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

Web Streams, based on the WHATWG spec reference implementation

/**
 * @license
 * web-streams-polyfill v4.1.0
 * Copyright 2024 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._pendingPullIntos.peek();if("closed"===e._controlledReadableByteStream._state){if(0!==r.byteLength)throw new TypeError("The view's length must be 0 when calling respondWithNewView() on a closed stream")}else if(0===r.byteLength)throw new TypeError("The view's length must be greater than 0 when calling respondWithNewView() on a readable stream");if(t.byteOffset+t.bytesFilled!==r.byteOffset)throw new RangeError("The region specified by view does not match byobRequest");if(t.bufferByteLength!==r.buffer.byteLength)throw new RangeError("The buffer of view has different capacity than byobRequest");if(t.bytesFilled+r.byteLength>t.byteLength)throw new RangeError("The region specified by view is larger than byobRequest");var n=r.byteLength;t.buffer=ue(r.buffer),He(e,n)}function tr(e,r,t,n,o,a,i){r._controlledReadableByteStream=e,r._pullAgain=!1,r._pulling=!1,r._byobRequest=null,r._queue=r._queueTotalSize=void 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fr(this)?this._closedPromise:d(pr("closed"))},enumerable:!1,configurable:!0}),ReadableStreamBYOBReader.prototype.cancel=function(e){return void 0===e&&(e=void 0),fr(this)?void 0===this._ownerReadableStream?d(j("cancel")):O(this,e):d(pr("cancel"))},ReadableStreamBYOBReader.prototype.read=function(e,r){if(void 0===r&&(r={}),!fr(this))return d(pr("read"));if(!ArrayBuffer.isView(e))return d(new TypeError("view must be an array buffer view"));if(0===e.byteLength)return d(new TypeError("view must have non-zero byteLength"));if(0===e.buffer.byteLength)return d(new TypeError("view's buffer must have non-zero byteLength"));if(se(e.buffer))return d(new TypeError("view's buffer has been detached"));var t;try{t=function(e,r){var t;return F(e,r),{min:H(null!==(t=null==e?void 0:e.min)&&void 0!==t?t:1,"".concat(r," has member 'min' that"))}}(r,"options")}catch(e){return d(e)}var n,o,a=t.min;if(0===a)return d(new TypeError("options.min must be greater than 0"));if(function(e){return 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o=e._ownerReadableStream;o._disturbed=!0,"errored"===o._state?n._errorSteps(o._storedError):Ne(o._readableStreamController,r,t,n)}function br(e,r){var t=e._readIntoRequests;e._readIntoRequests=new w,t.forEach((function(e){e._errorSteps(r)}))}function pr(e){return new TypeError("ReadableStreamBYOBReader.prototype.".concat(e," can only be used on a ReadableStreamBYOBReader"))}function hr(e,r){var t=e.highWaterMark;if(void 0===t)return r;if(Se(t)||t<0)throw new RangeError("Invalid highWaterMark");return t}function _r(e){var r=e.size;return r||function(){return 1}}function mr(e,r){F(e,r);var t=null==e?void 0:e.highWaterMark,n=null==e?void 0:e.size;return{highWaterMark:void 0===t?void 0:Q(t),size:void 0===n?void 0:vr(n,"".concat(r," has member 'size' that"))}}function vr(e,r){return I(e,r),function(r){return Q(e(r))}}function yr(e,r,t){return I(e,t),function(t){return S(e,r,[t])}}function gr(e,r,t){return I(e,t),function(){return S(e,r,[])}}function Sr(e,r,t){return 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0!==t&&r!==e._backpressure&&(r?function(e){ut(e)}(t):dt(t)),e._backpressure=r}Object.defineProperties(Tr.prototype,{abort:{enumerable:!0},close:{enumerable:!0},getWriter:{enumerable:!0},locked:{enumerable:!0}}),o(Tr.prototype.abort,"abort"),o(Tr.prototype.close,"close"),o(Tr.prototype.getWriter,"getWriter"),"symbol"==typeof e.toStringTag&&Object.defineProperty(Tr.prototype,e.toStringTag,{value:"WritableStream",configurable:!0});var Dr=function(){function WritableStreamDefaultWriter(e){if(Y(e,1,"WritableStreamDefaultWriter"),Rr(e,"First parameter"),Er(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)!Ar(e)&&e._backpressure?ut(this):ct(this),ot(this);else if("erroring"===t)st(this,e._storedError),ot(this);else if("closed"===t)ct(this),ot(r=this),lt(r);else{var n=e._storedError;st(this,n),at(this,n)}}return Object.defineProperty(WritableStreamDefaultWriter.prototype,"closed",{get:function(){return Fr(this)?this._closedPromise:d(tt("closed"))},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"desiredSize",{get:function(){if(!Fr(this))throw tt("desiredSize");if(void 0===this._ownerWritableStream)throw nt("desiredSize");return function(e){var r=e._ownerWritableStream,t=r._state;if("errored"===t||"erroring"===t)return null;if("closed"===t)return 0;return Xr(r._writableStreamController)}(this)},enumerable:!1,configurable:!0}),Object.defineProperty(WritableStreamDefaultWriter.prototype,"ready",{get:function(){return Fr(this)?this._readyPromise:d(tt("ready"))},enumerable:!1,configurable:!0}),WritableStreamDefaultWriter.prototype.abort=function(e){return void 0===e&&(e=void 0),Fr(this)?void 0===this._ownerWritableStream?d(nt("abort")):function(e,r){return 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rt("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),!Vr(this))throw rt("error");"writable"===this._controlledWritableStream._state&&$r(this,e)},WritableStreamDefaultController.prototype[R]=function(e){var r=this._abortAlgorithm(e);return Gr(this),r},WritableStreamDefaultController.prototype[T]=function(){Pe(this)},WritableStreamDefaultController}();function Vr(e){return!!t(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_controlledWritableStream")&&e instanceof Hr)}function Ur(e,r,t,n,o,a,i,l){r._controlledWritableStream=e,e._writableStreamController=r,r._queue=void 0,r._queueTotalSize=void 0,Pe(r),r._abortReason=void 0,r._abortController=function(){if("function"==typeof AbortController)return new AbortController}(),r._started=!1,r._strategySizeAlgorithm=l,r._strategyHWM=i,r._writeAlgorithm=n,r._closeAlgorithm=o,r._abortAlgorithm=a;var u=Zr(r);Lr(e,u),p(f(t()),(function(){return r._started=!0,Jr(r),null}),(function(t){return r._started=!0,jr(e,t),null}))}function Gr(e){e._writeAlgorithm=void 0,e._closeAlgorithm=void 0,e._abortAlgorithm=void 0,e._strategySizeAlgorithm=void 0}function Xr(e){return e._strategyHWM-e._queueTotalSize}function Jr(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===Nr?function(e){var r=e._controlledWritableStream;(function(e){e._inFlightCloseRequest=e._closeRequest,e._closeRequest=void 0})(r),Re(e);var t=e._closeAlgorithm();Gr(e),p(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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