ssocket-js/build/ssocket.min.js

仿 Koa 中间件控制的 WebSocket 服务的 Web 客户端程序

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n,a,r;for(;;){if(t.lookahead<F){if(K(t),t.lookahead<F&&e===c)return 1;if(0===t.lookahead)break}if(n=0,t.lookahead>=3&&(t.ins_h=I(t,t.ins_h,t.window[t.strstart+3-1]),n=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),t.prev_length=t.match_length,t.prev_match=t.match_start,t.match_length=2,0!==n&&t.prev_length<t.max_lazy_match&&t.strstart-n<=t.w_size-F&&(t.match_length=j(t,n),t.match_length<=5&&(t.strategy===v||3===t.match_length&&t.strstart-t.match_start>4096)&&(t.match_length=2)),t.prev_length>=3&&t.match_length<=t.prev_length){r=t.strstart+t.lookahead-3,a=i(t,t.strstart-1-t.prev_match,t.prev_length-3),t.lookahead-=t.prev_length-1,t.prev_length-=2;do{++t.strstart<=r&&(t.ins_h=I(t,t.ins_h,t.window[t.strstart+3-1]),n=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart)}while(0!=--t.prev_length);if(t.match_available=0,t.match_length=2,t.strstart++,a&&(B(t,!1),0===t.strm.avail_out))return 1}else if(t.match_available){if(a=i(t,0,t.window[t.strstart-1]),a&&B(t,!1),t.strstart++,t.lookahead--,0===t.strm.avail_out)return 1}else t.match_available=1,t.strstart++,t.lookahead--}return t.match_available&&(a=i(t,0,t.window[t.strstart-1]),t.match_available=0),t.insert=t.strstart<2?t.strstart:2,e===_?(B(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(B(t,!1),0===t.strm.avail_out)?1:2};function G(t,e,n,a,r){this.good_length=t,this.max_lazy=e,this.nice_length=n,this.max_chain=a,this.func=r}const Y=[new G(0,0,0,0,((t,e)=>{let n=65535;for(n>t.pending_buf_size-5&&(n=t.pending_buf_size-5);;){if(t.lookahead<=1){if(K(t),0===t.lookahead&&e===c)return 1;if(0===t.lookahead)break}t.strstart+=t.lookahead,t.lookahead=0;const a=t.block_start+n;if((0===t.strstart||t.strstart>=a)&&(t.lookahead=t.strstart-a,t.strstart=a,B(t,!1),0===t.strm.avail_out))return 1;if(t.strstart-t.block_start>=t.w_size-F&&(B(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===_?(B(t,!0),0===t.strm.avail_out?3:4):(t.strstart>t.block_start&&(B(t,!1),t.strm.avail_out),1)})),new G(4,4,8,4,q),new G(4,5,16,8,q),new G(4,6,32,32,q),new G(4,4,16,16,J),new G(8,16,32,32,J),new G(8,16,128,128,J),new G(8,32,128,256,J),new G(32,128,258,1024,J),new G(32,258,258,4096,J)];function V(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=z,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),D(this.dyn_ltree),D(this.dyn_dtree),D(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),D(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new Uint16Array(573),D(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}const W=t=>{if(!t||!t.state)return T(t,w);t.total_in=t.total_out=0,t.data_type=E;const e=t.state;return e.pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=e.wrap?42:N,t.adler=2===e.wrap?0:1,e.last_flush=c,a(e),g},$=t=>{const e=W(t);var n;return e===g&&((n=t.state).window_size=2*n.w_size,D(n.head),n.max_lazy_match=Y[n.level].max_lazy,n.good_match=Y[n.level].good_length,n.nice_match=Y[n.level].nice_length,n.max_chain_length=Y[n.level].max_chain,n.strstart=0,n.block_start=0,n.lookahead=0,n.insert=0,n.match_length=n.prev_length=2,n.match_available=0,n.ins_h=0),e},X=(t,e,n,a,r,s)=>{if(!t)return w;let i=1;if(e===y&&(e=6),a<0?(i=0,a=-a):a>15&&(i=2,a-=16),r<1||r>9||n!==z||a<8||a>15||e<0||e>9||s<0||s>A)return T(t,w);8===a&&(a=9);const o=new V;return t.state=o,o.strm=t,o.wrap=i,o.gzhead=null,o.w_bits=a,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=r+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+3-1)/3),o.window=new Uint8Array(2*o.w_size),o.head=new Uint16Array(o.hash_size),o.prev=new Uint16Array(o.w_size),o.lit_bufsize=1<<r+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new Uint8Array(o.pending_buf_size),o.d_buf=1*o.lit_bufsize,o.l_buf=3*o.lit_bufsize,o.level=e,o.strategy=s,o.method=n,$(t)};t.exports.deflateInit=(t,e)=>X(t,e,z,15,8,S),t.exports.deflateInit2=X,t.exports.deflateReset=$,t.exports.deflateResetKeep=W,t.exports.deflateSetHeader=(t,e)=>t&&t.state?2!==t.state.wrap?w:(t.state.gzhead=e,g):w,t.exports.deflate=(t,e)=>{let n,a;if(!t||!t.state||e>p||e<0)return t?T(t,w):w;const s=t.state;if(!t.output||!t.input&&0!==t.avail_in||s.status===R&&e!==_)return T(t,0===t.avail_out?k:w);s.strm=t;const l=s.last_flush;if(s.last_flush=e,42===s.status)if(2===s.wrap)t.adler=0,P(s,31),P(s,139),P(s,8),s.gzhead?(P(s,(s.gzhead.text?1:0)+(s.gzhead.hcrc?2:0)+(s.gzhead.extra?4:0)+(s.gzhead.name?8:0)+(s.gzhead.comment?16:0)),P(s,255&s.gzhead.time),P(s,s.gzhead.time>>8&255),P(s,s.gzhead.time>>16&255),P(s,s.gzhead.time>>24&255),P(s,9===s.level?2:s.strategy>=x||s.level<2?4:0),P(s,255&s.gzhead.os),s.gzhead.extra&&s.gzhead.extra.length&&(P(s,255&s.gzhead.extra.length),P(s,s.gzhead.extra.length>>8&255)),s.gzhead.hcrc&&(t.adler=d(t.adler,s.pending_buf,s.pending,0)),s.gzindex=0,s.status=69):(P(s,0),P(s,0),P(s,0),P(s,0),P(s,0),P(s,9===s.level?2:s.strategy>=x||s.level<2?4:0),P(s,3),s.status=N);else{let e=z+(s.w_bits-8<<4)<<8,n=-1;n=s.strategy>=x||s.level<2?0:s.level<6?1:6===s.level?2:3,e|=n<<6,0!==s.strstart&&(e|=32),e+=31-e%31,s.status=N,M(s,e),0!==s.strstart&&(M(s,t.adler>>>16),M(s,65535&t.adler)),t.adler=1}if(69===s.status)if(s.gzhead.extra){for(n=s.pending;s.gzindex<(65535&s.gzhead.extra.length)&&(s.pending!==s.pending_buf_size||(s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),L(t),n=s.pending,s.pending!==s.pending_buf_size));)P(s,255&s.gzhead.extra[s.gzindex]),s.gzindex++;s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),s.gzindex===s.gzhead.extra.length&&(s.gzindex=0,s.status=73)}else s.status=73;if(73===s.status)if(s.gzhead.name){n=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),L(t),n=s.pending,s.pending===s.pending_buf_size)){a=1;break}a=s.gzindex<s.gzhead.name.length?255&s.gzhead.name.charCodeAt(s.gzindex++):0,P(s,a)}while(0!==a);s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),0===a&&(s.gzindex=0,s.status=91)}else s.status=91;if(91===s.status)if(s.gzhead.comment){n=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),L(t),n=s.pending,s.pending===s.pending_buf_size)){a=1;break}a=s.gzindex<s.gzhead.comment.length?255&s.gzhead.comment.charCodeAt(s.gzindex++):0,P(s,a)}while(0!==a);s.gzhead.hcrc&&s.pending>n&&(t.adler=d(t.adler,s.pending_buf,s.pending-n,n)),0===a&&(s.status=O)}else s.status=O;if(s.status===O&&(s.gzhead.hcrc?(s.pending+2>s.pending_buf_size&&L(t),s.pending+2<=s.pending_buf_size&&(P(s,255&t.adler),P(s,t.adler>>8&255),t.adler=0,s.status=N)):s.status=N),0!==s.pending){if(L(t),0===t.avail_out)return s.last_flush=-1,g}else if(0===t.avail_in&&Z(e)<=Z(l)&&e!==_)return T(t,k);if(s.status===R&&0!==t.avail_in)return T(t,k);if(0!==t.avail_in||0!==s.lookahead||e!==c&&s.status!==R){let n=s.strategy===x?((t,e)=>{let n;for(;;){if(0===t.lookahead&&(K(t),0===t.lookahead)){if(e===c)return 1;break}if(t.match_length=0,n=i(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,n&&(B(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===_?(B(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(B(t,!1),0===t.strm.avail_out)?1:2})(s,e):s.strategy===C?((t,e)=>{let n,a,r,s;const o=t.window;for(;;){if(t.lookahead<=U){if(K(t),t.lookahead<=U&&e===c)return 1;if(0===t.lookahead)break}if(t.match_length=0,t.lookahead>=3&&t.strstart>0&&(r=t.strstart-1,a=o[r],a===o[++r]&&a===o[++r]&&a===o[++r])){s=t.strstart+U;do{}while(a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&r<s);t.match_length=U-(s-r),t.match_length>t.lookahead&&(t.match_length=t.lookahead)}if(t.match_length>=3?(n=i(t,1,t.match_length-3),t.lookahead-=t.match_length,t.strstart+=t.match_length,t.match_length=0):(n=i(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++),n&&(B(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===_?(B(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(B(t,!1),0===t.strm.avail_out)?1:2})(s,e):Y[s.level].func(s,e);if(3!==n&&4!==n||(s.status=R),1===n||3===n)return 0===t.avail_out&&(s.last_flush=-1),g;if(2===n&&(e===u?o(s):e!==p&&(r(s,0,0,!1),e===f&&(D(s.head),0===s.lookahead&&(s.strstart=0,s.block_start=0,s.insert=0))),L(t),0===t.avail_out))return s.last_flush=-1,g}return e!==_?g:s.wrap<=0?b:(2===s.wrap?(P(s,255&t.adler),P(s,t.adler>>8&255),P(s,t.adler>>16&255),P(s,t.adler>>24&255),P(s,255&t.total_in),P(s,t.total_in>>8&255),P(s,t.total_in>>16&255),P(s,t.total_in>>24&255)):(M(s,t.adler>>>16),M(s,65535&t.adler)),L(t),s.wrap>0&&(s.wrap=-s.wrap),0!==s.pending?g:b)},t.exports.deflateEnd=t=>{if(!t||!t.state)return w;const e=t.state.status;return 42!==e&&69!==e&&73!==e&&91!==e&&e!==O&&e!==N&&e!==R?T(t,w):(t.state=null,e===N?T(t,m):g)},t.exports.deflateSetDictionary=(t,e)=>{let n=e.length;if(!t||!t.state)return w;const a=t.state,r=a.wrap;if(2===r||1===r&&42!==a.status||a.lookahead)return w;if(1===r&&(t.adler=l(t.adler,e,n,0)),a.wrap=0,n>=a.w_size){0===r&&(D(a.head),a.strstart=0,a.block_start=0,a.insert=0);let t=new Uint8Array(a.w_size);t.set(e.subarray(n-a.w_size,n),0),e=t,n=a.w_size}const s=t.avail_in,i=t.next_in,o=t.input;for(t.avail_in=n,t.next_in=0,t.input=e,K(a);a.lookahead>=3;){let t=a.strstart,e=a.lookahead-2;do{a.ins_h=I(a,a.ins_h,a.window[t+3-1]),a.prev[t&a.w_mask]=a.head[a.ins_h],a.head[a.ins_h]=t,t++}while(--e);a.strstart=t,a.lookahead=2,K(a)}return a.strstart+=a.lookahead,a.block_start=a.strstart,a.insert=a.lookahead,a.lookahead=0,a.match_length=a.prev_length=2,a.match_available=0,t.next_in=i,t.input=o,t.avail_in=s,a.wrap=r,g},t.exports.deflateInfo="pako deflate (from Nodeca project)"},401:t=>{"use strict";t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},264:t=>{"use strict";t.exports=function(t,e){let n,a,r,s,i,o,l,d,h,c,u,f,_,p,g,b,w,m,k,y,v,x,C,A;const S=t.state;n=t.next_in,C=t.input,a=n+(t.avail_in-5),r=t.next_out,A=t.output,s=r-(e-t.avail_out),i=r+(t.avail_out-257),o=S.dmax,l=S.wsize,d=S.whave,h=S.wnext,c=S.window,u=S.hold,f=S.bits,_=S.lencode,p=S.distcode,g=(1<<S.lenbits)-1,b=(1<<S.distbits)-1;t:do{f<15&&(u+=C[n++]<<f,f+=8,u+=C[n++]<<f,f+=8),w=_[u&g];e:for(;;){if(m=w>>>24,u>>>=m,f-=m,m=w>>>16&255,0===m)A[r++]=65535&w;else{if(!(16&m)){if(0==(64&m)){w=_[(65535&w)+(u&(1<<m)-1)];continue e}if(32&m){S.mode=12;break t}t.msg="invalid literal/length code",S.mode=30;break t}k=65535&w,m&=15,m&&(f<m&&(u+=C[n++]<<f,f+=8),k+=u&(1<<m)-1,u>>>=m,f-=m),f<15&&(u+=C[n++]<<f,f+=8,u+=C[n++]<<f,f+=8),w=p[u&b];n:for(;;){if(m=w>>>24,u>>>=m,f-=m,m=w>>>16&255,!(16&m)){if(0==(64&m)){w=p[(65535&w)+(u&(1<<m)-1)];continue n}t.msg="invalid distance code",S.mode=30;break t}if(y=65535&w,m&=15,f<m&&(u+=C[n++]<<f,f+=8,f<m&&(u+=C[n++]<<f,f+=8)),y+=u&(1<<m)-1,y>o){t.msg="invalid distance too far back",S.mode=30;break t}if(u>>>=m,f-=m,m=r-s,y>m){if(m=y-m,m>d&&S.sane){t.msg="invalid distance too far back",S.mode=30;break t}if(v=0,x=c,0===h){if(v+=l-m,m<k){k-=m;do{A[r++]=c[v++]}while(--m);v=r-y,x=A}}else if(h<m){if(v+=l+h-m,m-=h,m<k){k-=m;do{A[r++]=c[v++]}while(--m);if(v=0,h<k){m=h,k-=m;do{A[r++]=c[v++]}while(--m);v=r-y,x=A}}}else if(v+=h-m,m<k){k-=m;do{A[r++]=c[v++]}while(--m);v=r-y,x=A}for(;k>2;)A[r++]=x[v++],A[r++]=x[v++],A[r++]=x[v++],k-=3;k&&(A[r++]=x[v++],k>1&&(A[r++]=x[v++]))}else{v=r-y;do{A[r++]=A[v++],A[r++]=A[v++],A[r++]=A[v++],k-=3}while(k>2);k&&(A[r++]=A[v++],k>1&&(A[r++]=A[v++]))}break}}break}}while(n<a&&r<i);k=f>>3,n-=k,f-=k<<3,u&=(1<<f)-1,t.next_in=n,t.next_out=r,t.avail_in=n<a?a-n+5:5-(n-a),t.avail_out=r<i?i-r+257:257-(r-i),S.hold=u,S.bits=f}},948:(t,e,n)=>{"use strict";const a=n(69),r=n(869),s=n(264),i=n(241),{Z_FINISH:o,Z_BLOCK:l,Z_TREES:d,Z_OK:h,Z_STREAM_END:c,Z_NEED_DICT:u,Z_STREAM_ERROR:f,Z_DATA_ERROR:_,Z_MEM_ERROR:p,Z_BUF_ERROR:g,Z_DEFLATED:b}=n(619),w=12,m=30,k=t=>(t>>>24&255)+(t>>>8&65280)+((65280&t)<<8)+((255&t)<<24);function y(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}const v=t=>{if(!t||!t.state)return f;const e=t.state;return t.total_in=t.total_out=e.total=0,t.msg="",e.wrap&&(t.adler=1&e.wrap),e.mode=1,e.last=0,e.havedict=0,e.dmax=32768,e.head=null,e.hold=0,e.bits=0,e.lencode=e.lendyn=new Int32Array(852),e.distcode=e.distdyn=new Int32Array(592),e.sane=1,e.back=-1,h},x=t=>{if(!t||!t.state)return f;const e=t.state;return e.wsize=0,e.whave=0,e.wnext=0,v(t)},C=(t,e)=>{let n;if(!t||!t.state)return f;const a=t.state;return e<0?(n=0,e=-e):(n=1+(e>>4),e<48&&(e&=15)),e&&(e<8||e>15)?f:(null!==a.window&&a.wbits!==e&&(a.window=null),a.wrap=n,a.wbits=e,x(t))},A=(t,e)=>{if(!t)return f;const n=new y;t.state=n,n.window=null;const a=C(t,e);return a!==h&&(t.state=null),a};let S,E,z=!0;const U=t=>{if(z){S=new Int32Array(512),E=new Int32Array(32);let e=0;for(;e<144;)t.lens[e++]=8;for(;e<256;)t.lens[e++]=9;for(;e<280;)t.lens[e++]=7;for(;e<288;)t.lens[e++]=8;for(i(1,t.lens,0,288,S,0,t.work,{bits:9}),e=0;e<32;)t.lens[e++]=5;i(2,t.lens,0,32,E,0,t.work,{bits:5}),z=!1}t.lencode=S,t.lenbits=9,t.distcode=E,t.distbits=5},F=(t,e,n,a)=>{let r;const s=t.state;return null===s.window&&(s.wsize=1<<s.wbits,s.wnext=0,s.whave=0,s.window=new Uint8Array(s.wsize)),a>=s.wsize?(s.window.set(e.subarray(n-s.wsize,n),0),s.wnext=0,s.whave=s.wsize):(r=s.wsize-s.wnext,r>a&&(r=a),s.window.set(e.subarray(n-a,n-a+r),s.wnext),(a-=r)?(s.window.set(e.subarray(n-a,n),0),s.wnext=a,s.whave=s.wsize):(s.wnext+=r,s.wnext===s.wsize&&(s.wnext=0),s.whave<s.wsize&&(s.whave+=r))),0};t.exports.inflateReset=x,t.exports.inflateReset2=C,t.exports.inflateResetKeep=v,t.exports.inflateInit=t=>A(t,15),t.exports.inflateInit2=A,t.exports.inflate=(t,e)=>{let n,y,v,x,C,A,S,E,z,O,N,R,T,Z,D,I,L,B,P,M,H,j,K=0;const q=new Uint8Array(4);let J,G;const Y=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(!t||!t.state||!t.output||!t.input&&0!==t.avail_in)return f;n=t.state,n.mode===w&&(n.mode=13),C=t.next_out,v=t.output,S=t.avail_out,x=t.next_in,y=t.input,A=t.avail_in,E=n.hold,z=n.bits,O=A,N=S,j=h;t:for(;;)switch(n.mode){case 1:if(0===n.wrap){n.mode=13;break}for(;z<16;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}if(2&n.wrap&&35615===E){n.check=0,q[0]=255&E,q[1]=E>>>8&255,n.check=r(n.check,q,2,0),E=0,z=0,n.mode=2;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&E)<<8)+(E>>8))%31){t.msg="incorrect header check",n.mode=m;break}if((15&E)!==b){t.msg="unknown compression method",n.mode=m;break}if(E>>>=4,z-=4,H=8+(15&E),0===n.wbits)n.wbits=H;else if(H>n.wbits){t.msg="invalid window size",n.mode=m;break}n.dmax=1<<n.wbits,t.adler=n.check=1,n.mode=512&E?10:w,E=0,z=0;break;case 2:for(;z<16;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}if(n.flags=E,(255&n.flags)!==b){t.msg="unknown compression method",n.mode=m;break}if(57344&n.flags){t.msg="unknown header flags set",n.mode=m;break}n.head&&(n.head.text=E>>8&1),512&n.flags&&(q[0]=255&E,q[1]=E>>>8&255,n.check=r(n.check,q,2,0)),E=0,z=0,n.mode=3;case 3:for(;z<32;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}n.head&&(n.head.time=E),512&n.flags&&(q[0]=255&E,q[1]=E>>>8&255,q[2]=E>>>16&255,q[3]=E>>>24&255,n.check=r(n.check,q,4,0)),E=0,z=0,n.mode=4;case 4:for(;z<16;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}n.head&&(n.head.xflags=255&E,n.head.os=E>>8),512&n.flags&&(q[0]=255&E,q[1]=E>>>8&255,n.check=r(n.check,q,2,0)),E=0,z=0,n.mode=5;case 5:if(1024&n.flags){for(;z<16;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}n.length=E,n.head&&(n.head.extra_len=E),512&n.flags&&(q[0]=255&E,q[1]=E>>>8&255,n.check=r(n.check,q,2,0)),E=0,z=0}else n.head&&(n.head.extra=null);n.mode=6;case 6:if(1024&n.flags&&(R=n.length,R>A&&(R=A),R&&(n.head&&(H=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Uint8Array(n.head.extra_len)),n.head.extra.set(y.subarray(x,x+R),H)),512&n.flags&&(n.check=r(n.check,y,R,x)),A-=R,x+=R,n.length-=R),n.length))break t;n.length=0,n.mode=7;case 7:if(2048&n.flags){if(0===A)break t;R=0;do{H=y[x+R++],n.head&&H&&n.length<65536&&(n.head.name+=String.fromCharCode(H))}while(H&&R<A);if(512&n.flags&&(n.check=r(n.check,y,R,x)),A-=R,x+=R,H)break t}else n.head&&(n.head.name=null);n.length=0,n.mode=8;case 8:if(4096&n.flags){if(0===A)break t;R=0;do{H=y[x+R++],n.head&&H&&n.length<65536&&(n.head.comment+=String.fromCharCode(H))}while(H&&R<A);if(512&n.flags&&(n.check=r(n.check,y,R,x)),A-=R,x+=R,H)break t}else n.head&&(n.head.comment=null);n.mode=9;case 9:if(512&n.flags){for(;z<16;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}if(E!==(65535&n.check)){t.msg="header crc mismatch",n.mode=m;break}E=0,z=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),t.adler=n.check=0,n.mode=w;break;case 10:for(;z<32;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}t.adler=n.check=k(E),E=0,z=0,n.mode=11;case 11:if(0===n.havedict)return t.next_out=C,t.avail_out=S,t.next_in=x,t.avail_in=A,n.hold=E,n.bits=z,u;t.adler=n.check=1,n.mode=w;case w:if(e===l||e===d)break t;case 13:if(n.last){E>>>=7&z,z-=7&z,n.mode=27;break}for(;z<3;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}switch(n.last=1&E,E>>>=1,z-=1,3&E){case 0:n.mode=14;break;case 1:if(U(n),n.mode=20,e===d){E>>>=2,z-=2;break t}break;case 2:n.mode=17;break;case 3:t.msg="invalid block type",n.mode=m}E>>>=2,z-=2;break;case 14:for(E>>>=7&z,z-=7&z;z<32;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}if((65535&E)!=(E>>>16^65535)){t.msg="invalid stored block lengths",n.mode=m;break}if(n.length=65535&E,E=0,z=0,n.mode=15,e===d)break t;case 15:n.mode=16;case 16:if(R=n.length,R){if(R>A&&(R=A),R>S&&(R=S),0===R)break t;v.set(y.subarray(x,x+R),C),A-=R,x+=R,S-=R,C+=R,n.length-=R;break}n.mode=w;break;case 17:for(;z<14;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}if(n.nlen=257+(31&E),E>>>=5,z-=5,n.ndist=1+(31&E),E>>>=5,z-=5,n.ncode=4+(15&E),E>>>=4,z-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=m;break}n.have=0,n.mode=18;case 18:for(;n.have<n.ncode;){for(;z<3;){if(0===A)break t;A--,E+=y[x++]<<z,z+=8}n.lens[Y[n.have++]]=7&E,E>>>=3,z-=3}for(;n.have<19;)n.lens[Y[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,J={bits:n.lenbits},j=i(0,n.lens,0,19,n.lencode,0,n.work,J),n.lenbits=J.bits,j){t.msg="invalid code lengths set",n.mode=m;break}n.have=0,n.mode=19;case 19:for(;n.have<n.nlen+n.ndist;){for(;K=n.lencode[E&(1<<n.lenbits)-1],D=K>>>24,I=K>>>16&255,L=65535&K,!(D<=z);){if(0===A)break t;A--