/**
 * @license
 * web-streams-polyfill v4.0.0-beta.1
 * 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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t=e._controlledReadableStream;if(vt(t)&&U(t)>0)V(t,r,!1);else{var o=void 0;try{o=e._strategySizeAlgorithm(r)}catch(r){throw tt(e,r),r}try{se(e,r,o)}catch(r){throw tt(e,r),r}}Kr(e)}}function tt(e,r){var t=e._controlledReadableStream;"readable"===t._state&&(ce(e),$r(e),wt(t,r))}function ot(e){var r=e._controlledReadableStream._state;return"errored"===r?null:"closed"===r?0:e._strategyHWM-e._queueTotalSize}function nt(e){var r=e._controlledReadableStream._state;return!e._closeRequested&&"readable"===r}function at(e,r,t,o,n,a,i){r._controlledReadableStream=e,r._queue=void 0,r._queueTotalSize=void 0,ce(r),r._started=!1,r._closeRequested=!1,r._pullAgain=!1,r._pulling=!1,r._strategySizeAlgorithm=i,r._strategyHWM=a,r._pullAlgorithm=o,r._cancelAlgorithm=n,e._readableStreamController=r,f(s(t()),(function(){r._started=!0,Kr(r)}),(function(e){tt(r,e)}))}function it(e){return new TypeError("ReadableStreamDefaultController.prototype."+e+" can only be used on a 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u=t?n:o,s=t?o:n;Ne(i,r,{_chunkSteps:function(r){m((function(){l=!1;var o=t?d:c;if(t?c:d)o||Ae(u._readableStreamController,r);else{var n=void 0;try{n=le(r)}catch(r){return We(u._readableStreamController,r),We(s._readableStreamController,r),void a(gt(e,r))}o||Ae(u._readableStreamController,r),Oe(s._readableStreamController,n)}}))},_closeSteps:function(e){l=!1;var r=t?d:c,o=t?c:d;r||Ee(u._readableStreamController),o||Ee(s._readableStreamController),void 0!==e&&(r||Ae(u._readableStreamController,e),!o&&s._readableStreamController._pendingPullIntos.length>0&&Be(s._readableStreamController,0)),r&&o||a(void 0)},_errorSteps:function(){l=!1}})}function y(){if(l)return s(void 0);l=!0;var e=je(o._readableStreamController);return null===e?_():h(e._view,!1),s(void 0)}function v(){if(l)return s(void 0);l=!0;var e=je(n._readableStreamController);return null===e?_():h(e._view,!0),s(void 0)}function g(o){if(c=!0,r=o,d){var n=ne([r,t]),i=gt(e,n);a(i)}return f}function S(o){if(d=!0,t=o,c){var n=ne([r,t]),i=gt(e,n);a(i)}return f}function w(){}return o=ht(w,y,g),n=ht(w,v,S),b(i),[o,n]}(e):function(e,r){var t,o,n,a,i,l=N(e),c=!1,d=!1,f=!1,b=u((function(e){i=e}));function _(){return c||(c=!0,K(l,{_chunkSteps:function(e){m((function(){c=!1;var r=e,t=e;d||rt(n._readableStreamController,r),f||rt(a._readableStreamController,t)}))},_closeSteps:function(){c=!1,d||et(n._readableStreamController),f||et(a._readableStreamController),d&&f||i(void 0)},_errorSteps:function(){c=!1}})),s(void 0)}function h(r){if(d=!0,t=r,f){var n=ne([t,o]),a=gt(e,n);i(a)}return b}function y(r){if(f=!0,o=r,d){var n=ne([t,o]),a=gt(e,n);i(a)}return b}function v(){}return n=_t(v,_,h),a=_t(v,_,y),p(l._closedPromise,(function(e){tt(n._readableStreamController,e),tt(a._readableStreamController,e),d&&f||i(void 0)})),[n,a]}(e)}function ut(e,r,t){return F(e,t),function(t){return v(e,r,[t])}}function st(e,r,t){return F(e,t),function(t){return v(e,r,[t])}}function ct(e,r,t){return F(e,t),function(t){return y(e,r,[t])}}function dt(e,r){if("bytes"!==(e=""+e))throw new TypeError(r+" '"+e+"' is not a valid enumeration value for ReadableStreamType");return e}function ft(e,r){if("byob"!==(e=""+e))throw new TypeError(r+" '"+e+"' is not a valid enumeration value for ReadableStreamReaderMode");return e}function bt(e,r){z(e,r);var t=null==e?void 0:e.preventAbort,o=null==e?void 0:e.preventCancel,n=null==e?void 0:e.preventClose,a=null==e?void 0:e.signal;return void 0!==a&&function(e,r){if(!function(e){if("object"!=typeof e||null===e)return!1;try{return"boolean"==typeof e.aborted}catch(e){return!1}}(e))throw new TypeError(r+" is not an AbortSignal.")}(a,r+" has member 'signal' that"),{preventAbort:Boolean(t),preventCancel:Boolean(o),preventClose:Boolean(n),signal:a}}Object.defineProperties(Xr.prototype,{close:{enumerable:!0},enqueue:{enumerable:!0},error:{enumerable:!0},desiredSize:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(Xr.prototype,e.toStringTag,{value:"ReadableStreamDefaultController",configurable:!0});var pt=function(){function ReadableStream(e,r){void 0===e&&(e={}),void 0===r&&(r={}),void 0===e?e=null:I(e,"First parameter");var t=Ge(r,"Second parameter"),o=function(e,r){z(e,r);var t=e,o=null==t?void 0:t.autoAllocateChunkSize,n=null==t?void 0:t.cancel,a=null==t?void 0:t.pull,i=null==t?void 0:t.start,l=null==t?void 0:t.type;return{autoAllocateChunkSize:void 0===o?void 0:Y(o,r+" has member 'autoAllocateChunkSize' that"),cancel:void 0===n?void 0:ut(n,t,r+" has member 'cancel' that"),pull:void 0===a?void 0:st(a,t,r+" has member 'pull' that"),start:void 0===i?void 0:ct(i,t,r+" has member 'start' that"),type:void 0===l?void 0:dt(l,r+" has member 'type' that")}}(e,"First parameter");if(mt(this),"bytes"===o.type){if(void 0!==t.size)throw new RangeError("The strategy for a byte stream cannot have a size function");!function(e,r,t){var o=Object.create(fe.prototype),n=function(){},a=function(){return s(void 0)},i=function(){return s(void 0)};void 0!==r.start&&(n=function(){return r.start(o)}),void 0!==r.pull&&(a=function(){return r.pull(o)}),void 0!==r.cancel&&(i=function(e){return r.cancel(e)});var l=r.autoAllocateChunkSize;if(0===l)throw new TypeError("autoAllocateChunkSize must be greater than 0");ze(e,o,n,a,i,t,l)}(this,o,Ve(t,0))}else{var n=Ue(t);!function(e,r,t,o){var n=Object.create(Xr.prototype),a=function(){},i=function(){return s(void 0)},l=function(){return s(void 0)};void 0!==r.start&&(a=function(){return r.start(n)}),void 0!==r.pull&&(i=function(){return r.pull(n)}),void 0!==r.cancel&&(l=function(e){return r.cancel(e)}),at(e,n,a,i,l,t,o)}(this,o,Ve(t,1),n)}}return Object.defineProperty(ReadableStream.prototype,"locked",{get:function(){if(!yt(this))throw Rt("locked");return vt(this)},enumerable:!1,configurable:!0}),ReadableStream.prototype.cancel=function(e){return void 0===e&&(e=void 0),yt(this)?vt(this)?c(new TypeError("Cannot cancel a stream that already has a reader")):gt(this,e):c(Rt("cancel"))},ReadableStream.prototype.getReader=function(e){if(void 0===e&&(e=void 0),!yt(this))throw Rt("getReader");return void 0===function(e,r){z(e,r);var t=null==e?void 0:e.mode;return{mode:void 0===t?void 0:ft(t,r+" has member 'mode' that")}}(e,"First parameter").mode?N(this):De(this)},ReadableStream.prototype.pipeThrough=function(e,r){if(void 0===r&&(r={}),!yt(this))throw Rt("pipeThrough");D(e,1,"pipeThrough");var t=function(e,r){z(e,r);var t=null==e?void 0:e.readable;L(t,"readable","ReadableWritablePair"),x(t,r+" has member 'readable' that");var o=null==e?void 0:e.writable;return L(o,"writable","ReadableWritablePair"),er(o,r+" has member 'writable' that"),{readable:t,writable:o}}(e,"First parameter"),o=bt(r,"Second parameter");if(vt(this))throw new TypeError("ReadableStream.prototype.pipeThrough cannot be used on a locked ReadableStream");if(ir(t.writable))throw new TypeError("ReadableStream.prototype.pipeThrough cannot be used on a locked WritableStream");return h(Gr(this,t.writable,o.preventClose,o.preventAbort,o.preventCancel,o.signal)),t.readable},ReadableStream.prototype.pipeTo=function(e,r){if(void 0===r&&(r={}),!yt(this))return c(Rt("pipeTo"));if(void 0===e)return c("Parameter 1 is required in 'pipeTo'.");if(!ar(e))return c(new TypeError("ReadableStream.prototype.pipeTo's first argument must be a WritableStream"));var t;try{t=bt(r,"Second parameter")}catch(e){return c(e)}return vt(this)?c(new TypeError("ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream")):ir(e)?c(new TypeError("ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream")):Gr(this,e,t.preventClose,t.preventAbort,t.preventCancel,t.signal)},ReadableStream.prototype.tee=function(){if(!yt(this))throw Rt("tee");return ne(lt(this))},ReadableStream.prototype.values=function(e){if(void 0===e&&(e=void 0),!yt(this))throw Rt("values");var r,t,o,n,a,i=function(e,r){z(e,r);var t=null==e?void 0:e.preventCancel;return{preventCancel:Boolean(t)}}(e,"First parameter");return r=this,t=i.preventCancel,o=N(r),n=new $(o,t),(a=Object.create(ee))._asyncIteratorImpl=n,a},ReadableStream}();function _t(e,r,t,o,n){void 0===o&&(o=1),void 0===n&&(n=function(){return 1});var a=Object.create(pt.prototype);return mt(a),at(a,Object.create(Xr.prototype),e,r,t,o,n),a}function ht(e,r,t){var o=Object.create(pt.prototype);return mt(o),ze(o,Object.create(fe.prototype),e,r,t,0,void 0),o}function mt(e){e._state="readable",e._reader=void 0,e._storedError=void 0,e._disturbed=!1}function yt(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_readableStreamController")&&e instanceof pt)}function vt(e){return void 0!==e._reader}function gt(e,t){if(e._disturbed=!0,"closed"===e._state)return s(void 0);if("errored"===e._state)return c(e._storedError);St(e);var o=e._reader;return void 0!==o&&xe(o)&&(o._readIntoRequests.forEach((function(e){e._closeSteps(void 0)})),o._readIntoRequests=new g),_(e._readableStreamController[j](t),r)}function St(e){e._state="closed";var r=e._reader;void 0!==r&&(E(r),J(r)&&(r._readRequests.forEach((function(e){e._closeSteps()})),r._readRequests=new g))}function wt(e,r){e._state="errored",e._storedError=r;var t=e._reader;void 0!==t&&(q(t,r),J(t)?(t._readRequests.forEach((function(e){e._errorSteps(r)})),t._readRequests=new g):(t._readIntoRequests.forEach((function(e){e._errorSteps(r)})),t._readIntoRequests=new g))}function Rt(e){return new TypeError("ReadableStream.prototype."+e+" can only be used on a ReadableStream")}function Tt(e,r){z(e,r);var t=null==e?void 0:e.highWaterMark;return L(t,"highWaterMark","QueuingStrategyInit"),{highWaterMark:M(t)}}Object.defineProperties(pt.prototype,{cancel:{enumerable:!0},getReader:{enumerable:!0},pipeThrough:{enumerable:!0},pipeTo:{enumerable:!0},tee:{enumerable:!0},values:{enumerable:!0},locked:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(pt.prototype,e.toStringTag,{value:"ReadableStream",configurable:!0}),"symbol"==typeof e.asyncIterator&&Object.defineProperty(pt.prototype,e.asyncIterator,{value:pt.prototype.values,writable:!0,configurable:!0});var Ct=function(e){return e.byteLength};Object.defineProperty(Ct,"name",{value:"size",configurable:!0});var Pt=function(){function ByteLengthQueuingStrategy(e){D(e,1,"ByteLengthQueuingStrategy"),e=Tt(e,"First parameter"),this._byteLengthQueuingStrategyHighWaterMark=e.highWaterMark}return Object.defineProperty(ByteLengthQueuingStrategy.prototype,"highWaterMark",{get:function(){if(!Et(this))throw qt("highWaterMark");return this._byteLengthQueuingStrategyHighWaterMark},enumerable:!1,configurable:!0}),Object.defineProperty(ByteLengthQueuingStrategy.prototype,"size",{get:function(){if(!Et(this))throw qt("size");return Ct},enumerable:!1,configurable:!0}),ByteLengthQueuingStrategy}();function qt(e){return new TypeError("ByteLengthQueuingStrategy.prototype."+e+" can only be used on a ByteLengthQueuingStrategy")}function Et(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_byteLengthQueuingStrategyHighWaterMark")&&e instanceof Pt)}Object.defineProperties(Pt.prototype,{highWaterMark:{enumerable:!0},size:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(Pt.prototype,e.toStringTag,{value:"ByteLengthQueuingStrategy",configurable:!0});var Ot=function(){return 1};Object.defineProperty(Ot,"name",{value:"size",configurable:!0});var Wt=function(){function CountQueuingStrategy(e){D(e,1,"CountQueuingStrategy"),e=Tt(e,"First parameter"),this._countQueuingStrategyHighWaterMark=e.highWaterMark}return Object.defineProperty(CountQueuingStrategy.prototype,"highWaterMark",{get:function(){if(!kt(this))throw jt("highWaterMark");return this._countQueuingStrategyHighWaterMark},enumerable:!1,configurable:!0}),Object.defineProperty(CountQueuingStrategy.prototype,"size",{get:function(){if(!kt(this))throw jt("size");return Ot},enumerable:!1,configurable:!0}),CountQueuingStrategy}();function jt(e){return new TypeError("CountQueuingStrategy.prototype."+e+" can only be used on a CountQueuingStrategy")}function kt(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_countQueuingStrategyHighWaterMark")&&e instanceof Wt)}function Bt(e,r,t){return F(e,t),function(t){return v(e,r,[t])}}function At(e,r,t){return F(e,t),function(t){return y(e,r,[t])}}function zt(e,r,t){return F(e,t),function(t,o){return v(e,r,[t,o])}}Object.defineProperties(Wt.prototype,{highWaterMark:{enumerable:!0},size:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(Wt.prototype,e.toStringTag,{value:"CountQueuingStrategy",configurable:!0});var Ft=function(){function TransformStream(e,r,t){void 0===e&&(e={}),void 0===r&&(r={}),void 0===t&&(t={}),void 0===e&&(e=null);var o=Ge(r,"Second parameter"),n=Ge(t,"Third parameter"),a=function(e,r){z(e,r);var t=null==e?void 0:e.flush,o=null==e?void 0:e.readableType,n=null==e?void 0:e.start,a=null==e?void 0:e.transform,i=null==e?void 0:e.writableType;return{flush:void 0===t?void 0:Bt(t,e,r+" has member 'flush' that"),readableType:o,start:void 0===n?void 0:At(n,e,r+" has member 'start' that"),transform:void 0===a?void 0:zt(a,e,r+" has member 'transform' that"),writableType:i}}(e,"First parameter");if(void 0!==a.readableType)throw new RangeError("Invalid readableType specified");if(void 0!==a.writableType)throw new RangeError("Invalid writableType specified");var i,l=Ve(n,0),d=Ue(n),f=Ve(o,1),b=Ue(o);!function(e,r,t,o,n,a){function i(){return r}function l(r){return function(e,r){var t=e._transformStreamController;if(e._backpressure){return _(e._backpressureChangePromise,(function(){var o=e._writable;if("erroring"===o._state)throw o._storedError;return Ht(t,r)}))}return Ht(t,r)}(e,r)}function u(r){return function(e,r){return Dt(e,r),s(void 0)}(e,r)}function c(){return function(e){var r=e._readable,t=e._transformStreamController,o=t._flushAlgorithm();return xt(t),_(o,(function(){if("errored"===r._state)throw r._storedError;et(r._readableStreamController)}),(function(t){throw Dt(e,t),r._storedError}))}(e)}function d(){return function(e){return Mt(e,!1),e._backpressureChangePromise}(e)}function f(r){return Lt(e,r),s(void 0)}e._writable=function(e,r,t,o,n,a){void 0===n&&(n=1),void 0===a&&(a=function(){return 1});var i=Object.create(tr.prototype);return nr(i),Cr(i,Object.create(Rr.prototype),e,r,t,o,n,a),i}(i,l,c,u,t,o),e._readable=_t(i,d,f,n,a),e._backpressure=void 0,e._backpressureChangePromise=void 0,e._backpressureChangePromise_resolve=void 0,Mt(e,!0),e._transformStreamController=void 0}(this,u((function(e){i=e})),f,b,l,d),function(e,r){var t=Object.create(Qt.prototype),o=function(e){try{return Nt(t,e),s(void 0)}catch(e){return c(e)}},n=function(){return s(void 0)};void 0!==r.transform&&(o=function(e){return r.transform(e,t)});void 0!==r.flush&&(n=function(){return r.flush(t)});!function(e,r,t,o){r._controlledTransformStream=e,e._transformStreamController=r,r._transformAlgorithm=t,r._flushAlgorithm=o}(e,t,o,n)}(this,a),void 0!==a.start?i(a.start(this._transformStreamController)):i(void 0)}return Object.defineProperty(TransformStream.prototype,"readable",{get:function(){if(!It(this))throw Ut("readable");return this._readable},enumerable:!1,configurable:!0}),Object.defineProperty(TransformStream.prototype,"writable",{get:function(){if(!It(this))throw Ut("writable");return this._writable},enumerable:!1,configurable:!0}),TransformStream}();function It(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_transformStreamController")&&e instanceof Ft)}function Dt(e,r){tt(e._readable._readableStreamController,r),Lt(e,r)}function Lt(e,r){xt(e._transformStreamController),Or(e._writable._writableStreamController,r),e._backpressure&&Mt(e,!1)}function Mt(e,r){void 0!==e._backpressureChangePromise&&e._backpressureChangePromise_resolve(),e._backpressureChangePromise=u((function(r){e._backpressureChangePromise_resolve=r})),e._backpressure=r}Object.defineProperties(Ft.prototype,{readable:{enumerable:!0},writable:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(Ft.prototype,e.toStringTag,{value:"TransformStream",configurable:!0});var Qt=function(){function TransformStreamDefaultController(){throw new TypeError("Illegal constructor")}return Object.defineProperty(TransformStreamDefaultController.prototype,"desiredSize",{get:function(){if(!Yt(this))throw Vt("desiredSize");return ot(this._controlledTransformStream._readable._readableStreamController)},enumerable:!1,configurable:!0}),TransformStreamDefaultController.prototype.enqueue=function(e){if(void 0===e&&(e=void 0),!Yt(this))throw Vt("enqueue");Nt(this,e)},TransformStreamDefaultController.prototype.error=function(e){if(void 0===e&&(e=void 0),!Yt(this))throw Vt("error");var r;r=e,Dt(this._controlledTransformStream,r)},TransformStreamDefaultController.prototype.terminate=function(){if(!Yt(this))throw Vt("terminate");!function(e){var r=e._controlledTransformStream;et(r._readable._readableStreamController);var t=new TypeError("TransformStream terminated");Lt(r,t)}(this)},TransformStreamDefaultController}();function Yt(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_controlledTransformStream")&&e instanceof Qt)}function xt(e){e._transformAlgorithm=void 0,e._flushAlgorithm=void 0}function Nt(e,r){var t=e._controlledTransformStream,o=t._readable._readableStreamController;if(!nt(o))throw new TypeError("Readable side is not in a state that permits enqueue");try{rt(o,r)}catch(e){throw Lt(t,e),t._readable._storedError}(function(e){return!Zr(e)})(o)!==t._backpressure&&Mt(t,!0)}function Ht(e,r){return _(e._transformAlgorithm(r),void 0,(function(r){throw Dt(e._controlledTransformStream,r),r}))}function Vt(e){return new TypeError("TransformStreamDefaultController.prototype."+e+" can only be used on a TransformStreamDefaultController")}function Ut(e){return new TypeError("TransformStream.prototype."+e+" can only be used on a TransformStream")}Object.defineProperties(Qt.prototype,{enqueue:{enumerable:!0},error:{enumerable:!0},terminate:{enumerable:!0},desiredSize:{enumerable:!0}}),"symbol"==typeof e.toStringTag&&Object.defineProperty(Qt.prototype,e.toStringTag,{value:"TransformStreamDefaultController",configurable:!0});export{Pt as ByteLengthQueuingStrategy,Wt as CountQueuingStrategy,fe as ReadableByteStreamController,pt as ReadableStream,Ye as ReadableStreamBYOBReader,de as ReadableStreamBYOBRequest,Xr as ReadableStreamDefaultController,X as ReadableStreamDefaultReader,Ft as TransformStream,Qt as TransformStreamDefaultController,tr as WritableStream,Rr as WritableStreamDefaultController,_r as WritableStreamDefaultWriter};