65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
|
"use strict";
|
||
|
|
var __assign = (this && this.__assign) || function () {
|
||
|
|
__assign = Object.assign || function(t) {
|
||
|
|
for (var s, i = 1, n = arguments.length; i < n; i++) {
|
||
|
|
s = arguments[i];
|
||
|
|
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
|
||
|
|
t[p] = s[p];
|
||
|
|
}
|
||
|
|
return t;
|
||
|
|
};
|
||
|
|
return __assign.apply(this, arguments);
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
var Observable_1 = require("../../Observable");
|
||
|
|
var Subscription_1 = require("../../Subscription");
|
||
|
|
function fromFetch(input, init) {
|
||
|
|
return new Observable_1.Observable(function (subscriber) {
|
||
|
|
var controller = new AbortController();
|
||
|
|
var signal = controller.signal;
|
||
|
|
var abortable = true;
|
||
|
|
var unsubscribed = false;
|
||
|
|
var subscription = new Subscription_1.Subscription();
|
||
|
|
subscription.add(function () {
|
||
|
|
unsubscribed = true;
|
||
|
|
if (abortable) {
|
||
|
|
controller.abort();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
var perSubscriberInit;
|
||
|
|
if (init) {
|
||
|
|
if (init.signal) {
|
||
|
|
if (init.signal.aborted) {
|
||
|
|
controller.abort();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var outerSignal_1 = init.signal;
|
||
|
|
var outerSignalHandler_1 = function () {
|
||
|
|
if (!signal.aborted) {
|
||
|
|
controller.abort();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
outerSignal_1.addEventListener('abort', outerSignalHandler_1);
|
||
|
|
subscription.add(function () { return outerSignal_1.removeEventListener('abort', outerSignalHandler_1); });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
perSubscriberInit = __assign({}, init, { signal: signal });
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
perSubscriberInit = { signal: signal };
|
||
|
|
}
|
||
|
|
fetch(input, perSubscriberInit).then(function (response) {
|
||
|
|
abortable = false;
|
||
|
|
subscriber.next(response);
|
||
|
|
subscriber.complete();
|
||
|
|
}).catch(function (err) {
|
||
|
|
abortable = false;
|
||
|
|
if (!unsubscribed) {
|
||
|
|
subscriber.error(err);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return subscription;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
exports.fromFetch = fromFetch;
|
||
|
|
//# sourceMappingURL=fetch.js.map
|