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- {"ast":null,"code":"import { Tools } from \"@babylonjs/core/Misc/tools.js\";\nfunction validateAsync(data, rootUrl, fileName, getExternalResource) {\n const options = {\n externalResourceFunction: getExternalResource\n };\n if (fileName) {\n options.uri = rootUrl === \"file:\" ? fileName : rootUrl + fileName;\n }\n return ArrayBuffer.isView(data) ? GLTFValidator.validateBytes(data, options) : GLTFValidator.validateString(data, options);\n}\n/**\n * The worker function that gets converted to a blob url to pass into a worker.\n */\nfunction workerFunc() {\n const pendingExternalResources = [];\n onmessage = message => {\n const data = message.data;\n switch (data.id) {\n case \"init\":\n {\n importScripts(data.url);\n break;\n }\n case \"validate\":\n {\n validateAsync(data.data, data.rootUrl, data.fileName, uri => new Promise((resolve, reject) => {\n const index = pendingExternalResources.length;\n pendingExternalResources.push({\n resolve,\n reject\n });\n postMessage({\n id: \"getExternalResource\",\n index: index,\n uri: uri\n });\n })).then(value => {\n postMessage({\n id: \"validate.resolve\",\n value: value\n });\n }, reason => {\n postMessage({\n id: \"validate.reject\",\n reason: reason\n });\n });\n break;\n }\n case \"getExternalResource.resolve\":\n {\n pendingExternalResources[data.index].resolve(data.value);\n break;\n }\n case \"getExternalResource.reject\":\n {\n pendingExternalResources[data.index].reject(data.reason);\n break;\n }\n }\n };\n}\n/**\n * glTF validation\n */\nexport class GLTFValidation {\n /**\n * Validate a glTF asset using the glTF-Validator.\n * @param data The JSON of a glTF or the array buffer of a binary glTF\n * @param rootUrl The root url for the glTF\n * @param fileName The file name for the glTF\n * @param getExternalResource The callback to get external resources for the glTF validator\n * @returns A promise that resolves with the glTF validation results once complete\n */\n static ValidateAsync(data, rootUrl, fileName, getExternalResource) {\n if (typeof Worker === \"function\") {\n return new Promise((resolve, reject) => {\n const workerContent = `${validateAsync}(${workerFunc})()`;\n const workerBlobUrl = URL.createObjectURL(new Blob([workerContent], {\n type: \"application/javascript\"\n }));\n const worker = new Worker(workerBlobUrl);\n const onError = error => {\n worker.removeEventListener(\"error\", onError);\n worker.removeEventListener(\"message\", onMessage);\n reject(error);\n };\n const onMessage = message => {\n const data = message.data;\n switch (data.id) {\n case \"getExternalResource\":\n {\n getExternalResource(data.uri).then(value => {\n worker.postMessage({\n id: \"getExternalResource.resolve\",\n index: data.index,\n value: value\n }, [value.buffer]);\n }, reason => {\n worker.postMessage({\n id: \"getExternalResource.reject\",\n index: data.index,\n reason: reason\n });\n });\n break;\n }\n case \"validate.resolve\":\n {\n worker.removeEventListener(\"error\", onError);\n worker.removeEventListener(\"message\", onMessage);\n resolve(data.value);\n worker.terminate();\n break;\n }\n case \"validate.reject\":\n {\n worker.removeEventListener(\"error\", onError);\n worker.removeEventListener(\"message\", onMessage);\n reject(data.reason);\n worker.terminate();\n }\n }\n };\n worker.addEventListener(\"error\", onError);\n worker.addEventListener(\"message\", onMessage);\n worker.postMessage({\n id: \"init\",\n url: Tools.GetBabylonScriptURL(this.Configuration.url)\n });\n if (ArrayBuffer.isView(data)) {\n // Slice the data to avoid copying the whole array buffer.\n const slicedData = data.slice();\n worker.postMessage({\n id: \"validate\",\n data: slicedData,\n rootUrl: rootUrl,\n fileName: fileName\n }, [slicedData.buffer]);\n } else {\n worker.postMessage({\n id: \"validate\",\n data: data,\n rootUrl: rootUrl,\n fileName: fileName\n });\n }\n });\n } else {\n if (!this._LoadScriptPromise) {\n this._LoadScriptPromise = Tools.LoadBabylonScriptAsync(this.Configuration.url);\n }\n return this._LoadScriptPromise.then(() => {\n return validateAsync(data, rootUrl, fileName, getExternalResource);\n });\n }\n }\n}\n/**\n * The configuration. 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