This crate implements the Fetch API.
Spec: https://fetch.spec.whatwg.org/
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 implementsDefault
- 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
Following ops are provided, which can be accessed through Deno.ops
:
- op_fetch
- op_fetch_send
- op_utf8_to_byte_string
- op_fetch_custom_client