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{"version":3,"file":"AvroReadableFromStream.js","sourceRoot":"","sources":["../../../../storage-internal-avro/src/AvroReadableFromStream.ts"],"names":[],"mappings":"AAAA,uCAAuC;AACvC,kCAAkC;AAElC,OAAO,EAAE,YAAY,EAA2B,MAAM,gBAAgB,CAAC;AACvE,OAAO,EAAE,UAAU,EAAE,MAAM,yBAAyB,CAAC;AAErD,MAAM,WAAW,GAAG,IAAI,UAAU,CAAC,2CAA2C,CAAC,CAAC;AAEhF,MAAM,OAAO,sBAAuB,SAAQ,YAAY;IAWtD,YAAY,QAA+B;QACzC,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAC1B,IAAI,CAAC,SAAS,GAAG,CAAC,CAAC;IACrB,CAAC;IAXO,YAAY,CAAC,IAAqB;QACxC,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;YAC5B,OAAO,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;SAC1B;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAOD,IAAW,QAAQ;QACjB,OAAO,IAAI,CAAC,SAAS,CAAC;IACxB,CAAC;IACM,KAAK,CAAC,IAAI,CAAC,IAAY,EAAE,UAAmC,EAAE;;QACnE,IAAI,MAAA,OAAO,CAAC,WAAW,0CAAE,OAAO,EAAE;YAChC,MAAM,WAAW,CAAC;SACnB;QAED,IAAI,IAAI,GAAG,CAAC,EAAE;YACZ,MAAM,IAAI,KAAK,CAAC,sCAAsC,IAAI,EAAE,CAAC,CAAC;SAC/D;QAED,IAAI,IAAI,KAAK,CAAC,EAAE;YACd,OAAO,IAAI,UAAU,EAAE,CAAC;SACzB;QAED,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,QAAQ,EAAE;YAC5B,MAAM,IAAI,KAAK,CAAC,4BAA4B,CAAC,CAAC;SAC/C;QACD,uCAAuC;QACvC,MAAM,KAAK,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QACxC,IAAI,KAAK,EAAE;YACT,IAAI,CAAC,SAAS,IAAI,KAAK,CAAC,MAAM,CAAC;YAC/B,gEAAgE;YAChE,OAAO,IAAI,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC;SACjC;aAAM;YACL,oDAAoD;YACpD,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;gBACrC,4DAA4D;gBAC5D,MAAM,OAAO,GAAe,GAAG,EAAE;oBAC/B,IAAI,CAAC,SAAS,CAAC,cAAc,CAAC,UAAU,EAAE,gBAAgB,CAAC,CAAC;oBAC5D,IAAI,CAAC,SAAS,CAAC,cAAc,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;oBACvD,IAAI,CAAC,SAAS,CAAC,cAAc,CAAC,KAAK,EAAE,cAAc,CAAC,CAAC;oBACrD,IAAI,CAAC,SAAS,CAAC,cAAc,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;oBAEvD,IAAI,OAAO,CAAC,WAAW,EAAE;wBACvB,OAAO,CAAC,WAAY,CAAC,mBAAmB,CAAC,OAAO,EAAE,YAAY,CAAC,CAAC;qBACjE;gBACH,CAAC,CAAC;gBAEF,MAAM,gBAAgB,GAAe,GAAG,EAAE;oBACxC,MAAM,aAAa,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;oBAChD,IAAI,aAAa,EAAE;wBACjB,IAAI,CAAC,SAAS,IAAI,aAAa,CAAC,MAAM,CAAC;wBACvC,OAAO,EAAE,CAAC;wBACV,wEAAwE;wBACxE,OAAO,CAAC,IAAI,CAAC,YAAY,CAAC,aAAa,CAAC,CAAC,CAAC;qBAC3C;gBACH,CAAC,CAAC;gBAEF,MAAM,cAAc,GAAe,GAAG,EAAE;oBACtC,OAAO,EAAE,CAAC;oBACV,MAAM,EAAE,CAAC;gBACX,CAAC,CAAC;gBAEF,MAAM,YAAY,GAAe,GAAG,EAAE;oBACpC,OAAO,EAAE,CAAC;oBACV,MAAM,CAAC,WAAW,CAAC,CAAC;gBACtB,CAAC,CAAC;gBAEF,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,UAAU,EAAE,gBAAgB,CAAC,CAAC;gBAChD,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;gBAC7C,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,KAAK,EAAE,cAAc,CAAC,CAAC;gBAC3C,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;gBAC7C,IAAI,OAAO,CAAC,WAAW,EAAE;oBACvB,OAAO,CAAC,WAAY,CAAC,gBAAgB,CAAC,OAAO,EAAE,YAAY,CAAC,CAAC;iBAC9D;gBACD,2DAA2D;YAC7D,CAAC,CAAC,CAAC;SACJ;IACH,CAAC;CACF","sourcesContent":["// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\nimport { AvroReadable, AvroReadableReadOptions } from \"./AvroReadable\";\nimport { AbortError } from \"@azure/abort-controller\";\n\nconst ABORT_ERROR = new AbortError(\"Reading from the avro stream was aborted.\");\n\nexport class AvroReadableFromStream extends AvroReadable {\n private _position: number;\n private _readable: NodeJS.ReadableStream;\n\n private toUint8Array(data: string | Buffer): Uint8Array {\n if (typeof data === \"string\") {\n return Buffer.from(data);\n }\n return data;\n }\n\n constructor(readable: NodeJS.ReadableStream) {\n super();\n this._readable = readable;\n this._position = 0;\n }\n public get position(): number {\n return this._position;\n }\n public async read(size: number, options: AvroReadableReadOptions = {}): Promise<Uint8Array> {\n if (options.abortSignal?.aborted) {\n throw ABORT_ERROR;\n }\n\n if (size < 0) {\n throw new Error(`size parameter should be positive: ${size}`);\n }\n\n if (size === 0) {\n return new Uint8Array();\n }\n\n if (!this._readable.readable) {\n throw new Error(\"Stream no longer readable.\");\n }\n // See if there is already enough data.\n const chunk = this._readable.read(size);\n if (chunk) {\n this._position += chunk.length;\n // chunk.length maybe less than desired size if the stream ends.\n return this.toUint8Array(chunk);\n } else {\n // register callback to wait for enough data to read\n return new Promise((resolve, reject) => {\n /* eslint-disable @typescript-eslint/no-use-before-define */\n const cleanUp: () => void = () => {\n this._readable.removeListener(\"readable\", readableCallback);\n this._readable.removeListener(\"error\", rejectCallback);\n this._readable.removeListener(\"end\", rejectCallback);\n this._readable.removeListener(\"close\", rejectCallback);\n\n if (options.abortSignal) {\n options.abortSignal!.removeEventListener(\"abort\", abortHandler);\n }\n };\n\n const readableCallback: () => void = () => {\n const callbackChunk = this._readable.read(size);\n if (callbackChunk) {\n this._position += callbackChunk.length;\n cleanUp();\n // callbackChunk.length maybe less than desired size if the stream ends.\n resolve(this.toUint8Array(callbackChunk));\n }\n };\n\n const rejectCallback: () => void = () => {\n cleanUp();\n reject();\n };\n\n const abortHandler: () => void = () => {\n cleanUp();\n reject(ABORT_ERROR);\n };\n\n this._readable.on(\"readable\", readableCallback);\n this._readable.once(\"error\", rejectCallback);\n this._readable.once(\"end\", rejectCallback);\n this._readable.once(\"close\", rejectCallback);\n if (options.abortSignal) {\n options.abortSignal!.addEventListener(\"abort\", abortHandler);\n }\n /* eslint-enable @typescript-eslint/no-use-before-define */\n });\n }\n }\n}\n"]}