hexo/node_modules/web-streams-polyfill/dist/polyfill.es5.js

/**
 * @license
 * web-streams-polyfill v4.0.0-beta.3
 * Copyright 2021 Mattias Buelens, Diwank Singh Tomer and other contributors.
 * This code is released under the MIT license.
 * SPDX-License-Identifier: MIT
 */
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r,t,n=s((function(e,n){r=e,t=n}));return function(e,r,t){var n=e._ownerReadableStream;n._disturbed=!0,"errored"===n._state?t._errorSteps(n._storedError):function(e,r,t){var n=e._controlledReadableByteStream,o=1;r.constructor!==DataView&&(o=r.constructor.BYTES_PER_ELEMENT);var a=r.constructor,i=r.buffer,l={buffer:i,bufferByteLength:i.byteLength,byteOffset:r.byteOffset,byteLength:r.byteLength,bytesFilled:0,elementSize:o,viewConstructor:a,readerType:"byob"};if(e._pendingPullIntos.length>0)return e._pendingPullIntos.push(l),void Fe(n,t);if("closed"!==n._state){if(e._queueTotalSize>0){if(Re(e,l)){var u=me(l);return qe(e),void t._chunkSteps(u)}if(e._closeRequested){var s=new TypeError("Insufficient bytes to fill elements in the given buffer");return ke(e,s),void t._errorSteps(s)}}e._pendingPullIntos.push(l),Fe(n,t),_e(e)}else{var c=new a(l.buffer,l.byteOffset,0);t._closeSteps(c)}}(n._readableStreamController,r,t)}(this,e,{_chunkSteps:function(e){return 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r.write(e,u)}:function(){return c(void 0)};i=void 0!==r.close?function(){return r.close()}:function(){return c(void 0)};l=void 0!==r.abort?function(e){return r.abort(e)}:function(){return c(void 0)};!function(e,r,t,n,o,a,i,l){r._controlledWritableStream=e,e._writableStreamController=r,r._queue=void 0,r._queueTotalSize=void 0,de(r),r._abortReason=void 0,r._abortController=function(){if(Ze)return new AbortController}(),r._started=!1,r._strategySizeAlgorithm=l,r._strategyHWM=i,r._writeAlgorithm=n,r._closeAlgorithm=o,r._abortAlgorithm=a;var u=gr(r);sr(e,u),b(c(t()),(function(){return r._started=!0,vr(r),null}),(function(t){return r._started=!0,or(e,t),null}))}(e,u,o,a,i,l,t,n)}(this,o,He(n,1),a)}return Object.defineProperty(WritableStream.prototype,"locked",{get:function(){if(!er(this))throw Sr("locked");return rr(this)},enumerable:!1,configurable:!0}),WritableStream.prototype.abort=function(e){return void 0===e&&(e=void 0),er(this)?rr(this)?d(new TypeError("Cannot abort a stream that 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a=s((function(t,n){e._pendingAbortRequest={_promise:void 0,_resolve:t,_reject:n,_reason:r,_wasAlreadyErroring:o}}));return e._pendingAbortRequest._promise=a,o||ar(e,r),a}function nr(e){var r=e._state;if("closed"===r||"errored"===r)return d(new TypeError("The stream (in ".concat(r," state) is not in the writable state and cannot be closed")));var t,n=s((function(r,t){var n={_resolve:r,_reject:t};e._closeRequest=n})),o=e._writer;return void 0!==o&&e._backpressure&&"writable"===r&&Ar(o),ce(t=e._writableStreamController,br,0),vr(t),n}function or(e,r){"writable"!==e._state?ir(e):ar(e,r)}function ar(e,r){var t=e._writableStreamController;e._state="erroring",e._storedError=r;var n=e._writer;void 0!==n&&fr(n,r),!function(e){if(void 0===e._inFlightWriteRequest&&void 0===e._inFlightCloseRequest)return!1;return!0}(e)&&t._started&&ir(e)}function ir(e){e._state="errored",e._writableStreamController[R]();var r=e._storedError;if(e._writeRequests.forEach((function(e){e._reject(r)})),e._writeRequests=new w,void 0!==e._pendingAbortRequest){var t=e._pendingAbortRequest;if(e._pendingAbortRequest=void 0,t._wasAlreadyErroring)return t._reject(r),void ur(e);b(e._writableStreamController[S](t._reason),(function(){return t._resolve(),ur(e),null}),(function(r){return t._reject(r),ur(e),null}))}else ur(e)}function lr(e){return void 0!==e._closeRequest||void 0!==e._inFlightCloseRequest}function ur(e){void 0!==e._closeRequest&&(e._closeRequest._reject(e._storedError),e._closeRequest=void 0);var r=e._writer;void 0!==r&&Er(r,e._storedError)}function sr(e,r){var t=e._writer;void 0!==t&&r!==e._backpressure&&(r?function(e){Wr(e)}(t):Ar(t)),e._backpressure=r}Object.defineProperties($e.prototype,{abort:{enumerable:!0},close:{enumerable:!0},getWriter:{enumerable:!0},locked:{enumerable:!0}}),o($e.prototype.abort,"abort"),o($e.prototype.close,"close"),o($e.prototype.getWriter,"getWriter"),"symbol"==typeof e.toStringTag&&Object.defineProperty($e.prototype,e.toStringTag,{value:"WritableStream",configurable:!0});var cr=function(){function WritableStreamDefaultWriter(e){if(M(e,1,"WritableStreamDefaultWriter"),function(e,r){if(!er(e))throw new TypeError("".concat(r," is not a WritableStream."))}(e,"First parameter"),rr(e))throw new TypeError("This stream has already been locked for exclusive writing by another writer");this._ownerWritableStream=e,e._writer=this;var r,t=e._state;if("writable"===t)!lr(e)&&e._backpressure?Wr(this):jr(this),Pr(this);else if("erroring"===t)kr(this,e._storedError),Pr(this);else if("closed"===t)jr(this),Pr(r=this),Or(r);else{var n=e._storedError;kr(this,n),Cr(this,n)}}return Object.defineProperty(WritableStreamDefaultWriter.prototype,"closed",{get:function(){return dr(this)?this._closedPromise:d(Tr("closed"))},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"desiredSize",{get:function(){if(!dr(this))throw Tr("desiredSize");if(void 0===this._ownerWritableStream)throw qr("desiredSize");return function(e){var r=e._ownerWritableStream,t=r._state;if("errored"===t||"erroring"===t)return null;if("closed"===t)return 0;return yr(r._writableStreamController)}(this)},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"ready",{get:function(){return dr(this)?this._readyPromise:d(Tr("ready"))},enumerable:!1,configurable:!0}),WritableStreamDefaultWriter.prototype.abort=function(e){return void 0===e&&(e=void 0),dr(this)?void 0===this._ownerWritableStream?d(qr("abort")):function(e,r){return tr(e._ownerWritableStream,r)}(this,e):d(Tr("abort"))},WritableStreamDefaultWriter.prototype.close=function(){if(!dr(this))return d(Tr("close"));var e=this._ownerWritableStream;return void 0===e?d(qr("close")):lr(e)?d(new TypeError("Cannot close an already-closing 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e.toStringTag&&Object.defineProperty(cr.prototype,e.toStringTag,{value:"WritableStreamDefaultWriter",configurable:!0});var br={},pr=function(){function WritableStreamDefaultController(){throw new TypeError("Illegal constructor")}return Object.defineProperty(WritableStreamDefaultController.prototype,"abortReason",{get:function(){if(!hr(this))throw Rr("abortReason");return this._abortReason},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultController.prototype,"signal",{get:function(){if(!hr(this))throw Rr("signal");if(void 0===this._abortController)throw new TypeError("WritableStreamDefaultController.prototype.signal is not supported");return this._abortController.signal},enumerable:!1,configurable:!0}),WritableStreamDefaultController.prototype.error=function(e){if(void 0===e&&(e=void 0),!hr(this))throw Rr("error");"writable"===this._controlledWritableStream._state&&wr(this,e)},WritableStreamDefaultController.prototype[S]=function(e){var r=this._abortAlgorithm(e);return _r(this),r},WritableStreamDefaultController.prototype[R]=function(){de(this)},WritableStreamDefaultController}();function hr(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_controlledWritableStream")&&e instanceof pr)}function _r(e){e._writeAlgorithm=void 0,e._closeAlgorithm=void 0,e._abortAlgorithm=void 0,e._strategySizeAlgorithm=void 0}function yr(e){return e._strategyHWM-e._queueTotalSize}function vr(e){var r=e._controlledWritableStream;if(e._started&&void 0===r._inFlightWriteRequest)if("erroring"!==r._state){if(0!==e._queue.length){var t=e._queue.peek().value;t===br?function(e){var r=e._controlledWritableStream;(function(e){e._inFlightCloseRequest=e._closeRequest,e._closeRequest=void 0})(r),se(e);var t=e._closeAlgorithm();_r(e),b(t,(function(){return function(e){e._inFlightCloseRequest._resolve(void 0),e._inFlightCloseRequest=void 0,"erroring"===e._state&&(e._storedError=void 0,void 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0!==e._backpressureChangePromise&&e._backpressureChangePromise_resolve(),e._backpressureChangePromise=s((function(r){e._backpressureChangePromise_resolve=r})),e._backpressure=r}Object.defineProperties(wt.prototype,{readable:{enumerable:!0},writable:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(wt.prototype,e.toStringTag,{value:"TransformStream",configurable:!0});var Pt=function(){function TransformStreamDefaultController(){throw new TypeError("Illegal constructor")}return Object.defineProperty(TransformStreamDefaultController.prototype,"desiredSize",{get:function(){if(!Ct(this))throw kt("desiredSize");return Lt(this._controlledTransformStream)},enumerable:!1,configurable:!0}),TransformStreamDefaultController.prototype.enqueue=function(e){if(void 0===e&&(e=void 0),!Ct(this))throw kt("enqueue");Ot(this,e)},TransformStreamDefaultController.prototype.error=function(e){if(void 0===e&&(e=void 0),!Ct(this))throw kt("error");var r;r=e,Rt(this._controlledTransformStream,r)},TransformStreamDefaultController.prototype.terminate=function(){if(!Ct(this))throw kt("terminate");!function(e){var r=e._controlledTransformStream;Bt(r)&&At(r);var t=new TypeError("TransformStream terminated");Tt(r,t)}(this)},TransformStreamDefaultController}();function Ct(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_controlledTransformStream")&&e instanceof Pt)}function Et(e){e._transformAlgorithm=void 0,e._flushAlgorithm=void 0}function Ot(e,r){var t=e._controlledTransformStream;if(!Bt(t))throw new TypeError("Readable side is not in a state that permits enqueue");try{!function(e,r){e._readablePulling=!1;try{e._readableController.enqueue(r)}catch(r){throw zt(e,r),r}}(t,r)}catch(e){throw Tt(t,e),t._readableStoredError}var n=function(e){return!function(e){if(!Bt(e))return!1;if(e._readablePulling)return!0;if(Lt(e)>0)return!0;return!1}(e)}(t);n!==t._backpressure&&qt(t,!0)}function Wt(e,r){return _(e._transformAlgorithm(r),void 0,(function(r){throw Rt(e._controlledTransformStream,r),r}))}function kt(e){return new TypeError("TransformStreamDefaultController.prototype.".concat(e," can only be used on a TransformStreamDefaultController"))}function jt(e){return new TypeError("TransformStream.prototype.".concat(e," can only be used on a TransformStream"))}function Bt(e){return!e._readableCloseRequested&&"readable"===e._readableState}function At(e){e._readableState="closed",e._readableCloseRequested=!0,e._readableController.close()}function zt(e,r){"readable"===e._readableState&&(e._readableState="errored",e._readableStoredError=r),e._readableController.error(r)}function Lt(e){return e._readableController.desiredSize}function Ft(e,r){"writable"!==e._writableState?Dt(e):It(e,r)}function It(e,r){e._writableState="erroring",e._writableStoredError=r,!function(e){return e._writableHasInFlightOperation}(e)&&e._writableStarted&&Dt(e)}function Dt(e){e._writableState="errored"}function Mt(e){"erroring"===e._writableState&&Dt(e)}Object.defineProperties(Pt.prototype,{enqueue:{enumerable:!0},error:{enumerable:!0},terminate:{enumerable:!0},desiredSize:{enumerable:!0}}),o(Pt.prototype.enqueue,"enqueue"),o(Pt.prototype.error,"error"),o(Pt.prototype.terminate,"terminate"),"symbol"==typeof e.toStringTag&&Object.defineProperty(Pt.prototype,e.toStringTag,{value:"TransformStreamDefaultController",configurable:!0});var Qt="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof global?global:void 0,Yt={ReadableStream:tt,ReadableStreamDefaultController:Mr,ReadableByteStreamController:be,ReadableStreamBYOBRequest:fe,ReadableStreamDefaultReader:Z,ReadableStreamBYOBReader:Me,WritableStream:$e,WritableStreamDefaultController:pr,WritableStreamDefaultWriter:cr,ByteLengthQueuingStrategy:dt,CountQueuingStrategy:ht,TransformStream:wt,TransformStreamDefaultController:Pt};for(var Nt in Yt)Object.prototype.hasOwnProperty.call(Yt,Nt)&&Object.defineProperty(Qt,Nt,{value:Yt[Nt],writable:!0,configurable:!0})}();