deno_fetch

Crates.iodeno_fetch
lib.rsdeno_fetch
version0.182.0
sourcesrc
created_at2020-09-18 20:41:28.33525
updated_at2024-06-19 16:35:24.299468
descriptionFetch API implementation for Deno
homepage
repositoryhttps://github.com/denoland/deno
max_upload_size
id290267
size150,150
(denobot)

documentation

README

deno_fetch

This crate implements the Fetch API.

Spec: https://fetch.spec.whatwg.org/

Usage Example

From javascript, include the extension's source, and assign the following properties to the global scope:

import * as headers from "ext:deno_fetch/20_headers.js";
import * as formData from "ext:deno_fetch/21_formdata.js";
import * as request from "ext:deno_fetch/23_request.js";
import * as response from "ext:deno_fetch/23_response.js";
import * as fetch from "ext:deno_fetch/26_fetch.js";
import * as eventSource from "ext:deno_fetch/27_eventsource.js";

// Set up the callback for Wasm streaming ops
Deno.core.setWasmStreamingCallback(fetch.handleWasmStreaming);

Object.defineProperty(globalThis, "fetch", {
  value: fetch.fetch,
  enumerable: true,
  configurable: true,
  writable: true,
});

Object.defineProperty(globalThis, "Request", {
  value: request.Request,
  enumerable: false,
  configurable: true,
  writable: true,
});

Object.defineProperty(globalThis, "Response", {
  value: response.Response,
  enumerable: false,
  configurable: true,
  writable: true,
});

Object.defineProperty(globalThis, "Headers", {
  value: headers.Headers,
  enumerable: false,
  configurable: true,
  writable: true,
});

Object.defineProperty(globalThis, "FormData", {
  value: formData.FormData,
  enumerable: false,
  configurable: true,
  writable: true,
});

Then from rust, provide deno_fetch::deno_fetch::init_ops_and_esm<Permissions>(Default::default()) in the extensions field of your RuntimeOptions

Where:

  • Permissions: a struct implementing deno_fetch::FetchPermissions
  • Options: deno_fetch::Options, which implements Default

Dependencies

  • deno_webidl: Provided by the deno_webidl crate
  • deno_web: Provided by the deno_web crate
  • deno_url: Provided by the deno_url crate
  • deno_console: Provided by the deno_console crate

Provided ops

Following ops are provided, which can be accessed through Deno.ops:

  • op_fetch
  • op_fetch_send
  • op_fetch_response_upgrade
  • op_utf8_to_byte_string
  • op_fetch_custom_client
Commit count: 11652

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