{"version":3,"file":"concat-browser.mjs","sourceRoot":"","sources":["../../../src/util/concat-browser.mts"],"names":[],"mappings":"AAAA,uCAAuC;AACvC,kCAAkC;AAElC,OAAO,EAAE,aAAa,EAAE,MAAM,WAAW,CAAC;AAC1C,OAAO,EAAE,oBAAoB,EAAE,mBAAmB,EAAE,MAAM,iBAAiB,CAAC;AAE5E;;;GAGG;AACH,SAAS,KAAK,CAAC,MAAkC;IAC/C,OAAO,IAAI,QAAQ,CAAC,MAAM,CAAC,CAAC,IAAI,EAAE,CAAC;AACrC,CAAC;AAED,KAAK,UAAU,UAAU,CACvB,MAAsD;IAEtD,IAAI,MAAM,YAAY,IAAI,IAAI,MAAM,YAAY,UAAU,EAAE,CAAC;QAC3D,OAAO,MAAM,CAAC;IAChB,CAAC;IAED,IAAI,mBAAmB,CAAC,MAAM,CAAC,EAAE,CAAC;QAChC,OAAO,KAAK,CAAC,MAAM,CAAC,CAAC;IACvB,CAAC;IAED,+EAA+E;IAC/E,oFAAoF;IACpF,uBAAuB;IACvB,MAAM,UAAU,GAAG,aAAa,CAAC,MAAM,CAAC,CAAC;IAEzC,2CAA2C;IAC3C,IAAI,oBAAoB,CAAC,UAAU,CAAC,EAAE,CAAC;QACrC,MAAM,IAAI,KAAK,CACb,iJAAiJ,CAClJ,CAAC;IACJ,CAAC;IAED,OAAO,UAAU,CAAC,UAAU,CAAC,CAAC;AAChC,CAAC;AASD;;;;;;;;GAQG;AACH,MAAM,CAAC,KAAK,UAAU,MAAM,CAC1B,OAAgD;IAEhD,MAAM,KAAK,GAAG,EAAE,CAAC;IACjB,KAAK,MAAM,MAAM,IAAI,OAAO,EAAE,CAAC;QAC7B,KAAK,CAAC,IAAI,CAAC,MAAM,UAAU,CAAC,OAAO,MAAM,KAAK,UAAU,CAAC,CAAC,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC;IACjF,CAAC;IAED,OAAO,IAAI,IAAI,CAAC,KAAK,CAAC,CAAC;AACzB,CAAC","sourcesContent":["// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\nimport { getRawContent } from \"./file.js\";\nimport { isNodeReadableStream, isWebReadableStream } from \"./typeGuards.js\";\n\n/**\n * Drain the content of the given ReadableStream into a Blob.\n * The blob's content may end up in memory or on disk dependent on size.\n */\nfunction drain(stream: ReadableStream<Uint8Array>): Promise<Blob> {\n  return new Response(stream).blob();\n}\n\nasync function toBlobPart(\n  source: ReadableStream<Uint8Array> | Blob | Uint8Array,\n): Promise<BlobPart> {\n  if (source instanceof Blob || source instanceof Uint8Array) {\n    return source;\n  }\n\n  if (isWebReadableStream(source)) {\n    return drain(source);\n  }\n\n  // If it's not a true Blob, and it's not a Uint8Array, we can assume the source\n  // is a fake File created by createFileFromStream and we can get the original stream\n  // using getRawContent.\n  const rawContent = getRawContent(source);\n\n  // Shouldn't happen but guard for it anyway\n  if (isNodeReadableStream(rawContent)) {\n    throw new Error(\n      \"Encountered unexpected type. In the browser, `concat` supports Web ReadableStream, Blob, Uint8Array, and files created using `createFile` only.\",\n    );\n  }\n\n  return toBlobPart(rawContent);\n}\n\n/**\n * Accepted binary data types for concat\n *\n * @internal\n */\ntype ConcatSource = ReadableStream<Uint8Array> | Blob | Uint8Array;\n\n/**\n * Utility function that concatenates a set of binary inputs into one combined output.\n *\n * @param sources - array of sources for the concatenation\n * @returns - in Node, a (() =\\> NodeJS.ReadableStream) which, when read, produces a concatenation of all the inputs.\n *           In browser, returns a `Blob` representing all the concatenated inputs.\n *\n * @internal\n */\nexport async function concat(\n  sources: (ConcatSource | (() => ConcatSource))[],\n): Promise<(() => NodeJS.ReadableStream) | Blob> {\n  const parts = [];\n  for (const source of sources) {\n    parts.push(await toBlobPart(typeof source === \"function\" ? source() : source));\n  }\n\n  return new Blob(parts);\n}\n"]}