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Play nice with fetch after the newest changes that add support for XMLHttpRequest.response

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Summary:After adding support for `XMLHttpRequest#response`, the `fetch` polyfill detects buffer support when debugging in Chrome and sets `responseType` to `'blob'`.
In that case, the response was always empty.

This change will construct a blob if `responseType` has been set to `'blob'` in order to avoid that problem

Reviewed By: steveluscher

Differential Revision: D3018884

fb-gh-sync-id: 4ade0413de67242c3565d95c2880d4a981ba2342
shipit-source-id: 4ade0413de67242c3565d95c2880d4a981ba2342
This commit is contained in:
David Aurelio 2016-03-07 13:28:46 -08:00 committed by Facebook Github Bot 0
parent 33e9e34648
commit fd3a0ba781
1 changed files with 11 additions and 2 deletions
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13
Libraries/Network/XMLHttpRequestBase.js
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@ -13,6 +13,7 @@
var RCTNetworking = require('RCTNetworking'); var RCTNetworking = require('RCTNetworking');
var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter'); var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
var invariant = require('fbjs/lib/invariant');
const UNSENT = 0; const UNSENT = 0;
const OPENED = 1; const OPENED = 1;
@ -155,8 +156,16 @@ class XMLHttpRequestBase {
case 'text': case 'text':
this.response = this.responseText; this.response = this.responseText;
break; break;
default: //TODO: Support other types, eg: document, arraybuffer, json, blob case 'blob': // whatwg-fetch sets this in Chrome
this.response = null; /* global Blob: true */
invariant(
typeof Blob === 'function',
`responseType "blob" is only supported on platforms with native Blob support`
);
this.response = new Blob([this.responseText]);
break;
default: //TODO: Support other types, eg: document, arraybuffer, json
invariant(false, `responseType "${this.responseType}" is unsupported`);
} }
this.setReadyState(this.LOADING); this.setReadyState(this.LOADING);
} }