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2 lines
59 KiB
2 lines
59 KiB
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Object.defineProperty(ReadableByteStreamController.prototype,"byobRequest",{get:function(){if(!me(this))throw Qe("byobRequest");return ze(this)},enumerable:!1,configurable:!0}),Object.defineProperty(ReadableByteStreamController.prototype,"desiredSize",{get:function(){if(!me(this))throw Qe("desiredSize");return De(this)},enumerable:!1,configurable:!0}),ReadableByteStreamController.prototype.close=function(){if(!me(this))throw Qe("close");if(this._closeRequested)throw new TypeError("The stream has already been closed; do not close it again!");var e=this._controlledReadableByteStream._state;if("readable"!==e)throw new TypeError("The stream (in "+e+" state) is not in the readable state and cannot be closed");Be(this)},ReadableByteStreamController.prototype.enqueue=function(e){if(!me(this))throw Qe("enqueue");if(M(e,1,"enqueue"),!ArrayBuffer.isView(e))throw new TypeError("chunk must be an array buffer view");if(0===e.byteLength)throw new TypeError("chunk must have non-zero 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o=we(r);"default"===r.readerType?G(e,o,t):function(e,r,t){var o=e._reader._readIntoRequests.shift();t?o._closeSteps(r):o._chunkSteps(r)}(e,o,t)}function we(e){var r=e.bytesFilled,t=e.elementSize;return new e.viewConstructor(e.buffer,e.byteOffset,r/t)}function Re(e,r,t,o){e._queue.push({buffer:r,byteOffset:t,byteLength:o}),e._queueTotalSize+=o}function Te(e,r){var t=r.elementSize,o=r.bytesFilled-r.bytesFilled%t,n=Math.min(e._queueTotalSize,r.byteLength-r.bytesFilled),a=r.bytesFilled+n,i=a-a%t,l=n,u=!1;i>o&&(l=i-r.bytesFilled,u=!0);for(var s=e._queue;l>0;){var c=s.peek(),d=Math.min(l,c.byteLength),f=r.byteOffset+r.bytesFilled;se(r.buffer,f,c.buffer,c.byteOffset,d),c.byteLength===d?s.shift():(c.byteOffset+=d,c.byteLength-=d),e._queueTotalSize-=d,Ce(e,d,r),l-=d}return u}function Ce(e,r,t){t.bytesFilled+=r}function Pe(e){0===e._queueTotalSize&&e._closeRequested?(je(e),Ct(e._controlledReadableByteStream)):ve(e)}function qe(e){null!==e._byobRequest&&(e._byobRequest._associatedReadableByteStreamController=void 0,e._byobRequest._view=null,e._byobRequest=null)}function Oe(e){for(;e._pendingPullIntos.length>0;){if(0===e._queueTotalSize)return;var r=e._pendingPullIntos.peek();Te(e,r)&&(We(e),Se(e._controlledReadableByteStream,r))}}function Ee(e,r){var t=e._pendingPullIntos.peek();qe(e),"closed"===e._controlledReadableByteStream._state?function(e,r){var t=e._controlledReadableByteStream;if(He(t))for(;Ne(t)>0;)Se(t,We(e))}(e):function(e,r,t){if(Ce(0,r,t),!(t.bytesFilled<t.elementSize)){We(e);var o=t.bytesFilled%t.elementSize;if(o>0){var n=t.byteOffset+t.bytesFilled,a=ce(t.buffer,n-o,n);Re(e,a,0,a.byteLength)}t.bytesFilled-=o,Se(e._controlledReadableByteStream,t),Oe(e)}}(e,r,t),ve(e)}function We(e){return e._pendingPullIntos.shift()}function je(e){e._pullAlgorithm=void 0,e._cancelAlgorithm=void 0}function Be(e){var r=e._controlledReadableByteStream;if(!e._closeRequested&&"readable"===r._state)if(e._queueTotalSize>0)e._closeRequested=!0;else{if(e._pendingPullIntos.length>0)if(e._pendingPullIntos.peek().bytesFilled>0){var t=new TypeError("Insufficient bytes to fill elements in the given buffer");throw Ae(e,t),t}je(e),Ct(r)}}function ke(e,r){var t=e._controlledReadableByteStream;if(!e._closeRequested&&"readable"===t._state){var o=r.buffer,n=r.byteOffset,a=r.byteLength,i=o;if(e._pendingPullIntos.length>0){var l=e._pendingPullIntos.peek();l.buffer,0,l.buffer=l.buffer}if(qe(e),J(t))if(0===X(t))Re(e,i,n,a);else e._pendingPullIntos.length>0&&We(e),G(t,new Uint8Array(i,n,a),!1);else He(t)?(Re(e,i,n,a),Oe(e)):Re(e,i,n,a);ve(e)}}function Ae(e,r){var t=e._controlledReadableByteStream;"readable"===t._state&&(ge(e),pe(e),je(e),Pt(t,r))}function ze(e){if(null===e._byobRequest&&e._pendingPullIntos.length>0){var r=e._pendingPullIntos.peek(),t=new Uint8Array(r.buffer,r.byteOffset+r.bytesFilled,r.byteLength-r.bytesFilled),o=Object.create(_e.prototype);!function(e,r,t){e._associatedReadableByteStreamController=r,e._view=t}(o,e,t),e._byobRequest=o}return e._byobRequest}function De(e){var r=e._controlledReadableByteStream._state;return"errored"===r?null:"closed"===r?0:e._strategyHWM-e._queueTotalSize}function Ie(e,r){var t=e._pendingPullIntos.peek();if("closed"===e._controlledReadableByteStream._state){if(0!==r)throw new TypeError("bytesWritten must be 0 when calling respond() on a closed stream")}else{if(0===r)throw new TypeError("bytesWritten must be greater than 0 when calling respond() on a readable stream");if(t.bytesFilled+r>t.byteLength)throw new RangeError("bytesWritten out of range")}t.buffer=t.buffer,Ee(e,r)}function Fe(e,r){var 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 o=r.byteLength;t.buffer=r.buffer,Ee(e,o)}function Le(e,r,t,o,n,a,i){r._controlledReadableByteStream=e,r._pullAgain=!1,r._pulling=!1,r._byobRequest=null,r._queue=r._queueTotalSize=void 0,pe(r),r._closeRequested=!1,r._started=!1,r._strategyHWM=a,r._pullAlgorithm=o,r._cancelAlgorithm=n,r._autoAllocateChunkSize=i,r._pendingPullIntos=new w,e._readableStreamController=r,p(d(t()),(function(){r._started=!0,ve(r)}),(function(e){Ae(r,e)}))}function Me(e){return new TypeError("ReadableStreamBYOBRequest.prototype."+e+" can only be used on a ReadableStreamBYOBRequest")}function Qe(e){return new TypeError("ReadableByteStreamController.prototype."+e+" can only be used on a ReadableByteStreamController")}function Ye(e){return new Ve(e)}function xe(e,r){e._reader._readIntoRequests.push(r)}function Ne(e){return e._reader._readIntoRequests.length}function He(e){var r=e._reader;return void 0!==r&&!!Ue(r)}Object.defineProperties(he.prototype,{close:{enumerable:!0},enqueue:{enumerable:!0},error:{enumerable:!0},byobRequest:{enumerable:!0},desiredSize:{enumerable:!0}}),"symbol"==typeof r.toStringTag&&Object.defineProperty(he.prototype,r.toStringTag,{value:"ReadableByteStreamController",configurable:!0});var Ve=function(){function ReadableStreamBYOBReader(e){if(M(e,1,"ReadableStreamBYOBReader"),H(e,"First parameter"),Rt(e))throw new TypeError("This stream has already been locked for exclusive reading by another reader");if(!me(e._readableStreamController))throw new TypeError("Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte source");R(this,e),this._readIntoRequests=new w}return Object.defineProperty(ReadableStreamBYOBReader.prototype,"closed",{get:function(){return Ue(this)?this._closedPromise:f(Xe("closed"))},enumerable:!1,configurable:!0}),ReadableStreamBYOBReader.prototype.cancel=function(e){return void 0===e&&(e=void 0),Ue(this)?void 0===this._ownerReadableStream?f(P("cancel")):T(this,e):f(Xe("cancel"))},ReadableStreamBYOBReader.prototype.read=function(e){if(!Ue(this))return f(Xe("read"));if(!ArrayBuffer.isView(e))return f(new TypeError("view must be an array buffer view"));if(0===e.byteLength)return f(new TypeError("view must have non-zero byteLength"));if(0===e.buffer.byteLength)return f(new TypeError("view's buffer must have non-zero byteLength"));if(e.buffer,void 0===this._ownerReadableStream)return f(P("read from"));var r,t,o=c((function(e,o){r=e,t=o}));return Ge(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)}}),o},ReadableStreamBYOBReader.prototype.releaseLock=function(){if(!Ue(this))throw Xe("releaseLock");if(void 0!==this._ownerReadableStream){if(this._readIntoRequests.length>0)throw new TypeError("Tried to release a reader lock when that reader has pending read() calls un-settled");C(this)}},ReadableStreamBYOBReader}();function Ue(e){return!!n(e)&&(!!Object.prototype.hasOwnProperty.call(e,"_readIntoRequests")&&e instanceof Ve)}function Ge(e,r,t){var o=e._ownerReadableStream;o._disturbed=!0,"errored"===o._state?t._errorSteps(o._storedError):function(e,r,t){var o=e._controlledReadableByteStream,n=1;r.constructor!==DataView&&(n=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:n,viewConstructor:a,readerType:"byob"};if(e._pendingPullIntos.length>0)return e._pendingPullIntos.push(l),void xe(o,t);if("closed"!==o._state){if(e._queueTotalSize>0){if(Te(e,l)){var u=we(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 Ae(e,s),void t._errorSteps(s)}}e._pendingPullIntos.push(l),xe(o,t),ve(e)}else{var c=new a(l.buffer,l.byteOffset,0);t._closeSteps(c)}}(o._readableStreamController,r,t)}function Xe(e){return new TypeError("ReadableStreamBYOBReader.prototype."+e+" can only be used on a ReadableStreamBYOBReader")}function Je(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 Ke(e){var r=e.size;return r||function(){return 1}}function Ze(e,r){I(e,r);var 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t=Ze(r,"Second parameter"),o=function(e,r){I(e,r);var t=null==e?void 0:e.abort,o=null==e?void 0:e.close,n=null==e?void 0:e.start,a=null==e?void 0:e.type,i=null==e?void 0:e.write;return{abort:void 0===t?void 0:er(t,e,r+" has member 'abort' that"),close:void 0===o?void 0:rr(o,e,r+" has member 'close' that"),start:void 0===n?void 0:tr(n,e,r+" has member 'start' that"),write:void 0===i?void 0:or(i,e,r+" has member 'write' that"),type:a}}(e,"First parameter");if(ur(this),void 0!==o.type)throw new RangeError("Invalid type is specified");var n=Ke(t);!function(e,r,t,o){var n=Object.create(qr.prototype),a=function(){},i=function(){return d(void 0)},l=function(){return d(void 0)},u=function(){return d(void 0)};void 0!==r.start&&(a=function(){return r.start(n)});void 0!==r.write&&(i=function(e){return r.write(e,n)});void 0!==r.close&&(l=function(){return r.close()});void 0!==r.abort&&(u=function(e){return r.abort(e)});Er(e,n,a,i,l,u,t,o)}(this,o,Je(t,1),n)}return Object.defineProperty(WritableStream.prototype,"locked",{get:function(){if(!sr(this))throw Dr("locked");return cr(this)},enumerable:!1,configurable:!0}),WritableStream.prototype.abort=function(e){return void 0===e&&(e=void 0),sr(this)?cr(this)?f(new TypeError("Cannot abort a stream that already has a writer")):dr(this,e):f(Dr("abort"))},WritableStream.prototype.close=function(){return sr(this)?cr(this)?f(new TypeError("Cannot close a stream that already has a writer")):hr(this)?f(new TypeError("Cannot close an already-closing stream")):fr(this):f(Dr("close"))},WritableStream.prototype.getWriter=function(){if(!sr(this))throw Dr("getWriter");return lr(this)},WritableStream}();function lr(e){return new vr(e)}function ur(e){e._state="writable",e._storedError=void 0,e._writer=void 0,e._writableStreamController=void 0,e._writeRequests=new w,e._inFlightWriteRequest=void 0,e._closeRequest=void 0,e._inFlightCloseRequest=void 0,e._pendingAbortRequest=void 0,e._backpressure=!1}function 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u=Ar(r);yr(e,u),p(d(t()),(function(){r._started=!0,Br(r)}),(function(t){r._started=!0,br(e,t)}))}function Wr(e){e._writeAlgorithm=void 0,e._closeAlgorithm=void 0,e._abortAlgorithm=void 0,e._strategySizeAlgorithm=void 0}function jr(e){return e._strategyHWM-e._queueTotalSize}function Br(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),fe(e);var t=e._closeAlgorithm();Wr(e),p(t,(function(){!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 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