl,\n};\n/**\n * Sets the cors behavior on a dom element. This will add the required Tools.CorsBehavior to the element.\n * @param url define the url we are trying\n * @param element define the dom element where to configure the cors policy\n * @internal\n */\nexport const SetCorsBehavior = (url, element) => {\n if (url && url.indexOf(\"data:\") === 0) {\n return;\n }\n if (FileToolsOptions.CorsBehavior) {\n if (typeof FileToolsOptions.CorsBehavior === \"string\" || FileToolsOptions.CorsBehavior instanceof String) {\n element.crossOrigin = FileToolsOptions.CorsBehavior;\n }\n else {\n const result = FileToolsOptions.CorsBehavior(url);\n if (result) {\n element.crossOrigin = result;\n }\n }\n }\n};\n/**\n * Configuration used to load images\n * @see #DKMEZK#2\n */\nexport const LoadImageConfiguration = {\n getRequiredSize: null,\n};\n/**\n * Loads an image as an HTMLImageElement.\n * @param input url string, ArrayBuffer, or Blob to load\n * @param onLoad callback called when the image successfully loads\n * @param onError callback called when the image fails to load\n * @param offlineProvider offline provider for caching\n * @param mimeType optional mime type\n * @param imageBitmapOptions\n * @returns the HTMLImageElement of the loaded image\n * @internal\n */\nexport const LoadImage = (input, onLoad, onError, offlineProvider, mimeType = \"\", imageBitmapOptions) => {\n const engine = EngineStore.LastCreatedEngine;\n if (typeof HTMLImageElement === \"undefined\" && !engine?._features.forceBitmapOverHTMLImageElement) {\n onError(\"LoadImage is only supported in web or BabylonNative environments.\");\n return null;\n }\n let url;\n let usingObjectURL = false;\n if (input instanceof ArrayBuffer || ArrayBuffer.isView(input)) {\n if (typeof Blob !== \"undefined\" && typeof URL !== \"undefined\") {\n url = URL.createObjectURL(new Blob([input], { type: mimeType }));\n usingObjectURL = true;\n }\n else {\n url = `data:${mimeType};base64,` + EncodeArrayBufferToBase64(input);\n }\n }\n else if (input instanceof Blob) {\n url = URL.createObjectURL(input);\n usingObjectURL = true;\n }\n else {\n url = FileToolsOptions.CleanUrl(input);\n url = FileToolsOptions.PreprocessUrl(url);\n }\n const onErrorHandler = (exception) => {\n if (onError) {\n const inputText = url || input.toString();\n onError(`Error while trying to load image: ${inputText.indexOf(\"http\") === 0 || inputText.length <= 128 ? inputText : inputText.slice(0, 128) + \"...\"}`, exception);\n }\n };\n if (engine?._features.forceBitmapOverHTMLImageElement) {\n LoadFile(url, (data) => {\n engine\n .createImageBitmap(new Blob([data], { type: mimeType }), { premultiplyAlpha: \"none\", ...imageBitmapOptions })\n .then((imgBmp) => {\n onLoad(imgBmp);\n if (usingObjectURL) {\n URL.revokeObjectURL(url);\n }\n })\n .catch((reason) => {\n if (onError) {\n onError(\"Error while trying to load image: \" + input, reason);\n }\n });\n }, undefined, offlineProvider || undefined, true, (request, exception) => {\n onErrorHandler(exception);\n });\n return null;\n }\n const img = new Image();\n if (LoadImageConfiguration.getRequiredSize) {\n const size = LoadImageConfiguration.getRequiredSize(input);\n if (size.width) {\n img.width = size.width;\n }\n if (size.height) {\n img.height = size.height;\n }\n }\n SetCorsBehavior(url, img);\n const handlersList = [];\n const loadHandlersList = () => {\n handlersList.forEach((handler) => {\n handler.target.addEventListener(handler.name, handler.handler);\n });\n };\n const unloadHandlersList = () => {\n handlersList.forEach((handler) => {\n handler.target.removeEventListener(handler.name, handler.handler);\n });\n handlersList.length = 0;\n };\n const loadHandler = () => {\n unloadHandlersList();\n onLoad(img);\n // Must revoke the URL after calling onLoad to avoid security exceptions in\n // certain scenarios (e.g. when hosted in vscode).\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n };\n const errorHandler = (err) => {\n unloadHandlersList();\n onErrorHandler(err);\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n };\n const cspHandler = (err) => {\n if (err.blockedURI !== img.src || err.disposition === \"report\") {\n return;\n }\n unloadHandlersList();\n const cspException = new Error(`CSP violation of policy ${err.effectiveDirective} ${err.blockedURI}. Current policy is ${err.originalPolicy}`);\n EngineStore.UseFallbackTexture = false;\n onErrorHandler(cspException);\n if (usingObjectURL && img.src) {\n URL.revokeObjectURL(img.src);\n }\n img.src = \"\";\n };\n handlersList.push({ target: img, name: \"load\", handler: loadHandler });\n handlersList.push({ target: img, name: \"error\", handler: errorHandler });\n handlersList.push({ target: document, name: \"securitypolicyviolation\", handler: cspHandler });\n loadHandlersList();\n const fromBlob = url.substring(0, 5) === \"blob:\";\n const fromData = url.substring(0, 5) === \"data:\";\n const noOfflineSupport = () => {\n if (fromBlob || fromData || !WebRequest.IsCustomRequestAvailable) {\n img.src = url;\n }\n else {\n LoadFile(url, (data, _, contentType) => {\n const type = !mimeType && contentType ? contentType : mimeType;\n const blob = new Blob([data], { type });\n const url = URL.createObjectURL(blob);\n usingObjectURL = true;\n img.src = url;\n }, undefined, offlineProvider || undefined, true, (_request, exception) => {\n onErrorHandler(exception);\n });\n }\n };\n const loadFromOfflineSupport = () => {\n if (offlineProvider) {\n offlineProvider.loadImage(url, img);\n }\n };\n if (!fromBlob && !fromData && offlineProvider && offlineProvider.enableTexturesOffline) {\n offlineProvider.open(loadFromOfflineSupport, noOfflineSupport);\n }\n else {\n if (url.indexOf(\"file:\") !== -1) {\n const textureName = decodeURIComponent(url.substring(5).toLowerCase());\n if (FilesInputStore.FilesToLoad[textureName] && typeof URL !== \"undefined\") {\n try {\n let blobURL;\n try {\n blobURL = URL.createObjectURL(FilesInputStore.FilesToLoad[textureName]);\n }\n catch (ex) {\n // Chrome doesn't support oneTimeOnly parameter\n blobURL = URL.createObjectURL(FilesInputStore.FilesToLoad[textureName]);\n }\n img.src = blobURL;\n usingObjectURL = true;\n }\n catch (e) {\n img.src = \"\";\n }\n return img;\n }\n }\n noOfflineSupport();\n }\n return img;\n};\n/**\n * Reads a file from a File object\n * @param file defines the file to load\n * @param onSuccess defines the callback to call when data is loaded\n * @param onProgress defines the callback to call during loading process\n * @param useArrayBuffer defines a boolean indicating that data must be returned as an ArrayBuffer\n * @param onError defines the callback to call when an error occurs\n * @returns a file request object\n * @internal\n */\nexport const ReadFile = (file, onSuccess, onProgress, useArrayBuffer, onError) => {\n const reader = new FileReader();\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => reader.abort(),\n };\n reader.onloadend = () => fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n if (onError) {\n reader.onerror = () => {\n onError(new ReadFileError(`Unable to read ${file.name}`, file));\n };\n }\n reader.onload = (e) => {\n //target doesn't have result from ts 1.3\n onSuccess(e.target[\"result\"]);\n };\n if (onProgress) {\n reader.onprogress = onProgress;\n }\n if (!useArrayBuffer) {\n // Asynchronous read\n reader.readAsText(file);\n }\n else {\n reader.readAsArrayBuffer(file);\n }\n return fileRequest;\n};\n/**\n * Loads a file from a url, a data url, or a file url\n * @param fileOrUrl file, url, data url, or file url to load\n * @param onSuccess callback called when the file successfully loads\n * @param onProgress callback called while file is loading (if the server supports this mode)\n * @param offlineProvider defines the offline provider for caching\n * @param useArrayBuffer defines a boolean indicating that date must be returned as ArrayBuffer\n * @param onError callback called when the file fails to load\n * @param onOpened\n * @returns a file request object\n * @internal\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport const LoadFile = (fileOrUrl, onSuccess, onProgress, offlineProvider, useArrayBuffer, onError, onOpened) => {\n if (fileOrUrl.name) {\n return ReadFile(fileOrUrl, onSuccess, onProgress, useArrayBuffer, onError\n ? (error) => {\n onError(undefined, error);\n }\n : undefined);\n }\n const url = fileOrUrl;\n // If file and file input are set\n if (url.indexOf(\"file:\") !== -1) {\n let fileName = decodeURIComponent(url.substring(5).toLowerCase());\n if (fileName.indexOf(\"./\") === 0) {\n fileName = fileName.substring(2);\n }\n const file = FilesInputStore.FilesToLoad[fileName];\n if (file) {\n return ReadFile(file, onSuccess, onProgress, useArrayBuffer, onError ? (error) => onError(undefined, new LoadFileError(error.message, error.file)) : undefined);\n }\n }\n // For a Base64 Data URL\n const { match, type } = TestBase64DataUrl(url);\n if (match) {\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => () => { },\n };\n try {\n const data = useArrayBuffer ? DecodeBase64UrlToBinary(url) : DecodeBase64UrlToString(url);\n onSuccess(data, undefined, type);\n }\n catch (error) {\n if (onError) {\n onError(undefined, error);\n }\n else {\n Logger.Error(error.message || \"Failed to parse the Data URL\");\n }\n }\n TimingTools.SetImmediate(() => {\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n });\n return fileRequest;\n }\n return RequestFile(url, (data, request) => {\n onSuccess(data, request?.responseURL, request?.getResponseHeader(\"content-type\"));\n }, onProgress, offlineProvider, useArrayBuffer, onError\n ? (error) => {\n onError(error.request, new LoadFileError(error.message, error.request));\n }\n : undefined, onOpened);\n};\n/**\n * Loads a file from a url\n * @param url url to load\n * @param onSuccess callback called when the file successfully loads\n * @param onProgress callback called while file is loading (if the server supports this mode)\n * @param offlineProvider defines the offline provider for caching\n * @param useArrayBuffer defines a boolean indicating that date must be returned as ArrayBuffer\n * @param onError callback called when the file fails to load\n * @param onOpened callback called when the web request is opened\n * @returns a file request object\n * @internal\n */\nexport const RequestFile = (url, onSuccess, onProgress, offlineProvider, useArrayBuffer, onError, onOpened) => {\n url = FileToolsOptions.CleanUrl(url);\n url = FileToolsOptions.PreprocessUrl(url);\n const loadUrl = FileToolsOptions.BaseUrl + url;\n let aborted = false;\n const fileRequest = {\n onCompleteObservable: new Observable(),\n abort: () => (aborted = true),\n };\n const requestFile = () => {\n let request = new WebRequest();\n let retryHandle = null;\n let onReadyStateChange;\n const unbindEvents = () => {\n if (!request) {\n return;\n }\n if (onProgress) {\n request.removeEventListener(\"progress\", onProgress);\n }\n if (onReadyStateChange) {\n request.removeEventListener(\"readystatechange\", onReadyStateChange);\n }\n request.removeEventListener(\"loadend\", onLoadEnd);\n };\n let onLoadEnd = () => {\n unbindEvents();\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n fileRequest.onCompleteObservable.clear();\n onProgress = undefined;\n onReadyStateChange = null;\n onLoadEnd = null;\n onError = undefined;\n onOpened = undefined;\n onSuccess = undefined;\n };\n fileRequest.abort = () => {\n aborted = true;\n if (onLoadEnd) {\n onLoadEnd();\n }\n if (request && request.readyState !== (XMLHttpRequest.DONE || 4)) {\n request.abort();\n }\n if (retryHandle !== null) {\n clearTimeout(retryHandle);\n retryHandle = null;\n }\n request = null;\n };\n const handleError = (error) => {\n const message = error.message || \"Unknown error\";\n if (onError && request) {\n onError(new RequestFileError(message, request));\n }\n else {\n Logger.Error(message);\n }\n };\n const retryLoop = (retryIndex) => {\n if (!request) {\n return;\n }\n request.open(\"GET\", loadUrl);\n if (onOpened) {\n try {\n onOpened(request);\n }\n catch (e) {\n handleError(e);\n return;\n }\n }\n if (useArrayBuffer) {\n request.responseType = \"arraybuffer\";\n }\n if (onProgress) {\n request.addEventListener(\"progress\", onProgress);\n }\n if (onLoadEnd) {\n request.addEventListener(\"loadend\", onLoadEnd);\n }\n onReadyStateChange = () => {\n if (aborted || !request) {\n return;\n }\n // In case of undefined state in some browsers.\n if (request.readyState === (XMLHttpRequest.DONE || 4)) {\n // Some browsers have issues where onreadystatechange can be called multiple times with the same value.\n if (onReadyStateChange) {\n request.removeEventListener(\"readystatechange\", onReadyStateChange);\n }\n if ((request.status >= 200 && request.status < 300) || (request.status === 0 && (!IsWindowObjectExist() || IsFileURL()))) {\n try {\n if (onSuccess) {\n onSuccess(useArrayBuffer ? request.response : request.responseText, request);\n }\n }\n catch (e) {\n handleError(e);\n }\n return;\n }\n const retryStrategy = FileToolsOptions.DefaultRetryStrategy;\n if (retryStrategy) {\n const waitTime = retryStrategy(loadUrl, request, retryIndex);\n if (waitTime !== -1) {\n // Prevent the request from completing for retry.\n unbindEvents();\n request = new WebRequest();\n retryHandle = setTimeout(() => retryLoop(retryIndex + 1), waitTime);\n return;\n }\n }\n const error = new RequestFileError(\"Error status: \" + request.status + \" \" + request.statusText + \" - Unable to load \" + loadUrl, request);\n if (onError) {\n onError(error);\n }\n }\n };\n request.addEventListener(\"readystatechange\", onReadyStateChange);\n request.send();\n };\n retryLoop(0);\n };\n // Caching all files\n if (offlineProvider && offlineProvider.enableSceneOffline) {\n const noOfflineSupport = (request) => {\n if (request && request.status > 400) {\n if (onError) {\n onError(request);\n }\n }\n else {\n requestFile();\n }\n };\n const loadFromOfflineSupport = () => {\n // TODO: database needs to support aborting and should return a IFileRequest\n if (offlineProvider) {\n offlineProvider.loadFile(FileToolsOptions.BaseUrl + url, (data) => {\n if (!aborted && onSuccess) {\n onSuccess(data);\n }\n fileRequest.onCompleteObservable.notifyObservers(fileRequest);\n }, onProgress\n ? (event) => {\n if (!aborted && onProgress) {\n onProgress(event);\n }\n }\n : undefined, noOfflineSupport, useArrayBuffer);\n }\n };\n offlineProvider.open(loadFromOfflineSupport, noOfflineSupport);\n }\n else {\n requestFile();\n }\n return fileRequest;\n};\n/**\n * Checks if the loaded document was accessed via `file:`-Protocol.\n * @returns boolean\n * @internal\n */\nexport const IsFileURL = () => {\n return typeof location !== \"undefined\" && location.protocol === \"file:\";\n};\n/**\n * Test if the given uri is a valid base64 data url\n * @param uri The uri to test\n * @returns True if the uri is a base64 data url or false otherwise\n * @internal\n */\nexport const IsBase64DataUrl = (uri) => {\n return Base64DataUrlRegEx.test(uri);\n};\nexport const TestBase64DataUrl = (uri) => {\n const results = Base64DataUrlRegEx.exec(uri);\n if (results === null || results.length === 0) {\n return { match: false, type: \"\" };\n }\n else {\n const type = results[0].replace(\"data:\", \"\").replace(\"base64,\", \"\");\n return { match: true, type };\n }\n};\n/**\n * Decode the given base64 uri.\n * @param uri The uri to decode\n * @returns The decoded base64 data.\n * @internal\n */\nexport function DecodeBase64UrlToBinary(uri) {\n return DecodeBase64ToBinary(uri.split(\",\")[1]);\n}\n/**\n * Decode the given base64 uri into a UTF-8 encoded string.\n * @param uri The uri to decode\n * @returns The decoded base64 data.\n * @internal\n */\nexport const DecodeBase64UrlToString = (uri) => {\n return DecodeBase64ToString(uri.split(\",\")[1]);\n};\n/**\n * This will be executed automatically for UMD and es5.\n * If esm dev wants the side effects to execute they will have to run it manually\n * Once we build native modules those need to be exported.\n * @internal\n */\nconst initSideEffects = () => {\n AbstractEngine._FileToolsLoadImage = LoadImage;\n EngineFunctionContext.loadFile = LoadFile;\n _functionContainer.loadFile = LoadFile;\n};\ninitSideEffects();\n// deprecated\n/**\n * FileTools defined as any.\n * This should not be imported or used in future releases or in any module in the framework\n * @internal\n * @deprecated import the needed function from fileTools.ts\n */\nexport let FileTools;\n/**\n * @internal\n */\nexport const _injectLTSFileTools = (DecodeBase64UrlToBinary, DecodeBase64UrlToString, FileToolsOptions, IsBase64DataUrl, IsFileURL, LoadFile, LoadImage, ReadFile, RequestFile, SetCorsBehavior) => {\n /**\n * Backwards compatibility.\n * @internal\n * @deprecated\n */\n FileTools = {\n DecodeBase64UrlToBinary,\n DecodeBase64UrlToString,\n DefaultRetryStrategy: FileToolsOptions.DefaultRetryStrategy,\n BaseUrl: FileToolsOptions.BaseUrl,\n CorsBehavior: FileToolsOptions.CorsBehavior,\n PreprocessUrl: FileToolsOptions.PreprocessUrl,\n IsBase64DataUrl,\n IsFileURL,\n LoadFile,\n LoadImage,\n ReadFile,\n RequestFile,\n SetCorsBehavior,\n };\n Object.defineProperty(FileTools, \"DefaultRetryStrategy\", {\n get: function () {\n return FileToolsOptions.DefaultRetryStrategy;\n },\n set: function (value) {\n FileToolsOptions.DefaultRetryStrategy = value;\n },\n });\n Object.defineProperty(FileTools, \"BaseUrl\", {\n get: function () {\n return FileToolsOptions.BaseUrl;\n },\n set: function (value) {\n FileToolsOptions.BaseUrl = value;\n },\n });\n Object.defineProperty(FileTools, \"PreprocessUrl\", {\n get: function () {\n return FileToolsOptions.PreprocessUrl;\n },\n set: function (value) {\n FileToolsOptions.PreprocessUrl = value;\n },\n });\n Object.defineProperty(FileTools, \"CorsBehavior\", {\n get: function () {\n return FileToolsOptions.CorsBehavior;\n },\n set: function (value) {\n FileToolsOptions.CorsBehavior = value;\n },\n });\n};\n_injectLTSFileTools(DecodeBase64UrlToBinary, DecodeBase64UrlToString, FileToolsOptions, IsBase64DataUrl, IsFileURL, LoadFile, LoadImage, ReadFile, RequestFile, 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