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fallback for platforms missing AbortController

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This commit is contained in:
Bruno Windels 2019-06-26 19:49:49 +02:00
parent b3095112cd
commit ca4361248f
1 changed files with 17 additions and 4 deletions
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21
src/matrix/hs-api.js
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@ -6,8 +6,21 @@ import {
class RequestWrapper {
constructor(promise, controller) {
this._promise = promise;
this._controller = controller;
if (!controller) {
const abortPromise = new Promise((_, reject) => {
this._controller = {
abort() {
const err = new Error("fetch request aborted");
err.name = "AbortError";
reject(err);
}
};
});
this._promise = Promise.race([promise, abortPromise]);
} else {
this._promise = promise;
this._controller = controller;
}
}
abort() {
@ -47,13 +60,13 @@ export default class HomeServerApi {
headers.append("Content-Type", "application/json");
bodyString = JSON.stringify(body);
}
const controller = new AbortController();
const controller = typeof AbortController === "function" ? new AbortController() : null;
// TODO: set authenticated headers with second arguments, cache them
let promise = fetch(url, {
method,
headers,
body: bodyString,
signal: controller.signal
signal: controller && controller.signal
});
promise = promise.then(async (response) => {
if (response.ok) {