mirror of
https://github.com/oven-sh/bun
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102 lines
4.7 KiB
Markdown
102 lines
4.7 KiB
Markdown
Some Web APIs aren't relevant in the context of a server-first runtime like Bun, such as the [DOM API](https://developer.mozilla.org/en-US/docs/Web/API/HTML_DOM_API#html_dom_api_interfaces) or [History API](https://developer.mozilla.org/en-US/docs/Web/API/History_API). Many others, though, are broadly useful outside of the browser context; when possible, Bun implements these Web-standard APIs instead of introducing new APIs.
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The following Web APIs are partially or completely supported.
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{% table %}
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---
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- HTTP
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- [`fetch`](https://developer.mozilla.org/en-US/docs/Web/API/fetch) [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response) [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) [`Headers`](https://developer.mozilla.org/en-US/docs/Web/API/Headers) [`AbortController`](https://developer.mozilla.org/en-US/docs/Web/API/AbortController) [`AbortSignal`](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal)
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---
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- URLs
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- [`URL`](https://developer.mozilla.org/en-US/docs/Web/API/URL) [`URLSearchParams`](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams)
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---
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- Web Workers
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- [`Worker`](https://developer.mozilla.org/en-US/docs/Web/API/Worker) [`self.postMessage`](https://developer.mozilla.org/en-US/docs/Web/API/DedicatedWorkerGlobalScope/postMessage) [`structuredClone`](https://developer.mozilla.org/en-US/docs/Web/API/structuredClone) [`MessagePort`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort) [`MessageChannel`](https://developer.mozilla.org/en-US/docs/Web/API/MessageChannel), [`BroadcastChannel`](https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel).
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---
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- Streams
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- [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream) [`WritableStream`](https://developer.mozilla.org/en-US/docs/Web/API/WritableStream) [`TransformStream`](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream) [`ByteLengthQueuingStrategy`](https://developer.mozilla.org/en-US/docs/Web/API/ByteLengthQueuingStrategy) [`CountQueuingStrategy`](https://developer.mozilla.org/en-US/docs/Web/API/CountQueuingStrategy) and associated classes
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---
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- Blob
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- [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob)
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---
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- WebSockets
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- [`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket)
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---
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- Encoding and decoding
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- [`atob`](https://developer.mozilla.org/en-US/docs/Web/API/atob) [`btoa`](https://developer.mozilla.org/en-US/docs/Web/API/btoa) [`TextEncoder`](https://developer.mozilla.org/en-US/docs/Web/API/TextEncoder) [`TextDecoder`](https://developer.mozilla.org/en-US/docs/Web/API/TextDecoder)
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---
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- JSON
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- [`JSON`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON)
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---
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- Timeouts
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- [`setTimeout`](https://developer.mozilla.org/en-US/docs/Web/API/setTimeout) [`clearTimeout`](https://developer.mozilla.org/en-US/docs/Web/API/clearTimeout)
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---
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- Intervals
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- [`setInterval`](https://developer.mozilla.org/en-US/docs/Web/API/setInterval)[`clearInterval`](https://developer.mozilla.org/en-US/docs/Web/API/clearInterval)
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---
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- Crypto
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- [`crypto`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto) [`SubtleCrypto`](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto)
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[`CryptoKey`](https://developer.mozilla.org/en-US/docs/Web/API/CryptoKey)
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---
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- Debugging
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- [`console`](https://developer.mozilla.org/en-US/docs/Web/API/console) [`performance`](https://developer.mozilla.org/en-US/docs/Web/API/Performance)
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---
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- Microtasks
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- [`queueMicrotask`](https://developer.mozilla.org/en-US/docs/Web/API/queueMicrotask)
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---
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- Errors
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- [`reportError`](https://developer.mozilla.org/en-US/docs/Web/API/reportError)
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---
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- User interaction
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- [`alert`](https://developer.mozilla.org/en-US/docs/Web/API/Window/alert) [`confirm`](https://developer.mozilla.org/en-US/docs/Web/API/Window/confirm) [`prompt`](https://developer.mozilla.org/en-US/docs/Web/API/Window/prompt) (intended for interactive CLIs)
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<!-- - Blocking. Prints the alert message to terminal and awaits `[ENTER]` before proceeding. -->
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<!-- - Blocking. Prints confirmation message and awaits `[y/N]` input from user. Returns `true` if user entered `y` or `Y`, `false` otherwise.
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- Blocking. Prints prompt message and awaits user input. Returns the user input as a string. -->
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---
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- Realms
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- [`ShadowRealm`](https://github.com/tc39/proposal-shadowrealm)
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---
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- Events
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- [`EventTarget`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget)
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[`Event`](https://developer.mozilla.org/en-US/docs/Web/API/Event) [`ErrorEvent`](https://developer.mozilla.org/en-US/docs/Web/API/ErrorEvent) [`CloseEvent`](https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent) [`MessageEvent`](https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent)
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---
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{% /table %}
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