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https://github.com/oven-sh/bun
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27 lines
740 B
Plaintext
27 lines
740 B
Plaintext
---
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title: Convert an ArrayBuffer to a Blob
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sidebarTitle: "ArrayBuffer to Blob"
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mode: center
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---
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A [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) can be constructed from an array of "chunks", where each chunk is a string, binary data structure, or another `Blob`.
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```ts
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const buf = new ArrayBuffer(64);
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const blob = new Blob([buf]);
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```
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---
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By default the `type` of the resulting `Blob` will be unset. This can be set manually.
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```ts
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const buf = new ArrayBuffer(64);
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const blob = new Blob([buf], { type: "application/octet-stream" });
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blob.type; // => "application/octet-stream"
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```
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---
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See [Docs > API > Binary Data](/runtime/binary-data#conversion) for complete documentation on manipulating binary data with Bun.
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