// ==UserScript==
// @name 知乎下载器
// @namespace http://howardzhangdqs.eu.org/
// @source https://github.com/Howardzhangdqs/zhihu-copy-as-markdown
// @version 0.3.26-4e0824
// @description 一键复制知乎文章/回答为Markdown，下载文章/回答为zip（包含素材图片与文章/回答信息），备份你珍贵的回答与文章。
// @author HowardZhangdqs
// @match *://www.zhihu.com/*
// @match *://zhuanlan.zhihu.com/*
// @license MIT
// @icon https://static.zhihu.com/heifetz/favicon.ico
// @grant none
// ==/UserScript==
/** 更新日志
* 23.10.30: 脚本开写
*
* 23.10.31:
* feat: 解析、渲染表格
* feat: 解析、渲染链接
* fix: 加了一个被忘掉的break，但是我忘了是哪忘了加了
* fix: 修复编辑框会被加上`复制为Markdown`的按钮
* doc: 给types加了完整的注释
* doc: 给Lexer和Parser函数添加完整的注释
* chore: 更改触发方式
* feat: 链接解析为直达链接
* feat: 下载内容为zip
* feat: 下载的zip中包含内容信息（`info.txt`）
* fix: 修复回答详情里图片无法下载
* fix: 首页按钮无法正常加载
*
* 23.11.1:
* feat: `info.txt`加入作者信息
* chore: `info.txt`更名为`info.json`
* fix: 主页中`info.json > url`字段获取错误
* chore: `info.json`中`url`字段改为`link`
* fix: 主页文章作者信息获取错误
* chore: 发布在Github上
* fix: 无素材内容下来的zip中没有`index.md`
*
* 23.11.3:
* feat: 解析想法
* feat: 解析、渲染、下载视频（回答/文章中的视频）
*
* 23.11.4:
* fix: 按钮无法正常加载
* fix: 想法在未展开时就被解析
* fix: 修复部分内容同时出现一堆下载按钮以及不出现下载按钮的问题
* fix: 修复行内代码无法正确被解析的问题
*
* 23.11.5:
* feat: 解析Gif
* chore: 更方便的测试
*
* 23.12.5:
* feat: 单独成段的内联公式升级为行间公式 [来源](https://zhuanlan.zhihu.com/p/665008681#comment-10744866371)
* fix: 表格换行符解析错误
*
* 24.1.19:
* feat: 回答批量下载 [Issue](https://github.com/Howardzhangdqs/zhihu-copy-as-markdown/issues/1)
*
* 24.3.22:
* fix: 修复部分回答无法下载的问题 [Issue](https://github.com/Howardzhangdqs/zhihu-copy-as-markdown/issues/2)
* fix: 修改批量下载中问题描述文件夹名称为“问题描述” [Issue](https://github.com/Howardzhangdqs/zhihu-copy-as-markdown/issues/2#issuecomment-2014496716)
*/
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l)if(Object.prototype.hasOwnProperty.call(l,t)&&l[t].magic===e)return l[t];return null}(this.compressionMethod)))throw new Error("Corrupted zip : compression "+i.pretty(this.compressionMethod)+" unknown (inner file : "+i.transformTo("string",this.fileName)+")");this.decompressed=new a(this.compressedSize,this.uncompressedSize,this.crc32,t,e.readData(this.compressedSize))},readCentralPart:function(e){this.versionMadeBy=e.readInt(2),e.skip(2),this.bitFlag=e.readInt(2),this.compressionMethod=e.readString(2),this.date=e.readDate(),this.crc32=e.readInt(4),this.compressedSize=e.readInt(4),this.uncompressedSize=e.readInt(4);var t=e.readInt(2);if(this.extraFieldsLength=e.readInt(2),this.fileCommentLength=e.readInt(2),this.diskNumberStart=e.readInt(2),this.internalFileAttributes=e.readInt(2),this.externalFileAttributes=e.readInt(4),this.localHeaderOffset=e.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not 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t,r,n,i=e.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});e.index+4<i;)t=e.readInt(2),r=e.readInt(2),n=e.readData(r),this.extraFields[t]={id:t,length:r,value:n};e.setIndex(i)},handleUTF8:function(){var e,t=u.uint8array?"uint8array":"array";this.useUTF8()?(this.fileNameStr=o.utf8decode(this.fileName),this.fileCommentStr=o.utf8decode(this.fileComment)):(null!==(e=this.findExtraFieldUnicodePath())?this.fileNameStr=e:(e=i.transformTo(t,this.fileName),this.fileNameStr=this.loadOptions.decodeFileName(e)),null!==(e=this.findExtraFieldUnicodeComment())?this.fileCommentStr=e:(e=i.transformTo(t,this.fileComment),this.fileCommentStr=this.loadOptions.decodeFileName(e)))},findExtraFieldUnicodePath:function(){var e,t=this.extraFields[28789];return t&&1===(e=n(t.value)).readInt(1)&&s(this.fileName)===e.readInt(4)?o.utf8decode(e.readData(t.length-5)):null},findExtraFieldUnicodeComment:function(){var e,t=this.extraFields[25461];return t&&1===(e=n(t.value)).readInt(1)&&s(this.fileComment)===e.readInt(4)?o.utf8decode(e.readData(t.length-5)):null}},t.exports=h},{"./compressedObject":2,"./compressions":3,"./crc32":4,"./reader/readerFor":22,"./support":30,"./utf8":31,"./utils":32}],35:[function(e,t,r){"use strict";function n(e,t,r){this.name=e,this.dir=r.dir,this.date=r.date,this.comment=r.comment,this.unixPermissions=r.unixPermissions,this.dosPermissions=r.dosPermissions,this._data=t,this._dataBinary=r.binary,this.options={compression:r.compression,compressionOptions:r.compressionOptions}}var i=e("./stream/StreamHelper"),a=e("./stream/DataWorker"),s=e("./utf8"),o=e("./compressedObject"),l=e("./stream/GenericWorker");n.prototype={internalStream:function(e){var t=null,r="string";try{if(!e)throw new Error("No output type specified.");var n="string"===(r=e.toLowerCase())||"text"===r,a=("binarystring"!==r&&"text"!==r||(r="string"),t=this._decompressWorker(),!this._dataBinary);a&&!n&&(t=t.pipe(new s.Utf8EncodeWorker)),!a&&n&&(t=t.pipe(new s.Utf8DecodeWorker))}catch(e){(t=new l("error")).error(e)}return new i(t,r,"")},async:function(e,t){return this.internalStream(e).accumulate(t)},nodeStream:function(e,t){return this.internalStream(e||"nodebuffer").toNodejsStream(t)},_compressWorker:function(e,t){var r;return this._data instanceof o&&this._data.compression.magic===e.magic?this._data.getCompressedWorker():(r=this._decompressWorker(),this._dataBinary||(r=r.pipe(new s.Utf8EncodeWorker)),o.createWorkerFrom(r,e,t))},_decompressWorker:function(){return this._data instanceof o?this._data.getContentWorker():this._data instanceof l?this._data:new a(this._data)}};for(var u=["asText","asBinary","asNodeBuffer","asUint8Array","asArrayBuffer"],h=function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade 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i.Buf16(2*p+1),A(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}function N(e){var t;return e&&e.state?(e.total_in=e.total_out=0,e.data_type=d,(t=e.state).pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=t.wrap?k:x,e.adler=2===t.wrap?0:1,t.last_flush=u,a._tr_init(t),h):S(e,c)}function U(e){var t=N(e);return t===h&&((e=e.state).window_size=2*e.w_size,A(e.head),e.max_lazy_match=n[e.level].max_lazy,e.good_match=n[e.level].good_length,e.nice_match=n[e.level].nice_length,e.max_chain_length=n[e.level].max_chain,e.strstart=0,e.block_start=0,e.lookahead=0,e.insert=0,e.match_length=e.prev_length=b-1,e.match_available=0,e.ins_h=0),t}function P(e,t,r,n,a,s){if(!e)return c;var o=1;if(-1===t&&(t=6),n<0?(o=0,n=-n):15<n&&(o=2,n-=16),a<1||9<a||r!==f||n<8||15<n||t<0||9<t||s<0||4<s)return S(e,c);8===n&&(n=9);var l=new F;return(e.state=l).strm=e,l.wrap=o,l.gzhead=null,l.w_bits=n,l.w_size=1<<l.w_bits,l.w_mask=l.w_size-1,l.hash_bits=a+7,l.hash_size=1<<l.hash_bits,l.hash_mask=l.hash_size-1,l.hash_shift=~~((l.hash_bits+b-1)/b),l.window=new i.Buf8(2*l.w_size),l.head=new i.Buf16(l.hash_size),l.prev=new i.Buf16(l.w_size),l.lit_bufsize=1<<a+6,l.pending_buf_size=4*l.lit_bufsize,l.pending_buf=new i.Buf8(l.pending_buf_size),l.d_buf=+l.lit_bufsize,l.l_buf=3*l.lit_bufsize,l.level=t,l.strategy=s,l.method=r,U(e)}n=[new D(0,0,0,0,(function(e,t){var r=65535;for(r>e.pending_buf_size-5&&(r=e.pending_buf_size-5);;){if(e.lookahead<=1){if(R(e),0===e.lookahead&&t===u)return 1;if(0===e.lookahead)break}e.strstart+=e.lookahead,e.lookahead=0;var n=e.block_start+r;if((0===e.strstart||e.strstart>=n)&&(e.lookahead=e.strstart-n,e.strstart=n,C(e,!1),0===e.strm.avail_out))return 1;if(e.strstart-e.block_start>=e.w_size-w&&(C(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,4===t?(C(e,!0),0===e.strm.avail_out?3:4):(e.strstart>e.block_start&&(C(e,!1),e.strm.avail_out),1)})),new D(4,4,8,4,B),new D(4,5,16,8,B),new D(4,6,32,32,B),new D(4,4,16,16,L),new D(8,16,32,32,L),new D(8,16,128,128,L),new D(8,32,128,256,L),new D(32,128,258,1024,L),new D(32,258,258,4096,L)],r.deflateInit=function(e,t){return P(e,t,f,15,8,0)},r.deflateInit2=P,r.deflateReset=U,r.deflateResetKeep=N,r.deflateSetHeader=function(e,t){return e&&e.state&&2===e.state.wrap?(e.state.gzhead=t,h):c},r.deflate=function(e,t){var r,i,s,l;if(!e||!e.state||5<t||t<0)return e?S(e,c):c;if(i=e.state,!e.output||!e.input&&0!==e.avail_in||666===i.status&&4!==t)return S(e,0===e.avail_out?-5:c);if(i.strm=e,r=i.last_flush,i.last_flush=t,i.status===k&&(2===i.wrap?(e.adler=0,I(i,31),I(i,139),I(i,8),i.gzhead?(I(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),I(i,255&i.gzhead.time),I(i,i.gzhead.time>>8&255),I(i,i.gzhead.time>>16&255),I(i,i.gzhead.time>>24&255),I(i,9===i.level?2:2<=i.strategy||i.level<2?4:0),I(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(I(i,255&i.gzhead.extra.length),I(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=o(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69):(I(i,0),I(i,0),I(i,0),I(i,0),I(i,0),I(i,9===i.level?2:2<=i.strategy||i.level<2?4:0),I(i,3),i.status=x)):(d=f+(i.w_bits-8<<4)<<8,d|=(2<=i.strategy||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(d|=32),d+=31-d%31,i.status=x,T(i,d),0!==i.strstart&&(T(i,e.adler>>>16),T(i,65535&e.adler)),e.adler=1)),69===i.status)if(i.gzhead.extra){for(s=i.pending;i.gzindex<(65535&i.gzhead.extra.length)&&(i.pending!==i.pending_buf_size||(i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),E(e),s=i.pending,i.pending!==i.pending_buf_size));)I(i,255&i.gzhead.extra[i.gzindex]),i.gzindex++;i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),i.gzindex===i.gzhead.extra.length&&(i.gzindex=0,i.status=73)}else i.status=73;if(73===i.status)if(i.gzhead.name){s=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),E(e),s=i.pending,i.pending===i.pending_buf_size)){l=1;break}}while(l=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,I(i,l),0!==l);i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),0===l&&(i.gzindex=0,i.status=91)}else i.status=91;if(91===i.status)if(i.gzhead.comment){s=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),E(e),s=i.pending,i.pending===i.pending_buf_size)){l=1;break}}while(l=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,I(i,l),0!==l);i.gzhead.hcrc&&i.pending>s&&(e.adler=o(e.adler,i.pending_buf,i.pending-s,s)),0===l&&(i.status=103)}else i.status=103;if(103===i.status&&(i.gzhead.hcrc?(i.pending+2>i.pending_buf_size&&E(e),i.pending+2<=i.pending_buf_size&&(I(i,255&e.adler),I(i,e.adler>>8&255),e.adler=0,i.status=x)):i.status=x),0!==i.pending){if(E(e),0===e.avail_out)return i.last_flush=-1,h}else if(0===e.avail_in&&z(t)<=z(r)&&4!==t)return S(e,-5);if(666===i.status&&0!==e.avail_in)return S(e,-5);if(0!==e.avail_in||0!==i.lookahead||t!==u&&666!==i.status){var d=2===i.strategy?function(e,t){for(var r;;){if(0===e.lookahead&&(R(e),0===e.lookahead)){if(t===u)return 1;break}if(e.match_length=0,r=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,r&&(C(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,4===t?(C(e,!0),0===e.strm.avail_out?3:4):e.last_lit&&(C(e,!1),0===e.strm.avail_out)?1:2}(i,t):3===i.strategy?function(e,t){for(var r,n,i,s,o=e.window;;){if(e.lookahead<=v){if(R(e),e.lookahead<=v&&t===u)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=b&&0<e.strstart&&(n=o[i=e.strstart-1])===o[++i]&&n===o[++i]&&n===o[++i]){for(s=e.strstart+v;n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&i<s;);e.match_length=v-(s-i),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=b?(r=a._tr_tally(e,1,e.match_length-b),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(r=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),r&&(C(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,4===t?(C(e,!0),0===e.strm.avail_out?3:4):e.last_lit&&(C(e,!1),0===e.strm.avail_out)?1:2}(i,t):n[i.level].func(i,t);if(3!==d&&4!==d||(i.status=666),1===d||3===d)return 0===e.avail_out&&(i.last_flush=-1),h;if(2===d&&(1===t?a._tr_align(i):5!==t&&(a._tr_stored_block(i,0,0,!1),3===t)&&(A(i.head),0===i.lookahead)&&(i.strstart=0,i.block_start=0,i.insert=0),E(e),0===e.avail_out))return i.last_flush=-1,h}return 4===t&&(i.wrap<=0||(2===i.wrap?(I(i,255&e.adler),I(i,e.adler>>8&255),I(i,e.adler>>16&255),I(i,e.adler>>24&255),I(i,255&e.total_in),I(i,e.total_in>>8&255),I(i,e.total_in>>16&255),I(i,e.total_in>>24&255)):(T(i,e.adler>>>16),T(i,65535&e.adler)),E(e),0<i.wrap&&(i.wrap=-i.wrap),0===i.pending))?1:h},r.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==k&&69!==t&&73!==t&&91!==t&&103!==t&&t!==x&&666!==t?S(e,c):(e.state=null,t===x?S(e,-3):h):c},r.deflateSetDictionary=function(e,t){var r,n,a,o,l,u,d,f=t.length;if(!e||!e.state)return c;if(2===(o=(r=e.state).wrap)||1===o&&r.status!==k||r.lookahead)return c;for(1===o&&(e.adler=s(e.adler,t,f,0)),r.wrap=0,f>=r.w_size&&(0===o&&(A(r.head),r.strstart=0,r.block_start=0,r.insert=0),d=new i.Buf8(r.w_size),i.arraySet(d,t,f-r.w_size,r.w_size,0),t=d,f=r.w_size),d=e.avail_in,l=e.next_in,u=e.input,e.avail_in=f,e.next_in=0,e.input=t,R(r);r.lookahead>=b;){for(n=r.strstart,a=r.lookahead-(b-1);r.ins_h=(r.ins_h<<r.hash_shift^r.window[n+b-1])&r.hash_mask,r.prev[n&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=n,n++,--a;);r.strstart=n,r.lookahead=b-1,R(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=b-1,r.match_available=0,e.next_in=l,e.input=u,e.avail_in=d,r.wrap=o,h},r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./messages":51,"./trees":52}],47:[function(e,t,r){"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}},{}],48:[function(e,t,r){"use strict";t.exports=function(e,t){var r,n,i,a,s,o,l=e.state,u=e.next_in,h=e.input,c=u+(e.avail_in-5),d=e.next_out,f=e.output,p=d-(t-e.avail_out),m=d+(e.avail_out-257),_=l.dmax,g=l.wsize,y=l.whave,b=l.wnext,v=l.window,w=l.hold,k=l.bits,x=l.lencode,S=l.distcode,z=(1<<l.lenbits)-1,A=(1<<l.distbits)-1;e:do{for(k<15&&(w+=h[u++]<<k,k+=8,w+=h[u++]<<k,k+=8),r=x[w&z];;){if(w>>>=n=r>>>24,k-=n,0==(n=r>>>16&255))f[d++]=65535&r;else{if(!(16&n)){if(0==(64&n)){r=x[(65535&r)+(w&(1<<n)-1)];continue}if(32&n){l.mode=12;break e}e.msg="invalid literal/length code",l.mode=30;break e}for(i=65535&r,(n&=15)&&(k<n&&(w+=h[u++]<<k,k+=8),i+=w&(1<<n)-1,w>>>=n,k-=n),k<15&&(w+=h[u++]<<k,k+=8,w+=h[u++]<<k,k+=8),r=S[w&A];;){if(w>>>=n=r>>>24,k-=n,!(16&(n=r>>>16&255))){if(0==(64&n)){r=S[(65535&r)+(w&(1<<n)-1)];continue}e.msg="invalid distance code",l.mode=30;break e}if(a=65535&r,k<(n&=15)&&(w+=h[u++]<<k,(k+=8)<n)&&(w+=h[u++]<<k,k+=8),_<(a+=w&(1<<n)-1)){e.msg="invalid distance too far back",l.mode=30;break e}if(w>>>=n,k-=n,(n=d-p)<a){if(y<(n=a-n)&&l.sane){e.msg="invalid distance too far back",l.mode=30;break e}if(o=v,(s=0)===b){if(s+=g-n,n<i){for(i-=n;f[d++]=v[s++],--n;);s=d-a,o=f}}else if(b<n){if(s+=g+b-n,(n-=b)<i){for(i-=n;f[d++]=v[s++],--n;);if(s=0,b<i){for(i-=n=b;f[d++]=v[s++],--n;);s=d-a,o=f}}}else if(s+=b-n,n<i){for(i-=n;f[d++]=v[s++],--n;);s=d-a,o=f}for(;2<i;)f[d++]=o[s++],f[d++]=o[s++],f[d++]=o[s++],i-=3;i&&(f[d++]=o[s++],1<i)&&(f[d++]=o[s++])}else{for(s=d-a;f[d++]=f[s++],f[d++]=f[s++],f[d++]=f[s++],2<(i-=3););i&&(f[d++]=f[s++],1<i)&&(f[d++]=f[s++])}break}}break}}while(u<c&&d<m);u-=i=k>>3,w&=(1<<(k-=i<<3))-1,e.next_in=u,e.next_out=d,e.avail_in=u<c?c-u+5:5-(u-c),e.avail_out=d<m?m-d+257:257-(d-m),l.hold=w,l.bits=k}},{}],49:[function(e,t,r){"use strict";var n=e("../utils/common"),i=e("./adler32"),a=e("./crc32"),s=e("./inffast"),o=e("./inftrees"),l=0,u=-2,h=1,c=852,d=592;function f(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function p(){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 n.Buf16(320),this.work=new n.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function m(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=h,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new n.Buf32(c),t.distcode=t.distdyn=new n.Buf32(d),t.sane=1,t.back=-1,l):u}function _(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,m(e)):u}function g(e,t){var r,n;return!e||!e.state||(n=e.state,t<0?(r=0,t=-t):(r=1+(t>>4),t<48&&(t&=15)),t&&(t<8||15<t))?u:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=r,n.wbits=t,_(e))}function y(e,t){var r;return e?(r=new p,(e.state=r).window=null,(r=g(e,t))!==l&&(e.state=null),r):u}var b,v,w=!0;function k(e,t,r,i){var a;return null===(e=e.state).window&&(e.wsize=1<<e.wbits,e.wnext=0,e.whave=0,e.window=new n.Buf8(e.wsize)),i>=e.wsize?(n.arraySet(e.window,t,r-e.wsize,e.wsize,0),e.wnext=0,e.whave=e.wsize):(i<(a=e.wsize-e.wnext)&&(a=i),n.arraySet(e.window,t,r-i,a,e.wnext),(i-=a)?(n.arraySet(e.window,t,r-i,i,0),e.wnext=i,e.whave=e.wsize):(e.wnext+=a,e.wnext===e.wsize&&(e.wnext=0),e.whave<e.wsize&&(e.whave+=a))),0}r.inflateReset=_,r.inflateReset2=g,r.inflateResetKeep=m,r.inflateInit=function(e){return y(e,15)},r.inflateInit2=y,r.inflate=function(e,t){var r,c,d,p,m,_,g,y,x,S,z,A,E,C,I,T,O,R,B,L,D,F,N,U,P=0,j=new n.Buf8(4),M=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return u;12===(r=e.state).mode&&(r.mode=13),m=e.next_out,d=e.output,g=e.avail_out,p=e.next_in,c=e.input,_=e.avail_in,y=r.hold,x=r.bits,S=_,z=g,F=l;e:for(;;)switch(r.mode){case h:if(0===r.wrap)r.mode=13;else{for(;x<16;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(2&r.wrap&&35615===y)j[r.check=0]=255&y,j[1]=y>>>8&255,r.check=a(r.check,j,2,0),x=y=0,r.mode=2;else if(r.flags=0,r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&y)<<8)+(y>>8))%31)e.msg="incorrect header check",r.mode=30;else if(8!=(15&y))e.msg="unknown compression method",r.mode=30;else{if(x-=4,D=8+(15&(y>>>=4)),0===r.wbits)r.wbits=D;else if(D>r.wbits){e.msg="invalid window size",r.mode=30;break}r.dmax=1<<D,e.adler=r.check=1,r.mode=512&y?10:12,x=y=0}}break;case 2:for(;x<16;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(r.flags=y,8!=(255&r.flags)){e.msg="unknown compression method",r.mode=30;break}if(57344&r.flags){e.msg="unknown header flags set",r.mode=30;break}r.head&&(r.head.text=y>>8&1),512&r.flags&&(j[0]=255&y,j[1]=y>>>8&255,r.check=a(r.check,j,2,0)),x=y=0,r.mode=3;case 3:for(;x<32;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.head&&(r.head.time=y),512&r.flags&&(j[0]=255&y,j[1]=y>>>8&255,j[2]=y>>>16&255,j[3]=y>>>24&255,r.check=a(r.check,j,4,0)),x=y=0,r.mode=4;case 4:for(;x<16;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.head&&(r.head.xflags=255&y,r.head.os=y>>8),512&r.flags&&(j[0]=255&y,j[1]=y>>>8&255,r.check=a(r.check,j,2,0)),x=y=0,r.mode=5;case 5:if(1024&r.flags){for(;x<16;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.length=y,r.head&&(r.head.extra_len=y),512&r.flags&&(j[0]=255&y,j[1]=y>>>8&255,r.check=a(r.check,j,2,0)),x=y=0}else r.head&&(r.head.extra=null);r.mode=6;case 6:if(1024&r.flags&&((A=_<(A=r.length)?_:A)&&(r.head&&(D=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Array(r.head.extra_len)),n.arraySet(r.head.extra,c,p,A,D)),512&r.flags&&(r.check=a(r.check,c,A,p)),_-=A,p+=A,r.length-=A),r.length))break e;r.length=0,r.mode=7;case 7:if(2048&r.flags){if(0===_)break e;for(A=0;D=c[p+A++],r.head&&D&&r.length<65536&&(r.head.name+=String.fromCharCode(D)),D&&A<_;);if(512&r.flags&&(r.check=a(r.check,c,A,p)),_-=A,p+=A,D)break e}else r.head&&(r.head.name=null);r.length=0,r.mode=8;case 8:if(4096&r.flags){if(0===_)break e;for(A=0;D=c[p+A++],r.head&&D&&r.length<65536&&(r.head.comment+=String.fromCharCode(D)),D&&A<_;);if(512&r.flags&&(r.check=a(r.check,c,A,p)),_-=A,p+=A,D)break e}else r.head&&(r.head.comment=null);r.mode=9;case 9:if(512&r.flags){for(;x<16;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(y!==(65535&r.check)){e.msg="header crc mismatch",r.mode=30;break}x=y=0}r.head&&(r.head.hcrc=r.flags>>9&1,r.head.done=!0),e.adler=r.check=0,r.mode=12;break;case 10:for(;x<32;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}e.adler=r.check=f(y),x=y=0,r.mode=11;case 11:if(0===r.havedict)return e.next_out=m,e.avail_out=g,e.next_in=p,e.avail_in=_,r.hold=y,r.bits=x,2;e.adler=r.check=1,r.mode=12;case 12:if(5===t||6===t)break e;case 13:if(r.last)y>>>=7&x,x-=7&x,r.mode=27;else{for(;x<3;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}switch(r.last=1&y,--x,3&(y>>>=1)){case 0:r.mode=14;break;case 1:Z=W=void 0;var Z,W=r;if(w){for(b=new n.Buf32(512),v=new n.Buf32(32),Z=0;Z<144;)W.lens[Z++]=8;for(;Z<256;)W.lens[Z++]=9;for(;Z<280;)W.lens[Z++]=7;for(;Z<288;)W.lens[Z++]=8;for(o(1,W.lens,0,288,b,0,W.work,{bits:9}),Z=0;Z<32;)W.lens[Z++]=5;o(2,W.lens,0,32,v,0,W.work,{bits:5}),w=!1}if(W.lencode=b,W.lenbits=9,W.distcode=v,W.distbits=5,r.mode=20,6!==t)break;y>>>=2,x-=2;break e;case 2:r.mode=17;break;case 3:e.msg="invalid block type",r.mode=30}y>>>=2,x-=2}break;case 14:for(y>>>=7&x,x-=7&x;x<32;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if((65535&y)!=(y>>>16^65535)){e.msg="invalid stored block lengths",r.mode=30;break}if(r.length=65535&y,x=y=0,r.mode=15,6===t)break e;case 15:r.mode=16;case 16:if(A=r.length){if(0===(A=g<(A=_<A?_:A)?g:A))break e;n.arraySet(d,c,p,A,m),_-=A,p+=A,g-=A,m+=A,r.length-=A}else r.mode=12;break;case 17:for(;x<14;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(r.nlen=257+(31&y),y>>>=5,x-=5,r.ndist=1+(31&y),y>>>=5,x-=5,r.ncode=4+(15&y),y>>>=4,x-=4,286<r.nlen||30<r.ndist){e.msg="too many length or distance symbols",r.mode=30;break}r.have=0,r.mode=18;case 18:for(;r.have<r.ncode;){for(;x<3;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.lens[M[r.have++]]=7&y,y>>>=3,x-=3}for(;r.have<19;)r.lens[M[r.have++]]=0;if(r.lencode=r.lendyn,r.lenbits=7,N={bits:r.lenbits},F=o(0,r.lens,0,19,r.lencode,0,r.work,N),r.lenbits=N.bits,F){e.msg="invalid code lengths set",r.mode=30;break}r.have=0,r.mode=19;case 19:for(;r.have<r.nlen+r.ndist;){for(;T=(P=r.lencode[y&(1<<r.lenbits)-1])>>>16&255,O=65535&P,!((I=P>>>24)<=x);){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(O<16)y>>>=I,x-=I,r.lens[r.have++]=O;else{if(16===O){for(U=I+2;x<U;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(y>>>=I,x-=I,0===r.have){e.msg="invalid bit length repeat",r.mode=30;break}D=r.lens[r.have-1],A=3+(3&y),y>>>=2,x-=2}else if(17===O){for(U=I+3;x<U;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}D=0,A=3+(7&(y>>>=I)),y>>>=3,x=x-I-3}else{for(U=I+7;x<U;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}D=0,A=11+(127&(y>>>=I)),y>>>=7,x=x-I-7}if(r.have+A>r.nlen+r.ndist){e.msg="invalid bit length repeat",r.mode=30;break}for(;A--;)r.lens[r.have++]=D}}if(30===r.mode)break;if(0===r.lens[256]){e.msg="invalid code -- missing end-of-block",r.mode=30;break}if(r.lenbits=9,N={bits:r.lenbits},F=o(1,r.lens,0,r.nlen,r.lencode,0,r.work,N),r.lenbits=N.bits,F){e.msg="invalid literal/lengths set",r.mode=30;break}if(r.distbits=6,r.distcode=r.distdyn,N={bits:r.distbits},F=o(2,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,N),r.distbits=N.bits,F){e.msg="invalid distances set",r.mode=30;break}if(r.mode=20,6===t)break e;case 20:r.mode=21;case 21:if(6<=_&&258<=g){e.next_out=m,e.avail_out=g,e.next_in=p,e.avail_in=_,r.hold=y,r.bits=x,s(e,z),m=e.next_out,d=e.output,g=e.avail_out,p=e.next_in,c=e.input,_=e.avail_in,y=r.hold,x=r.bits,12===r.mode&&(r.back=-1);break}for(r.back=0;T=(P=r.lencode[y&(1<<r.lenbits)-1])>>>16&255,O=65535&P,!((I=P>>>24)<=x);){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(T&&0==(240&T)){for(R=I,B=T,L=O;T=(P=r.lencode[L+((y&(1<<R+B)-1)>>R)])>>>16&255,O=65535&P,!(R+(I=P>>>24)<=x);){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}y>>>=R,x-=R,r.back+=R}if(y>>>=I,x-=I,r.back+=I,r.length=O,0===T){r.mode=26;break}if(32&T){r.back=-1,r.mode=12;break}if(64&T){e.msg="invalid literal/length code",r.mode=30;break}r.extra=15&T,r.mode=22;case 22:if(r.extra){for(U=r.extra;x<U;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.length+=y&(1<<r.extra)-1,y>>>=r.extra,x-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=23;case 23:for(;T=(P=r.distcode[y&(1<<r.distbits)-1])>>>16&255,O=65535&P,!((I=P>>>24)<=x);){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(0==(240&T)){for(R=I,B=T,L=O;T=(P=r.distcode[L+((y&(1<<R+B)-1)>>R)])>>>16&255,O=65535&P,!(R+(I=P>>>24)<=x);){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}y>>>=R,x-=R,r.back+=R}if(y>>>=I,x-=I,r.back+=I,64&T){e.msg="invalid distance code",r.mode=30;break}r.offset=O,r.extra=15&T,r.mode=24;case 24:if(r.extra){for(U=r.extra;x<U;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}r.offset+=y&(1<<r.extra)-1,y>>>=r.extra,x-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back",r.mode=30;break}r.mode=25;case 25:if(0===g)break e;if(r.offset>(A=z-g)){if((A=r.offset-A)>r.whave&&r.sane){e.msg="invalid distance too far back",r.mode=30;break}E=A>r.wnext?(A-=r.wnext,r.wsize-A):r.wnext-A,A>r.length&&(A=r.length),C=r.window}else C=d,E=m-r.offset,A=r.length;for(g-=A=g<A?g:A,r.length-=A;d[m++]=C[E++],--A;);0===r.length&&(r.mode=21);break;case 26:if(0===g)break e;d[m++]=r.length,g--,r.mode=21;break;case 27:if(r.wrap){for(;x<32;){if(0===_)break e;_--,y|=c[p++]<<x,x+=8}if(z-=g,e.total_out+=z,r.total+=z,z&&(e.adler=r.check=(r.flags?a:i)(r.check,d,z,m-z)),z=g,(r.flags?y:f(y))!==r.check){e.msg="incorrect data check",r.mode=30;break}x=y=0}r.mode=28;case 28:if(r.wrap&&r.flags){for(;x<32;){if(0===_)break e;_--,y+=c[p++]<<x,x+=8}if(y!==(4294967295&r.total)){e.msg="incorrect length check",r.mode=30;break}x=y=0}r.mode=29;case 29:F=1;break e;case 30:F=-3;break e;case 31:return-4;default:return u}return e.next_out=m,e.avail_out=g,e.next_in=p,e.avail_in=_,r.hold=y,r.bits=x,(r.wsize||z!==e.avail_out&&r.mode<30&&(r.mode<27||4!==t))&&k(e,e.output,e.next_out,z-e.avail_out)?(r.mode=31,-4):(S-=e.avail_in,z-=e.avail_out,e.total_in+=S,e.total_out+=z,r.total+=z,r.wrap&&z&&(e.adler=r.check=(r.flags?a:i)(r.check,d,z,e.next_out-z)),e.data_type=r.bits+(r.last?64:0)+(12===r.mode?128:0)+(20===r.mode||15===r.mode?256:0),F=(0==S&&0===z||4===t)&&F===l?-5:F)},r.inflateEnd=function(e){var t;return e&&e.state?((t=e.state).window&&(t.window=null),e.state=null,l):u},r.inflateGetHeader=function(e,t){return e&&e.state&&0!=(2&(e=e.state).wrap)?((e.head=t).done=!1,l):u},r.inflateSetDictionary=function(e,t){var r,n=t.length;return!e||!e.state||0!==(r=e.state).wrap&&11!==r.mode?u:11===r.mode&&i(1,t,n,0)!==r.check?-3:k(e,t,n,n)?(r.mode=31,-4):(r.havedict=1,l)},r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./inffast":48,"./inftrees":50}],50:[function(e,t,r){"use strict";var n=e("../utils/common"),i=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],a=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],s=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],o=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,r,l,u,h,c,d){var f,p,m,_,g,y,b,v,w,k=d.bits,x=0,S=0,z=0,A=0,E=0,C=0,I=0,T=0,O=0,R=0,B=null,L=0,D=new n.Buf16(16),F=new n.Buf16(16),N=null,U=0;for(x=0;x<=15;x++)D[x]=0;for(S=0;S<l;S++)D[t[r+S]]++;for(E=k,A=15;1<=A&&0===D[A];A--);if(A<E&&(E=A),0===A)u[h++]=20971520,u[h++]=20971520,d.bits=1;else{for(z=1;z<A&&0===D[z];z++);for(E<z&&(E=z),x=T=1;x<=15;x++)if((T=(T<<1)-D[x])<0)return-1;if(0<T&&(0===e||1!==A))return-1;for(F[1]=0,x=1;x<15;x++)F[x+1]=F[x]+D[x];for(S=0;S<l;S++)0!==t[r+S]&&(c[F[t[r+S]]++]=S);if(y=0===e?(B=N=c,19):1===e?(B=i,L-=257,N=a,U-=257,256):(B=s,N=o,-1),x=z,g=h,I=S=R=0,m=-1,_=(O=1<<(C=E))-1,1===e&&852<O||2===e&&592<O)return 1;for(;;){for(w=c[S]<y?(v=0,c[S]):c[S]>y?(v=N[U+c[S]],B[L+c[S]]):(v=96,0),f=1<<(b=x-I),z=p=1<<C;u[g+(R>>I)+(p-=f)]=b<<24|v<<16|w|0,0!==p;);for(f=1<<x-1;R&f;)f>>=1;if(R=0!==f?(R&f-1)+f:0,S++,0==--D[x]){if(x===A)break;x=t[r+c[S]]}if(E<x&&(R&_)!==m){for(g+=z,T=1<<(C=x-(I=0===I?E:I));C+I<A&&!((T-=D[C+I])<=0);)C++,T<<=1;if(O+=1<<C,1===e&&852<O||2===e&&592<O)return 1;u[m=R&_]=E<<24|C<<16|g-h|0}}0!==R&&(u[g+R]=x-I<<24|64<<16|0),d.bits=E}return 0}},{"../utils/common":41}],51:[function(e,t,r){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],52:[function(e,t,r){"use strict";var n=e("../utils/common");function i(e){for(var t=e.length;0<=--t;)e[t]=0}var a=16,s=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],o=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],l=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],u=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],h=new Array(576),c=(i(h),new Array(60)),d=(i(c),new Array(512)),f=(i(d),new Array(256)),p=(i(f),new Array(29));i(p);var m,_,g,y=new Array(30);function b(e,t,r,n,i){this.static_tree=e,this.extra_bits=t,this.extra_base=r,this.elems=n,this.max_length=i,this.has_stree=e&&e.length}function v(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function w(e){return e<256?d[e]:d[256+(e>>>7)]}function 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