Icard/angular-clarity-master(work.../node_modules/zone.js/bundles/zone-patch-fetch.umd.js

111 lines
4.4 KiB
JavaScript

'use strict';
/**
* @license Angular v<unknown>
* (c) 2010-2022 Google LLC. https://angular.io/
* License: MIT
*/
(function (factory) {
typeof define === 'function' && define.amd ? define(factory) :
factory();
})((function () {
'use strict';
/**
* @fileoverview
* @suppress {missingRequire}
*/
Zone.__load_patch('fetch', function (global, Zone, api) {
var fetch = global['fetch'];
if (typeof fetch !== 'function') {
return;
}
var originalFetch = global[api.symbol('fetch')];
if (originalFetch) {
// restore unpatched fetch first
fetch = originalFetch;
}
var ZoneAwarePromise = global.Promise;
var symbolThenPatched = api.symbol('thenPatched');
var fetchTaskScheduling = api.symbol('fetchTaskScheduling');
var fetchTaskAborting = api.symbol('fetchTaskAborting');
var OriginalAbortController = global['AbortController'];
var supportAbort = typeof OriginalAbortController === 'function';
var abortNative = null;
if (supportAbort) {
global['AbortController'] = function () {
var abortController = new OriginalAbortController();
var signal = abortController.signal;
signal.abortController = abortController;
return abortController;
};
abortNative = api.patchMethod(OriginalAbortController.prototype, 'abort', function (delegate) { return function (self, args) {
if (self.task) {
return self.task.zone.cancelTask(self.task);
}
return delegate.apply(self, args);
}; });
}
var placeholder = function () { };
global['fetch'] = function () {
var _this = this;
var args = Array.prototype.slice.call(arguments);
var options = args.length > 1 ? args[1] : null;
var signal = options && options.signal;
return new Promise(function (res, rej) {
var task = Zone.current.scheduleMacroTask('fetch', placeholder, { fetchArgs: args }, function () {
var fetchPromise;
var zone = Zone.current;
try {
zone[fetchTaskScheduling] = true;
fetchPromise = fetch.apply(_this, args);
}
catch (error) {
rej(error);
return;
}
finally {
zone[fetchTaskScheduling] = false;
}
if (!(fetchPromise instanceof ZoneAwarePromise)) {
var ctor = fetchPromise.constructor;
if (!ctor[symbolThenPatched]) {
api.patchThen(ctor);
}
}
fetchPromise.then(function (resource) {
if (task.state !== 'notScheduled') {
task.invoke();
}
res(resource);
}, function (error) {
if (task.state !== 'notScheduled') {
task.invoke();
}
rej(error);
});
}, function () {
if (!supportAbort) {
rej('No AbortController supported, can not cancel fetch');
return;
}
if (signal && signal.abortController && !signal.aborted &&
typeof signal.abortController.abort === 'function' && abortNative) {
try {
Zone.current[fetchTaskAborting] = true;
abortNative.call(signal.abortController);
}
finally {
Zone.current[fetchTaskAborting] = false;
}
}
else {
rej('cancel fetch need a AbortController.signal');
}
});
if (signal && signal.abortController) {
signal.abortController.task = task;
}
});
};
});
}));