eve
Version:
Filesystem-first framework for durable backend AI agents that run anywhere.
1 lines • 21.3 kB
JavaScript
import{EventEmitter as e}from"node:events";import{stat as t,unwatchFile as n,watch as r,watchFile as i}from"node:fs";import{lstat as a,open as o,readdir as s,realpath as c,stat as l}from"node:fs/promises";import*as u from"node:path";import{join as d,relative as f,resolve as p,sep as m}from"node:path";import{Readable as ee}from"node:stream";import{type as te}from"node:os";const h={FILE_TYPE:`files`,DIR_TYPE:`directories`,FILE_DIR_TYPE:`files_directories`,EVERYTHING_TYPE:`all`},g={root:`.`,fileFilter:e=>!0,directoryFilter:e=>!0,type:h.FILE_TYPE,lstat:!1,depth:2147483648,alwaysStat:!1,highWaterMark:4096};Object.freeze(g);const _=`READDIRP_RECURSIVE_ERROR`,ne=new Set([`ENOENT`,`EPERM`,`EACCES`,`ELOOP`,_]),v=[h.DIR_TYPE,h.EVERYTHING_TYPE,h.FILE_DIR_TYPE,h.FILE_TYPE],re=new Set([h.DIR_TYPE,h.EVERYTHING_TYPE,h.FILE_DIR_TYPE]),ie=new Set([h.EVERYTHING_TYPE,h.FILE_DIR_TYPE,h.FILE_TYPE]),y=e=>ne.has(e.code),b=process.platform===`win32`,x=e=>!0,S=e=>{if(e===void 0)return x;if(typeof e==`function`)return e;if(typeof e==`string`){let t=e.trim();return e=>e.basename===t}if(Array.isArray(e)){let t=e.map(e=>e.trim());return e=>t.some(t=>e.basename===t)}return x};var ae=class extends ee{parents;reading;parent;_stat;_maxDepth;_wantsDir;_wantsFile;_wantsEverything;_root;_isDirent;_statsProp;_rdOptions;_fileFilter;_directoryFilter;constructor(e={}){super({objectMode:!0,autoDestroy:!0,highWaterMark:e.highWaterMark});let t={...g,...e},{root:n,type:r}=t;this._fileFilter=S(t.fileFilter),this._directoryFilter=S(t.directoryFilter);let i=t.lstat?a:l;b?this._stat=e=>i(e,{bigint:!0}):this._stat=i,this._maxDepth=t.depth!=null&&Number.isSafeInteger(t.depth)?t.depth:g.depth,this._wantsDir=r?re.has(r):!1,this._wantsFile=r?ie.has(r):!1,this._wantsEverything=r===h.EVERYTHING_TYPE,this._root=p(n),this._isDirent=!t.alwaysStat,this._statsProp=this._isDirent?`dirent`:`stats`,this._rdOptions={encoding:`utf8`,withFileTypes:this._isDirent},this.parents=[this._exploreDir(n,1)],this.reading=!1,this.parent=void 0}async _read(e){if(!this.reading){this.reading=!0;try{for(;!this.destroyed&&e>0;){let t=this.parent,n=t&&t.files;if(n&&n.length>0){let{path:r,depth:i}=t,a=n.splice(0,e).map(e=>this._formatEntry(e,r)),o=await Promise.all(a);for(let t of o){if(!t)continue;if(this.destroyed)return;let n=await this._getEntryType(t);n===`directory`&&this._directoryFilter(t)?(i<=this._maxDepth&&this.parents.push(this._exploreDir(t.fullPath,i+1)),this._wantsDir&&(this.push(t),e--)):(n===`file`||this._includeAsFile(t))&&this._fileFilter(t)&&this._wantsFile&&(this.push(t),e--)}}else{let e=this.parents.pop();if(!e){this.push(null);break}if(this.parent=await e,this.destroyed)return}}}catch(e){this.destroy(e)}finally{this.reading=!1}}}async _exploreDir(e,t){let n;try{n=await s(e,this._rdOptions)}catch(e){this._onError(e)}return{files:n,depth:t,path:e}}async _formatEntry(e,t){let n,r=this._isDirent?e.name:e;try{let i=p(d(t,r));n={path:f(this._root,i),fullPath:i,basename:r},n[this._statsProp]=this._isDirent?e:await this._stat(i)}catch(e){this._onError(e);return}return n}_onError(e){y(e)&&!this.destroyed?this.emit(`warn`,e):this.destroy(e)}async _getEntryType(e){if(!e&&this._statsProp in e)return``;let t=e[this._statsProp];if(t.isFile())return`file`;if(t.isDirectory())return`directory`;if(t&&t.isSymbolicLink()){let t=e.fullPath;try{let e=await c(t),n=await a(e);if(n.isFile())return`file`;if(n.isDirectory()){let n=e.length;if(t.startsWith(e)&&t.substr(n,1)===m){let n=Error(`Circular symlink detected: "${t}" points to "${e}"`);return n.code=_,this._onError(n)}return`directory`}}catch(e){return this._onError(e),``}}}_includeAsFile(e){let t=e&&e[this._statsProp];return t&&this._wantsEverything&&!t.isDirectory()}};function oe(e,t={}){let n=t.entryType||t.type;if(n===`both`&&(n=h.FILE_DIR_TYPE),n&&(t.type=n),!e)throw Error(`readdirp: root argument is required. Usage: readdirp(root, options)`);if(typeof e!=`string`)throw TypeError(`readdirp: root argument must be a string. Usage: readdirp(root, options)`);if(n&&!v.includes(n))throw Error(`readdirp: Invalid type passed. Use one of ${v.join(`, `)}`);return t.root=e,new ae(t)}const C=()=>{},w=process.platform,T=w===`win32`,E=w===`darwin`,D=w===`linux`,se=w===`freebsd`,ce=te()===`OS400`,O={ALL:`all`,READY:`ready`,ADD:`add`,CHANGE:`change`,ADD_DIR:`addDir`,UNLINK:`unlink`,UNLINK_DIR:`unlinkDir`,RAW:`raw`,ERROR:`error`},k=O,A={lstat:a,stat:l},j=`listeners`,M=`errHandlers`,N=`rawEmitters`,le=[j,M,N],ue=new Set(`3dm.3ds.3g2.3gp.7z.a.aac.adp.afdesign.afphoto.afpub.ai.aif.aiff.alz.ape.apk.appimage.ar.arj.asf.au.avi.bak.baml.bh.bin.bk.bmp.btif.bz2.bzip2.cab.caf.cgm.class.cmx.cpio.cr2.cur.dat.dcm.deb.dex.djvu.dll.dmg.dng.doc.docm.docx.dot.dotm.dra.DS_Store.dsk.dts.dtshd.dvb.dwg.dxf.ecelp4800.ecelp7470.ecelp9600.egg.eol.eot.epub.exe.f4v.fbs.fh.fla.flac.flatpak.fli.flv.fpx.fst.fvt.g3.gh.gif.graffle.gz.gzip.h261.h263.h264.icns.ico.ief.img.ipa.iso.jar.jpeg.jpg.jpgv.jpm.jxr.key.ktx.lha.lib.lvp.lz.lzh.lzma.lzo.m3u.m4a.m4v.mar.mdi.mht.mid.midi.mj2.mka.mkv.mmr.mng.mobi.mov.movie.mp3.mp4.mp4a.mpeg.mpg.mpga.mxu.nef.npx.numbers.nupkg.o.odp.ods.odt.oga.ogg.ogv.otf.ott.pages.pbm.pcx.pdb.pdf.pea.pgm.pic.png.pnm.pot.potm.potx.ppa.ppam.ppm.pps.ppsm.ppsx.ppt.pptm.pptx.psd.pya.pyc.pyo.pyv.qt.rar.ras.raw.resources.rgb.rip.rlc.rmf.rmvb.rpm.rtf.rz.s3m.s7z.scpt.sgi.shar.snap.sil.sketch.slk.smv.snk.so.stl.suo.sub.swf.tar.tbz.tbz2.tga.tgz.thmx.tif.tiff.tlz.ttc.ttf.txz.udf.uvh.uvi.uvm.uvp.uvs.uvu.viv.vob.war.wav.wax.wbmp.wdp.weba.webm.webp.whl.wim.wm.wma.wmv.wmx.woff.woff2.wrm.wvx.xbm.xif.xla.xlam.xls.xlsb.xlsm.xlsx.xlt.xltm.xltx.xm.xmind.xpi.xpm.xwd.xz.z.zip.zipx`.split(`.`)),de=e=>ue.has(u.extname(e).slice(1).toLowerCase()),P=(e,t)=>{e instanceof Set?e.forEach(t):t(e)},F=(e,t,n)=>{let r=e[t];r instanceof Set||(e[t]=r=new Set([r])),r.add(n)},I=e=>t=>{let n=e[t];n instanceof Set?n.clear():delete e[t]},L=(e,t,n)=>{let r=e[t];r instanceof Set?r.delete(n):r===n&&delete e[t]},R=e=>e instanceof Set?e.size===0:!e,z=new Map;function B(e,t,n,i,a){let o=(t,r)=>{n(e),a(t,r,{watchedPath:e}),r&&e!==r&&V(u.resolve(e,r),j,u.join(e,r))};try{return r(e,{persistent:t.persistent},o)}catch(e){i(e);return}}const V=(e,t,n,r,i)=>{let a=z.get(e);a&&P(a[t],e=>{e(n,r,i)})},fe=(e,t,n,r)=>{let{listener:i,errHandler:a,rawEmitter:s}=r,c=z.get(t),l;if(!n.persistent)return l=B(e,n,i,a,s),l?l.close.bind(l):void 0;if(c)F(c,j,i),F(c,M,a),F(c,N,s);else{if(l=B(e,n,V.bind(null,t,j),a,V.bind(null,t,N)),!l)return;l.on(k.ERROR,async n=>{let r=V.bind(null,t,M);if(c&&(c.watcherUnusable=!0),T&&n.code===`EPERM`)try{await(await o(e,`r`)).close(),r(n)}catch{}else r(n)}),c={listeners:i,errHandlers:a,rawEmitters:s,watcher:l},z.set(t,c)}return()=>{L(c,j,i),L(c,M,a),L(c,N,s),R(c.listeners)&&(c.watcher.close(),z.delete(t),le.forEach(I(c)),c.watcher=void 0,Object.freeze(c))}},H=new Map,pe=(e,t,r,a)=>{let{listener:o,rawEmitter:s}=a,c=H.get(t),l=c&&c.options;return l&&(l.persistent<r.persistent||l.interval>r.interval)&&(n(t),c=void 0),c?(F(c,j,o),F(c,N,s)):(c={listeners:o,rawEmitters:s,options:r,watcher:i(t,r,(n,r)=>{P(c.rawEmitters,e=>{e(k.CHANGE,t,{curr:n,prev:r})});let i=n.mtimeMs;(n.size!==r.size||i>r.mtimeMs||i===0)&&P(c.listeners,t=>t(e,n))})},H.set(t,c)),()=>{L(c,j,o),L(c,N,s),R(c.listeners)&&(H.delete(t),n(t),c.options=c.watcher=void 0,Object.freeze(c))}};var me=class{fsw;_boundHandleError;constructor(e){this.fsw=e,this._boundHandleError=t=>e._handleError(t)}_watchWithNodeFs(e,t){let n=this.fsw.options,r=u.dirname(e),i=u.basename(e);this.fsw._getWatchedDir(r).add(i);let a=u.resolve(e),o={persistent:n.persistent};t||=C;let s;return n.usePolling?(o.interval=n.interval!==n.binaryInterval&&de(i)?n.binaryInterval:n.interval,s=pe(e,a,o,{listener:t,rawEmitter:this.fsw._emitRaw})):s=fe(e,a,o,{listener:t,errHandler:this._boundHandleError,rawEmitter:this.fsw._emitRaw}),s}_handleFile(e,t,n){if(this.fsw.closed)return;let r=u.dirname(e),i=u.basename(e),a=this.fsw._getWatchedDir(r),o=t;if(a.has(i))return;let s=async(t,n)=>{if(this.fsw._throttle(`watch`,e,5)){if(!n||n.mtimeMs===0)try{let n=await l(e);if(this.fsw.closed)return;let r=n.atimeMs,i=n.mtimeMs;if((!r||r<=i||i!==o.mtimeMs)&&this.fsw._emit(k.CHANGE,e,n),(E||D||se)&&o.ino!==n.ino){this.fsw._closeFile(t),o=n;let r=this._watchWithNodeFs(e,s);r&&this.fsw._addPathCloser(t,r)}else o=n}catch{this.fsw._remove(r,i)}else if(a.has(i)){let t=n.atimeMs,r=n.mtimeMs;(!t||t<=r||r!==o.mtimeMs)&&this.fsw._emit(k.CHANGE,e,n),o=n}}},c=this._watchWithNodeFs(e,s);if(!(n&&this.fsw.options.ignoreInitial)&&this.fsw._isntIgnored(e)){if(!this.fsw._throttle(k.ADD,e,0))return;this.fsw._emit(k.ADD,e,t)}return c}async _handleSymlink(e,t,n,r){if(this.fsw.closed)return;let i=e.fullPath,a=this.fsw._getWatchedDir(t);if(!this.fsw.options.followSymlinks){this.fsw._incrReadyCount();let t;try{t=await c(n)}catch{return this.fsw._emitReady(),!0}return this.fsw.closed?void 0:(a.has(r)?this.fsw._symlinkPaths.get(i)!==t&&(this.fsw._symlinkPaths.set(i,t),this.fsw._emit(k.CHANGE,n,e.stats)):(a.add(r),this.fsw._symlinkPaths.set(i,t),this.fsw._emit(k.ADD,n,e.stats)),this.fsw._emitReady(),!0)}if(this.fsw._symlinkPaths.has(i))return!0;this.fsw._symlinkPaths.set(i,!0)}_handleRead(e,t,n,r,i,a,o){e=u.join(e,``);let s=r?`${e}:${r}`:e;if(o=this.fsw._throttle(`readdir`,s,1e3),!o)return;let c=this.fsw._getWatchedDir(n.path),l=new Set,d=this.fsw._readdirp(e,{fileFilter:e=>n.filterPath(e),directoryFilter:e=>n.filterDir(e)});if(d)return d.on(`data`,async o=>{if(this.fsw.closed){d=void 0;return}let s=o.path,f=u.join(e,s);if(l.add(s),!(o.stats.isSymbolicLink()&&await this._handleSymlink(o,e,f,s))){if(this.fsw.closed){d=void 0;return}(s===r||!r&&!c.has(s))&&(this.fsw._incrReadyCount(),f=u.join(i,u.relative(i,f)),this._addToNodeFs(f,t,n,a+1))}}).on(k.ERROR,this._boundHandleError),new Promise((t,s)=>{if(!d)return s();d.once(`end`,()=>{if(this.fsw.closed){d=void 0;return}let s=o?o.clear():!1;t(void 0),c.getChildren().filter(t=>t!==e&&!l.has(t)).forEach(t=>{this.fsw._remove(e,t)}),d=void 0,s&&this._handleRead(e,!1,n,r,i,a,o)})})}async _handleDir(e,t,n,r,i,a,o){let s=this.fsw._getWatchedDir(u.dirname(e)),c=s.has(u.basename(e));!(n&&this.fsw.options.ignoreInitial)&&!i&&!c&&this.fsw._emit(k.ADD_DIR,e,t),s.add(u.basename(e)),this.fsw._getWatchedDir(e);let l,d=this.fsw.options.depth;if((d==null||r<=d)&&!this.fsw._symlinkPaths.has(o)){if(!i&&(await this._handleRead(e,n,a,i,e,r,void 0),this.fsw.closed))return;l=this._watchWithNodeFs(e,(t,n)=>{n&&n.mtimeMs===0||this._handleRead(t,!1,a,i,e,r,void 0)})}return l}async _addToNodeFs(e,t,n,r,i){let a=this.fsw._emitReady;if(this.fsw._isIgnored(e)||this.fsw.closed)return a(),!1;let o=this.fsw._getWatchHelpers(e);n&&(o.filterPath=e=>n.filterPath(e),o.filterDir=e=>n.filterDir(e));try{let n=await A[o.statMethod](o.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(o.watchPath,n))return a(),!1;let s=this.fsw.options.followSymlinks,l;if(n.isDirectory()){let a=u.resolve(e),d=s?await c(e):e;if(this.fsw.closed||(l=await this._handleDir(o.watchPath,n,t,r,i,o,d),this.fsw.closed))return;a!==d&&d!==void 0&&this.fsw._symlinkPaths.set(a,d)}else if(n.isSymbolicLink()){let i=s?await c(e):e;if(this.fsw.closed)return;let a=u.dirname(o.watchPath);if(this.fsw._getWatchedDir(a).add(o.watchPath),this.fsw._emit(k.ADD,o.watchPath,n),l=await this._handleDir(a,n,t,r,e,o,i),this.fsw.closed)return;i!==void 0&&this.fsw._symlinkPaths.set(u.resolve(e),i)}else l=this._handleFile(o.watchPath,n,t);return a(),l&&this.fsw._addPathCloser(e,l),!1}catch(t){if(this.fsw._handleError(t))return a(),e}}};const he=/\\/g,U=/\/\//g,ge=/\..*\.(sw[px])$|~$|\.subl.*\.tmp/,_e=/^\.[/\\]/;function W(e){return Array.isArray(e)?e:[e]}const G=e=>typeof e==`object`&&!!e&&!(e instanceof RegExp);function ve(e){return typeof e==`function`?e:typeof e==`string`?t=>e===t:e instanceof RegExp?t=>e.test(t):typeof e==`object`&&e?t=>{if(e.path===t)return!0;if(e.recursive){let n=u.relative(e.path,t);return n?!n.startsWith(`..`)&&!u.isAbsolute(n):!1}return!1}:()=>!1}function ye(e){if(typeof e!=`string`)throw Error(`string expected`);e=u.normalize(e),e=e.replace(/\\/g,`/`);let t=!1;return e.startsWith(`//`)&&(t=!0),e=e.replace(U,`/`),t&&(e=`/`+e),e}function K(e,t,n){let r=ye(t);for(let t=0;t<e.length;t++){let i=e[t];if(i(r,n))return!0}return!1}function be(e,t){if(e==null)throw TypeError(`anymatch: specify first argument`);let n=W(e).map(e=>ve(e));return t==null?(e,t)=>K(n,e,t):K(n,t)}const q=e=>{let t=W(e).flat();if(!t.every(e=>typeof e==`string`))throw TypeError(`Non-string provided as watch path: ${t}`);return t.map(Y)},J=e=>{let t=e.replace(he,`/`),n=!1;return t.startsWith(`//`)&&(n=!0),t=t.replace(U,`/`),n&&(t=`/`+t),t},Y=e=>J(u.normalize(J(e))),X=(e=``)=>t=>typeof t==`string`?Y(u.isAbsolute(t)?t:u.join(e,t)):t,xe=(e,t)=>u.isAbsolute(e)?e:u.join(t,e),Se=Object.freeze(new Set);var Ce=class{path;_removeWatcher;items;constructor(e,t){this.path=e,this._removeWatcher=t,this.items=new Set}add(e){let{items:t}=this;t&&e!==`.`&&e!==`..`&&t.add(e)}async remove(e){let{items:t}=this;if(!t||(t.delete(e),t.size>0))return;let n=this.path;try{await s(n)}catch{this._removeWatcher&&this._removeWatcher(u.dirname(n),u.basename(n))}}has(e){let{items:t}=this;if(t)return t.has(e)}getChildren(){let{items:e}=this;return e?[...e.values()]:[]}dispose(){this.items.clear(),this.path=``,this._removeWatcher=C,this.items=Se,Object.freeze(this)}},Z=class{fsw;path;watchPath;fullWatchPath;dirParts;followSymlinks;statMethod;constructor(e,t,n){this.fsw=n;let r=e;this.path=e=e.replace(_e,``),this.watchPath=r,this.fullWatchPath=u.resolve(r),this.dirParts=[],this.dirParts.forEach(e=>{e.length>1&&e.pop()}),this.followSymlinks=t,this.statMethod=t?`stat`:`lstat`}entryPath(e){return u.join(this.watchPath,u.relative(this.watchPath,e.fullPath))}filterPath(e){let{stats:t}=e;if(t&&t.isSymbolicLink())return this.filterDir(e);let n=this.entryPath(e);return this.fsw._isntIgnored(n,t)&&this.fsw._hasReadPermissions(t)}filterDir(e){return this.fsw._isntIgnored(this.entryPath(e),e.stats)}},Q=class extends e{closed;options;_closers;_ignoredPaths;_throttled;_streams;_symlinkPaths;_watched;_pendingWrites;_pendingUnlinks;_readyCount;_emitReady;_closePromise;_userIgnored;_readyEmitted;_emitRaw;_boundRemove;_nodeFsHandler;constructor(e={}){super(),this.closed=!1,this._closers=new Map,this._ignoredPaths=new Set,this._throttled=new Map,this._streams=new Set,this._symlinkPaths=new Map,this._watched=new Map,this._pendingWrites=new Map,this._pendingUnlinks=new Map,this._readyCount=0,this._readyEmitted=!1;let t=e.awaitWriteFinish,n={stabilityThreshold:2e3,pollInterval:100},r={persistent:!0,ignoreInitial:!1,ignorePermissionErrors:!1,interval:100,binaryInterval:300,followSymlinks:!0,usePolling:!1,atomic:!0,...e,ignored:e.ignored?W(e.ignored):W([]),awaitWriteFinish:t===!0?n:typeof t==`object`?{...n,...t}:!1};ce&&(r.usePolling=!0),r.atomic===void 0&&(r.atomic=!r.usePolling);let i=process.env.CHOKIDAR_USEPOLLING;if(i!==void 0){let e=i.toLowerCase();e===`false`||e===`0`?r.usePolling=!1:e===`true`||e===`1`?r.usePolling=!0:r.usePolling=!!e}let a=process.env.CHOKIDAR_INTERVAL;a&&(r.interval=Number.parseInt(a,10));let o=0;this._emitReady=()=>{o++,o>=this._readyCount&&(this._emitReady=C,this._readyEmitted=!0,process.nextTick(()=>this.emit(O.READY)))},this._emitRaw=(...e)=>this.emit(O.RAW,...e),this._boundRemove=this._remove.bind(this),this.options=r,this._nodeFsHandler=new me(this),Object.freeze(r)}_addIgnoredPath(e){if(G(e)){for(let t of this._ignoredPaths)if(G(t)&&t.path===e.path&&t.recursive===e.recursive)return}this._ignoredPaths.add(e)}_removeIgnoredPath(e){if(this._ignoredPaths.delete(e),typeof e==`string`)for(let t of this._ignoredPaths)G(t)&&t.path===e&&this._ignoredPaths.delete(t)}add(e,t,n){let{cwd:r}=this.options;this.closed=!1,this._closePromise=void 0;let i=q(e);return r&&(i=i.map(e=>xe(e,r))),i.forEach(e=>{this._removeIgnoredPath(e)}),this._userIgnored=void 0,this._readyCount||=0,this._readyCount+=i.length,Promise.all(i.map(async e=>{let r=await this._nodeFsHandler._addToNodeFs(e,!n,void 0,0,t);return r&&this._emitReady(),r})).then(e=>{this.closed||e.forEach(e=>{e&&this.add(u.dirname(e),u.basename(t||e))})}),this}unwatch(e){if(this.closed)return this;let t=q(e),{cwd:n}=this.options;return t.forEach(e=>{!u.isAbsolute(e)&&!this._closers.has(e)&&(n&&(e=u.join(n,e)),e=u.resolve(e)),this._closePath(e),this._addIgnoredPath(e),this._watched.has(e)&&this._addIgnoredPath({path:e,recursive:!0}),this._userIgnored=void 0}),this}close(){if(this._closePromise)return this._closePromise;this.closed=!0,this.removeAllListeners();let e=[];return this._closers.forEach(t=>t.forEach(t=>{let n=t();n instanceof Promise&&e.push(n)})),this._streams.forEach(e=>e.destroy()),this._userIgnored=void 0,this._readyCount=0,this._readyEmitted=!1,this._watched.forEach(e=>e.dispose()),this._closers.clear(),this._watched.clear(),this._streams.clear(),this._symlinkPaths.clear(),this._throttled.clear(),this._closePromise=e.length?Promise.all(e).then(()=>void 0):Promise.resolve(),this._closePromise}getWatched(){let e={};return this._watched.forEach((t,n)=>{let r=(this.options.cwd?u.relative(this.options.cwd,n):n)||`.`;e[r]=t.getChildren().sort()}),e}emitWithAll(e,t){this.emit(e,...t),e!==O.ERROR&&this.emit(O.ALL,e,...t)}async _emit(e,t,n){if(this.closed)return;let r=this.options;T&&(t=u.normalize(t)),r.cwd&&(t=u.relative(r.cwd,t));let i=[t];n!=null&&i.push(n);let a=r.awaitWriteFinish,o;if(a&&(o=this._pendingWrites.get(t)))return o.lastChange=new Date,this;if(r.atomic){if(e===O.UNLINK)return this._pendingUnlinks.set(t,[e,...i]),setTimeout(()=>{this._pendingUnlinks.forEach((e,t)=>{this.emit(...e),this.emit(O.ALL,...e),this._pendingUnlinks.delete(t)})},typeof r.atomic==`number`?r.atomic:100),this;e===O.ADD&&this._pendingUnlinks.has(t)&&(e=O.CHANGE,this._pendingUnlinks.delete(t))}if(a&&(e===O.ADD||e===O.CHANGE)&&this._readyEmitted)return this._awaitWriteFinish(t,a.stabilityThreshold,e,(t,n)=>{t?(e=O.ERROR,i[0]=t,this.emitWithAll(e,i)):n&&(i.length>1?i[1]=n:i.push(n),this.emitWithAll(e,i))}),this;if(e===O.CHANGE&&!this._throttle(O.CHANGE,t,50))return this;if(r.alwaysStat&&n===void 0&&(e===O.ADD||e===O.ADD_DIR||e===O.CHANGE)){let e=r.cwd?u.join(r.cwd,t):t,n;try{n=await l(e)}catch{}if(!n||this.closed)return;i.push(n)}return this.emitWithAll(e,i),this}_handleError(e){let t=e&&e.code;return e&&t!==`ENOENT`&&t!==`ENOTDIR`&&(!this.options.ignorePermissionErrors||t!==`EPERM`&&t!==`EACCES`)&&this.emit(O.ERROR,e),e||this.closed}_throttle(e,t,n){this._throttled.has(e)||this._throttled.set(e,new Map);let r=this._throttled.get(e);if(!r)throw Error(`invalid throttle`);let i=r.get(t);if(i)return i.count++,!1;let a,o=()=>{let e=r.get(t),n=e?e.count:0;return r.delete(t),clearTimeout(a),e&&clearTimeout(e.timeoutObject),n};a=setTimeout(o,n);let s={timeoutObject:a,clear:o,count:0};return r.set(t,s),s}_incrReadyCount(){return this._readyCount++}_awaitWriteFinish(e,n,r,i){let a=this.options.awaitWriteFinish;if(typeof a!=`object`)return;let o=a.pollInterval,s,c=e;this.options.cwd&&!u.isAbsolute(e)&&(c=u.join(this.options.cwd,e));let l=new Date,d=this._pendingWrites;function f(r){t(c,(t,a)=>{if(t||!d.has(e)){t&&t.code!==`ENOENT`&&i(t);return}let c=Number(new Date);r&&a.size!==r.size&&(d.get(e).lastChange=c),c-d.get(e).lastChange>=n?(d.delete(e),i(void 0,a)):s=setTimeout(f,o,a)})}d.has(e)||(d.set(e,{lastChange:l,cancelWait:()=>(d.delete(e),clearTimeout(s),r)}),s=setTimeout(f,o))}_isIgnored(e,t){if(this.options.atomic&&ge.test(e))return!0;if(!this._userIgnored){let{cwd:e}=this.options,t=(this.options.ignored||[]).map(X(e)),n=[...[...this._ignoredPaths].map(X(e)),...t];this._userIgnored=be(n,void 0)}return this._userIgnored(e,t)}_isntIgnored(e,t){return!this._isIgnored(e,t)}_getWatchHelpers(e){return new Z(e,this.options.followSymlinks,this)}_getWatchedDir(e){let t=u.resolve(e);return this._watched.has(t)||this._watched.set(t,new Ce(t,this._boundRemove)),this._watched.get(t)}_hasReadPermissions(e){return this.options.ignorePermissionErrors?!0:!!(Number(e.mode)&256)}_remove(e,t,n){let r=u.join(e,t),i=u.resolve(r);if(n??=this._watched.has(r)||this._watched.has(i),!this._throttle(`remove`,r,100))return;!n&&this._watched.size===1&&this.add(e,t,!0),this._getWatchedDir(r).getChildren().forEach(e=>this._remove(r,e));let a=this._getWatchedDir(e),o=a.has(t);a.remove(t),this._symlinkPaths.has(i)&&this._symlinkPaths.delete(i);let s=r;if(this.options.cwd&&(s=u.relative(this.options.cwd,r)),this.options.awaitWriteFinish&&this._pendingWrites.has(s)&&this._pendingWrites.get(s).cancelWait()===O.ADD)return;this._watched.delete(r),this._watched.delete(i);let c=n?O.UNLINK_DIR:O.UNLINK;o&&!this._isIgnored(r)&&this._emit(c,r),this._closePath(r)}_closePath(e){this._closeFile(e);let t=u.dirname(e);this._getWatchedDir(t).remove(u.basename(e))}_closeFile(e){let t=this._closers.get(e);t&&(t.forEach(e=>e()),this._closers.delete(e))}_addPathCloser(e,t){if(!t)return;let n=this._closers.get(e);n||(n=[],this._closers.set(e,n)),n.push(t)}_readdirp(e,t){if(this.closed)return;let n=oe(e,{type:O.ALL,alwaysStat:!0,lstat:!0,...t,depth:0});return this._streams.add(n),n.once(`close`,()=>{n=void 0}),n.once(`end`,()=>{n&&=(this._streams.delete(n),void 0)}),n}};function $(e,t={}){let n=new Q(t);return n.add(e),n}var we={watch:$,FSWatcher:Q};export{Q as FSWatcher,Z as WatchHelper,we as default,$ as watch};