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Viewing / Editing File: eventsource.min.js

/**
 * EventSource
 * https://github.com/Yaffle/EventSource
 *
 * Released under the MIT License (MIT)
 * https://github.com/Yaffle/EventSource/blob/master/LICENSE.md
 */
! ( function ( a ) {
	'use strict';
	function b( a ) {
		( this.withCredentials = ! 1 ),
			( this.responseType = '' ),
			( this.readyState = 0 ),
			( this.status = 0 ),
			( this.statusText = '' ),
			( this.responseText = '' ),
			( this.onprogress = p ),
			( this.onreadystatechange = p ),
			( this._contentType = '' ),
			( this._xhr = a ),
			( this._sendTimeout = 0 ),
			( this._abort = p );
	}
	function c( a ) {
		this._xhr = new b( a );
	}
	function d() {
		this._listeners = Object.create( null );
	}
	function e( a ) {
		j( function () {
			throw a;
		}, 0 );
	}
	function f( a ) {
		( this.type = a ), ( this.target = void 0 );
	}
	function g( a, b ) {
		f.call( this, a ),
			( this.data = b.data ),
			( this.lastEventId = b.lastEventId );
	}
	function h( a, b ) {
		d.call( this ),
			( this.onopen = void 0 ),
			( this.onmessage = void 0 ),
			( this.onerror = void 0 ),
			( this.url = void 0 ),
			( this.readyState = void 0 ),
			( this.withCredentials = void 0 ),
			( this._close = void 0 ),
			i( this, a, b );
	}
	function i( a, b, d ) {
		b = String( b );
		var h = void 0 != d && Boolean( d.withCredentials ),
			i = D( 1e3 ),
			n = D( 45e3 ),
			o = '',
			p = i,
			A = ! 1,
			B =
				void 0 != d && void 0 != d.headers
					? JSON.parse( JSON.stringify( d.headers ) )
					: void 0,
			F =
				void 0 != d && void 0 != d.Transport
					? d.Transport
					: void 0 != m
					? m
					: l,
			G = new c( new F() ),
			H = 0,
			I = q,
			J = '',
			K = '',
			L = '',
			M = '',
			N = v,
			O = 0,
			P = 0,
			Q = function ( b, c, d ) {
				if ( I === r )
					if ( 200 === b && void 0 != d && z.test( d ) ) {
						( I = s ), ( A = ! 0 ), ( p = i ), ( a.readyState = s );
						var g = new f( 'open' );
						a.dispatchEvent( g ), E( a, a.onopen, g );
					} else {
						var h = '';
						200 !== b
							? ( c && ( c = c.replace( /\s+/g, ' ' ) ),
							  ( h =
									"EventSource's response has a status " +
									b +
									' ' +
									c +
									' that is not 200. Aborting the connection.' ) )
							: ( h =
									"EventSource's response has a Content-Type specifying an unsupported type: " +
									( void 0 == d
										? '-'
										: d.replace( /\s+/g, ' ' ) ) +
									'. Aborting the connection.' ),
							e( new Error( h ) ),
							T();
						var g = new f( 'error' );
						a.dispatchEvent( g ), E( a, a.onerror, g );
					}
			},
			R = function ( b ) {
				if ( I === s ) {
					for ( var c = -1, d = 0; d < b.length; d += 1 ) {
						var e = b.charCodeAt( d );
						( e === '\n'.charCodeAt( 0 ) ||
							e === '\r'.charCodeAt( 0 ) ) &&
							( c = d );
					}
					var f = ( -1 !== c ? M : '' ) + b.slice( 0, c + 1 );
					( M = ( -1 === c ? M : '' ) + b.slice( c + 1 ) ),
						'' !== f && ( A = ! 0 );
					for ( var h = 0; h < f.length; h += 1 ) {
						var e = f.charCodeAt( h );
						if ( N === u && e === '\n'.charCodeAt( 0 ) ) N = v;
						else if (
							( N === u && ( N = v ),
							e === '\r'.charCodeAt( 0 ) ||
								e === '\n'.charCodeAt( 0 ) )
						) {
							if ( N !== v ) {
								N === w && ( P = h + 1 );
								var l = f.slice( O, P - 1 ),
									m = f.slice(
										P +
											( h > P &&
											f.charCodeAt( P ) ===
												' '.charCodeAt( 0 )
												? 1
												: 0 ),
										h
									);
								'data' === l
									? ( ( J += '\n' ), ( J += m ) )
									: 'id' === l
									? ( K = m )
									: 'event' === l
									? ( L = m )
									: 'retry' === l
									? ( ( i = C( m, i ) ), ( p = i ) )
									: 'heartbeatTimeout' === l &&
									  ( ( n = C( m, n ) ),
									  0 !== H &&
											( k( H ),
											( H = j( function () {
												U();
											}, n ) ) ) );
							}
							if ( N === v ) {
								if ( '' !== J ) {
									( o = K ), '' === L && ( L = 'message' );
									var q = new g( L, {
										data: J.slice( 1 ),
										lastEventId: K,
									} );
									if (
										( a.dispatchEvent( q ),
										'message' === L &&
											E( a, a.onmessage, q ),
										I === t )
									)
										return;
								}
								( J = '' ), ( L = '' );
							}
							N = e === '\r'.charCodeAt( 0 ) ? u : v;
						} else
							N === v && ( ( O = h ), ( N = w ) ),
								N === w
									? e === ':'.charCodeAt( 0 ) &&
									  ( ( P = h + 1 ), ( N = x ) )
									: N === x && ( N = y );
					}
				}
			},
			S = function () {
				if ( I === s || I === r ) {
					( I = q ),
						0 !== H && ( k( H ), ( H = 0 ) ),
						( H = j( function () {
							U();
						}, p ) ),
						( p = D( Math.min( 16 * i, 2 * p ) ) ),
						( a.readyState = r );
					var b = new f( 'error' );
					a.dispatchEvent( b ), E( a, a.onerror, b );
				}
			},
			T = function () {
				( I = t ),
					G.cancel(),
					0 !== H && ( k( H ), ( H = 0 ) ),
					( a.readyState = t );
			},
			U = function () {
				if ( ( ( H = 0 ), I !== q ) )
					return void ( A
						? ( ( A = ! 1 ),
						  ( H = j( function () {
								U();
						  }, n ) ) )
						: ( e(
								new Error(
									'No activity within ' +
										n +
										' milliseconds. Reconnecting.'
								)
						  ),
						  G.cancel() ) );
				( A = ! 1 ),
					( H = j( function () {
						U();
					}, n ) ),
					( I = r ),
					( J = '' ),
					( L = '' ),
					( K = o ),
					( M = '' ),
					( O = 0 ),
					( P = 0 ),
					( N = v );
				var a = b;
				'data:' !== b.slice( 0, 5 ) &&
					'blob:' !== b.slice( 0, 5 ) &&
					( a =
						b +
						( -1 === b.indexOf( '?', 0 ) ? '?' : '&' ) +
						'lastEventId=' +
						encodeURIComponent( o ) );
				var c = {};
				if ( ( ( c.Accept = 'text/event-stream' ), void 0 != B ) )
					for ( var d in B )
						Object.prototype.hasOwnProperty.call( B, d ) &&
							( c[ d ] = B[ d ] );
				try {
					G.open( Q, R, S, a, h, c );
				} catch ( f ) {
					throw ( T(), f );
				}
			};
		( a.url = b ),
			( a.readyState = r ),
			( a.withCredentials = h ),
			( a._close = T ),
			U();
	}
	var j = a.setTimeout,
		k = a.clearTimeout,
		l = a.XMLHttpRequest,
		m = a.XDomainRequest,
		n = a.EventSource,
		o = a.document;
	null == Object.create &&
		( Object.create = function ( a ) {
			function b() {}
			return ( b.prototype = a ), new b();
		} );
	var p = function () {};
	( b.prototype.open = function ( a, b ) {
		this._abort( ! 0 );
		var c = this,
			d = this._xhr,
			e = 1,
			f = 0;
		this._abort = function ( a ) {
			0 !== c._sendTimeout &&
				( k( c._sendTimeout ), ( c._sendTimeout = 0 ) ),
				( 1 === e || 2 === e || 3 === e ) &&
					( ( e = 4 ),
					( d.onload = p ),
					( d.onerror = p ),
					( d.onabort = p ),
					( d.onprogress = p ),
					( d.onreadystatechange = p ),
					d.abort(),
					0 !== f && ( k( f ), ( f = 0 ) ),
					a || ( ( c.readyState = 4 ), c.onreadystatechange() ) ),
				( e = 0 );
		};
		var g = function () {
				if ( 1 === e ) {
					var a = 0,
						b = '',
						f = void 0;
					if ( 'contentType' in d )
						( a = 200 ), ( b = 'OK' ), ( f = d.contentType );
					else
						try {
							( a = d.status ),
								( b = d.statusText ),
								( f = d.getResponseHeader( 'Content-Type' ) );
						} catch ( g ) {
							( a = 0 ), ( b = '' ), ( f = void 0 );
						}
					0 !== a &&
						( ( e = 2 ),
						( c.readyState = 2 ),
						( c.status = a ),
						( c.statusText = b ),
						( c._contentType = f ),
						c.onreadystatechange() );
				}
			},
			h = function () {
				if ( ( g(), 2 === e || 3 === e ) ) {
					e = 3;
					var a = '';
					try {
						a = d.responseText;
					} catch ( b ) {}
					( c.readyState = 3 ),
						( c.responseText = a ),
						c.onprogress();
				}
			},
			i = function () {
				h(),
					( 1 === e || 2 === e || 3 === e ) &&
						( ( e = 4 ),
						0 !== f && ( k( f ), ( f = 0 ) ),
						( c.readyState = 4 ),
						c.onreadystatechange() );
			},
			m = function () {
				void 0 != d &&
					( 4 === d.readyState
						? i()
						: 3 === d.readyState
						? h()
						: 2 === d.readyState && g() );
			},
			n = function () {
				( f = j( function () {
					n();
				}, 500 ) ),
					3 === d.readyState && h();
			};
		( d.onload = i ),
			( d.onerror = i ),
			( d.onabort = i ),
			'sendAsBinary' in l.prototype ||
				'mozAnon' in l.prototype ||
				( d.onprogress = h ),
			( d.onreadystatechange = m ),
			'contentType' in d &&
				( b +=
					( -1 === b.indexOf( '?', 0 ) ? '?' : '&' ) +
					'padding=true' ),
			d.open( a, b, ! 0 ),
			'readyState' in d &&
				( f = j( function () {
					n();
				}, 0 ) );
	} ),
		( b.prototype.abort = function () {
			this._abort( ! 1 );
		} ),
		( b.prototype.getResponseHeader = function ( a ) {
			return this._contentType;
		} ),
		( b.prototype.setRequestHeader = function ( a, b ) {
			var c = this._xhr;
			'setRequestHeader' in c && c.setRequestHeader( a, b );
		} ),
		( b.prototype.send = function () {
			if (
				! ( 'ontimeout' in l.prototype ) &&
				void 0 != o &&
				void 0 != o.readyState &&
				'complete' !== o.readyState
			) {
				var a = this;
				return void ( a._sendTimeout = j( function () {
					( a._sendTimeout = 0 ), a.send();
				}, 4 ) );
			}
			var b = this._xhr;
			( b.withCredentials = this.withCredentials ),
				( b.responseType = this.responseType );
			try {
				b.send( void 0 );
			} catch ( c ) {
				throw c;
			}
		} ),
		( c.prototype.open = function ( a, b, c, d, e, f ) {
			var g = this._xhr;
			g.open( 'GET', d );
			var h = 0;
			( g.onprogress = function () {
				var a = g.responseText,
					c = a.slice( h );
				( h += c.length ), b( c );
			} ),
				( g.onreadystatechange = function () {
					if ( 2 === g.readyState ) {
						var b = g.status,
							d = g.statusText,
							e = g.getResponseHeader( 'Content-Type' );
						a( b, d, e );
					} else 4 === g.readyState && c();
				} ),
				( g.withCredentials = e ),
				( g.responseType = 'text' );
			for ( var i in f )
				Object.prototype.hasOwnProperty.call( f, i ) &&
					g.setRequestHeader( i, f[ i ] );
			g.send();
		} ),
		( c.prototype.cancel = function () {
			var a = this._xhr;
			a.abort();
		} ),
		( d.prototype.dispatchEvent = function ( a ) {
			a.target = this;
			var b = this._listeners[ a.type ];
			if ( void 0 != b )
				for ( var c = b.length, d = 0; c > d; d += 1 ) {
					var f = b[ d ];
					try {
						'function' == typeof f.handleEvent
							? f.handleEvent( a )
							: f.call( this, a );
					} catch ( g ) {
						e( g );
					}
				}
		} ),
		( d.prototype.addEventListener = function ( a, b ) {
			a = String( a );
			var c = this._listeners,
				d = c[ a ];
			void 0 == d && ( ( d = [] ), ( c[ a ] = d ) );
			for ( var e = ! 1, f = 0; f < d.length; f += 1 )
				d[ f ] === b && ( e = ! 0 );
			e || d.push( b );
		} ),
		( d.prototype.removeEventListener = function ( a, b ) {
			a = String( a );
			var c = this._listeners,
				d = c[ a ];
			if ( void 0 != d ) {
				for ( var e = [], f = 0; f < d.length; f += 1 )
					d[ f ] !== b && e.push( d[ f ] );
				0 === e.length ? delete c[ a ] : ( c[ a ] = e );
			}
		} ),
		( g.prototype = Object.create( f.prototype ) );
	var q = -1,
		r = 0,
		s = 1,
		t = 2,
		u = -1,
		v = 0,
		w = 1,
		x = 2,
		y = 3,
		z = /^text\/event\-stream;?(\s*charset\=utf\-8)?$/i,
		A = 1e3,
		B = 18e6,
		C = function ( a, b ) {
			var c = parseInt( a, 10 );
			return c !== c && ( c = b ), D( c );
		},
		D = function ( a ) {
			return Math.min( Math.max( a, A ), B );
		},
		E = function ( a, b, c ) {
			try {
				'function' == typeof b && b.call( a, c );
			} catch ( d ) {
				e( d );
			}
		};
	( h.prototype = Object.create( d.prototype ) ),
		( h.prototype.CONNECTING = r ),
		( h.prototype.OPEN = s ),
		( h.prototype.CLOSED = t ),
		( h.prototype.close = function () {
			this._close();
		} ),
		( h.CONNECTING = r ),
		( h.OPEN = s ),
		( h.CLOSED = t ),
		( h.prototype.withCredentials = void 0 ),
		( a.EventSourcePolyfill = h ),
		( a.NativeEventSource = n ),
		void 0 == l ||
			( void 0 != n && 'withCredentials' in n.prototype ) ||
			( a.EventSource = h );
} )( 'undefined' != typeof window ? window : this );

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