agora-signaling-sdk
Version:
Agora Signaling SDK for web
8 lines • 144 kB
JavaScript
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Signal=t():e.Signal=t()}(window,function(){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var i=t[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)n.d(r,i,function(t){return e[t]}.bind(null,i));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=47)}([function(e,t){var n;n=function(){return this}();try{n=n||Function("return this")()||(0,eval)("this")}catch(e){"object"==typeof window&&(n=window)}e.exports=n},function(e,t){var n,r,i=e.exports={};function a(){throw new Error("setTimeout has not been defined")}function o(){throw new Error("clearTimeout has not been defined")}function s(e){if(n===setTimeout)return setTimeout(e,0);if((n===a||!n)&&setTimeout)return n=setTimeout,setTimeout(e,0);try{return n(e,0)}catch(t){try{return n.call(null,e,0)}catch(t){return n.call(this,e,0)}}}!function(){try{n="function"==typeof setTimeout?setTimeout:a}catch(e){n=a}try{r="function"==typeof clearTimeout?clearTimeout:o}catch(e){r=o}}();var l,u=[],f=!1,h=-1;function c(){f&&l&&(f=!1,l.length?u=l.concat(u):h=-1,u.length&&d())}function d(){if(!f){var e=s(c);f=!0;for(var t=u.length;t;){for(l=u,u=[];++h<t;)l&&l[h].run();h=-1,t=u.length}l=null,f=!1,function(e){if(r===clearTimeout)return clearTimeout(e);if((r===o||!r)&&clearTimeout)return r=clearTimeout,clearTimeout(e);try{r(e)}catch(t){try{return r.call(null,e)}catch(t){return r.call(this,e)}}}(e)}}function _(e,t){this.fun=e,this.array=t}function p(){}i.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var n=1;n<arguments.length;n++)t[n-1]=arguments[n];u.push(new _(e,t)),1!==u.length||f||s(d)},_.prototype.run=function(){this.fun.apply(null,this.array)},i.title="browser",i.browser=!0,i.env={},i.argv=[],i.version="",i.versions={},i.on=p,i.addListener=p,i.once=p,i.off=p,i.removeListener=p,i.removeAllListeners=p,i.emit=p,i.prependListener=p,i.prependOnceListener=p,i.listeners=function(e){return[]},i.binding=function(e){throw new Error("process.binding is not supported")},i.cwd=function(){return"/"},i.chdir=function(e){throw new Error("process.chdir is not supported")},i.umask=function(){return 0}},function(e,t){"function"==typeof Object.create?e.exports=function(e,t){e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}})}:e.exports=function(e,t){e.super_=t;var n=function(){};n.prototype=t.prototype,e.prototype=new n,e.prototype.constructor=e}},function(e,t,n){"use strict";var r=n(6),i=Object.keys||function(e){var t=[];for(var n in e)t.push(n);return t};e.exports=h;var a=n(5);a.inherits=n(2);var o=n(13),s=n(11);a.inherits(h,o);for(var l=i(s.prototype),u=0;u<l.length;u++){var f=l[u];h.prototype[f]||(h.prototype[f]=s.prototype[f])}function h(e){if(!(this instanceof h))return new h(e);o.call(this,e),s.call(this,e),e&&!1===e.readable&&(this.readable=!1),e&&!1===e.writable&&(this.writable=!1),this.allowHalfOpen=!0,e&&!1===e.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",c)}function c(){this.allowHalfOpen||this._writableState.ended||r.nextTick(d,this)}function d(e){e.end()}Object.defineProperty(h.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),Object.defineProperty(h.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed&&this._writableState.destroyed)},set:function(e){void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed=e,this._writableState.destroyed=e)}}),h.prototype._destroy=function(e,t){this.push(null),this.end(),r.nextTick(t,e)}},function(e,t,n){"use strict";(function(e){
/*!
* The buffer module from node.js, for the browser.
*
* @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
* @license MIT
*/
var r=n(23),i=n(24),a=n(12);function o(){return l.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function s(e,t){if(o()<t)throw new RangeError("Invalid typed array length");return l.TYPED_ARRAY_SUPPORT?(e=new Uint8Array(t)).__proto__=l.prototype:(null===e&&(e=new l(t)),e.length=t),e}function l(e,t,n){if(!(l.TYPED_ARRAY_SUPPORT||this instanceof l))return new l(e,t,n);if("number"==typeof e){if("string"==typeof t)throw new Error("If encoding is specified then the first argument must be a string");return h(this,e)}return u(this,e,t,n)}function u(e,t,n,r){if("number"==typeof t)throw new TypeError('"value" argument must not be a number');return"undefined"!=typeof ArrayBuffer&&t instanceof ArrayBuffer?function(e,t,n,r){if(t.byteLength,n<0||t.byteLength<n)throw new RangeError("'offset' is out of bounds");if(t.byteLength<n+(r||0))throw new RangeError("'length' is out of bounds");t=void 0===n&&void 0===r?new Uint8Array(t):void 0===r?new Uint8Array(t,n):new Uint8Array(t,n,r);l.TYPED_ARRAY_SUPPORT?(e=t).__proto__=l.prototype:e=c(e,t);return e}(e,t,n,r):"string"==typeof t?function(e,t,n){"string"==typeof n&&""!==n||(n="utf8");if(!l.isEncoding(n))throw new TypeError('"encoding" must be a valid string encoding');var r=0|_(t,n),i=(e=s(e,r)).write(t,n);i!==r&&(e=e.slice(0,i));return e}(e,t,n):function(e,t){if(l.isBuffer(t)){var n=0|d(t.length);return 0===(e=s(e,n)).length?e:(t.copy(e,0,0,n),e)}if(t){if("undefined"!=typeof ArrayBuffer&&t.buffer instanceof ArrayBuffer||"length"in t)return"number"!=typeof t.length||function(e){return e!=e}(t.length)?s(e,0):c(e,t);if("Buffer"===t.type&&a(t.data))return c(e,t.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}(e,t)}function f(e){if("number"!=typeof e)throw new TypeError('"size" argument must be a number');if(e<0)throw new RangeError('"size" argument must not be negative')}function h(e,t){if(f(t),e=s(e,t<0?0:0|d(t)),!l.TYPED_ARRAY_SUPPORT)for(var n=0;n<t;++n)e[n]=0;return e}function c(e,t){var n=t.length<0?0:0|d(t.length);e=s(e,n);for(var r=0;r<n;r+=1)e[r]=255&t[r];return e}function d(e){if(e>=o())throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+o().toString(16)+" bytes");return 0|e}function _(e,t){if(l.isBuffer(e))return e.length;if("undefined"!=typeof ArrayBuffer&&"function"==typeof ArrayBuffer.isView&&(ArrayBuffer.isView(e)||e instanceof ArrayBuffer))return e.byteLength;"string"!=typeof e&&(e=""+e);var n=e.length;if(0===n)return 0;for(var r=!1;;)switch(t){case"ascii":case"latin1":case"binary":return n;case"utf8":case"utf-8":case void 0:return F(e).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*n;case"hex":return n>>>1;case"base64":return Z(e).length;default:if(r)return F(e).length;t=(""+t).toLowerCase(),r=!0}}function p(e,t,n){var r=e[t];e[t]=e[n],e[n]=r}function g(e,t,n,r,i){if(0===e.length)return-1;if("string"==typeof n?(r=n,n=0):n>2147483647?n=2147483647:n<-2147483648&&(n=-2147483648),n=+n,isNaN(n)&&(n=i?0:e.length-1),n<0&&(n=e.length+n),n>=e.length){if(i)return-1;n=e.length-1}else if(n<0){if(!i)return-1;n=0}if("string"==typeof t&&(t=l.from(t,r)),l.isBuffer(t))return 0===t.length?-1:m(e,t,n,r,i);if("number"==typeof t)return t&=255,l.TYPED_ARRAY_SUPPORT&&"function"==typeof Uint8Array.prototype.indexOf?i?Uint8Array.prototype.indexOf.call(e,t,n):Uint8Array.prototype.lastIndexOf.call(e,t,n):m(e,[t],n,r,i);throw new TypeError("val must be string, number or Buffer")}function m(e,t,n,r,i){var a,o=1,s=e.length,l=t.length;if(void 0!==r&&("ucs2"===(r=String(r).toLowerCase())||"ucs-2"===r||"utf16le"===r||"utf-16le"===r)){if(e.length<2||t.length<2)return-1;o=2,s/=2,l/=2,n/=2}function u(e,t){return 1===o?e[t]:e.readUInt16BE(t*o)}if(i){var f=-1;for(a=n;a<s;a++)if(u(e,a)===u(t,-1===f?0:a-f)){if(-1===f&&(f=a),a-f+1===l)return f*o}else-1!==f&&(a-=a-f),f=-1}else for(n+l>s&&(n=s-l),a=n;a>=0;a--){for(var h=!0,c=0;c<l;c++)if(u(e,a+c)!==u(t,c)){h=!1;break}if(h)return a}return-1}function v(e,t,n,r){n=Number(n)||0;var i=e.length-n;r?(r=Number(r))>i&&(r=i):r=i;var a=t.length;if(a%2!=0)throw new TypeError("Invalid hex string");r>a/2&&(r=a/2);for(var o=0;o<r;++o){var s=parseInt(t.substr(2*o,2),16);if(isNaN(s))return o;e[n+o]=s}return o}function b(e,t,n,r){return j(F(t,e.length-n),e,n,r)}function y(e,t,n,r){return j(function(e){for(var t=[],n=0;n<e.length;++n)t.push(255&e.charCodeAt(n));return t}(t),e,n,r)}function w(e,t,n,r){return y(e,t,n,r)}function E(e,t,n,r){return j(Z(t),e,n,r)}function k(e,t,n,r){return j(function(e,t){for(var n,r,i,a=[],o=0;o<e.length&&!((t-=2)<0);++o)n=e.charCodeAt(o),r=n>>8,i=n%256,a.push(i),a.push(r);return a}(t,e.length-n),e,n,r)}function S(e,t,n){return 0===t&&n===e.length?r.fromByteArray(e):r.fromByteArray(e.slice(t,n))}function x(e,t,n){n=Math.min(e.length,n);for(var r=[],i=t;i<n;){var a,o,s,l,u=e[i],f=null,h=u>239?4:u>223?3:u>191?2:1;if(i+h<=n)switch(h){case 1:u<128&&(f=u);break;case 2:128==(192&(a=e[i+1]))&&(l=(31&u)<<6|63&a)>127&&(f=l);break;case 3:a=e[i+1],o=e[i+2],128==(192&a)&&128==(192&o)&&(l=(15&u)<<12|(63&a)<<6|63&o)>2047&&(l<55296||l>57343)&&(f=l);break;case 4:a=e[i+1],o=e[i+2],s=e[i+3],128==(192&a)&&128==(192&o)&&128==(192&s)&&(l=(15&u)<<18|(63&a)<<12|(63&o)<<6|63&s)>65535&&l<1114112&&(f=l)}null===f?(f=65533,h=1):f>65535&&(f-=65536,r.push(f>>>10&1023|55296),f=56320|1023&f),r.push(f),i+=h}return function(e){var t=e.length;if(t<=T)return String.fromCharCode.apply(String,e);var n="",r=0;for(;r<t;)n+=String.fromCharCode.apply(String,e.slice(r,r+=T));return n}(r)}t.Buffer=l,t.SlowBuffer=function(e){+e!=e&&(e=0);return l.alloc(+e)},t.INSPECT_MAX_BYTES=50,l.TYPED_ARRAY_SUPPORT=void 0!==e.TYPED_ARRAY_SUPPORT?e.TYPED_ARRAY_SUPPORT:function(){try{var e=new Uint8Array(1);return e.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===e.foo()&&"function"==typeof e.subarray&&0===e.subarray(1,1).byteLength}catch(e){return!1}}(),t.kMaxLength=o(),l.poolSize=8192,l._augment=function(e){return e.__proto__=l.prototype,e},l.from=function(e,t,n){return u(null,e,t,n)},l.TYPED_ARRAY_SUPPORT&&(l.prototype.__proto__=Uint8Array.prototype,l.__proto__=Uint8Array,"undefined"!=typeof Symbol&&Symbol.species&&l[Symbol.species]===l&&Object.defineProperty(l,Symbol.species,{value:null,configurable:!0})),l.alloc=function(e,t,n){return function(e,t,n,r){return f(t),t<=0?s(e,t):void 0!==n?"string"==typeof r?s(e,t).fill(n,r):s(e,t).fill(n):s(e,t)}(null,e,t,n)},l.allocUnsafe=function(e){return h(null,e)},l.allocUnsafeSlow=function(e){return h(null,e)},l.isBuffer=function(e){return!(null==e||!e._isBuffer)},l.compare=function(e,t){if(!l.isBuffer(e)||!l.isBuffer(t))throw new TypeError("Arguments must be Buffers");if(e===t)return 0;for(var n=e.length,r=t.length,i=0,a=Math.min(n,r);i<a;++i)if(e[i]!==t[i]){n=e[i],r=t[i];break}return n<r?-1:r<n?1:0},l.isEncoding=function(e){switch(String(e).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},l.concat=function(e,t){if(!a(e))throw new TypeError('"list" argument must be an Array of Buffers');if(0===e.length)return l.alloc(0);var n;if(void 0===t)for(t=0,n=0;n<e.length;++n)t+=e[n].length;var r=l.allocUnsafe(t),i=0;for(n=0;n<e.length;++n){var o=e[n];if(!l.isBuffer(o))throw new TypeError('"list" argument must be an Array of Buffers');o.copy(r,i),i+=o.length}return r},l.byteLength=_,l.prototype._isBuffer=!0,l.prototype.swap16=function(){var e=this.length;if(e%2!=0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var t=0;t<e;t+=2)p(this,t,t+1);return this},l.prototype.swap32=function(){var e=this.length;if(e%4!=0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var t=0;t<e;t+=4)p(this,t,t+3),p(this,t+1,t+2);return this},l.prototype.swap64=function(){var e=this.length;if(e%8!=0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var t=0;t<e;t+=8)p(this,t,t+7),p(this,t+1,t+6),p(this,t+2,t+5),p(this,t+3,t+4);return this},l.prototype.toString=function(){var e=0|this.length;return 0===e?"":0===arguments.length?x(this,0,e):function(e,t,n){var r=!1;if((void 0===t||t<0)&&(t=0),t>this.length)return"";if((void 0===n||n>this.length)&&(n=this.length),n<=0)return"";if((n>>>=0)<=(t>>>=0))return"";for(e||(e="utf8");;)switch(e){case"hex":return L(this,t,n);case"utf8":case"utf-8":return x(this,t,n);case"ascii":return A(this,t,n);case"latin1":case"binary":return R(this,t,n);case"base64":return S(this,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return I(this,t,n);default:if(r)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase(),r=!0}}.apply(this,arguments)},l.prototype.equals=function(e){if(!l.isBuffer(e))throw new TypeError("Argument must be a Buffer");return this===e||0===l.compare(this,e)},l.prototype.inspect=function(){var e="",n=t.INSPECT_MAX_BYTES;return this.length>0&&(e=this.toString("hex",0,n).match(/.{2}/g).join(" "),this.length>n&&(e+=" ... ")),"<Buffer "+e+">"},l.prototype.compare=function(e,t,n,r,i){if(!l.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(void 0===t&&(t=0),void 0===n&&(n=e?e.length:0),void 0===r&&(r=0),void 0===i&&(i=this.length),t<0||n>e.length||r<0||i>this.length)throw new RangeError("out of range index");if(r>=i&&t>=n)return 0;if(r>=i)return-1;if(t>=n)return 1;if(t>>>=0,n>>>=0,r>>>=0,i>>>=0,this===e)return 0;for(var a=i-r,o=n-t,s=Math.min(a,o),u=this.slice(r,i),f=e.slice(t,n),h=0;h<s;++h)if(u[h]!==f[h]){a=u[h],o=f[h];break}return a<o?-1:o<a?1:0},l.prototype.includes=function(e,t,n){return-1!==this.indexOf(e,t,n)},l.prototype.indexOf=function(e,t,n){return g(this,e,t,n,!0)},l.prototype.lastIndexOf=function(e,t,n){return g(this,e,t,n,!1)},l.prototype.write=function(e,t,n,r){if(void 0===t)r="utf8",n=this.length,t=0;else if(void 0===n&&"string"==typeof t)r=t,n=this.length,t=0;else{if(!isFinite(t))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");t|=0,isFinite(n)?(n|=0,void 0===r&&(r="utf8")):(r=n,n=void 0)}var i=this.length-t;if((void 0===n||n>i)&&(n=i),e.length>0&&(n<0||t<0)||t>this.length)throw new RangeError("Attempt to write outside buffer bounds");r||(r="utf8");for(var a=!1;;)switch(r){case"hex":return v(this,e,t,n);case"utf8":case"utf-8":return b(this,e,t,n);case"ascii":return y(this,e,t,n);case"latin1":case"binary":return w(this,e,t,n);case"base64":return E(this,e,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return k(this,e,t,n);default:if(a)throw new TypeError("Unknown encoding: "+r);r=(""+r).toLowerCase(),a=!0}},l.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};var T=4096;function A(e,t,n){var r="";n=Math.min(e.length,n);for(var i=t;i<n;++i)r+=String.fromCharCode(127&e[i]);return r}function R(e,t,n){var r="";n=Math.min(e.length,n);for(var i=t;i<n;++i)r+=String.fromCharCode(e[i]);return r}function L(e,t,n){var r=e.length;(!t||t<0)&&(t=0),(!n||n<0||n>r)&&(n=r);for(var i="",a=t;a<n;++a)i+=P(e[a]);return i}function I(e,t,n){for(var r=e.slice(t,n),i="",a=0;a<r.length;a+=2)i+=String.fromCharCode(r[a]+256*r[a+1]);return i}function N(e,t,n){if(e%1!=0||e<0)throw new RangeError("offset is not uint");if(e+t>n)throw new RangeError("Trying to access beyond buffer length")}function O(e,t,n,r,i,a){if(!l.isBuffer(e))throw new TypeError('"buffer" argument must be a Buffer instance');if(t>i||t<a)throw new RangeError('"value" argument is out of bounds');if(n+r>e.length)throw new RangeError("Index out of range")}function B(e,t,n,r){t<0&&(t=65535+t+1);for(var i=0,a=Math.min(e.length-n,2);i<a;++i)e[n+i]=(t&255<<8*(r?i:1-i))>>>8*(r?i:1-i)}function M(e,t,n,r){t<0&&(t=4294967295+t+1);for(var i=0,a=Math.min(e.length-n,4);i<a;++i)e[n+i]=t>>>8*(r?i:3-i)&255}function U(e,t,n,r,i,a){if(n+r>e.length)throw new RangeError("Index out of range");if(n<0)throw new RangeError("Index out of range")}function D(e,t,n,r,a){return a||U(e,0,n,4),i.write(e,t,n,r,23,4),n+4}function C(e,t,n,r,a){return a||U(e,0,n,8),i.write(e,t,n,r,52,8),n+8}l.prototype.slice=function(e,t){var n,r=this.length;if(e=~~e,t=void 0===t?r:~~t,e<0?(e+=r)<0&&(e=0):e>r&&(e=r),t<0?(t+=r)<0&&(t=0):t>r&&(t=r),t<e&&(t=e),l.TYPED_ARRAY_SUPPORT)(n=this.subarray(e,t)).__proto__=l.prototype;else{var i=t-e;n=new l(i,void 0);for(var a=0;a<i;++a)n[a]=this[a+e]}return n},l.prototype.readUIntLE=function(e,t,n){e|=0,t|=0,n||N(e,t,this.length);for(var r=this[e],i=1,a=0;++a<t&&(i*=256);)r+=this[e+a]*i;return r},l.prototype.readUIntBE=function(e,t,n){e|=0,t|=0,n||N(e,t,this.length);for(var r=this[e+--t],i=1;t>0&&(i*=256);)r+=this[e+--t]*i;return r},l.prototype.readUInt8=function(e,t){return t||N(e,1,this.length),this[e]},l.prototype.readUInt16LE=function(e,t){return t||N(e,2,this.length),this[e]|this[e+1]<<8},l.prototype.readUInt16BE=function(e,t){return t||N(e,2,this.length),this[e]<<8|this[e+1]},l.prototype.readUInt32LE=function(e,t){return t||N(e,4,this.length),(this[e]|this[e+1]<<8|this[e+2]<<16)+16777216*this[e+3]},l.prototype.readUInt32BE=function(e,t){return t||N(e,4,this.length),16777216*this[e]+(this[e+1]<<16|this[e+2]<<8|this[e+3])},l.prototype.readIntLE=function(e,t,n){e|=0,t|=0,n||N(e,t,this.length);for(var r=this[e],i=1,a=0;++a<t&&(i*=256);)r+=this[e+a]*i;return r>=(i*=128)&&(r-=Math.pow(2,8*t)),r},l.prototype.readIntBE=function(e,t,n){e|=0,t|=0,n||N(e,t,this.length);for(var r=t,i=1,a=this[e+--r];r>0&&(i*=256);)a+=this[e+--r]*i;return a>=(i*=128)&&(a-=Math.pow(2,8*t)),a},l.prototype.readInt8=function(e,t){return t||N(e,1,this.length),128&this[e]?-1*(255-this[e]+1):this[e]},l.prototype.readInt16LE=function(e,t){t||N(e,2,this.length);var n=this[e]|this[e+1]<<8;return 32768&n?4294901760|n:n},l.prototype.readInt16BE=function(e,t){t||N(e,2,this.length);var n=this[e+1]|this[e]<<8;return 32768&n?4294901760|n:n},l.prototype.readInt32LE=function(e,t){return t||N(e,4,this.length),this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24},l.prototype.readInt32BE=function(e,t){return t||N(e,4,this.length),this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]},l.prototype.readFloatLE=function(e,t){return t||N(e,4,this.length),i.read(this,e,!0,23,4)},l.prototype.readFloatBE=function(e,t){return t||N(e,4,this.length),i.read(this,e,!1,23,4)},l.prototype.readDoubleLE=function(e,t){return t||N(e,8,this.length),i.read(this,e,!0,52,8)},l.prototype.readDoubleBE=function(e,t){return t||N(e,8,this.length),i.read(this,e,!1,52,8)},l.prototype.writeUIntLE=function(e,t,n,r){(e=+e,t|=0,n|=0,r)||O(this,e,t,n,Math.pow(2,8*n)-1,0);var i=1,a=0;for(this[t]=255&e;++a<n&&(i*=256);)this[t+a]=e/i&255;return t+n},l.prototype.writeUIntBE=function(e,t,n,r){(e=+e,t|=0,n|=0,r)||O(this,e,t,n,Math.pow(2,8*n)-1,0);var i=n-1,a=1;for(this[t+i]=255&e;--i>=0&&(a*=256);)this[t+i]=e/a&255;return t+n},l.prototype.writeUInt8=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,1,255,0),l.TYPED_ARRAY_SUPPORT||(e=Math.floor(e)),this[t]=255&e,t+1},l.prototype.writeUInt16LE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,2,65535,0),l.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8):B(this,e,t,!0),t+2},l.prototype.writeUInt16BE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,2,65535,0),l.TYPED_ARRAY_SUPPORT?(this[t]=e>>>8,this[t+1]=255&e):B(this,e,t,!1),t+2},l.prototype.writeUInt32LE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,4,4294967295,0),l.TYPED_ARRAY_SUPPORT?(this[t+3]=e>>>24,this[t+2]=e>>>16,this[t+1]=e>>>8,this[t]=255&e):M(this,e,t,!0),t+4},l.prototype.writeUInt32BE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,4,4294967295,0),l.TYPED_ARRAY_SUPPORT?(this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e):M(this,e,t,!1),t+4},l.prototype.writeIntLE=function(e,t,n,r){if(e=+e,t|=0,!r){var i=Math.pow(2,8*n-1);O(this,e,t,n,i-1,-i)}var a=0,o=1,s=0;for(this[t]=255&e;++a<n&&(o*=256);)e<0&&0===s&&0!==this[t+a-1]&&(s=1),this[t+a]=(e/o>>0)-s&255;return t+n},l.prototype.writeIntBE=function(e,t,n,r){if(e=+e,t|=0,!r){var i=Math.pow(2,8*n-1);O(this,e,t,n,i-1,-i)}var a=n-1,o=1,s=0;for(this[t+a]=255&e;--a>=0&&(o*=256);)e<0&&0===s&&0!==this[t+a+1]&&(s=1),this[t+a]=(e/o>>0)-s&255;return t+n},l.prototype.writeInt8=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,1,127,-128),l.TYPED_ARRAY_SUPPORT||(e=Math.floor(e)),e<0&&(e=255+e+1),this[t]=255&e,t+1},l.prototype.writeInt16LE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,2,32767,-32768),l.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8):B(this,e,t,!0),t+2},l.prototype.writeInt16BE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,2,32767,-32768),l.TYPED_ARRAY_SUPPORT?(this[t]=e>>>8,this[t+1]=255&e):B(this,e,t,!1),t+2},l.prototype.writeInt32LE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,4,2147483647,-2147483648),l.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8,this[t+2]=e>>>16,this[t+3]=e>>>24):M(this,e,t,!0),t+4},l.prototype.writeInt32BE=function(e,t,n){return e=+e,t|=0,n||O(this,e,t,4,2147483647,-2147483648),e<0&&(e=4294967295+e+1),l.TYPED_ARRAY_SUPPORT?(this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e):M(this,e,t,!1),t+4},l.prototype.writeFloatLE=function(e,t,n){return D(this,e,t,!0,n)},l.prototype.writeFloatBE=function(e,t,n){return D(this,e,t,!1,n)},l.prototype.writeDoubleLE=function(e,t,n){return C(this,e,t,!0,n)},l.prototype.writeDoubleBE=function(e,t,n){return C(this,e,t,!1,n)},l.prototype.copy=function(e,t,n,r){if(n||(n=0),r||0===r||(r=this.length),t>=e.length&&(t=e.length),t||(t=0),r>0&&r<n&&(r=n),r===n)return 0;if(0===e.length||0===this.length)return 0;if(t<0)throw new RangeError("targetStart out of bounds");if(n<0||n>=this.length)throw new RangeError("sourceStart out of bounds");if(r<0)throw new RangeError("sourceEnd out of bounds");r>this.length&&(r=this.length),e.length-t<r-n&&(r=e.length-t+n);var i,a=r-n;if(this===e&&n<t&&t<r)for(i=a-1;i>=0;--i)e[i+t]=this[i+n];else if(a<1e3||!l.TYPED_ARRAY_SUPPORT)for(i=0;i<a;++i)e[i+t]=this[i+n];else Uint8Array.prototype.set.call(e,this.subarray(n,n+a),t);return a},l.prototype.fill=function(e,t,n,r){if("string"==typeof e){if("string"==typeof t?(r=t,t=0,n=this.length):"string"==typeof n&&(r=n,n=this.length),1===e.length){var i=e.charCodeAt(0);i<256&&(e=i)}if(void 0!==r&&"string"!=typeof r)throw new TypeError("encoding must be a string");if("string"==typeof r&&!l.isEncoding(r))throw new TypeError("Unknown encoding: "+r)}else"number"==typeof e&&(e&=255);if(t<0||this.length<t||this.length<n)throw new RangeError("Out of range index");if(n<=t)return this;var a;if(t>>>=0,n=void 0===n?this.length:n>>>0,e||(e=0),"number"==typeof e)for(a=t;a<n;++a)this[a]=e;else{var o=l.isBuffer(e)?e:F(new l(e,r).toString()),s=o.length;for(a=0;a<n-t;++a)this[a+t]=o[a%s]}return this};var z=/[^+\/0-9A-Za-z-_]/g;function P(e){return e<16?"0"+e.toString(16):e.toString(16)}function F(e,t){var n;t=t||1/0;for(var r=e.length,i=null,a=[],o=0;o<r;++o){if((n=e.charCodeAt(o))>55295&&n<57344){if(!i){if(n>56319){(t-=3)>-1&&a.push(239,191,189);continue}if(o+1===r){(t-=3)>-1&&a.push(239,191,189);continue}i=n;continue}if(n<56320){(t-=3)>-1&&a.push(239,191,189),i=n;continue}n=65536+(i-55296<<10|n-56320)}else i&&(t-=3)>-1&&a.push(239,191,189);if(i=null,n<128){if((t-=1)<0)break;a.push(n)}else if(n<2048){if((t-=2)<0)break;a.push(n>>6|192,63&n|128)}else if(n<65536){if((t-=3)<0)break;a.push(n>>12|224,n>>6&63|128,63&n|128)}else{if(!(n<1114112))throw new Error("Invalid code point");if((t-=4)<0)break;a.push(n>>18|240,n>>12&63|128,n>>6&63|128,63&n|128)}}return a}function Z(e){return r.toByteArray(function(e){if((e=function(e){return e.trim?e.trim():e.replace(/^\s+|\s+$/g,"")}(e).replace(z,"")).length<2)return"";for(;e.length%4!=0;)e+="=";return e}(e))}function j(e,t,n,r){for(var i=0;i<r&&!(i+n>=t.length||i>=e.length);++i)t[i+n]=e[i];return i}}).call(this,n(0))},function(e,t,n){(function(e){function n(e){return Object.prototype.toString.call(e)}t.isArray=function(e){return Array.isArray?Array.isArray(e):"[object Array]"===n(e)},t.isBoolean=function(e){return"boolean"==typeof e},t.isNull=function(e){return null===e},t.isNullOrUndefined=function(e){return null==e},t.isNumber=function(e){return"number"==typeof e},t.isString=function(e){return"string"==typeof e},t.isSymbol=function(e){return"symbol"==typeof e},t.isUndefined=function(e){return void 0===e},t.isRegExp=function(e){return"[object RegExp]"===n(e)},t.isObject=function(e){return"object"==typeof e&&null!==e},t.isDate=function(e){return"[object Date]"===n(e)},t.isError=function(e){return"[object Error]"===n(e)||e instanceof Error},t.isFunction=function(e){return"function"==typeof e},t.isPrimitive=function(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||void 0===e},t.isBuffer=e.isBuffer}).call(this,n(4).Buffer)},function(e,t,n){"use strict";(function(t){!t.version||0===t.version.indexOf("v0.")||0===t.version.indexOf("v1.")&&0!==t.version.indexOf("v1.8.")?e.exports={nextTick:function(e,n,r,i){if("function"!=typeof e)throw new TypeError('"callback" argument must be a function');var a,o,s=arguments.length;switch(s){case 0:case 1:return t.nextTick(e);case 2:return t.nextTick(function(){e.call(null,n)});case 3:return t.nextTick(function(){e.call(null,n,r)});case 4:return t.nextTick(function(){e.call(null,n,r,i)});default:for(a=new Array(s-1),o=0;o<a.length;)a[o++]=arguments[o];return t.nextTick(function(){e.apply(null,a)})}}}:e.exports=t}).call(this,n(1))},function(e,t,n){var r=n(4),i=r.Buffer;function a(e,t){for(var n in e)t[n]=e[n]}function o(e,t,n){return i(e,t,n)}i.from&&i.alloc&&i.allocUnsafe&&i.allocUnsafeSlow?e.exports=r:(a(r,t),t.Buffer=o),a(i,o),o.from=function(e,t,n){if("number"==typeof e)throw new TypeError("Argument must not be a number");return i(e,t,n)},o.alloc=function(e,t,n){if("number"!=typeof e)throw new TypeError("Argument must be a number");var r=i(e);return void 0!==t?"string"==typeof n?r.fill(t,n):r.fill(t):r.fill(0),r},o.allocUnsafe=function(e){if("number"!=typeof e)throw new TypeError("Argument must be a number");return i(e)},o.allocUnsafeSlow=function(e){if("number"!=typeof e)throw new TypeError("Argument must be a number");return r.SlowBuffer(e)}},function(e,t,n){"use strict";var r="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Int32Array;function i(e,t){return Object.prototype.hasOwnProperty.call(e,t)}t.assign=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var n=t.shift();if(n){if("object"!=typeof n)throw new TypeError(n+"must be non-object");for(var r in n)i(n,r)&&(e[r]=n[r])}}return e},t.shrinkBuf=function(e,t){return e.length===t?e:e.subarray?e.subarray(0,t):(e.length=t,e)};var a={arraySet:function(e,t,n,r,i){if(t.subarray&&e.subarray)e.set(t.subarray(n,n+r),i);else for(var a=0;a<r;a++)e[i+a]=t[n+a]},flattenChunks:function(e){var t,n,r,i,a,o;for(r=0,t=0,n=e.length;t<n;t++)r+=e[t].length;for(o=new Uint8Array(r),i=0,t=0,n=e.length;t<n;t++)a=e[t],o.set(a,i),i+=a.length;return o}},o={arraySet:function(e,t,n,r,i){for(var a=0;a<r;a++)e[i+a]=t[n+a]},flattenChunks:function(e){return[].concat.apply([],e)}};t.setTyped=function(e){e?(t.Buf8=Uint8Array,t.Buf16=Uint16Array,t.Buf32=Int32Array,t.assign(t,a)):(t.Buf8=Array,t.Buf16=Array,t.Buf32=Array,t.assign(t,o))},t.setTyped(r)},function(e,t){function n(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function r(e){return"function"==typeof e}function i(e){return"object"==typeof e&&null!==e}function a(e){return void 0===e}e.exports=n,n.EventEmitter=n,n.prototype._events=void 0,n.prototype._maxListeners=void 0,n.defaultMaxListeners=10,n.prototype.setMaxListeners=function(e){if(!function(e){return"number"==typeof e}(e)||e<0||isNaN(e))throw TypeError("n must be a positive number");return this._maxListeners=e,this},n.prototype.emit=function(e){var t,n,o,s,l,u;if(this._events||(this._events={}),"error"===e&&(!this._events.error||i(this._events.error)&&!this._events.error.length)){if((t=arguments[1])instanceof Error)throw t;var f=new Error('Uncaught, unspecified "error" event. ('+t+")");throw f.context=t,f}if(a(n=this._events[e]))return!1;if(r(n))switch(arguments.length){case 1:n.call(this);break;case 2:n.call(this,arguments[1]);break;case 3:n.call(this,arguments[1],arguments[2]);break;default:s=Array.prototype.slice.call(arguments,1),n.apply(this,s)}else if(i(n))for(s=Array.prototype.slice.call(arguments,1),o=(u=n.slice()).length,l=0;l<o;l++)u[l].apply(this,s);return!0},n.prototype.addListener=function(e,t){var o;if(!r(t))throw TypeError("listener must be a function");return this._events||(this._events={}),this._events.newListener&&this.emit("newListener",e,r(t.listener)?t.listener:t),this._events[e]?i(this._events[e])?this._events[e].push(t):this._events[e]=[this._events[e],t]:this._events[e]=t,i(this._events[e])&&!this._events[e].warned&&(o=a(this._maxListeners)?n.defaultMaxListeners:this._maxListeners)&&o>0&&this._events[e].length>o&&(this._events[e].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[e].length),"function"==typeof console.trace&&console.trace()),this},n.prototype.on=n.prototype.addListener,n.prototype.once=function(e,t){if(!r(t))throw TypeError("listener must be a function");var n=!1;function i(){this.removeListener(e,i),n||(n=!0,t.apply(this,arguments))}return i.listener=t,this.on(e,i),this},n.prototype.removeListener=function(e,t){var n,a,o,s;if(!r(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;if(o=(n=this._events[e]).length,a=-1,n===t||r(n.listener)&&n.listener===t)delete this._events[e],this._events.removeListener&&this.emit("removeListener",e,t);else if(i(n)){for(s=o;s-- >0;)if(n[s]===t||n[s].listener&&n[s].listener===t){a=s;break}if(a<0)return this;1===n.length?(n.length=0,delete this._events[e]):n.splice(a,1),this._events.removeListener&&this.emit("removeListener",e,t)}return this},n.prototype.removeAllListeners=function(e){var t,n;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)"removeListener"!==t&&this.removeAllListeners(t);return this.removeAllListeners("removeListener"),this._events={},this}if(r(n=this._events[e]))this.removeListener(e,n);else if(n)for(;n.length;)this.removeListener(e,n[n.length-1]);return delete this._events[e],this},n.prototype.listeners=function(e){return this._events&&this._events[e]?r(this._events[e])?[this._events[e]]:this._events[e].slice():[]},n.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(r(t))return 1;if(t)return t.length}return 0},n.listenerCount=function(e,t){return e.listenerCount(t)}},function(e,t,n){(t=e.exports=n(13)).Stream=t,t.Readable=t,t.Writable=n(11),t.Duplex=n(3),t.Transform=n(17),t.PassThrough=n(32)},function(e,t,n){"use strict";(function(t,r,i){var a=n(6);function o(e){var t=this;this.next=null,this.entry=null,this.finish=function(){!function(e,t,n){var r=e.entry;e.entry=null;for(;r;){var i=r.callback;t.pendingcb--,i(n),r=r.next}t.corkedRequestsFree?t.corkedRequestsFree.next=e:t.corkedRequestsFree=e}(t,e)}}e.exports=v;var s,l=!t.browser&&["v0.10","v0.9."].indexOf(t.version.slice(0,5))>-1?r:a.nextTick;v.WritableState=m;var u=n(5);u.inherits=n(2);var f={deprecate:n(31)},h=n(14),c=n(7).Buffer,d=i.Uint8Array||function(){};var _,p=n(15);function g(){}function m(e,t){s=s||n(3),e=e||{};var r=t instanceof s;this.objectMode=!!e.objectMode,r&&(this.objectMode=this.objectMode||!!e.writableObjectMode);var i=e.highWaterMark,u=e.writableHighWaterMark,f=this.objectMode?16:16384;this.highWaterMark=i||0===i?i:r&&(u||0===u)?u:f,this.highWaterMark=Math.floor(this.highWaterMark),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var h=!1===e.decodeStrings;this.decodeStrings=!h,this.defaultEncoding=e.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){!function(e,t){var n=e._writableState,r=n.sync,i=n.writecb;if(function(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}(n),t)!function(e,t,n,r,i){--t.pendingcb,n?(a.nextTick(i,r),a.nextTick(S,e,t),e._writableState.errorEmitted=!0,e.emit("error",r)):(i(r),e._writableState.errorEmitted=!0,e.emit("error",r),S(e,t))}(e,n,r,t,i);else{var o=E(n);o||n.corked||n.bufferProcessing||!n.bufferedRequest||w(e,n),r?l(y,e,n,o,i):y(e,n,o,i)}}(t,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new o(this)}function v(e){if(s=s||n(3),!(_.call(v,this)||this instanceof s))return new v(e);this._writableState=new m(e,this),this.writable=!0,e&&("function"==typeof e.write&&(this._write=e.write),"function"==typeof e.writev&&(this._writev=e.writev),"function"==typeof e.destroy&&(this._destroy=e.destroy),"function"==typeof e.final&&(this._final=e.final)),h.call(this)}function b(e,t,n,r,i,a,o){t.writelen=r,t.writecb=o,t.writing=!0,t.sync=!0,n?e._writev(i,t.onwrite):e._write(i,a,t.onwrite),t.sync=!1}function y(e,t,n,r){n||function(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit("drain"))}(e,t),t.pendingcb--,r(),S(e,t)}function w(e,t){t.bufferProcessing=!0;var n=t.bufferedRequest;if(e._writev&&n&&n.next){var r=t.bufferedRequestCount,i=new Array(r),a=t.corkedRequestsFree;a.entry=n;for(var s=0,l=!0;n;)i[s]=n,n.isBuf||(l=!1),n=n.next,s+=1;i.allBuffers=l,b(e,t,!0,t.length,i,"",a.finish),t.pendingcb++,t.lastBufferedRequest=null,a.next?(t.corkedRequestsFree=a.next,a.next=null):t.corkedRequestsFree=new o(t),t.bufferedRequestCount=0}else{for(;n;){var u=n.chunk,f=n.encoding,h=n.callback;if(b(e,t,!1,t.objectMode?1:u.length,u,f,h),n=n.next,t.bufferedRequestCount--,t.writing)break}null===n&&(t.lastBufferedRequest=null)}t.bufferedRequest=n,t.bufferProcessing=!1}function E(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function k(e,t){e._final(function(n){t.pendingcb--,n&&e.emit("error",n),t.prefinished=!0,e.emit("prefinish"),S(e,t)})}function S(e,t){var n=E(t);return n&&(!function(e,t){t.prefinished||t.finalCalled||("function"==typeof e._final?(t.pendingcb++,t.finalCalled=!0,a.nextTick(k,e,t)):(t.prefinished=!0,e.emit("prefinish")))}(e,t),0===t.pendingcb&&(t.finished=!0,e.emit("finish"))),n}u.inherits(v,h),m.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(m.prototype,"buffer",{get:f.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(e){}}(),"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(_=Function.prototype[Symbol.hasInstance],Object.defineProperty(v,Symbol.hasInstance,{value:function(e){return!!_.call(this,e)||this===v&&(e&&e._writableState instanceof m)}})):_=function(e){return e instanceof this},v.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))},v.prototype.write=function(e,t,n){var r=this._writableState,i=!1,o=!r.objectMode&&function(e){return c.isBuffer(e)||e instanceof d}(e);return o&&!c.isBuffer(e)&&(e=function(e){return c.from(e)}(e)),"function"==typeof t&&(n=t,t=null),o?t="buffer":t||(t=r.defaultEncoding),"function"!=typeof n&&(n=g),r.ended?function(e,t){var n=new Error("write after end");e.emit("error",n),a.nextTick(t,n)}(this,n):(o||function(e,t,n,r){var i=!0,o=!1;return null===n?o=new TypeError("May not write null values to stream"):"string"==typeof n||void 0===n||t.objectMode||(o=new TypeError("Invalid non-string/buffer chunk")),o&&(e.emit("error",o),a.nextTick(r,o),i=!1),i}(this,r,e,n))&&(r.pendingcb++,i=function(e,t,n,r,i,a){if(!n){var o=function(e,t,n){e.objectMode||!1===e.decodeStrings||"string"!=typeof t||(t=c.from(t,n));return t}(t,r,i);r!==o&&(n=!0,i="buffer",r=o)}var s=t.objectMode?1:r.length;t.length+=s;var l=t.length<t.highWaterMark;l||(t.needDrain=!0);if(t.writing||t.corked){var u=t.lastBufferedRequest;t.lastBufferedRequest={chunk:r,encoding:i,isBuf:n,callback:a,next:null},u?u.next=t.lastBufferedRequest:t.bufferedRequest=t.lastBufferedRequest,t.bufferedRequestCount+=1}else b(e,t,!1,s,r,i,a);return l}(this,r,o,e,t,n)),i},v.prototype.cork=function(){this._writableState.corked++},v.prototype.uncork=function(){var e=this._writableState;e.corked&&(e.corked--,e.writing||e.corked||e.finished||e.bufferProcessing||!e.bufferedRequest||w(this,e))},v.prototype.setDefaultEncoding=function(e){if("string"==typeof e&&(e=e.toLowerCase()),!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((e+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+e);return this._writableState.defaultEncoding=e,this},Object.defineProperty(v.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),v.prototype._write=function(e,t,n){n(new Error("_write() is not implemented"))},v.prototype._writev=null,v.prototype.end=function(e,t,n){var r=this._writableState;"function"==typeof e?(n=e,e=null,t=null):"function"==typeof t&&(n=t,t=null),null!==e&&void 0!==e&&this.write(e,t),r.corked&&(r.corked=1,this.uncork()),r.ending||r.finished||function(e,t,n){t.ending=!0,S(e,t),n&&(t.finished?a.nextTick(n):e.once("finish",n));t.ended=!0,e.writable=!1}(this,r,n)},Object.defineProperty(v.prototype,"destroyed",{get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(e){this._writableState&&(this._writableState.destroyed=e)}}),v.prototype.destroy=p.destroy,v.prototype._undestroy=p.undestroy,v.prototype._destroy=function(e,t){this.end(),t(e)}}).call(this,n(1),n(29).setImmediate,n(0))},function(e,t){var n={}.toString;e.exports=Array.isArray||function(e){return"[object Array]"==n.call(e)}},function(e,t,n){"use strict";(function(t,r){var i=n(6);e.exports=b;var a,o=n(12);b.ReadableState=v;n(9).EventEmitter;var s=function(e,t){return e.listeners(t).length},l=n(14),u=n(7).Buffer,f=t.Uint8Array||function(){};var h=n(5);h.inherits=n(2);var c=n(26),d=void 0;d=c&&c.debuglog?c.debuglog("stream"):function(){};var _,p=n(27),g=n(15);h.inherits(b,l);var m=["error","close","destroy","pause","resume"];function v(e,t){a=a||n(3),e=e||{};var r=t instanceof a;this.objectMode=!!e.objectMode,r&&(this.objectMode=this.objectMode||!!e.readableObjectMode);var i=e.highWaterMark,o=e.readableHighWaterMark,s=this.objectMode?16:16384;this.highWaterMark=i||0===i?i:r&&(o||0===o)?o:s,this.highWaterMark=Math.floor(this.highWaterMark),this.buffer=new p,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.destroyed=!1,this.defaultEncoding=e.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,e.encoding&&(_||(_=n(16).StringDecoder),this.decoder=new _(e.encoding),this.encoding=e.encoding)}function b(e){if(a=a||n(3),!(this instanceof b))return new b(e);this._readableState=new v(e,this),this.readable=!0,e&&("function"==typeof e.read&&(this._read=e.read),"function"==typeof e.destroy&&(this._destroy=e.destroy)),l.call(this)}function y(e,t,n,r,i){var a,o=e._readableState;null===t?(o.reading=!1,function(e,t){if(t.ended)return;if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,S(e)}(e,o)):(i||(a=function(e,t){var n;(function(e){return u.isBuffer(e)||e instanceof f})(t)||"string"==typeof t||void 0===t||e.objectMode||(n=new TypeError("Invalid non-string/buffer chunk"));return n}(o,t)),a?e.emit("error",a):o.objectMode||t&&t.length>0?("string"==typeof t||o.objectMode||Object.getPrototypeOf(t)===u.prototype||(t=function(e){return u.from(e)}(t)),r?o.endEmitted?e.emit("error",new Error("stream.unshift() after end event")):w(e,o,t,!0):o.ended?e.emit("error",new Error("stream.push() after EOF")):(o.reading=!1,o.decoder&&!n?(t=o.decoder.write(t),o.objectMode||0!==t.length?w(e,o,t,!1):T(e,o)):w(e,o,t,!1))):r||(o.reading=!1));return function(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}(o)}function w(e,t,n,r){t.flowing&&0===t.length&&!t.sync?(e.emit("data",n),e.read(0)):(t.length+=t.objectMode?1:n.length,r?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&S(e)),T(e,t)}Object.defineProperty(b.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(e){this._readableState&&(this._readableState.destroyed=e)}}),b.prototype.destroy=g.destroy,b.prototype._undestroy=g.undestroy,b.prototype._destroy=function(e,t){this.push(null),t(e)},b.prototype.push=function(e,t){var n,r=this._readableState;return r.objectMode?n=!0:"string"==typeof e&&((t=t||r.defaultEncoding)!==r.encoding&&(e=u.from(e,t),t=""),n=!0),y(this,e,t,!1,n)},b.prototype.unshift=function(e){return y(this,e,null,!0,!1)},b.prototype.isPaused=function(){return!1===this._readableState.flowing},b.prototype.setEncoding=function(e){return _||(_=n(16).StringDecoder),this._readableState.decoder=new _(e),this._readableState.encoding=e,this};var E=8388608;function k(e,t){return e<=0||0===t.length&&t.ended?0:t.objectMode?1:e!=e?t.flowing&&t.length?t.buffer.head.data.length:t.length:(e>t.highWaterMark&&(t.highWaterMark=function(e){return e>=E?e=E:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function S(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(d("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?i.nextTick(x,e):x(e))}function x(e){d("emit readable"),e.emit("readable"),I(e)}function T(e,t){t.readingMore||(t.readingMore=!0,i.nextTick(A,e,t))}function A(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length<t.highWaterMark&&(d("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function R(e){d("readable nexttick read 0"),e.read(0)}function L(e,t){t.reading||(d("resume read 0"),e.read(0)),t.resumeScheduled=!1,t.awaitDrain=0,e.emit("resume"),I(e),t.flowing&&!t.reading&&e.read(0)}function I(e){var t=e._readableState;for(d("flow",t.flowing);t.flowing&&null!==e.read(););}function N(e,t){return 0===t.length?null:(t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=function(e,t,n){var r;e<t.head.data.length?(r=t.head.data.slice(0,e),t.head.data=t.head.data.slice(e)):r=e===t.head.data.length?t.shift():n?function(e,t){var n=t.head,r=1,i=n.data;e-=i.length;for(;n=n.next;){var a=n.data,o=e>a.length?a.length:e;if(o===a.length?i+=a:i+=a.slice(0,e),0===(e-=o)){o===a.length?(++r,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=a.slice(o));break}++r}return t.length-=r,i}(e,t):function(e,t){var n=u.allocUnsafe(e),r=t.head,i=1;r.data.copy(n),e-=r.data.length;for(;r=r.next;){var a=r.data,o=e>a.length?a.length:e;if(a.copy(n,n.length-e,0,o),0===(e-=o)){o===a.length?(++i,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=a.slice(o));break}++i}return t.length-=i,n}(e,t);return r}(e,t.buffer,t.decoder),n);var n}function O(e){var t=e._readableState;if(t.length>0)throw new Error('"endReadable()" called on non-empty stream');t.endEmitted||(t.ended=!0,i.nextTick(B,t,e))}function B(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function M(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}b.prototype.read=function(e){d("read",e),e=parseInt(e,10);var t=this._readableState,n=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return d("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?O(this):S(this),null;if(0===(e=k(e,t))&&t.ended)return 0===t.length&&O(this),null;var r,i=t.needReadable;return d("need readable",i),(0===t.length||t.length-e<t.highWaterMark)&&d("length less than watermark",i=!0),t.ended||t.reading?d("reading or ended",i=!1):i&&(d("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,t.reading||(e=k(n,t))),null===(r=e>0?N(e,t):null)?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(t.ended||(t.needReadable=!0),n!==e&&t.ended&&O(this)),null!==r&&this.emit("data",r),r},b.prototype._read=function(e){this.emit("error",new Error("_read() is not implemented"))},b.prototype.pipe=function(e,t){var n=this,a=this._readableState;switch(a.pipesCount){case 0:a.pipes=e;break;case 1:a.pipes=[a.pipes,e];break;default:a.pipes.push(e)}a.pipesCount+=1,d("pipe count=%d opts=%j",a.pipesCount,t);var l=(!t||!1!==t.end)&&e!==r.stdout&&e!==r.stderr?f:b;function u(t,r){d("onunpipe"),t===n&&r&&!1===r.hasUnpiped&&(r.hasUnpiped=!0,d("cleanup"),e.removeListener("close",m),e.removeListener("finish",v),e.removeListener("drain",h),e.removeListener("error",g),e.removeListener("unpipe",u),n.removeListener("end",f),n.removeListener("end",b),n.removeListener("data",p),c=!0,!a.awaitDrain||e._writableState&&!e._writableState.needDrain||h())}function f(){d("onend"),e.end()}a.endEmitted?i.nextTick(l):n.once("end",l),e.on("unpipe",u);var h=function(e){return function(){var t=e._readableState;d("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&s(e,"data")&&(t.flowing=!0,I(e))}}(n);e.on("drain",h);var c=!1;var _=!1;function p(t){d("ondata"),_=!1,!1!==e.write(t)||_||((1===a.pipesCount&&a.pipes===e||a.pipesCount>1&&-1!==M(a.pipes,e))&&!c&&(d("false write response, pause",n._readableState.awaitDrain),n._readableState.awaitDrain++,_=!0),n.pause())}function g(t){d("onerror",t),b(),e.removeListener("error",g),0===s(e,"error")&&e.emit("error",t)}function m(){e.removeListener("finish",v),b()}function v(){d("onfinish"),e.removeListener("close",m),b()}function b(){d("unpipe"),n.unpipe(e)}return n.on("data",p),function(e,t,n){if("function"==typeof e.prependListener)return e.prependListener(t,n);e._events&&e._events[t]?o(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n)}(e,"error",g),e.once("close",m),e.once("finish",v),e.emit("pipe",n),a.flowing||(d("pipe resume"),n.resume()),e},b.prototype.unpipe=function(e){var t=this._readableState,n={hasUnpiped:!1};if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this,n),this);if(!e){var r=t.pipes,i=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var a=0;a<i;a++)r[a].emit("unpipe",this,n);return this}var o=M(t.pipes,e);return-1===o?this:(t.pipes.splice(o,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this,n),this)},b.prototype.on=function(e,t){var n=l.prototype.on.call(this,e,t);if("data"===e)!1!==this._readableState.flowing&&this.resume();else if("readable"===e){var r=this._readableState;r.endEmitted||r.readableListening||(r.readableListening=r.needReadable=!0,r.emittedReadable=!1,r.reading?r.length&&S(this):i.nextTick(R,this))}return n},b.prototype.addListener=b.prototype.on,b.prototype.resume=function(){var e=this._readableState;return e.flowing||(d("resume"),e.flowing=!0,function(e,t){t.resumeScheduled||(t.resumeScheduled=!0,i.nextTick(L,e,t))}(this,e)),this},b.prototype.pause=function(){return d("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(d("pause"),this._readableState.flowing=!1,this.emit("pause")),this},b.prototype.wrap=function(e){var t=this,n=this._readableState,r=!1;for(var i in e.on("end",function(){if(d("wrapped end"),n.decoder&&!n.ended){var e=n.decoder.end();e&&e.length&&t.push(e)}t.push(null)}),e.on("data",function(i){(d("wrapped data"),n.decoder&&(i=n.decoder.write(i)),!n.objectMode||null!==i&&void 0!==i)&&((n.objectMode||i&&i.length)&&(t.push(i)||(r=!0,e.pause())))}),e)void 0===this[i]&&"function"==typeof e[i]&&(this[i]=function(t){return function(){return e[t].apply(e,arguments)}}(i));for(var a=0;a<m.length;a++)e.on(m[a],this.emit.bind(this,m[a]));return this._read=function(t){d("wrapped _read",t),r&&(r=!1,e.resume())},this},Object.defineProperty(b.prototype,"readableHighWaterMark",{enumerable:!1,get:function(){return this._readableState.highWaterMark}}),b._fromList=N}).call(this,n(0),n(1))},function(e,t,n){e.exports=n(9).EventEmitter},function(e,t,n){"use strict";var r=n(6);function i(e,t){e.emit("error",t)}e.exports={destroy:function(e,t){var n=this,a=this._readableState&&this._readableState.destroyed,o=this._writableState&&this._writableState.destroyed;return a||o?(t?t(e):!e||this._writableState&&this._writableState.errorEmitted||r.nextTick(i,this,e),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(e||null,function(e){!t&&e?(r.nextTick(i,n,e),n._writableState&&(n._writableState.errorEmitted=!0)):t&&t(e)}),this)},undestroy:function(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending