@typescript/vfs - npm Package Compare versions

Comparing version 1.5.0 to 1.5.1

dist/vfs.cjs.development.js

@@ -6,6 +6,5 @@ 'use strict';
 function _extends() {
-  _extends = Object.assign || function (target) {
+  _extends = Object.assign ? Object.assign.bind() : function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
@@ -17,6 +16,4 @@ if (Object.prototype.hasOwnProperty.call(source, key)) {
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
@@ -26,7 +23,5 @@ }
 var hasLocalStorage = false;
-
 try {
   hasLocalStorage = typeof localStorage !== "undefined";
 } catch (error) {}
-
 var hasProcess = typeof process !== "undefined";
@@ -47,3 +42,2 @@ var shouldDebug = hasLocalStorage && /*#__PURE__*/localStorage.getItem("DEBUG") || hasProcess && process.env.DEBUG;
  */
-
 function createVirtualTypeScriptEnvironment(sys, rootFiles, ts, compilerOptions, customTransformers) {
@@ -53,12 +47,8 @@ if (compilerOptions === void 0) {
   }
-
   var mergedCompilerOpts = _extends({}, defaultCompilerOptions(ts), compilerOptions);
-
   var _createVirtualLanguag = createVirtualLanguageServiceHost(sys, rootFiles, mergedCompilerOpts, ts, customTransformers),
-      languageServiceHost = _createVirtualLanguag.languageServiceHost,
-      _updateFile = _createVirtualLanguag.updateFile;
-
+    languageServiceHost = _createVirtualLanguag.languageServiceHost,
+    _updateFile = _createVirtualLanguag.updateFile;
   var languageService = ts.createLanguageService(languageServiceHost);
   var diagnostics = languageService.getCompilerOptionsDiagnostics();
-
   if (diagnostics.length) {
@@ -68,3 +58,2 @@ var compilerHost = createVirtualCompilerHost(sys, compilerOptions, ts);
   }
-
   return {
@@ -77,3 +66,2 @@ // @ts-ignore
       var _languageService$getP;
-
       return (_languageService$getP = languageService.getProgram()) == null ? void 0 : _languageService$getP.getSourceFile(fileName);
@@ -86,9 +74,7 @@ },
       var prevSourceFile = languageService.getProgram().getSourceFile(fileName);
-
       if (!prevSourceFile) {
         throw new Error("Did not find a source file for " + fileName);
       }
-
-      var prevFullContents = prevSourceFile.text; // TODO: Validate if the default text span has a fencepost error?
-
+      var prevFullContents = prevSourceFile.text;
+      // TODO: Validate if the default text span has a fencepost error?
       var prevTextSpan = optPrevTextSpan != null ? optPrevTextSpan : ts.createTextSpan(0, prevFullContents.length);
@@ -100,9 +86,8 @@ var newText = prevFullContents.slice(0, prevTextSpan.start) + content + prevFullContents.slice(prevTextSpan.start + prevTextSpan.length);
       });
-
       _updateFile(newSourceFile);
     }
   };
-} // TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
+}
+// TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
 // and then using that to generate the list of files from the server, but it is not included in the npm package
-
 /**
@@ -116,9 +101,8 @@ * Grab the list of lib files for a particular target, will return a bit more than necessary (by including
  */
-
 var knownLibFilesForCompilerOptions = function knownLibFilesForCompilerOptions(compilerOptions, ts) {
   var target = compilerOptions.target || ts.ScriptTarget.ES5;
-  var lib = compilerOptions.lib || []; // Note that this will include files which can't be found for particular versions of TS
+  var lib = compilerOptions.lib || [];
+  // Note that this will include files which can't be found for particular versions of TS
   // TODO: Replace this with some sort of API call if https://github.com/microsoft/TypeScript/pull/54011
   // or similar is merged.
-
   var files = ["lib.d.ts", "lib.decorators.d.ts", "lib.decorators.legacy.d.ts", "lib.dom.d.ts", "lib.dom.iterable.d.ts", "lib.webworker.d.ts", "lib.webworker.importscripts.d.ts", "lib.webworker.iterable.d.ts", "lib.scripthost.d.ts", "lib.es5.d.ts", "lib.es6.d.ts", "lib.es2015.collection.d.ts", "lib.es2015.core.d.ts", "lib.es2015.d.ts", "lib.es2015.generator.d.ts", "lib.es2015.iterable.d.ts", "lib.es2015.promise.d.ts", "lib.es2015.proxy.d.ts", "lib.es2015.reflect.d.ts", "lib.es2015.symbol.d.ts", "lib.es2015.symbol.wellknown.d.ts", "lib.es2016.array.include.d.ts", "lib.es2016.d.ts", "lib.es2016.full.d.ts", "lib.es2017.d.ts", "lib.es2017.date.d.ts", "lib.es2017.full.d.ts", "lib.es2017.intl.d.ts", "lib.es2017.object.d.ts", "lib.es2017.sharedmemory.d.ts", "lib.es2017.string.d.ts", "lib.es2017.typedarrays.d.ts", "lib.es2018.asyncgenerator.d.ts", "lib.es2018.asynciterable.d.ts", "lib.es2018.d.ts", "lib.es2018.full.d.ts", "lib.es2018.intl.d.ts", "lib.es2018.promise.d.ts", "lib.es2018.regexp.d.ts", "lib.es2019.array.d.ts", "lib.es2019.d.ts", "lib.es2019.full.d.ts", "lib.es2019.intl.d.ts", "lib.es2019.object.d.ts", "lib.es2019.string.d.ts", "lib.es2019.symbol.d.ts", "lib.es2020.bigint.d.ts", "lib.es2020.d.ts", "lib.es2020.date.d.ts", "lib.es2020.full.d.ts", "lib.es2020.intl.d.ts", "lib.es2020.number.d.ts", "lib.es2020.promise.d.ts", "lib.es2020.sharedmemory.d.ts", "lib.es2020.string.d.ts", "lib.es2020.symbol.wellknown.d.ts", "lib.es2021.d.ts", "lib.es2021.full.d.ts", "lib.es2021.intl.d.ts", "lib.es2021.promise.d.ts", "lib.es2021.string.d.ts", "lib.es2021.weakref.d.ts", "lib.es2022.array.d.ts", "lib.es2022.d.ts", "lib.es2022.error.d.ts", "lib.es2022.full.d.ts", "lib.es2022.intl.d.ts", "lib.es2022.object.d.ts", "lib.es2022.regexp.d.ts", "lib.es2022.sharedmemory.d.ts", "lib.es2022.string.d.ts", "lib.es2023.array.d.ts", "lib.es2023.collection.d.ts", "lib.es2023.d.ts", "lib.es2023.full.d.ts", "lib.esnext.array.d.ts", "lib.esnext.asynciterable.d.ts", "lib.esnext.bigint.d.ts", "lib.esnext.d.ts", "lib.esnext.decorators.d.ts", "lib.esnext.disposable.d.ts", "lib.esnext.full.d.ts", "lib.esnext.intl.d.ts", "lib.esnext.promise.d.ts", "lib.esnext.string.d.ts", "lib.esnext.symbol.d.ts", "lib.esnext.weakref.d.ts"];
@@ -130,3 +114,2 @@ var targetToCut = ts.ScriptTarget[target];
   var targetCutIndex = files.indexOf(matches.pop());
-
   var getMax = function getMax(array) {
@@ -136,5 +119,4 @@ return array && array.length ? array.reduce(function (max, current) {
     }) : undefined;
-  }; // Find the index for everything in
-
-
+  };
+  // Find the index for everything in
   var indexesForCutting = lib.map(function (lib) {
@@ -159,7 +141,5 @@ var matches = files.filter(function (f) {
  */
-
 var createDefaultMapFromNodeModules = function createDefaultMapFromNodeModules(_compilerOptions, _ts, tsLibDirectory) {
   var path = requirePath();
   var fs = requireFS();
-
   var getLib = function getLib(name) {
@@ -169,3 +149,2 @@ var lib = tsLibDirectory || path.dirname(require.resolve("typescript"));
   };
-
   var libFiles = fs.readdirSync(tsLibDirectory || path.dirname(require.resolve("typescript")));
@@ -184,7 +163,5 @@ var knownLibFiles = libFiles.filter(function (f) {
  */
-
 var addAllFilesFromFolder = function addAllFilesFromFolder(map, workingDir) {
   var path = requirePath();
   var fs = requireFS();
-
   var walk = function walk(dir) {
@@ -196,3 +173,2 @@ var results = [];
       var stat = fs.statSync(file);
-
       if (stat && stat.isDirectory()) {
@@ -208,3 +184,2 @@ /* Recurse into a subdirectory */
   };
-
   var allFiles = walk(workingDir);
@@ -215,3 +190,2 @@ allFiles.forEach(function (lib) {
     var validExtensions = [".ts", ".tsx"];
-
     if (validExtensions.includes(path.extname(fsPath))) {
@@ -223,3 +197,2 @@ map.set(fsPath, content);
 /** Adds all files from node_modules/@types into the FS Map */
-
 var addFilesForTypesIntoFolder = function addFilesForTypesIntoFolder(map) {
@@ -240,3 +213,2 @@ return addAllFilesFromFolder(map, "node_modules/@types");
  */
-
 var createDefaultMapFromCDN = function createDefaultMapFromCDN(options, version, cache, ts, lzstring, fetcher, storer) {
@@ -247,12 +219,9 @@ var fetchlike = fetcher || fetch;
   var prefix = "https://typescript.azureedge.net/cdn/" + version + "/typescript/lib/";
-
   function zip(str) {
     return lzstring ? lzstring.compressToUTF16(str) : str;
   }
-
   function unzip(str) {
     return lzstring ? lzstring.decompressFromUTF16(str) : str;
-  } // Map the known libs to a node fetch promise, then return the contents
-
-
+  }
+  // Map the known libs to a node fetch promise, then return the contents
   function uncached() {
@@ -267,7 +236,7 @@ return Promise.all(files.map(function (lib) {
       });
-    }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+    })
+    // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
     ["catch"](function () {});
-  } // A localstorage and lzzip aware version of the lib files
-
-
+  }
+  // A localstorage and lzzip aware version of the lib files
   function cached() {
@@ -285,3 +254,2 @@ var storelike = storer || localStorage;
       var content = storelike.getItem(cacheKey);
-
       if (!content) {
@@ -294,3 +262,4 @@ // Make the API call and store the text concent in the cache
           return t;
-        }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+        })
+        // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
         ["catch"](function () {});
@@ -309,3 +278,2 @@ } else {
   }
-
   var func = cache ? cached : uncached;
@@ -316,7 +284,5 @@ return func().then(function () {
 };
-
 function notImplemented(methodName) {
   throw new Error("Method '" + methodName + "' is not implemented.");
 }
-
 function audit(name, fn) {
@@ -327,3 +293,2 @@ return function () {
     }
-
     var res = fn.apply(void 0, args);
@@ -337,4 +302,2 @@ var smallres = typeof res === "string" ? res.slice(0, 80) + "..." : res;
 /** The default compiler options if TypeScript could ever change the compiler options */
-
-
 var defaultCompilerOptions = function defaultCompilerOptions(ts) {
@@ -351,5 +314,4 @@ return _extends({}, ts.getDefaultCompilerOptions(), {
   });
-}; // "/DOM.d.ts" => "/lib.dom.d.ts"
-
-
+};
+// "/DOM.d.ts" => "/lib.dom.d.ts"
 var libize = function libize(path) {
@@ -362,4 +324,2 @@ return path.replace("/", "/lib.").toLowerCase();
  */
-
-
 function createSystem(files) {
@@ -416,3 +376,2 @@ return {
  */
-
 function createFSBackedSystem(files, _projectRoot, ts, tsLibDirectory) {
@@ -422,4 +381,4 @@ // We need to make an isolated folder for the tsconfig, but also need to be able to resolve the
   var root = _projectRoot + "/vfs";
-  var path = requirePath(); // The default System in TypeScript
-
+  var path = requirePath();
+  // The default System in TypeScript
   var nodeSys = ts.sys;
@@ -443,6 +402,5 @@ var tsLib = tsLibDirectory != null ? tsLibDirectory : path.dirname(require.resolve("typescript"));
     fileExists: audit("fileExists", function (fileName) {
-      if (files.has(fileName)) return true; // Don't let other tsconfigs end up touching the vfs
-
+      if (files.has(fileName)) return true;
+      // Don't let other tsconfigs end up touching the vfs
       if (fileName.includes("tsconfig.json") || fileName.includes("tsconfig.json")) return false;
-
       if (fileName.startsWith("/lib")) {
@@ -452,3 +410,2 @@ var tsLibName = tsLib + "/" + fileName.replace("/", "");
       }
-
       return nodeSys.fileExists(fileName);
@@ -472,7 +429,5 @@ }),
       if (files.has(fileName)) return files.get(fileName);
-
       if (fileName.startsWith("/lib")) {
         var tsLibName = tsLib + "/" + fileName.replace("/", "");
         var result = nodeSys.readFile(tsLibName);
-
         if (!result) {
@@ -482,6 +437,4 @@ var libs = nodeSys.readDirectory(tsLib);
         }
-
         return result;
       }
-
       return nodeSys.readFile(fileName);
@@ -508,6 +461,4 @@ }),
  */
-
 function createVirtualCompilerHost(sys, compilerOptions, ts) {
   var sourceFiles = new Map();
-
   var save = function save(sourceFile) {
@@ -517,3 +468,2 @@ sourceFiles.set(sourceFile.fileName, sourceFile);
   };
-
   var vHost = {
@@ -527,2 +477,3 @@ compilerHost: _extends({}, sys, {
       },
+      // '/lib.d.ts',
       // getDefaultLibLocation: () => '/',
@@ -554,13 +505,9 @@ getDirectories: function getDirectories() {
  */
-
 function createVirtualLanguageServiceHost(sys, rootFiles, compilerOptions, ts, customTransformers) {
   var fileNames = [].concat(rootFiles);
-
   var _createVirtualCompile = createVirtualCompilerHost(sys, compilerOptions, ts),
-      compilerHost = _createVirtualCompile.compilerHost,
-      _updateFile2 = _createVirtualCompile.updateFile;
-
+    compilerHost = _createVirtualCompile.compilerHost,
+    _updateFile2 = _createVirtualCompile.updateFile;
   var fileVersions = new Map();
   var projectVersion = 0;
-
   var languageServiceHost = _extends({}, compilerHost, {
@@ -589,7 +536,5 @@ getProjectVersion: function getProjectVersion() {
       var contents = sys.readFile(fileName);
-
-      if (contents) {
+      if (contents && typeof contents === "string") {
         return ts.ScriptSnapshot.fromString(contents);
       }
-
       return;
@@ -602,3 +547,2 @@ },
   });
-
   var lsHost = {
@@ -609,7 +553,5 @@ languageServiceHost: languageServiceHost,
       fileVersions.set(sourceFile.fileName, projectVersion.toString());
-
       if (!fileNames.includes(sourceFile.fileName)) {
         fileNames.push(sourceFile.fileName);
       }
-
       _updateFile2(sourceFile);
@@ -620,7 +562,5 @@ }
 }
-
 var requirePath = function requirePath() {
   return require(String.fromCharCode(112, 97, 116, 104));
 };
-
 var requireFS = function requireFS() {
@@ -627,0 +567,0 @@ return require(String.fromCharCode(102, 115));

dist/vfs.cjs.production.min.js

@@ -1,2 +0,2 @@
-"use strict";function e(){return(e=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e}).apply(this,arguments)}Object.defineProperty(exports,"__esModule",{value:!0});var t=!1;try{t="undefined"!=typeof localStorage}catch(e){}var r="undefined"!=typeof process,i=t&&localStorage.getItem("DEBUG")||r&&process.env.DEBUG?console.log:function(e){return""},n=function(e,t){var r,i=e.lib||[],n=["lib.d.ts","lib.decorators.d.ts","lib.decorators.legacy.d.ts","lib.dom.d.ts","lib.dom.iterable.d.ts","lib.webworker.d.ts","lib.webworker.importscripts.d.ts","lib.webworker.iterable.d.ts","lib.scripthost.d.ts","lib.es5.d.ts","lib.es6.d.ts","lib.es2015.collection.d.ts","lib.es2015.core.d.ts","lib.es2015.d.ts","lib.es2015.generator.d.ts","lib.es2015.iterable.d.ts","lib.es2015.promise.d.ts","lib.es2015.proxy.d.ts","lib.es2015.reflect.d.ts","lib.es2015.symbol.d.ts","lib.es2015.symbol.wellknown.d.ts","lib.es2016.array.include.d.ts","lib.es2016.d.ts","lib.es2016.full.d.ts","lib.es2017.d.ts","lib.es2017.date.d.ts","lib.es2017.full.d.ts","lib.es2017.intl.d.ts","lib.es2017.object.d.ts","lib.es2017.sharedmemory.d.ts","lib.es2017.string.d.ts","lib.es2017.typedarrays.d.ts","lib.es2018.asyncgenerator.d.ts","lib.es2018.asynciterable.d.ts","lib.es2018.d.ts","lib.es2018.full.d.ts","lib.es2018.intl.d.ts","lib.es2018.promise.d.ts","lib.es2018.regexp.d.ts","lib.es2019.array.d.ts","lib.es2019.d.ts","lib.es2019.full.d.ts","lib.es2019.intl.d.ts","lib.es2019.object.d.ts","lib.es2019.string.d.ts","lib.es2019.symbol.d.ts","lib.es2020.bigint.d.ts","lib.es2020.d.ts","lib.es2020.date.d.ts","lib.es2020.full.d.ts","lib.es2020.intl.d.ts","lib.es2020.number.d.ts","lib.es2020.promise.d.ts","lib.es2020.sharedmemory.d.ts","lib.es2020.string.d.ts","lib.es2020.symbol.wellknown.d.ts","lib.es2021.d.ts","lib.es2021.full.d.ts","lib.es2021.intl.d.ts","lib.es2021.promise.d.ts","lib.es2021.string.d.ts","lib.es2021.weakref.d.ts","lib.es2022.array.d.ts","lib.es2022.d.ts","lib.es2022.error.d.ts","lib.es2022.full.d.ts","lib.es2022.intl.d.ts","lib.es2022.object.d.ts","lib.es2022.regexp.d.ts","lib.es2022.sharedmemory.d.ts","lib.es2022.string.d.ts","lib.es2023.array.d.ts","lib.es2023.collection.d.ts","lib.es2023.d.ts","lib.es2023.full.d.ts","lib.esnext.array.d.ts","lib.esnext.asynciterable.d.ts","lib.esnext.bigint.d.ts","lib.esnext.d.ts","lib.esnext.decorators.d.ts","lib.esnext.disposable.d.ts","lib.esnext.full.d.ts","lib.esnext.intl.d.ts","lib.esnext.promise.d.ts","lib.esnext.string.d.ts","lib.esnext.symbol.d.ts","lib.esnext.weakref.d.ts"],s=t.ScriptTarget[e.target||t.ScriptTarget.ES5],o=n.filter((function(e){return e.startsWith("lib."+s.toLowerCase())})),l=n.indexOf(o.pop()),a=((r=i.map((function(e){var t=n.filter((function(t){return t.startsWith("lib."+e.toLowerCase())}));return 0===t.length?0:n.indexOf(t.pop())})))&&r.length?r.reduce((function(e,t){return t>e?t:e})):void 0)||0,u=Math.max(l,a);return n.slice(0,u+1)},s=function(e,t){var r=f(),i=b();(function e(t){var n=[];return i.readdirSync(t).forEach((function(s){s=r.join(t,s);var o=i.statSync(s);o&&o.isDirectory()?n=n.concat(e(s)):n.push(s)})),n})(t).forEach((function(n){var s="/node_modules/@types"+n.replace(t,""),o=i.readFileSync(n,"utf8");[".ts",".tsx"].includes(r.extname(s))&&e.set(s,o)}))};function o(e){throw new Error("Method '"+e+"' is not implemented.")}function l(e,t){return function(){for(var r=arguments.length,n=new Array(r),s=0;s<r;s++)n[s]=arguments[s];var o=t.apply(void 0,n),l="string"==typeof o?o.slice(0,80)+"...":o;return i.apply(void 0,["> "+e].concat(n)),i("< "+l),o}}var a=function(t){return e({},t.getDefaultCompilerOptions(),{jsx:t.JsxEmit.React,strict:!0,esModuleInterop:!0,module:t.ModuleKind.ESNext,suppressOutputPathCheck:!0,skipLibCheck:!0,skipDefaultLibCheck:!0,moduleResolution:t.ModuleResolutionKind.NodeJs})},u=function(e){return e.replace("/","/lib.").toLowerCase()};function c(t,r,i){var n=new Map;return{compilerHost:e({},t,{getCanonicalFileName:function(e){return e},getDefaultLibFileName:function(){return"/"+i.getDefaultLibFileName(r)},getDirectories:function(){return[]},getNewLine:function(){return t.newLine},getSourceFile:function(e){return n.get(e)||(s=i.createSourceFile(e,t.readFile(e),r.target||a(i).target,!1),n.set(s.fileName,s),s);var s},useCaseSensitiveFileNames:function(){return t.useCaseSensitiveFileNames}}),updateFile:function(e){var r=n.has(e.fileName);return t.writeFile(e.fileName,e.text),n.set(e.fileName,e),r}}}function d(t,r,i,n,s){var o=[].concat(r),l=c(t,i,n),a=l.compilerHost,u=l.updateFile,d=new Map,f=0;return{languageServiceHost:e({},a,{getProjectVersion:function(){return f.toString()},getCompilationSettings:function(){return i},getCustomTransformers:function(){return s},getScriptFileNames:function(){return o.slice()},getScriptSnapshot:function(e){var r=t.readFile(e);if(r)return n.ScriptSnapshot.fromString(r)},getScriptVersion:function(e){return d.get(e)||"0"},writeFile:t.writeFile}),updateFile:function(e){f++,d.set(e.fileName,f.toString()),o.includes(e.fileName)||o.push(e.fileName),u(e)}}}var f=function(){return require(String.fromCharCode(112,97,116,104))},b=function(){return require(String.fromCharCode(102,115))};exports.addAllFilesFromFolder=s,exports.addFilesForTypesIntoFolder=function(e){return s(e,"node_modules/@types")},exports.createDefaultMapFromCDN=function(e,t,r,i,s,o,l){var a=o||fetch,u=new Map,c=n(e,i),d="https://typescript.azureedge.net/cdn/"+t+"/typescript/lib/";return(r?function(){var e=l||localStorage;return Object.keys(e).forEach((function(r){r.startsWith("ts-lib-")&&!r.startsWith("ts-lib-"+t)&&e.removeItem(r)})),Promise.all(c.map((function(r){var i,n="ts-lib-"+t+"-"+r,o=e.getItem(n);return o?Promise.resolve((i=o,s?s.decompressFromUTF16(i):i)):a(d+r).then((function(e){return e.text()})).then((function(t){var r;return e.setItem(n,(r=t,s?s.compressToUTF16(r):r)),t})).catch((function(){}))}))).then((function(e){e.forEach((function(e,t){e&&u.set("/"+c[t],e)}))}))}:function(){return Promise.all(c.map((function(e){return a(d+e).then((function(e){return e.text()}))}))).then((function(e){e.forEach((function(e,t){return u.set("/"+c[t],e)}))})).catch((function(){}))})().then((function(){return u}))},exports.createDefaultMapFromNodeModules=function(e,t,r){var i=f(),n=b(),s=n.readdirSync(r||i.dirname(require.resolve("typescript"))).filter((function(e){return e.startsWith("lib.")&&e.endsWith(".d.ts")})),o=new Map;return s.forEach((function(e){o.set("/"+e,function(e){var t=r||i.dirname(require.resolve("typescript"));return n.readFileSync(i.join(t,e),"utf8")}(e))})),o},exports.createFSBackedSystem=function(e,t,r,i){var n=t+"/vfs",s=f(),a=r.sys,u=null!=i?i:s.dirname(require.resolve("typescript"));return{name:"fs-vfs",root:n,args:[],createDirectory:function(){return o("createDirectory")},directoryExists:l("directoryExists",(function(t){return Array.from(e.keys()).some((function(e){return e.startsWith(t)}))||a.directoryExists(t)})),exit:a.exit,fileExists:l("fileExists",(function(t){if(e.has(t))return!0;if(t.includes("tsconfig.json")||t.includes("tsconfig.json"))return!1;if(t.startsWith("/lib")){var r=u+"/"+t.replace("/","");return a.fileExists(r)}return a.fileExists(t)})),getCurrentDirectory:function(){return n},getDirectories:a.getDirectories,getExecutingFilePath:function(){return o("getExecutingFilePath")},readDirectory:l("readDirectory",(function(){return"/"===(arguments.length<=0?void 0:arguments[0])?Array.from(e.keys()):a.readDirectory.apply(a,arguments)})),readFile:l("readFile",(function(t){if(e.has(t))return e.get(t);if(t.startsWith("/lib")){var r=u+"/"+t.replace("/",""),i=a.readFile(r);if(!i){var n=a.readDirectory(u);throw new Error("TSVFS: A request was made for "+r+" but there wasn't a file found in the file map. You likely have a mismatch in the compiler options for the CDN download vs the compiler program. Existing Libs: "+n+".")}return i}return a.readFile(t)})),resolvePath:function(t){return e.has(t)?t:a.resolvePath(t)},newLine:"\n",useCaseSensitiveFileNames:!0,write:function(){return o("write")},writeFile:function(t,r){e.set(t,r)}}},exports.createSystem=function(e){return{args:[],createDirectory:function(){return o("createDirectory")},directoryExists:l("directoryExists",(function(t){return Array.from(e.keys()).some((function(e){return e.startsWith(t)}))})),exit:function(){return o("exit")},fileExists:l("fileExists",(function(t){return e.has(t)||e.has(u(t))})),getCurrentDirectory:function(){return"/"},getDirectories:function(){return[]},getExecutingFilePath:function(){return o("getExecutingFilePath")},readDirectory:l("readDirectory",(function(t){return"/"===t?Array.from(e.keys()):[]})),readFile:l("readFile",(function(t){return e.get(t)||e.get(u(t))})),resolvePath:function(e){return e},newLine:"\n",useCaseSensitiveFileNames:!0,write:function(){return o("write")},writeFile:function(t,r){e.set(t,r)}}},exports.createVirtualCompilerHost=c,exports.createVirtualLanguageServiceHost=d,exports.createVirtualTypeScriptEnvironment=function(t,r,i,n,s){void 0===n&&(n={});var o=e({},a(i),n),l=d(t,r,o,i,s),u=l.updateFile,f=i.createLanguageService(l.languageServiceHost),b=f.getCompilerOptionsDiagnostics();if(b.length){var p=c(t,n,i);throw new Error(i.formatDiagnostics(b,p.compilerHost))}return{name:"vfs",sys:t,languageService:f,getSourceFile:function(e){var t;return null==(t=f.getProgram())?void 0:t.getSourceFile(e)},createFile:function(e,t){u(i.createSourceFile(e,t,o.target,!1))},updateFile:function(e,t,r){var n=f.getProgram().getSourceFile(e);if(!n)throw new Error("Did not find a source file for "+e);var s=n.text,o=null!=r?r:i.createTextSpan(0,s.length),l=s.slice(0,o.start)+t+s.slice(o.start+o.length),a=i.updateSourceFile(n,l,{span:o,newLength:t.length});u(a)}}},exports.knownLibFilesForCompilerOptions=n;
+"use strict";function e(){return e=Object.assign?Object.assign.bind():function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e},e.apply(this,arguments)}Object.defineProperty(exports,"__esModule",{value:!0});var t=!1;try{t="undefined"!=typeof localStorage}catch(e){}var r="undefined"!=typeof process,i=t&&localStorage.getItem("DEBUG")||r&&process.env.DEBUG?console.log:function(e){return""},n=function(e,t){var r,i=e.lib||[],n=["lib.d.ts","lib.decorators.d.ts","lib.decorators.legacy.d.ts","lib.dom.d.ts","lib.dom.iterable.d.ts","lib.webworker.d.ts","lib.webworker.importscripts.d.ts","lib.webworker.iterable.d.ts","lib.scripthost.d.ts","lib.es5.d.ts","lib.es6.d.ts","lib.es2015.collection.d.ts","lib.es2015.core.d.ts","lib.es2015.d.ts","lib.es2015.generator.d.ts","lib.es2015.iterable.d.ts","lib.es2015.promise.d.ts","lib.es2015.proxy.d.ts","lib.es2015.reflect.d.ts","lib.es2015.symbol.d.ts","lib.es2015.symbol.wellknown.d.ts","lib.es2016.array.include.d.ts","lib.es2016.d.ts","lib.es2016.full.d.ts","lib.es2017.d.ts","lib.es2017.date.d.ts","lib.es2017.full.d.ts","lib.es2017.intl.d.ts","lib.es2017.object.d.ts","lib.es2017.sharedmemory.d.ts","lib.es2017.string.d.ts","lib.es2017.typedarrays.d.ts","lib.es2018.asyncgenerator.d.ts","lib.es2018.asynciterable.d.ts","lib.es2018.d.ts","lib.es2018.full.d.ts","lib.es2018.intl.d.ts","lib.es2018.promise.d.ts","lib.es2018.regexp.d.ts","lib.es2019.array.d.ts","lib.es2019.d.ts","lib.es2019.full.d.ts","lib.es2019.intl.d.ts","lib.es2019.object.d.ts","lib.es2019.string.d.ts","lib.es2019.symbol.d.ts","lib.es2020.bigint.d.ts","lib.es2020.d.ts","lib.es2020.date.d.ts","lib.es2020.full.d.ts","lib.es2020.intl.d.ts","lib.es2020.number.d.ts","lib.es2020.promise.d.ts","lib.es2020.sharedmemory.d.ts","lib.es2020.string.d.ts","lib.es2020.symbol.wellknown.d.ts","lib.es2021.d.ts","lib.es2021.full.d.ts","lib.es2021.intl.d.ts","lib.es2021.promise.d.ts","lib.es2021.string.d.ts","lib.es2021.weakref.d.ts","lib.es2022.array.d.ts","lib.es2022.d.ts","lib.es2022.error.d.ts","lib.es2022.full.d.ts","lib.es2022.intl.d.ts","lib.es2022.object.d.ts","lib.es2022.regexp.d.ts","lib.es2022.sharedmemory.d.ts","lib.es2022.string.d.ts","lib.es2023.array.d.ts","lib.es2023.collection.d.ts","lib.es2023.d.ts","lib.es2023.full.d.ts","lib.esnext.array.d.ts","lib.esnext.asynciterable.d.ts","lib.esnext.bigint.d.ts","lib.esnext.d.ts","lib.esnext.decorators.d.ts","lib.esnext.disposable.d.ts","lib.esnext.full.d.ts","lib.esnext.intl.d.ts","lib.esnext.promise.d.ts","lib.esnext.string.d.ts","lib.esnext.symbol.d.ts","lib.esnext.weakref.d.ts"],s=t.ScriptTarget[e.target||t.ScriptTarget.ES5],o=n.filter((function(e){return e.startsWith("lib."+s.toLowerCase())})),l=n.indexOf(o.pop()),a=i.map((function(e){var t=n.filter((function(t){return t.startsWith("lib."+e.toLowerCase())}));return 0===t.length?0:n.indexOf(t.pop())})),u=((r=a)&&r.length?r.reduce((function(e,t){return t>e?t:e})):void 0)||0,c=Math.max(l,u);return n.slice(0,c+1)},s=function(e,t){var r=f(),i=b();(function e(t){var n=[];return i.readdirSync(t).forEach((function(s){s=r.join(t,s);var o=i.statSync(s);o&&o.isDirectory()?n=n.concat(e(s)):n.push(s)})),n})(t).forEach((function(n){var s="/node_modules/@types"+n.replace(t,""),o=i.readFileSync(n,"utf8");[".ts",".tsx"].includes(r.extname(s))&&e.set(s,o)}))};function o(e){throw new Error("Method '"+e+"' is not implemented.")}function l(e,t){return function(){for(var r=arguments.length,n=new Array(r),s=0;s<r;s++)n[s]=arguments[s];var o=t.apply(void 0,n),l="string"==typeof o?o.slice(0,80)+"...":o;return i.apply(void 0,["> "+e].concat(n)),i("< "+l),o}}var a=function(t){return e({},t.getDefaultCompilerOptions(),{jsx:t.JsxEmit.React,strict:!0,esModuleInterop:!0,module:t.ModuleKind.ESNext,suppressOutputPathCheck:!0,skipLibCheck:!0,skipDefaultLibCheck:!0,moduleResolution:t.ModuleResolutionKind.NodeJs})},u=function(e){return e.replace("/","/lib.").toLowerCase()};function c(t,r,i){var n=new Map;return{compilerHost:e({},t,{getCanonicalFileName:function(e){return e},getDefaultLibFileName:function(){return"/"+i.getDefaultLibFileName(r)},getDirectories:function(){return[]},getNewLine:function(){return t.newLine},getSourceFile:function(e){return n.get(e)||(s=i.createSourceFile(e,t.readFile(e),r.target||a(i).target,!1),n.set(s.fileName,s),s);var s},useCaseSensitiveFileNames:function(){return t.useCaseSensitiveFileNames}}),updateFile:function(e){var r=n.has(e.fileName);return t.writeFile(e.fileName,e.text),n.set(e.fileName,e),r}}}function d(t,r,i,n,s){var o=[].concat(r),l=c(t,i,n),a=l.compilerHost,u=l.updateFile,d=new Map,f=0;return{languageServiceHost:e({},a,{getProjectVersion:function(){return f.toString()},getCompilationSettings:function(){return i},getCustomTransformers:function(){return s},getScriptFileNames:function(){return o.slice()},getScriptSnapshot:function(e){var r=t.readFile(e);if(r&&"string"==typeof r)return n.ScriptSnapshot.fromString(r)},getScriptVersion:function(e){return d.get(e)||"0"},writeFile:t.writeFile}),updateFile:function(e){f++,d.set(e.fileName,f.toString()),o.includes(e.fileName)||o.push(e.fileName),u(e)}}}var f=function(){return require(String.fromCharCode(112,97,116,104))},b=function(){return require(String.fromCharCode(102,115))};exports.addAllFilesFromFolder=s,exports.addFilesForTypesIntoFolder=function(e){return s(e,"node_modules/@types")},exports.createDefaultMapFromCDN=function(e,t,r,i,s,o,l){var a=o||fetch,u=new Map,c=n(e,i),d="https://typescript.azureedge.net/cdn/"+t+"/typescript/lib/";return(r?function(){var e=l||localStorage;return Object.keys(e).forEach((function(r){r.startsWith("ts-lib-")&&!r.startsWith("ts-lib-"+t)&&e.removeItem(r)})),Promise.all(c.map((function(r){var i,n="ts-lib-"+t+"-"+r,o=e.getItem(n);return o?Promise.resolve((i=o,s?s.decompressFromUTF16(i):i)):a(d+r).then((function(e){return e.text()})).then((function(t){var r;return e.setItem(n,(r=t,s?s.compressToUTF16(r):r)),t})).catch((function(){}))}))).then((function(e){e.forEach((function(e,t){e&&u.set("/"+c[t],e)}))}))}:function(){return Promise.all(c.map((function(e){return a(d+e).then((function(e){return e.text()}))}))).then((function(e){e.forEach((function(e,t){return u.set("/"+c[t],e)}))})).catch((function(){}))})().then((function(){return u}))},exports.createDefaultMapFromNodeModules=function(e,t,r){var i=f(),n=b(),s=n.readdirSync(r||i.dirname(require.resolve("typescript"))).filter((function(e){return e.startsWith("lib.")&&e.endsWith(".d.ts")})),o=new Map;return s.forEach((function(e){o.set("/"+e,function(e){var t=r||i.dirname(require.resolve("typescript"));return n.readFileSync(i.join(t,e),"utf8")}(e))})),o},exports.createFSBackedSystem=function(e,t,r,i){var n=t+"/vfs",s=f(),a=r.sys,u=null!=i?i:s.dirname(require.resolve("typescript"));return{name:"fs-vfs",root:n,args:[],createDirectory:function(){return o("createDirectory")},directoryExists:l("directoryExists",(function(t){return Array.from(e.keys()).some((function(e){return e.startsWith(t)}))||a.directoryExists(t)})),exit:a.exit,fileExists:l("fileExists",(function(t){if(e.has(t))return!0;if(t.includes("tsconfig.json")||t.includes("tsconfig.json"))return!1;if(t.startsWith("/lib")){var r=u+"/"+t.replace("/","");return a.fileExists(r)}return a.fileExists(t)})),getCurrentDirectory:function(){return n},getDirectories:a.getDirectories,getExecutingFilePath:function(){return o("getExecutingFilePath")},readDirectory:l("readDirectory",(function(){return"/"===(arguments.length<=0?void 0:arguments[0])?Array.from(e.keys()):a.readDirectory.apply(a,arguments)})),readFile:l("readFile",(function(t){if(e.has(t))return e.get(t);if(t.startsWith("/lib")){var r=u+"/"+t.replace("/",""),i=a.readFile(r);if(!i){var n=a.readDirectory(u);throw new Error("TSVFS: A request was made for "+r+" but there wasn't a file found in the file map. You likely have a mismatch in the compiler options for the CDN download vs the compiler program. Existing Libs: "+n+".")}return i}return a.readFile(t)})),resolvePath:function(t){return e.has(t)?t:a.resolvePath(t)},newLine:"\n",useCaseSensitiveFileNames:!0,write:function(){return o("write")},writeFile:function(t,r){e.set(t,r)}}},exports.createSystem=function(e){return{args:[],createDirectory:function(){return o("createDirectory")},directoryExists:l("directoryExists",(function(t){return Array.from(e.keys()).some((function(e){return e.startsWith(t)}))})),exit:function(){return o("exit")},fileExists:l("fileExists",(function(t){return e.has(t)||e.has(u(t))})),getCurrentDirectory:function(){return"/"},getDirectories:function(){return[]},getExecutingFilePath:function(){return o("getExecutingFilePath")},readDirectory:l("readDirectory",(function(t){return"/"===t?Array.from(e.keys()):[]})),readFile:l("readFile",(function(t){return e.get(t)||e.get(u(t))})),resolvePath:function(e){return e},newLine:"\n",useCaseSensitiveFileNames:!0,write:function(){return o("write")},writeFile:function(t,r){e.set(t,r)}}},exports.createVirtualCompilerHost=c,exports.createVirtualLanguageServiceHost=d,exports.createVirtualTypeScriptEnvironment=function(t,r,i,n,s){void 0===n&&(n={});var o=e({},a(i),n),l=d(t,r,o,i,s),u=l.updateFile,f=i.createLanguageService(l.languageServiceHost),b=f.getCompilerOptionsDiagnostics();if(b.length){var p=c(t,n,i);throw new Error(i.formatDiagnostics(b,p.compilerHost))}return{name:"vfs",sys:t,languageService:f,getSourceFile:function(e){var t;return null==(t=f.getProgram())?void 0:t.getSourceFile(e)},createFile:function(e,t){u(i.createSourceFile(e,t,o.target,!1))},updateFile:function(e,t,r){var n=f.getProgram().getSourceFile(e);if(!n)throw new Error("Did not find a source file for "+e);var s=n.text,o=null!=r?r:i.createTextSpan(0,s.length),l=s.slice(0,o.start)+t+s.slice(o.start+o.length),a=i.updateSourceFile(n,l,{span:o,newLength:t.length});u(a)}}},exports.knownLibFilesForCompilerOptions=n;
 //# sourceMappingURL=vfs.cjs.production.min.js.map

dist/vfs.esm.js

 function _extends() {
-  _extends = Object.assign || function (target) {
+  _extends = Object.assign ? Object.assign.bind() : function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
@@ -12,6 +11,4 @@ if (Object.prototype.hasOwnProperty.call(source, key)) {
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
@@ -21,7 +18,5 @@ }
 var hasLocalStorage = false;
-
 try {
   hasLocalStorage = typeof localStorage !== "undefined";
 } catch (error) {}
-
 var hasProcess = typeof process !== "undefined";
@@ -42,3 +37,2 @@ var shouldDebug = hasLocalStorage && /*#__PURE__*/localStorage.getItem("DEBUG") || hasProcess && process.env.DEBUG;
  */
-
 function createVirtualTypeScriptEnvironment(sys, rootFiles, ts, compilerOptions, customTransformers) {
@@ -48,12 +42,8 @@ if (compilerOptions === void 0) {
   }
-
   var mergedCompilerOpts = _extends({}, defaultCompilerOptions(ts), compilerOptions);
-
   var _createVirtualLanguag = createVirtualLanguageServiceHost(sys, rootFiles, mergedCompilerOpts, ts, customTransformers),
-      languageServiceHost = _createVirtualLanguag.languageServiceHost,
-      _updateFile = _createVirtualLanguag.updateFile;
-
+    languageServiceHost = _createVirtualLanguag.languageServiceHost,
+    _updateFile = _createVirtualLanguag.updateFile;
   var languageService = ts.createLanguageService(languageServiceHost);
   var diagnostics = languageService.getCompilerOptionsDiagnostics();
-
   if (diagnostics.length) {
@@ -63,3 +53,2 @@ var compilerHost = createVirtualCompilerHost(sys, compilerOptions, ts);
   }
-
   return {
@@ -72,3 +61,2 @@ // @ts-ignore
       var _languageService$getP;
-
       return (_languageService$getP = languageService.getProgram()) == null ? void 0 : _languageService$getP.getSourceFile(fileName);
@@ -81,9 +69,7 @@ },
       var prevSourceFile = languageService.getProgram().getSourceFile(fileName);
-
       if (!prevSourceFile) {
         throw new Error("Did not find a source file for " + fileName);
       }
-
-      var prevFullContents = prevSourceFile.text; // TODO: Validate if the default text span has a fencepost error?
-
+      var prevFullContents = prevSourceFile.text;
+      // TODO: Validate if the default text span has a fencepost error?
       var prevTextSpan = optPrevTextSpan != null ? optPrevTextSpan : ts.createTextSpan(0, prevFullContents.length);
@@ -95,9 +81,8 @@ var newText = prevFullContents.slice(0, prevTextSpan.start) + content + prevFullContents.slice(prevTextSpan.start + prevTextSpan.length);
       });
-
       _updateFile(newSourceFile);
     }
   };
-} // TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
+}
+// TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
 // and then using that to generate the list of files from the server, but it is not included in the npm package
-
 /**
@@ -111,9 +96,8 @@ * Grab the list of lib files for a particular target, will return a bit more than necessary (by including
  */
-
 var knownLibFilesForCompilerOptions = function knownLibFilesForCompilerOptions(compilerOptions, ts) {
   var target = compilerOptions.target || ts.ScriptTarget.ES5;
-  var lib = compilerOptions.lib || []; // Note that this will include files which can't be found for particular versions of TS
+  var lib = compilerOptions.lib || [];
+  // Note that this will include files which can't be found for particular versions of TS
   // TODO: Replace this with some sort of API call if https://github.com/microsoft/TypeScript/pull/54011
   // or similar is merged.
-
   var files = ["lib.d.ts", "lib.decorators.d.ts", "lib.decorators.legacy.d.ts", "lib.dom.d.ts", "lib.dom.iterable.d.ts", "lib.webworker.d.ts", "lib.webworker.importscripts.d.ts", "lib.webworker.iterable.d.ts", "lib.scripthost.d.ts", "lib.es5.d.ts", "lib.es6.d.ts", "lib.es2015.collection.d.ts", "lib.es2015.core.d.ts", "lib.es2015.d.ts", "lib.es2015.generator.d.ts", "lib.es2015.iterable.d.ts", "lib.es2015.promise.d.ts", "lib.es2015.proxy.d.ts", "lib.es2015.reflect.d.ts", "lib.es2015.symbol.d.ts", "lib.es2015.symbol.wellknown.d.ts", "lib.es2016.array.include.d.ts", "lib.es2016.d.ts", "lib.es2016.full.d.ts", "lib.es2017.d.ts", "lib.es2017.date.d.ts", "lib.es2017.full.d.ts", "lib.es2017.intl.d.ts", "lib.es2017.object.d.ts", "lib.es2017.sharedmemory.d.ts", "lib.es2017.string.d.ts", "lib.es2017.typedarrays.d.ts", "lib.es2018.asyncgenerator.d.ts", "lib.es2018.asynciterable.d.ts", "lib.es2018.d.ts", "lib.es2018.full.d.ts", "lib.es2018.intl.d.ts", "lib.es2018.promise.d.ts", "lib.es2018.regexp.d.ts", "lib.es2019.array.d.ts", "lib.es2019.d.ts", "lib.es2019.full.d.ts", "lib.es2019.intl.d.ts", "lib.es2019.object.d.ts", "lib.es2019.string.d.ts", "lib.es2019.symbol.d.ts", "lib.es2020.bigint.d.ts", "lib.es2020.d.ts", "lib.es2020.date.d.ts", "lib.es2020.full.d.ts", "lib.es2020.intl.d.ts", "lib.es2020.number.d.ts", "lib.es2020.promise.d.ts", "lib.es2020.sharedmemory.d.ts", "lib.es2020.string.d.ts", "lib.es2020.symbol.wellknown.d.ts", "lib.es2021.d.ts", "lib.es2021.full.d.ts", "lib.es2021.intl.d.ts", "lib.es2021.promise.d.ts", "lib.es2021.string.d.ts", "lib.es2021.weakref.d.ts", "lib.es2022.array.d.ts", "lib.es2022.d.ts", "lib.es2022.error.d.ts", "lib.es2022.full.d.ts", "lib.es2022.intl.d.ts", "lib.es2022.object.d.ts", "lib.es2022.regexp.d.ts", "lib.es2022.sharedmemory.d.ts", "lib.es2022.string.d.ts", "lib.es2023.array.d.ts", "lib.es2023.collection.d.ts", "lib.es2023.d.ts", "lib.es2023.full.d.ts", "lib.esnext.array.d.ts", "lib.esnext.asynciterable.d.ts", "lib.esnext.bigint.d.ts", "lib.esnext.d.ts", "lib.esnext.decorators.d.ts", "lib.esnext.disposable.d.ts", "lib.esnext.full.d.ts", "lib.esnext.intl.d.ts", "lib.esnext.promise.d.ts", "lib.esnext.string.d.ts", "lib.esnext.symbol.d.ts", "lib.esnext.weakref.d.ts"];
@@ -125,3 +109,2 @@ var targetToCut = ts.ScriptTarget[target];
   var targetCutIndex = files.indexOf(matches.pop());
-
   var getMax = function getMax(array) {
@@ -131,5 +114,4 @@ return array && array.length ? array.reduce(function (max, current) {
     }) : undefined;
-  }; // Find the index for everything in
-
-
+  };
+  // Find the index for everything in
   var indexesForCutting = lib.map(function (lib) {
@@ -154,7 +136,5 @@ var matches = files.filter(function (f) {
  */
-
 var createDefaultMapFromNodeModules = function createDefaultMapFromNodeModules(_compilerOptions, _ts, tsLibDirectory) {
   var path = requirePath();
   var fs = requireFS();
-
   var getLib = function getLib(name) {
@@ -164,3 +144,2 @@ var lib = tsLibDirectory || path.dirname(require.resolve("typescript"));
   };
-
   var libFiles = fs.readdirSync(tsLibDirectory || path.dirname(require.resolve("typescript")));
@@ -179,7 +158,5 @@ var knownLibFiles = libFiles.filter(function (f) {
  */
-
 var addAllFilesFromFolder = function addAllFilesFromFolder(map, workingDir) {
   var path = requirePath();
   var fs = requireFS();
-
   var walk = function walk(dir) {
@@ -191,3 +168,2 @@ var results = [];
       var stat = fs.statSync(file);
-
       if (stat && stat.isDirectory()) {
@@ -203,3 +179,2 @@ /* Recurse into a subdirectory */
   };
-
   var allFiles = walk(workingDir);
@@ -210,3 +185,2 @@ allFiles.forEach(function (lib) {
     var validExtensions = [".ts", ".tsx"];
-
     if (validExtensions.includes(path.extname(fsPath))) {
@@ -218,3 +192,2 @@ map.set(fsPath, content);
 /** Adds all files from node_modules/@types into the FS Map */
-
 var addFilesForTypesIntoFolder = function addFilesForTypesIntoFolder(map) {
@@ -235,3 +208,2 @@ return addAllFilesFromFolder(map, "node_modules/@types");
  */
-
 var createDefaultMapFromCDN = function createDefaultMapFromCDN(options, version, cache, ts, lzstring, fetcher, storer) {
@@ -242,12 +214,9 @@ var fetchlike = fetcher || fetch;
   var prefix = "https://typescript.azureedge.net/cdn/" + version + "/typescript/lib/";
-
   function zip(str) {
     return lzstring ? lzstring.compressToUTF16(str) : str;
   }
-
   function unzip(str) {
     return lzstring ? lzstring.decompressFromUTF16(str) : str;
-  } // Map the known libs to a node fetch promise, then return the contents
-
-
+  }
+  // Map the known libs to a node fetch promise, then return the contents
   function uncached() {
@@ -262,7 +231,7 @@ return Promise.all(files.map(function (lib) {
       });
-    }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+    })
+    // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
     ["catch"](function () {});
-  } // A localstorage and lzzip aware version of the lib files
-
-
+  }
+  // A localstorage and lzzip aware version of the lib files
   function cached() {
@@ -280,3 +249,2 @@ var storelike = storer || localStorage;
       var content = storelike.getItem(cacheKey);
-
       if (!content) {
@@ -289,3 +257,4 @@ // Make the API call and store the text concent in the cache
           return t;
-        }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+        })
+        // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
         ["catch"](function () {});
@@ -304,3 +273,2 @@ } else {
   }
-
   var func = cache ? cached : uncached;
@@ -311,7 +279,5 @@ return func().then(function () {
 };
-
 function notImplemented(methodName) {
   throw new Error("Method '" + methodName + "' is not implemented.");
 }
-
 function audit(name, fn) {
@@ -322,3 +288,2 @@ return function () {
     }
-
     var res = fn.apply(void 0, args);
@@ -332,4 +297,2 @@ var smallres = typeof res === "string" ? res.slice(0, 80) + "..." : res;
 /** The default compiler options if TypeScript could ever change the compiler options */
-
-
 var defaultCompilerOptions = function defaultCompilerOptions(ts) {
@@ -346,5 +309,4 @@ return _extends({}, ts.getDefaultCompilerOptions(), {
   });
-}; // "/DOM.d.ts" => "/lib.dom.d.ts"
-
-
+};
+// "/DOM.d.ts" => "/lib.dom.d.ts"
 var libize = function libize(path) {
@@ -357,4 +319,2 @@ return path.replace("/", "/lib.").toLowerCase();
  */
-
-
 function createSystem(files) {
@@ -411,3 +371,2 @@ return {
  */
-
 function createFSBackedSystem(files, _projectRoot, ts, tsLibDirectory) {
@@ -417,4 +376,4 @@ // We need to make an isolated folder for the tsconfig, but also need to be able to resolve the
   var root = _projectRoot + "/vfs";
-  var path = requirePath(); // The default System in TypeScript
-
+  var path = requirePath();
+  // The default System in TypeScript
   var nodeSys = ts.sys;
@@ -438,6 +397,5 @@ var tsLib = tsLibDirectory != null ? tsLibDirectory : path.dirname(require.resolve("typescript"));
     fileExists: audit("fileExists", function (fileName) {
-      if (files.has(fileName)) return true; // Don't let other tsconfigs end up touching the vfs
-
+      if (files.has(fileName)) return true;
+      // Don't let other tsconfigs end up touching the vfs
       if (fileName.includes("tsconfig.json") || fileName.includes("tsconfig.json")) return false;
-
       if (fileName.startsWith("/lib")) {
@@ -447,3 +405,2 @@ var tsLibName = tsLib + "/" + fileName.replace("/", "");
       }
-
       return nodeSys.fileExists(fileName);
@@ -467,7 +424,5 @@ }),
       if (files.has(fileName)) return files.get(fileName);
-
       if (fileName.startsWith("/lib")) {
         var tsLibName = tsLib + "/" + fileName.replace("/", "");
         var result = nodeSys.readFile(tsLibName);
-
         if (!result) {
@@ -477,6 +432,4 @@ var libs = nodeSys.readDirectory(tsLib);
         }
-
         return result;
       }
-
       return nodeSys.readFile(fileName);
@@ -503,6 +456,4 @@ }),
  */
-
 function createVirtualCompilerHost(sys, compilerOptions, ts) {
   var sourceFiles = new Map();
-
   var save = function save(sourceFile) {
@@ -512,3 +463,2 @@ sourceFiles.set(sourceFile.fileName, sourceFile);
   };
-
   var vHost = {
@@ -522,2 +472,3 @@ compilerHost: _extends({}, sys, {
       },
+      // '/lib.d.ts',
       // getDefaultLibLocation: () => '/',
@@ -549,13 +500,9 @@ getDirectories: function getDirectories() {
  */
-
 function createVirtualLanguageServiceHost(sys, rootFiles, compilerOptions, ts, customTransformers) {
   var fileNames = [].concat(rootFiles);
-
   var _createVirtualCompile = createVirtualCompilerHost(sys, compilerOptions, ts),
-      compilerHost = _createVirtualCompile.compilerHost,
-      _updateFile2 = _createVirtualCompile.updateFile;
-
+    compilerHost = _createVirtualCompile.compilerHost,
+    _updateFile2 = _createVirtualCompile.updateFile;
   var fileVersions = new Map();
   var projectVersion = 0;
-
   var languageServiceHost = _extends({}, compilerHost, {
@@ -584,7 +531,5 @@ getProjectVersion: function getProjectVersion() {
       var contents = sys.readFile(fileName);
-
-      if (contents) {
+      if (contents && typeof contents === "string") {
         return ts.ScriptSnapshot.fromString(contents);
       }
-
       return;
@@ -597,3 +542,2 @@ },
   });
-
   var lsHost = {
@@ -604,7 +548,5 @@ languageServiceHost: languageServiceHost,
       fileVersions.set(sourceFile.fileName, projectVersion.toString());
-
       if (!fileNames.includes(sourceFile.fileName)) {
         fileNames.push(sourceFile.fileName);
       }
-
       _updateFile2(sourceFile);
@@ -615,7 +557,5 @@ }
 }
-
 var requirePath = function requirePath() {
   return require(String.fromCharCode(112, 97, 116, 104));
 };
-
 var requireFS = function requireFS() {
@@ -622,0 +562,0 @@ return require(String.fromCharCode(102, 115));

dist/vfs.globals.js

 function _extends() {
-  _extends = Object.assign || function (target) {
+  _extends = Object.assign ? Object.assign.bind() : function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
@@ -12,6 +11,4 @@ if (Object.prototype.hasOwnProperty.call(source, key)) {
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
@@ -21,7 +18,5 @@ }
 var hasLocalStorage = false;
-
 try {
   hasLocalStorage = typeof localStorage !== "undefined";
 } catch (error) {}
-
 var hasProcess = typeof process !== "undefined";
@@ -42,3 +37,2 @@ var shouldDebug = hasLocalStorage && /*#__PURE__*/localStorage.getItem("DEBUG") || hasProcess && process.env.DEBUG;
  */
-
 function createVirtualTypeScriptEnvironment(sys, rootFiles, ts, compilerOptions, customTransformers) {
@@ -48,12 +42,8 @@ if (compilerOptions === void 0) {
   }
-
   var mergedCompilerOpts = _extends({}, defaultCompilerOptions(ts), compilerOptions);
-
   var _createVirtualLanguag = createVirtualLanguageServiceHost(sys, rootFiles, mergedCompilerOpts, ts, customTransformers),
-      languageServiceHost = _createVirtualLanguag.languageServiceHost,
-      _updateFile = _createVirtualLanguag.updateFile;
-
+    languageServiceHost = _createVirtualLanguag.languageServiceHost,
+    _updateFile = _createVirtualLanguag.updateFile;
   var languageService = ts.createLanguageService(languageServiceHost);
   var diagnostics = languageService.getCompilerOptionsDiagnostics();
-
   if (diagnostics.length) {
@@ -63,3 +53,2 @@ var compilerHost = createVirtualCompilerHost(sys, compilerOptions, ts);
   }
-
   return {
@@ -72,3 +61,2 @@ // @ts-ignore
       var _languageService$getP;
-
       return (_languageService$getP = languageService.getProgram()) == null ? void 0 : _languageService$getP.getSourceFile(fileName);
@@ -81,9 +69,7 @@ },
       var prevSourceFile = languageService.getProgram().getSourceFile(fileName);
-
       if (!prevSourceFile) {
         throw new Error("Did not find a source file for " + fileName);
       }
-
-      var prevFullContents = prevSourceFile.text; // TODO: Validate if the default text span has a fencepost error?
-
+      var prevFullContents = prevSourceFile.text;
+      // TODO: Validate if the default text span has a fencepost error?
       var prevTextSpan = optPrevTextSpan != null ? optPrevTextSpan : ts.createTextSpan(0, prevFullContents.length);
@@ -95,9 +81,8 @@ var newText = prevFullContents.slice(0, prevTextSpan.start) + content + prevFullContents.slice(prevTextSpan.start + prevTextSpan.length);
       });
-
       _updateFile(newSourceFile);
     }
   };
-} // TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
+}
+// TODO: This could be replaced by grabbing: https://github.com/microsoft/TypeScript/blob/main/src/lib/libs.json
 // and then using that to generate the list of files from the server, but it is not included in the npm package
-
 /**
@@ -111,9 +96,8 @@ * Grab the list of lib files for a particular target, will return a bit more than necessary (by including
  */
-
 var knownLibFilesForCompilerOptions = function knownLibFilesForCompilerOptions(compilerOptions, ts) {
   var target = compilerOptions.target || ts.ScriptTarget.ES5;
-  var lib = compilerOptions.lib || []; // Note that this will include files which can't be found for particular versions of TS
+  var lib = compilerOptions.lib || [];
+  // Note that this will include files which can't be found for particular versions of TS
   // TODO: Replace this with some sort of API call if https://github.com/microsoft/TypeScript/pull/54011
   // or similar is merged.
-
   var files = ["lib.d.ts", "lib.decorators.d.ts", "lib.decorators.legacy.d.ts", "lib.dom.d.ts", "lib.dom.iterable.d.ts", "lib.webworker.d.ts", "lib.webworker.importscripts.d.ts", "lib.webworker.iterable.d.ts", "lib.scripthost.d.ts", "lib.es5.d.ts", "lib.es6.d.ts", "lib.es2015.collection.d.ts", "lib.es2015.core.d.ts", "lib.es2015.d.ts", "lib.es2015.generator.d.ts", "lib.es2015.iterable.d.ts", "lib.es2015.promise.d.ts", "lib.es2015.proxy.d.ts", "lib.es2015.reflect.d.ts", "lib.es2015.symbol.d.ts", "lib.es2015.symbol.wellknown.d.ts", "lib.es2016.array.include.d.ts", "lib.es2016.d.ts", "lib.es2016.full.d.ts", "lib.es2017.d.ts", "lib.es2017.date.d.ts", "lib.es2017.full.d.ts", "lib.es2017.intl.d.ts", "lib.es2017.object.d.ts", "lib.es2017.sharedmemory.d.ts", "lib.es2017.string.d.ts", "lib.es2017.typedarrays.d.ts", "lib.es2018.asyncgenerator.d.ts", "lib.es2018.asynciterable.d.ts", "lib.es2018.d.ts", "lib.es2018.full.d.ts", "lib.es2018.intl.d.ts", "lib.es2018.promise.d.ts", "lib.es2018.regexp.d.ts", "lib.es2019.array.d.ts", "lib.es2019.d.ts", "lib.es2019.full.d.ts", "lib.es2019.intl.d.ts", "lib.es2019.object.d.ts", "lib.es2019.string.d.ts", "lib.es2019.symbol.d.ts", "lib.es2020.bigint.d.ts", "lib.es2020.d.ts", "lib.es2020.date.d.ts", "lib.es2020.full.d.ts", "lib.es2020.intl.d.ts", "lib.es2020.number.d.ts", "lib.es2020.promise.d.ts", "lib.es2020.sharedmemory.d.ts", "lib.es2020.string.d.ts", "lib.es2020.symbol.wellknown.d.ts", "lib.es2021.d.ts", "lib.es2021.full.d.ts", "lib.es2021.intl.d.ts", "lib.es2021.promise.d.ts", "lib.es2021.string.d.ts", "lib.es2021.weakref.d.ts", "lib.es2022.array.d.ts", "lib.es2022.d.ts", "lib.es2022.error.d.ts", "lib.es2022.full.d.ts", "lib.es2022.intl.d.ts", "lib.es2022.object.d.ts", "lib.es2022.regexp.d.ts", "lib.es2022.sharedmemory.d.ts", "lib.es2022.string.d.ts", "lib.es2023.array.d.ts", "lib.es2023.collection.d.ts", "lib.es2023.d.ts", "lib.es2023.full.d.ts", "lib.esnext.array.d.ts", "lib.esnext.asynciterable.d.ts", "lib.esnext.bigint.d.ts", "lib.esnext.d.ts", "lib.esnext.decorators.d.ts", "lib.esnext.disposable.d.ts", "lib.esnext.full.d.ts", "lib.esnext.intl.d.ts", "lib.esnext.promise.d.ts", "lib.esnext.string.d.ts", "lib.esnext.symbol.d.ts", "lib.esnext.weakref.d.ts"];
@@ -125,3 +109,2 @@ var targetToCut = ts.ScriptTarget[target];
   var targetCutIndex = files.indexOf(matches.pop());
-
   var getMax = function getMax(array) {
@@ -131,5 +114,4 @@ return array && array.length ? array.reduce(function (max, current) {
     }) : undefined;
-  }; // Find the index for everything in
-
-
+  };
+  // Find the index for everything in
   var indexesForCutting = lib.map(function (lib) {
@@ -154,7 +136,5 @@ var matches = files.filter(function (f) {
  */
-
 var createDefaultMapFromNodeModules = function createDefaultMapFromNodeModules(_compilerOptions, _ts, tsLibDirectory) {
   var path = requirePath();
   var fs = requireFS();
-
   var getLib = function getLib(name) {
@@ -164,3 +144,2 @@ var lib = tsLibDirectory || path.dirname(require.resolve("typescript"));
   };
-
   var libFiles = fs.readdirSync(tsLibDirectory || path.dirname(require.resolve("typescript")));
@@ -179,7 +158,5 @@ var knownLibFiles = libFiles.filter(function (f) {
  */
-
 var addAllFilesFromFolder = function addAllFilesFromFolder(map, workingDir) {
   var path = requirePath();
   var fs = requireFS();
-
   var walk = function walk(dir) {
@@ -191,3 +168,2 @@ var results = [];
       var stat = fs.statSync(file);
-
       if (stat && stat.isDirectory()) {
@@ -203,3 +179,2 @@ /* Recurse into a subdirectory */
   };
-
   var allFiles = walk(workingDir);
@@ -210,3 +185,2 @@ allFiles.forEach(function (lib) {
     var validExtensions = [".ts", ".tsx"];
-
     if (validExtensions.includes(path.extname(fsPath))) {
@@ -218,3 +192,2 @@ map.set(fsPath, content);
 /** Adds all files from node_modules/@types into the FS Map */
-
 var addFilesForTypesIntoFolder = function addFilesForTypesIntoFolder(map) {
@@ -235,3 +208,2 @@ return addAllFilesFromFolder(map, "node_modules/@types");
  */
-
 var createDefaultMapFromCDN = function createDefaultMapFromCDN(options, version, cache, ts, lzstring, fetcher, storer) {
@@ -242,12 +214,9 @@ var fetchlike = fetcher || fetch;
   var prefix = "https://typescript.azureedge.net/cdn/" + version + "/typescript/lib/";
-
   function zip(str) {
     return lzstring ? lzstring.compressToUTF16(str) : str;
   }
-
   function unzip(str) {
     return lzstring ? lzstring.decompressFromUTF16(str) : str;
-  } // Map the known libs to a node fetch promise, then return the contents
-
-
+  }
+  // Map the known libs to a node fetch promise, then return the contents
   function uncached() {
@@ -262,7 +231,7 @@ return Promise.all(files.map(function (lib) {
       });
-    }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+    })
+    // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
     ["catch"](function () {});
-  } // A localstorage and lzzip aware version of the lib files
-
-
+  }
+  // A localstorage and lzzip aware version of the lib files
   function cached() {
@@ -280,3 +249,2 @@ var storelike = storer || localStorage;
       var content = storelike.getItem(cacheKey);
-
       if (!content) {
@@ -289,3 +257,4 @@ // Make the API call and store the text concent in the cache
           return t;
-        }) // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
+        })
+        // Return a NOOP for .d.ts files which aren't in the current build of TypeScript
         ["catch"](function () {});
@@ -304,3 +273,2 @@ } else {
   }
-
   var func = cache ? cached : uncached;
@@ -311,7 +279,5 @@ return func().then(function () {
 };
-
 function notImplemented(methodName) {
   throw new Error("Method '" + methodName + "' is not implemented.");
 }
-
 function audit(name, fn) {
@@ -322,3 +288,2 @@ return function () {
     }
-
     var res = fn.apply(void 0, args);
@@ -332,4 +297,2 @@ var smallres = typeof res === "string" ? res.slice(0, 80) + "..." : res;
 /** The default compiler options if TypeScript could ever change the compiler options */
-
-
 var defaultCompilerOptions = function defaultCompilerOptions(ts) {
@@ -346,5 +309,4 @@ return _extends({}, ts.getDefaultCompilerOptions(), {
   });
-}; // "/DOM.d.ts" => "/lib.dom.d.ts"
-
-
+};
+// "/DOM.d.ts" => "/lib.dom.d.ts"
 var libize = function libize(path) {
@@ -357,4 +319,2 @@ return path.replace("/", "/lib.").toLowerCase();
  */
-
-
 function createSystem(files) {
@@ -411,3 +371,2 @@ return {
  */
-
 function createFSBackedSystem(files, _projectRoot, ts, tsLibDirectory) {
@@ -417,4 +376,4 @@ // We need to make an isolated folder for the tsconfig, but also need to be able to resolve the
   var root = _projectRoot + "/vfs";
-  var path = requirePath(); // The default System in TypeScript
-
+  var path = requirePath();
+  // The default System in TypeScript
   var nodeSys = ts.sys;
@@ -438,6 +397,5 @@ var tsLib = tsLibDirectory != null ? tsLibDirectory : path.dirname(require.resolve("typescript"));
     fileExists: audit("fileExists", function (fileName) {
-      if (files.has(fileName)) return true; // Don't let other tsconfigs end up touching the vfs
-
+      if (files.has(fileName)) return true;
+      // Don't let other tsconfigs end up touching the vfs
       if (fileName.includes("tsconfig.json") || fileName.includes("tsconfig.json")) return false;
-
       if (fileName.startsWith("/lib")) {
@@ -447,3 +405,2 @@ var tsLibName = tsLib + "/" + fileName.replace("/", "");
       }
-
       return nodeSys.fileExists(fileName);
@@ -467,7 +424,5 @@ }),
       if (files.has(fileName)) return files.get(fileName);
-
       if (fileName.startsWith("/lib")) {
         var tsLibName = tsLib + "/" + fileName.replace("/", "");
         var result = nodeSys.readFile(tsLibName);
-
         if (!result) {
@@ -477,6 +432,4 @@ var libs = nodeSys.readDirectory(tsLib);
         }
-
         return result;
       }
-
       return nodeSys.readFile(fileName);
@@ -503,6 +456,4 @@ }),
  */
-
 function createVirtualCompilerHost(sys, compilerOptions, ts) {
   var sourceFiles = new Map();
-
   var save = function save(sourceFile) {
@@ -512,3 +463,2 @@ sourceFiles.set(sourceFile.fileName, sourceFile);
   };
-
   var vHost = {
@@ -522,2 +472,3 @@ compilerHost: _extends({}, sys, {
       },
+      // '/lib.d.ts',
       // getDefaultLibLocation: () => '/',
@@ -549,13 +500,9 @@ getDirectories: function getDirectories() {
  */
-
 function createVirtualLanguageServiceHost(sys, rootFiles, compilerOptions, ts, customTransformers) {
   var fileNames = [].concat(rootFiles);
-
   var _createVirtualCompile = createVirtualCompilerHost(sys, compilerOptions, ts),
-      compilerHost = _createVirtualCompile.compilerHost,
-      _updateFile2 = _createVirtualCompile.updateFile;
-
+    compilerHost = _createVirtualCompile.compilerHost,
+    _updateFile2 = _createVirtualCompile.updateFile;
   var fileVersions = new Map();
   var projectVersion = 0;
-
   var languageServiceHost = _extends({}, compilerHost, {
@@ -584,7 +531,5 @@ getProjectVersion: function getProjectVersion() {
       var contents = sys.readFile(fileName);
-
-      if (contents) {
+      if (contents && typeof contents === "string") {
         return ts.ScriptSnapshot.fromString(contents);
       }
-
       return;
@@ -597,3 +542,2 @@ },
   });
-
   var lsHost = {
@@ -604,7 +548,5 @@ languageServiceHost: languageServiceHost,
       fileVersions.set(sourceFile.fileName, projectVersion.toString());
-
       if (!fileNames.includes(sourceFile.fileName)) {
         fileNames.push(sourceFile.fileName);
       }
-
       _updateFile2(sourceFile);
@@ -615,7 +557,5 @@ }
 }
-
 var requirePath = function requirePath() {
   return require(String.fromCharCode(112, 97, 116, 104));
 };
-
 var requireFS = function requireFS() {
@@ -622,0 +562,0 @@ return require(String.fromCharCode(102, 115));

package.json

 {
   "name": "@typescript/vfs",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "license": "MIT",
@@ -21,11 +21,2 @@ "author": "TypeScript team",
   ],
-  "scripts": {
-    "start": "tsdx watch",
-    "bootstrap": "yarn build",
-    "build": "tsdx build && yarn make-for-website && yarn make-global",
-    "make-for-website": "cpy src/index.ts ../sandbox/src/vendor --rename=typescript-vfs.ts",
-    "make-global": "node scripts/makeGlobals.js",
-    "test": "jest",
-    "lint": "tsdx lint"
-  },
   "jest": {
@@ -48,12 +39,23 @@ "preset": "ts-jest",
   "devDependencies": {
-    "@types/jest": "^25.1.3",
-    "babel-jest": "^26.0.6",
+    "@types/jest": "^29.5.12",
+    "babel-jest": "^29.7.0",
     "cpy-cli": "^3.1.1",
+    "dts-cli": "^2.0.5",
     "jest": "^29.5.0",
     "jest-environment-jsdom": "^29.5.0",
+    "jest-watch-typeahead": "^2.2.2",
+    "lz-string": "^1.5.0",
     "ts-jest": "^29.0.5",
-    "tsdx": "^0.14.1",
-    "tslib": "^1.10.0",
+    "tslib": "^2.6.2",
     "typescript": "*"
+  },
+  "scripts": {
+    "start": "dts watch",
+    "bootstrap": "pnpm build",
+    "build": "dts build && pnpm make-for-website && pnpm make-global",
+    "make-for-website": "cpy src/index.ts ../sandbox/src/vendor --rename=typescript-vfs.ts",
+    "make-global": "node scripts/makeGlobals.js",
+    "test": "dts test",
+    "lint": "dts lint"
   }
-}
+}

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

228233

increased by4.01%

Lines of code

1742

increased by2.11%

Worsened metrics

Dev dependency count

11

increased by22.22%

No dependency changes