PWA & Fetch API & opaque response All In One

opaque response / 不透明响应

PWA

https://web.dev/learn/pwa/caching/#cross-domain-requests-and-opaque-responses

Fetch API

https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API

FetchEvent

https://developer.mozilla.org/en-US/docs/Web/API/FetchEvent/respondWith

opaque response

[Exposed=(Window,Worker)]interface Response {
  constructor(optional BodyInit? body = null, optional ResponseInit init = {});

  [NewObject] static Response error();
  [NewObject] static Response redirect(USVString url, optional unsigned short status = 302);

  readonly attribute ResponseType type;

  readonly attribute USVString url;
  readonly attribute boolean redirected;
  readonly attribute unsigned short status;
  readonly attribute boolean ok;
  readonly attribute ByteString statusText;
  [SameObject] readonly attribute Headers headers;

  [NewObject] Response clone();
};
Response includes Body;

dictionary ResponseInit {
  unsigned short status = 200;
  ByteString statusText = "";
  HeadersInit headers;
};

enum ResponseType { "basic", "cors", "default", "error", "opaque", "opaqueredirect" };

https://fetch.spec.whatwg.org/#concept-filtered-response-opaque

https://developer.mozilla.org/en-US/docs/Web/API/Response

https://fetch.spec.whatwg.org/#response-class

refs

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