hexo/node_modules/web-streams-polyfill/dist/ponyfill.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=c((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 Ie(n,t);if("closed"!==n._state){if(e._queueTotalSize>0){if(Te(e,l)){var u=ge(l);return Pe(e),void t._chunkSteps(u)}if(e._closeRequested){var s=new TypeError("Insufficient bytes to fill elements in the given buffer");return je(e,s),void t._errorSteps(s)}}e._pendingPullIntos.push(l),Ie(n,t),ye(e)}else{var c=new a(l.buffer,l.byteOffset,0);t._closeSteps(c)}}(n._readableStreamController,r,t)}(this,e,{_chunkSteps:function(e){return r({value:e,done:!1})},_closeSteps:function(e){return r({value:e,done:!0})},_errorSteps:function(e){return t(e)}}),n},ReadableStreamBYOBReader.prototype.releaseLock=function(){if(!Ye(this))throw xe("releaseLock");void 0!==this._ownerReadableStream&&function(e){O(e);var r=new TypeError("Reader was released");Ne(e,r)}(this)},ReadableStreamBYOBReader}();function Ye(e){return!!n(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_readIntoRequests")&&e instanceof Qe)}function Ne(e,r){var t=e._readIntoRequests;e._readIntoRequests=new S,t.forEach((function(e){e._errorSteps(r)}))}function xe(e){return new TypeError("ReadableStreamBYOBReader.prototype.".concat(e," can only be used on a ReadableStreamBYOBReader"))}function He(e,r){var t=e.highWaterMark;if(void 0===t)return r;if(le(t)||t<0)throw new RangeError("Invalid highWaterMark");return t}function Ve(e){var r=e.size;return r||function(){return 1}}function Ue(e,r){I(e,r);var t=null==e?void 0:e.highWaterMark,n=null==e?void 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r.write(e,u)}:function(){return d(void 0)};i=void 0!==r.close?function(){return r.close()}:function(){return d(void 0)};l=void 0!==r.abort?function(e){return r.abort(e)}:function(){return d(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,fe(r),r._abortReason=void 0,r._abortController=function(){if($e)return new AbortController}(),r._started=!1,r._strategySizeAlgorithm=l,r._strategyHWM=i,r._writeAlgorithm=n,r._closeAlgorithm=o,r._abortAlgorithm=a;var u=wr(r);cr(e,u),p(d(t()),(function(){return r._started=!0,vr(r),null}),(function(t){return r._started=!0,ar(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(!rr(this))throw Rr("locked");return tr(this)},enumerable:!1,configurable:!0}),WritableStream.prototype.abort=function(e){return void 0===e&&(e=void 0),rr(this)?tr(this)?f(new TypeError("Cannot abort a stream that 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a=c((function(t,n){e._pendingAbortRequest={_promise:void 0,_resolve:t,_reject:n,_reason:r,_wasAlreadyErroring:o}}));return e._pendingAbortRequest._promise=a,o||ir(e,r),a}function or(e){var r=e._state;if("closed"===r||"errored"===r)return f(new TypeError("The stream (in ".concat(r," state) is not in the writable state and cannot be closed")));var t,n=c((function(r,t){var n={_resolve:r,_reject:t};e._closeRequest=n})),o=e._writer;return void 0!==o&&e._backpressure&&"writable"===r&&zr(o),de(t=e._writableStreamController,pr,0),vr(t),n}function ar(e,r){"writable"!==e._state?lr(e):ir(e,r)}function ir(e,r){var t=e._writableStreamController;e._state="erroring",e._storedError=r;var n=e._writer;void 0!==n&&br(n,r),!function(e){if(void 0===e._inFlightWriteRequest&&void 0===e._inFlightCloseRequest)return!1;return!0}(e)&&t._started&&lr(e)}function lr(e){e._state="errored",e._writableStreamController[T]();var r=e._storedError;if(e._writeRequests.forEach((function(e){e._reject(r)})),e._writeRequests=new S,void 0!==e._pendingAbortRequest){var t=e._pendingAbortRequest;if(e._pendingAbortRequest=void 0,t._wasAlreadyErroring)return t._reject(r),void sr(e);p(e._writableStreamController[R](t._reason),(function(){return t._resolve(),sr(e),null}),(function(r){return t._reject(r),sr(e),null}))}else sr(e)}function ur(e){return void 0!==e._closeRequest||void 0!==e._inFlightCloseRequest}function sr(e){void 0!==e._closeRequest&&(e._closeRequest._reject(e._storedError),e._closeRequest=void 0);var r=e._writer;void 0!==r&&Wr(r,e._storedError)}function cr(e,r){var t=e._writer;void 0!==t&&r!==e._backpressure&&(r?function(e){kr(e)}(t):zr(t)),e._backpressure=r}Object.defineProperties(er.prototype,{abort:{enumerable:!0},close:{enumerable:!0},getWriter:{enumerable:!0},locked:{enumerable:!0}}),a(er.prototype.abort,"abort"),a(er.prototype.close,"close"),a(er.prototype.getWriter,"getWriter"),"symbol"==typeof r.toStringTag&&Object.defineProperty(er.prototype,r.toStringTag,{value:"WritableStream",configurable:!0});var dr=function(){function WritableStreamDefaultWriter(e){if(Q(e,1,"WritableStreamDefaultWriter"),function(e,r){if(!rr(e))throw new TypeError("".concat(r," is not a WritableStream."))}(e,"First parameter"),tr(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)!ur(e)&&e._backpressure?kr(this):Br(this),Cr(this);else if("erroring"===t)jr(this,e._storedError),Cr(this);else if("closed"===t)Br(this),Cr(r=this),Or(r);else{var n=e._storedError;jr(this,n),Er(this,n)}}return Object.defineProperty(WritableStreamDefaultWriter.prototype,"closed",{get:function(){return fr(this)?this._closedPromise:f(qr("closed"))},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"desiredSize",{get:function(){if(!fr(this))throw qr("desiredSize");if(void 0===this._ownerWritableStream)throw Pr("desiredSize");return function(e){var r=e._ownerWritableStream,t=r._state;if("errored"===t||"erroring"===t)return null;if("closed"===t)return 0;return mr(r._writableStreamController)}(this)},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"ready",{get:function(){return fr(this)?this._readyPromise:f(qr("ready"))},enumerable:!1,configurable:!0}),WritableStreamDefaultWriter.prototype.abort=function(e){return void 0===e&&(e=void 0),fr(this)?void 0===this._ownerWritableStream?f(Pr("abort")):function(e,r){return nr(e._ownerWritableStream,r)}(this,e):f(qr("abort"))},WritableStreamDefaultWriter.prototype.close=function(){if(!fr(this))return f(qr("close"));var e=this._ownerWritableStream;return void 0===e?f(Pr("close")):ur(e)?f(new TypeError("Cannot close an already-closing 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r.toStringTag&&Object.defineProperty(dr.prototype,r.toStringTag,{value:"WritableStreamDefaultWriter",configurable:!0});var pr={},hr=function(){function WritableStreamDefaultController(){throw new TypeError("Illegal constructor")}return Object.defineProperty(WritableStreamDefaultController.prototype,"abortReason",{get:function(){if(!_r(this))throw Tr("abortReason");return this._abortReason},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultController.prototype,"signal",{get:function(){if(!_r(this))throw Tr("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),!_r(this))throw Tr("error");"writable"===this._controlledWritableStream._state&&Sr(this,e)},WritableStreamDefaultController.prototype[R]=function(e){var r=this._abortAlgorithm(e);return yr(this),r},WritableStreamDefaultController.prototype[T]=function(){fe(this)},WritableStreamDefaultController}();function _r(e){return!!n(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_controlledWritableStream")&&e instanceof hr)}function yr(e){e._writeAlgorithm=void 0,e._closeAlgorithm=void 0,e._abortAlgorithm=void 0,e._strategySizeAlgorithm=void 0}function mr(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===pr?function(e){var r=e._controlledWritableStream;(function(e){e._inFlightCloseRequest=e._closeRequest,e._closeRequest=void 0})(r),ce(e);var t=e._closeAlgorithm();yr(e),p(t,(function(){return function(e){e._inFlightCloseRequest._resolve(void 0),e._inFlightCloseRequest=void 0,"erroring"===e._state&&(e._storedError=void 0,void 0!==e._pendingAbortRequest&&(e._pendingAbortRequest._resolve(),e._pendingAbortRequest=void 0)),e._state="closed";var r=e._writer;void 0!==r&&Or(r)}(r),null}),(function(e){return function(e,r){e._inFlightCloseRequest._reject(r),e._inFlightCloseRequest=void 0,void 0!==e._pendingAbortRequest&&(e._pendingAbortRequest._reject(r),e._pendingAbortRequest=void 0),ar(e,r)}(r,e),null}))}(e):function(e,r){var t=e._controlledWritableStream;(function(e){e._inFlightWriteRequest=e._writeRequests.shift()})(t),p(e._writeAlgorithm(r),(function(){!function(e){e._inFlightWriteRequest._resolve(void 0),e._inFlightWriteRequest=void 0}(t);var r=t._state;if(ce(e),!ur(t)&&"writable"===r){var n=wr(e);cr(t,n)}return vr(e),null}),(function(r){return"writable"===t._state&&yr(e),function(e,r){e._inFlightWriteRequest._reject(r),e._inFlightWriteRequest=void 0,ar(e,r)}(t,r),null}))}(e,t)}}else lr(r)}function gr(e,r){"writable"===e._controlledWritableStream._state&&Sr(e,r)}function wr(e){return mr(e)<=0}function 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