@bytedance/mona-client-web
Version:
web for mona
358 lines • 14.7 kB
JavaScript
;
/**
* [abortcontroller-polyfill]{@link https://github.com/mo/abortcontroller-polyfill}
*/
/*jslint bitwise: true */
(function (factory) {
typeof define === 'function' && define.amd ? define(factory) : factory();
})(function () {
'use strict';
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError('Cannot call a class as a function');
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ('value' in descriptor)
descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps)
_defineProperties(Constructor.prototype, protoProps);
if (staticProps)
_defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, 'prototype', {
writable: false,
});
return Constructor;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== 'function' && superClass !== null) {
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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value: subClass,
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});
Object.defineProperty(subClass, 'prototype', {
writable: false,
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function _getPrototypeOf(o) {
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return _setPrototypeOf(o, p);
}
function _isNativeReflectConstruct() {
if (typeof Reflect === 'undefined' || !Reflect.construct)
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if (Reflect.construct.sham)
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if (typeof Proxy === 'function')
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try {
Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () { }));
return true;
}
catch (e) {
return false;
}
}
function _assertThisInitialized(self) {
if (self === void 0) {
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function _possibleConstructorReturn(self, call) {
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else if (call !== void 0) {
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return _assertThisInitialized(self);
}
function _createSuper(Derived) {
var hasNativeReflectConstruct = _isNativeReflectConstruct();
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var Super = _getPrototypeOf(Derived), result;
if (hasNativeReflectConstruct) {
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result = Reflect.construct(Super, arguments, NewTarget);
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function _superPropBase(object, property) {
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var desc = Object.getOwnPropertyDescriptor(base, property);
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return desc.value;
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return _get.apply(this, arguments);
}
var Emitter = /*#__PURE__*/ (function () {
function Emitter() {
_classCallCheck(this, Emitter);
Object.defineProperty(this, 'listeners', {
value: {},
writable: true,
configurable: true,
});
}
_createClass(Emitter, [
{
key: 'addEventListener',
value: function addEventListener(type, callback, options) {
if (!(type in this.listeners)) {
this.listeners[type] = [];
}
this.listeners[type].push({
callback: callback,
options: options,
});
},
},
{
key: 'removeEventListener',
value: function removeEventListener(type, callback) {
if (!(type in this.listeners)) {
return;
}
var stack = this.listeners[type];
for (var i = 0, l = stack.length; i < l; i++) {
if (stack[i].callback === callback) {
stack.splice(i, 1);
return;
}
}
},
},
{
key: 'dispatchEvent',
value: function dispatchEvent(event) {
if (!(event.type in this.listeners)) {
return;
}
var stack = this.listeners[event.type];
var stackToCall = stack.slice();
for (var i = 0, l = stackToCall.length; i < l; i++) {
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try {
listener.callback.call(this, event);
}
catch (e) {
Promise.resolve().then(function () {
throw e;
});
}
if (listener.options && listener.options.once) {
this.removeEventListener(event.type, listener.callback);
}
}
return !event.defaultPrevented;
},
},
]);
return Emitter;
})();
var AbortSignal = /*#__PURE__*/ (function (_Emitter) {
_inherits(AbortSignal, _Emitter);
var _super = _createSuper(AbortSignal);
function AbortSignal() {
var _this;
_classCallCheck(this, AbortSignal);
_this = _super.call(this); // Some versions of babel does not transpile super() correctly for IE <= 10, if the parent
// constructor has failed to run, then "this.listeners" will still be undefined and then we call
// the parent constructor directly instead as a workaround. For general details, see babel bug:
// https://github.com/babel/babel/issues/3041
// This hack was added as a fix for the issue described here:
// https://github.com/Financial-Times/polyfill-library/pull/59#issuecomment-477558042
if (!_this.listeners) {
Emitter.call(_assertThisInitialized(_this));
} // Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
// we want Object.keys(new AbortController().signal) to be [] for compat with the native impl
Object.defineProperty(_assertThisInitialized(_this), 'aborted', {
value: false,
writable: true,
configurable: true,
});
Object.defineProperty(_assertThisInitialized(_this), 'onabort', {
value: null,
writable: true,
configurable: true,
});
Object.defineProperty(_assertThisInitialized(_this), 'reason', {
value: undefined,
writable: true,
configurable: true,
});
return _this;
}
_createClass(AbortSignal, [
{
key: 'toString',
value: function toString() {
return '[object AbortSignal]';
},
},
{
key: 'dispatchEvent',
value: function dispatchEvent(event) {
if (event.type === 'abort') {
this.aborted = true;
if (typeof this.onabort === 'function') {
this.onabort.call(this, event);
}
}
_get(_getPrototypeOf(AbortSignal.prototype), 'dispatchEvent', this).call(this, event);
},
},
]);
return AbortSignal;
})(Emitter);
var AbortController = /*#__PURE__*/ (function () {
function AbortController() {
_classCallCheck(this, AbortController);
// Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
// we want Object.keys(new AbortController()) to be [] for compat with the native impl
Object.defineProperty(this, 'signal', {
value: new AbortSignal(),
writable: true,
configurable: true,
});
}
_createClass(AbortController, [
{
key: 'abort',
value: function abort(reason) {
var event;
try {
event = new Event('abort');
}
catch (e) {
if (typeof document !== 'undefined') {
if (!document.createEvent) {
// For Internet Explorer 8:
event = document.createEventObject();
event.type = 'abort';
}
else {
// For Internet Explorer 11:
event = document.createEvent('Event');
event.initEvent('abort', false, false);
}
}
else {
// Fallback where document isn't available:
event = {
type: 'abort',
bubbles: false,
cancelable: false,
};
}
}
var signalReason = reason;
if (signalReason === undefined) {
if (typeof document === 'undefined') {
signalReason = new Error('This operation was aborted');
signalReason.name = 'AbortError';
}
else {
try {
signalReason = new DOMException('signal is aborted without reason');
}
catch (err) {
// IE 11 does not support calling the DOMException constructor, use a
// regular error object on it instead.
signalReason = new Error('This operation was aborted');
signalReason.name = 'AbortError';
}
}
}
this.signal.reason = signalReason;
this.signal.dispatchEvent(event);
},
},
{
key: 'toString',
value: function toString() {
return '[object AbortController]';
},
},
]);
return AbortController;
})();
if (typeof Symbol !== 'undefined' && Symbol.toStringTag) {
// These are necessary to make sure that we get correct output for:
// Object.prototype.toString.call(new AbortController())
AbortController.prototype[Symbol.toStringTag] = 'AbortController';
AbortSignal.prototype[Symbol.toStringTag] = 'AbortSignal';
}
function polyfillNeeded(self) {
if (self.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
console.log('__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL=true is set, will force install polyfill');
return true;
} // Note that the "unfetch" minimal fetch polyfill defines fetch() without
// defining window.Request, and this polyfill need to work on top of unfetch
// so the below feature detection needs the !self.AbortController part.
// The Request.prototype check is also needed because Safari versions 11.1.2
// up to and including 12.1.x has a window.AbortController present but still
// does NOT correctly implement abortable fetch:
// https://bugs.webkit.org/show_bug.cgi?id=174980#c2
return ((typeof self.Request === 'function' && !self.Request.prototype.hasOwnProperty('signal')) || !self.AbortController);
}
(function (self) {
if (!polyfillNeeded(self)) {
return;
}
self.AbortController = AbortController;
self.AbortSignal = AbortSignal;
})(typeof self !== 'undefined' ? self : global);
});
//# sourceMappingURL=abortcontroller-polfill.js.map