RequestInit<AbortType extends JSAny> extension type

An object containing options for Request constructor.

on

• JSObject

Implemented types

• JSObject

Implementers

• FetchOptions
• RequestOptions

Available extensions

• JSAnyOperatorExtension
• JSAnyUtilityExtension
• JSObjectUnsafeUtilExtension
• NullableUndefineableJSAnyExtension

Constructors

RequestInit({required String method, required Headers? headers, required RequestBody? body, required RequestMode mode, required RequestCredentials credentials, required RequestCache cache, required RequestRedirect redirect, required String referrer, required RequestReferrerPolicy referrerPolicy, required String integrity, required bool keepalive, required AbortSignal<AbortType>? signal, required RequestDuplex? duplex})

Create new RequestInit object.

factory

Properties

body ↔ RequestBody

Any body that you want to add to your request: this can be a JSString, an JSArrayBuffer, a Blob, a JSDataView, a File, a FormData, an JSTypedArray, a URLSearchParams or a ReadableStream.

getter/setter pair

cache ↔ String

The cache mode you want to use for the request.

getter/setter pair

credentials ↔ String

The request credentials you want to use for the request: omit, same-origin, or include.

getter/setter pair

duplex ↔ String?

Request duplex mode (if enabled). Required to use ReadableStream as body.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

headers ↔ Headers

Any headers you want to add to your request, contained within a Headers object or an object literal with String values.

getter/setter pair

integrity ↔ String

Contains the subresource integrity value of the request (e.g.,sha256-BpfBw7ivV8q2jLiT13fxDYAe2tJllusRSZ273h2nFSE=)

getter/setter pair

isDefinedAndNotNull → bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

no setter

isNull → bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

Whether this value corresponds to JavaScript null.

no setter

isTruthy → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of !!this in JavaScript.

no setter

isUndefined → bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

Whether this value corresponds to JavaScript undefined.

no setter

isUndefinedOrNull → bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

no setter

keepalive ↔ bool

A boolean that indicates whether to make a persistent connection for multiple requests/responses.

getter/setter pair

method ↔ String

The request method, e.g., GET, POST.

getter/setter pair

mode ↔ String

The mode you want to use for the request, e.g., cors, no-cors, same-origin, or navigate.

getter/setter pair

not → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of !this in JavaScript.

no setter

redirect ↔ String

The redirect mode to use: follow, error, or manual.

getter/setter pair

referrer ↔ String

A string specifying no-referrer, client, or a URL.

getter/setter pair

referrerPolicy ↔ String

A string that changes how the referrer header is populated during certain actions (e.g., fetching subresources, prefetching, performing navigations).

getter/setter pair

requestCache ↔ RequestCache

Controls how the request will interact with the browser's HTTP cache.

getter/setter pair

requestCredentials ↔ RequestCredentials

Controls what browsers do with credentials (cookies, HTTP authentication entries, and TLS client certificates).

getter/setter pair

requestDuplex ↔ RequestDuplex?

Specifies the request duplex mode.

getter/setter pair

requestMode ↔ RequestMode

Controls the mode you want to use for the request.

getter/setter pair

requestRedirect ↔ RequestRedirect

Controls how to handle a redirect response.

getter/setter pair

requestReferrerPolicy ↔ RequestReferrerPolicy

Specifies the referrer policy to use for the request.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

signal ↔ AbortSignal<AbortType>?

An AbortSignal object which can be used to communicate with/abort a request.

getter/setter pair

Methods

add(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this + any in JavaScript.

and(JSAny? any) → JSAny?

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this && any in JavaScript.

callMethod<R extends JSAny?>(JSAny method, [JSAny? arg1, JSAny? arg2, JSAny? arg3, JSAny? arg4]) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Calls method on this JSObject with up to four arguments.

callMethodVarArgs<R extends JSAny?>(JSAny method, [List<JSAny?>? arguments]) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Calls method on this JSObject with a variable number of arguments.

dartify() → Object?

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Converts a JavaScript JSON-like value to the Dart equivalent if possible.

delete(JSAny property) → JSBoolean

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Deletes the property with key property from this JSObject.

divide(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this / any in JavaScript.

equals(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this == any in JavaScript.

exponentiate(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this ** any in JavaScript.

getProperty<R extends JSAny?>(JSAny property) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

The value of the property key property of this JSObject.

greaterThan(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this > any in JavaScript.

greaterThanOrEqualTo(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this >= any in JavaScript.

has(String property) → bool

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for hasProperty to check whether this JSObject contains the property key property, but takes and returns a Dart value.

hasProperty(JSAny property) → JSBoolean

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Whether or not this JSObject contains the property key property.

instanceof(JSFunction constructor) → bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether this JSAny? is an instanceof constructor.

instanceOfString(String constructorName) → bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether this JSAny? is an instanceof the constructor that is defined by constructorName, which is looked up in the globalContext.

lessThan(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this < any in JavaScript.

lessThanOrEqualTo(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this <= any in JavaScript.

modulo(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this % any in JavaScript.

multiply(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this * any in JavaScript.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

notEquals(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this != any in JavaScript.

or(JSAny? any) → JSAny?

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this || any in JavaScript.

setProperty(JSAny property, JSAny? value) → void

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Write the value of property key property of this JSObject.

strictEquals(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this === any in JavaScript.

strictNotEquals(JSAny? any) → JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this !== any in JavaScript.

subtract(JSAny? any) → JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this - any in JavaScript.

toString() → String

A string representation of this object.

inherited

typeofEquals(String typeString) → bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether the result of typeof on this JSAny? is typeString.

unsignedRightShift(JSAny? any) → JSNumber

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this >>> any in JavaScript.

Operators

operator ==(Object other) → bool

The equality operator.

inherited

operator [](String property) → JSAny?

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for getProperty to get the value of the property key property of this JSObject, but takes a Dart value.

operator []=(String property, JSAny? value) → void

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for setProperty to write the value of the property key property of this JSObject, but takes a Dart value.