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[RN] Remove no longer needed fetch API fallback

This commit is contained in:
Saúl Ibarra Corretgé 2017-08-23 15:03:55 +02:00 committed by Paweł Domas
parent 531b638a8a
commit c0f648b1ab
1 changed files with 3 additions and 30 deletions
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33
react/features/base/util/loadScript.native.js
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@ -1,7 +1,7 @@
/** /**
* Loads a script from a specific URL. React Native cannot load a JS * Loads a script from a specific URL. React Native cannot load a JS
* file/resource/URL via a &lt;script&gt; HTML element, so the implementation * file/resource/URL via a <script> HTML element, so the implementation
* fetches the specified src as plain text (e.g. via XMLHttpRequest) and then * fetches the specified src as plain text using fetch() and then
* evaluates the fetched string as JavaScript code (i.e. via the {@link eval} * evaluates the fetched string as JavaScript code (i.e. via the {@link eval}
* function). * function).
* *
@ -10,35 +10,8 @@
* @returns {void} * @returns {void}
*/ */
export function loadScript(url) { export function loadScript(url) {
let fetch;
const method = 'GET';
// Prefer the Fetch API. Apart from the fact that we're fetching the
// specified script as a static resource, the Fetch API provides more
// detailed errors.
if (typeof (fetch = window.fetch) === 'function') {
fetch = fetch(url, { method });
} else {
// Otherwise, fall back to the XMLHttpRequest API.
fetch
= new Promise(resolve => {
const xhr = new XMLHttpRequest();
xhr.responseType = 'text';
xhr.onreadystatechange = () => {
if (xhr.readyState === 4) {
resolve(xhr);
}
};
xhr.open(method, url, /* async */ true);
xhr.send();
});
}
return ( return (
fetch fetch(url, { method: 'GET' })
.then(response => { .then(response => {
switch (response.status) { switch (response.status) {
case 200: case 200: