browserfs
Version:
A filesystem in your browser!
2 lines • 249 kB
JavaScript
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Le;!function(t){t[t.FILE=32768]="FILE",t[t.DIRECTORY=16384]="DIRECTORY",t[t.SYMLINK=40960]="SYMLINK"}(Le||(Le={}));var Te=function(t,e,n,r,i,o){if(void 0===r&&(r=new Date),void 0===i&&(i=new Date),void 0===o&&(o=new Date),this.size=e,this.atime=r,this.mtime=i,this.ctime=o,this.dev=0,this.ino=0,this.rdev=0,this.nlink=1,this.blksize=4096,this.uid=0,this.gid=0,this.birthtime=new Date(0),this.fileData=null,n)this.mode=n;else switch(t){case Le.FILE:this.mode=420;break;case Le.DIRECTORY:default:this.mode=511}this.blocks=Math.ceil(e/512),this.mode<4096&&(this.mode|=t)};Te.fromBuffer=function(t){var e=t.readUInt32LE(0),n=t.readUInt32LE(4),r=t.readDoubleLE(8),i=t.readDoubleLE(16),o=t.readDoubleLE(24);return new Te(61440&n,e,4095&n,new Date(r),new Date(i),new Date(o))},Te.prototype.toBuffer=function(){var e=t.alloc(32);return e.writeUInt32LE(this.size,0),e.writeUInt32LE(this.mode,4),e.writeDoubleLE(this.atime.getTime(),8),e.writeDoubleLE(this.mtime.getTime(),16),e.writeDoubleLE(this.ctime.getTime(),24),e},Te.prototype.clone=function(){return new Te(61440&this.mode,this.size,4095&this.mode,this.atime,this.mtime,this.ctime)},Te.prototype.isFile=function(){return(61440&this.mode)===Le.FILE},Te.prototype.isDirectory=function(){return(61440&this.mode)===Le.DIRECTORY},Te.prototype.isSymbolicLink=function(){return(61440&this.mode)===Le.SYMLINK},Te.prototype.chmod=function(t){this.mode=61440&this.mode|t},Te.prototype.isSocket=function(){return!1},Te.prototype.isBlockDevice=function(){return!1},Te.prototype.isCharacterDevice=function(){return!1},Te.prototype.isFIFO=function(){return!1};var xe=function(t,e){return t},Ae=function(){this.F_OK=0,this.R_OK=4,this.W_OK=2,this.X_OK=1,this.root=null,this.fdMap={},this.nextFd=100};Ae.prototype.initialize=function(t){if(!t.constructor.isAvailable())throw new Fe(be.EINVAL,"Tried to instantiate BrowserFS with an unavailable file system.");return this.root=t},Ae.prototype._toUnixTimestamp=function(t){if("number"==typeof t)return t;if(t instanceof Date)return t.getTime()/1e3;throw new Error("Cannot parse time: "+t)},Ae.prototype.getRootFS=function(){return this.root?this.root:null},Ae.prototype.rename=function(t,e,n){void 0===n&&(n=h);var r=xe(n,1);try{s(this.root).rename(u(t),u(e),r)}catch(t){r(t)}},Ae.prototype.renameSync=function(t,e){s(this.root).renameSync(u(t),u(e))},Ae.prototype.exists=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{return s(this.root).exists(u(t),n)}catch(t){return n(!1)}},Ae.prototype.existsSync=function(t){try{return s(this.root).existsSync(u(t))}catch(t){return!1}},Ae.prototype.stat=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{return s(this.root).stat(u(t),!1,n)}catch(t){return n(t)}},Ae.prototype.statSync=function(t){return s(this.root).statSync(u(t),!1)},Ae.prototype.lstat=function(t,e){void 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a=Re.getFileFlag(i.flag);return a.isWriteable()?s(this.root).writeFile(u(t),e,i.encoding,a,i.mode,o):o(new Fe(be.EINVAL,"Flag passed to writeFile must allow for writing."))}catch(t){return o(t)}},Ae.prototype.writeFileSync=function(t,e,n){var r=f(n,"utf8","w",420),i=Re.getFileFlag(r.flag);if(!i.isWriteable())throw new Fe(be.EINVAL,"Flag passed to writeFile must allow for writing.");return s(this.root).writeFileSync(u(t),e,r.encoding,i,r.mode)},Ae.prototype.appendFile=function(t,e,n,r){void 0===r&&(r=h);var i=f(n,"utf8","a",420);r="function"==typeof n?n:r;var o=xe(r,1);try{var a=Re.getFileFlag(i.flag);if(!a.isAppendable())return o(new Fe(be.EINVAL,"Flag passed to appendFile must allow for appending."));s(this.root).appendFile(u(t),e,i.encoding,a,i.mode,o)}catch(t){o(t)}},Ae.prototype.appendFileSync=function(t,e,n){var r=f(n,"utf8","a",420),i=Re.getFileFlag(r.flag);if(!i.isAppendable())throw new Fe(be.EINVAL,"Flag passed to appendFile must allow for appending.");return s(this.root).appendFileSync(u(t),e,r.encoding,i,r.mode)},Ae.prototype.fstat=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{var r=this.fd2file(t);r.stat(n)}catch(t){n(t)}},Ae.prototype.fstatSync=function(t){return this.fd2file(t).statSync()},Ae.prototype.close=function(t,e){var n=this;void 0===e&&(e=h);var r=xe(e,1);try{this.fd2file(t).close(function(e){e||n.closeFd(t),r(e)})}catch(t){r(t)}},Ae.prototype.closeSync=function(t){this.fd2file(t).closeSync(),this.closeFd(t)},Ae.prototype.ftruncate=function(t,e,n){void 0===n&&(n=h);var r="number"==typeof e?e:0;n="function"==typeof e?e:n;var i=xe(n,1);try{var o=this.fd2file(t);if(r<0)throw new Fe(be.EINVAL);o.truncate(r,i)}catch(t){i(t)}},Ae.prototype.ftruncateSync=function(t,e){void 0===e&&(e=0);var n=this.fd2file(t);if(e<0)throw new Fe(be.EINVAL);n.truncateSync(e)},Ae.prototype.fsync=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{this.fd2file(t).sync(n)}catch(t){n(t)}},Ae.prototype.fsyncSync=function(t){this.fd2file(t).syncSync()},Ae.prototype.fdatasync=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{this.fd2file(t).datasync(n)}catch(t){n(t)}},Ae.prototype.fdatasyncSync=function(t){this.fd2file(t).datasyncSync()},Ae.prototype.write=function(e,n,r,i,o,s){void 0===s&&(s=h);var a,c,u,f=null;if("string"==typeof n){var p="utf8";switch(typeof r){case"function":s=r;break;case"number":f=r,p="string"==typeof i?i:"utf8",s="function"==typeof o?o:s;break;default:return(s="function"==typeof i?i:"function"==typeof o?o:s)(new Fe(be.EINVAL,"Invalid arguments."))}a=t.from(n,p),c=0,u=a.length}else a=n,c=r,u=i,f="number"==typeof o?o:null,s="function"==typeof o?o:s;var l=xe(s,3);try{var d=this.fd2file(e);void 0!==f&&null!==f||(f=d.getPos()),d.write(a,c,u,f,l)}catch(t){l(t)}},Ae.prototype.writeSync=function(e,n,r,i,o){var s,a,c,u=0;if("string"==typeof n){c="number"==typeof r?r:null;var f="string"==typeof i?i:"utf8";u=0,s=t.from(n,f),a=s.length}else s=n,u=r,a=i,c="number"==typeof o?o:null;var h=this.fd2file(e);return void 0!==c&&null!==c||(c=h.getPos()),h.writeSync(s,u,a,c)},Ae.prototype.read=function(e,n,r,i,o,s){void 0===s&&(s=h);var a,c,u,f,p;if("number"==typeof n){u=n,a=r;var l=i;s="function"==typeof o?o:s,c=0,f=t.alloc(u),p=xe(function(t,e,n){return t?s(t):void s(t,n.toString(l),e)},3)}else f=n,c=r,u=i,a=o,p=xe(s,3);try{var d=this.fd2file(e);void 0!==a&&null!==a||(a=d.getPos()),d.read(f,c,u,a,p)}catch(t){p(t)}},Ae.prototype.readSync=function(e,n,r,i,o){var s,a,c,u,f=!1,h="utf8";"number"==typeof n?(c=n,u=r,h=i,a=0,s=t.alloc(c),f=!0):(s=n,a=r,c=i,u=o);var p=this.fd2file(e);void 0!==u&&null!==u||(u=p.getPos());var l=p.readSync(s,a,c,u);return f?[s.toString(h),l]:l},Ae.prototype.fchown=function(t,e,n,r){void 0===r&&(r=h);var i=xe(r,1);try{this.fd2file(t).chown(e,n,i)}catch(t){i(t)}},Ae.prototype.fchownSync=function(t,e,n){this.fd2file(t).chownSync(e,n)},Ae.prototype.fchmod=function(t,e,n){var r=xe(n,1);try{var i="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmod(i,r)}catch(t){r(t)}},Ae.prototype.fchmodSync=function(t,e){var n="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmodSync(n)},Ae.prototype.futimes=function(t,e,n,r){void 0===r&&(r=h);var i=xe(r,1);try{var o=this.fd2file(t);"number"==typeof e&&(e=new Date(1e3*e)),"number"==typeof n&&(n=new Date(1e3*n)),o.utimes(e,n,i)}catch(t){i(t)}},Ae.prototype.futimesSync=function(t,e,n){this.fd2file(t).utimesSync(c(e),c(n))},Ae.prototype.rmdir=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{t=u(t),s(this.root).rmdir(t,n)}catch(t){n(t)}},Ae.prototype.rmdirSync=function(t){return t=u(t),s(this.root).rmdirSync(t)},Ae.prototype.mkdir=function(t,e,n){void 0===n&&(n=h),"function"==typeof e&&(n=e,e=511);var r=xe(n,1);try{t=u(t),s(this.root).mkdir(t,e,r)}catch(t){r(t)}},Ae.prototype.mkdirSync=function(t,e){s(this.root).mkdirSync(u(t),a(e,511))},Ae.prototype.readdir=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{t=u(t),s(this.root).readdir(t,n)}catch(t){n(t)}},Ae.prototype.readdirSync=function(t){return t=u(t),s(this.root).readdirSync(t)},Ae.prototype.link=function(t,e,n){void 0===n&&(n=h);var r=xe(n,1);try{t=u(t),e=u(e),s(this.root).link(t,e,r)}catch(t){r(t)}},Ae.prototype.linkSync=function(t,e){return t=u(t),e=u(e),s(this.root).linkSync(t,e)},Ae.prototype.symlink=function(t,e,n,r){void 0===r&&(r=h);var i="string"==typeof n?n:"file";r="function"==typeof n?n:r;var o=xe(r,1);try{if("file"!==i&&"dir"!==i)return o(new Fe(be.EINVAL,"Invalid type: "+i));t=u(t),e=u(e),s(this.root).symlink(t,e,i,o)}catch(t){o(t)}},Ae.prototype.symlinkSync=function(t,e,n){
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Fe(be.ENOTSUP))},Ze.prototype.syncSync=function(){throw new Fe(be.ENOTSUP)},Ze.prototype.datasync=function(t){this.sync(t)},Ze.prototype.datasyncSync=function(){return this.syncSync()},Ze.prototype.chown=function(t,e,n){n(new Fe(be.ENOTSUP))},Ze.prototype.chownSync=function(t,e){throw new Fe(be.ENOTSUP)},Ze.prototype.chmod=function(t,e){e(new Fe(be.ENOTSUP))},Ze.prototype.chmodSync=function(t){throw new Fe(be.ENOTSUP)},Ze.prototype.utimes=function(t,e,n){n(new Fe(be.ENOTSUP))},Ze.prototype.utimesSync=function(t,e){throw new Fe(be.ENOTSUP)};var Ye=function(e){function n(t,n,r,i,o){if(e.call(this),this._pos=0,this._dirty=!1,this._fs=t,this._path=n,this._flag=r,this._stat=i,o?this._buffer=o:this._buffer=S(),this._stat.size!==this._buffer.length&&this._flag.isReadable())throw new Error("Invalid buffer: Buffer is "+this._buffer.length+" long, yet Stats object specifies that file is "+this._stat.size+" long.")}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.prototype.getBuffer=function(){return this._buffer},n.prototype.getStats=function(){return this._stat},n.prototype.getFlag=function(){return this._flag},n.prototype.getPath=function(){return this._path},n.prototype.getPos=function(){return this._flag.isAppendable()?this._stat.size:this._pos},n.prototype.advancePos=function(t){return this._pos+=t},n.prototype.setPos=function(t){return this._pos=t},n.prototype.sync=function(t){try{this.syncSync(),t()}catch(e){t(e)}},n.prototype.syncSync=function(){throw new Fe(be.ENOTSUP)},n.prototype.close=function(t){try{this.closeSync(),t()}catch(e){t(e)}},n.prototype.closeSync=function(){throw new Fe(be.ENOTSUP)},n.prototype.stat=function(t){try{t(null,this._stat.clone())}catch(e){t(e)}},n.prototype.statSync=function(){return this._stat.clone()},n.prototype.truncate=function(t,e){try{this.truncateSync(t),this._flag.isSynchronous()&&!Pe.getRootFS().supportsSynch()&&this.sync(e),e()}catch(t){return e(t)}},n.prototype.truncateSync=function(e){if(this._dirty=!0,!this._flag.isWriteable())throw new Fe(be.EPERM,"File not opened with a writeable mode.");if(this._stat.mtime=new Date,e>this._buffer.length){var n=t.alloc(e-this._buffer.length,0);return this.writeSync(n,0,n.length,this._buffer.length),void(this._flag.isSynchronous()&&Pe.getRootFS().supportsSynch()&&this.syncSync())}this._stat.size=e;var r=t.alloc(e);this._buffer.copy(r,0,0,e),this._buffer=r,this._flag.isSynchronous()&&Pe.ge