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feat(http): add HTTP2 support; (#7150) #1

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29 changes: 29 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@
- [🔥 Custom fetch](#-custom-fetch)
- [🔥 Using with Tauri](#-using-with-tauri)
- [🔥 Using with SvelteKit](#-using-with-sveltekit-)
- [🔥 HTTP2](#-http2)
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@coderabbitai coderabbitai bot Jan 29, 2026

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⚠️ Potential issue | 🟡 Minor

Fix markdownlint TOC indentation.
MD007 expects top‑level list items to be unindented.

✏️ Suggested fix 
-  - [🔥 HTTP2](`#-http2`)
+ - [🔥 HTTP2](`#-http2`)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
- [🔥 HTTP2](#-http2)
- [🔥 HTTP2](`#-http2`)
🧰 Tools
🪛 markdownlint-cli2 (0.20.0)

90-90: Unordered list indentation
Expected: 0; Actual: 2

(MD007, ul-indent)

🤖 Prompt for AI Agents 
In `@README.md` at line 90, The TOC entry for "🔥 HTTP2" is indented, violating
MD007; remove the leading spaces so the top-level list item is unindented (e.g.,
change the line containing "- [🔥 HTTP2](`#-http2`)" to start at column 0) to
satisfy markdownlint's top-level list rule.

- [Semver](#semver)
- [Promises](#promises)
- [TypeScript](#typescript)
Expand Down Expand Up @@ -1702,6 +1703,34 @@ export async function load({ fetch }) {
}
```

## 🔥 HTTP2

In version `1.13.0`, experimental `HTTP2` support was added to the `http` adapter.
The `httpVersion` option is now available to select the protocol version used.
Additional native options for the internal `session.request()` call can be passed via the `http2Options` config.
This config also includes the custom `sessionTimeout` parameter, which defaults to `1000ms`.

```js
const form = new FormData();

form.append('foo', '123');

const {data, headers, status} = await axios.post('https://httpbin.org/post', form, {
httpVersion: 2,
http2Options: {
// rejectUnauthorized: false,
// sessionTimeout: 1000
},
onUploadProgress(e) {
console.log('upload progress', e);
},
onDownloadProgress(e) {
console.log('download progress', e);
},
responseType: 'arraybuffer'
});
```

## Semver

Since Axios has reached a `v.1.0.0` we will fully embrace semver as per the spec [here](https://semver.org/)
Expand Down
4 changes: 4 additions & 0 deletions index.d.cts
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Expand Up @@ -436,6 +436,10 @@ declare namespace axios {
((hostname: string, options: object) => Promise<[address: LookupAddressEntry | LookupAddressEntry[], family?: AddressFamily] | LookupAddress>);
withXSRFToken?: boolean | ((config: InternalAxiosRequestConfig) => boolean | undefined);
fetchOptions?: Omit<RequestInit, 'body' | 'headers' | 'method' | 'signal'> | Record<string, any>;
httpVersion?: 1 | 2;
http2Options?: Record<string, any> & {
sessionTimeout?: number;
};
}

// Alias
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4 changes: 4 additions & 0 deletions index.d.ts
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Expand Up @@ -369,6 +369,10 @@ export interface AxiosRequestConfig<D = any> {
withXSRFToken?: boolean | ((config: InternalAxiosRequestConfig) => boolean | undefined);
parseReviver?: (this: any, key: string, value: any) => any;
fetchOptions?: Omit<RequestInit, 'body' | 'headers' | 'method' | 'signal'> | Record<string, any>;
httpVersion?: 1 | 2;
http2Options?: Record<string, any> & {
sessionTimeout?: number;
};
}

// Alias
Expand Down
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