diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index f1322f109cc..f3dd99ee5bf 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -68,13 +68,13 @@ namespace ts {
     }
 
     // The global Map object. This may not be available, so we must test for it.
-    declare const Map: { new<T>(): Map<T> } | undefined;
+    declare const Map: { new <T>(): Map<T> } | undefined;
     // Internet Explorer's Map doesn't support iteration, so don't use it.
     // tslint:disable-next-line no-in-operator variable-name
     const MapCtr = typeof Map !== "undefined" && "entries" in Map.prototype ? Map : shimMap();
 
     // Keep the class inside a function so it doesn't get compiled if it's not used.
-    function shimMap(): { new<T>(): Map<T> } {
+    function shimMap(): { new <T>(): Map<T> } {
 
         class MapIterator<T, U extends (string | T | [string, T])> {
             private data: MapLike<T>;
@@ -97,7 +97,7 @@ namespace ts {
             }
         }
 
-        return class<T> implements Map<T> {
+        return class <T> implements Map<T> {
             private data = createDictionaryObject<T>();
             public size = 0;
 
@@ -2635,6 +2635,17 @@ namespace ts {
         return <T>(removeFileExtension(path) + newExtension);
     }
 
+    /**
+     * Takes a string like "jquery-min.4.2.3" and returns "jquery"
+     */
+    export function removeMinAndVersionNumbers(fileName: string) {
+        // Match a "." or "-" followed by a version number or 'min' at the end of the name
+        const trailingMinOrVersion = /[.-]((min)|(\d+(\.\d+)*))$/;
+
+        // The "min" or version may both be present, in either order, so try applying the above twice.
+        return fileName.replace(trailingMinOrVersion, "").replace(trailingMinOrVersion, "");
+    }
+
     export interface ObjectAllocator {
         getNodeConstructor(): new (kind: SyntaxKind, pos?: number, end?: number) => Node;
         getTokenConstructor(): new <TKind extends SyntaxKind>(kind: TKind, pos?: number, end?: number) => Token<TKind>;
@@ -2835,7 +2846,7 @@ namespace ts {
         return findBestPatternMatch(patterns, _ => _, candidate);
     }
 
-    export function patternText({prefix, suffix}: Pattern): string {
+    export function patternText({ prefix, suffix }: Pattern): string {
         return `${prefix}*${suffix}`;
     }
 
@@ -2865,7 +2876,7 @@ namespace ts {
         return matchedValue;
     }
 
-    function isPatternMatch({prefix, suffix}: Pattern, candidate: string) {
+    function isPatternMatch({ prefix, suffix }: Pattern, candidate: string) {
         return candidate.length >= prefix.length + suffix.length &&
             startsWith(candidate, prefix) &&
             endsWith(candidate, suffix);
diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts
index ffee2be26be..ea573726eb8 100644
--- a/src/harness/unittests/tsserverProjectSystem.ts
+++ b/src/harness/unittests/tsserverProjectSystem.ts
@@ -1539,6 +1539,42 @@ namespace ts.projectSystem {
             }
         });
 
+        it("removes version numbers correctly", () => {
+            const testData: [string, string][] = [
+                ["jquery-max", "jquery-max"],
+                ["jquery.min", "jquery"],
+                ["jquery-min.4.2.3", "jquery"],
+                ["jquery.min.4.2.1", "jquery"],
+                ["minimum", "minimum"],
+                ["min", "min"],
+                ["min.3.2", "min"],
+                ["jquery", "jquery"]
+            ];
+            for (const t of testData) {
+                assert.equal(removeMinAndVersionNumbers(t[0]), t[1], t[0]);
+            }
+        });
+
+        it("ignores files excluded by a legacy safe type list", () => {
+            const file1 = {
+                path: "/a/b/bliss.js",
+                content: "let x = 5"
+            };
+            const file2 = {
+                path: "/a/b/foo.js",
+                content: ""
+            };
+            const host = createServerHost([file1, file2, customTypesMap]);
+            const projectService = createProjectService(host);
+            try {
+                projectService.openExternalProject({ projectFileName: "project", options: {}, rootFiles: toExternalFiles([file1.path, file2.path]), typeAcquisition: { enable: true } });
+                const proj = projectService.externalProjects[0];
+                assert.deepEqual(proj.getFileNames(), [file2.path]);
+            } finally {
+                projectService.resetSafeList();
+            }
+        });
+
         it("open file become a part of configured project if it is referenced from root file", () => {
             const file1 = {
                 path: "/a/b/f1.ts",
diff --git a/src/harness/unittests/typingsInstaller.ts b/src/harness/unittests/typingsInstaller.ts
index 2ae9587b78e..e321fb1c99d 100644
--- a/src/harness/unittests/typingsInstaller.ts
+++ b/src/harness/unittests/typingsInstaller.ts
@@ -1057,11 +1057,12 @@ namespace ts.projectSystem {
             const host = createServerHost([app, jquery, chroma]);
             const logger = trackingLogger();
             const result = JsTyping.discoverTypings(host, logger.log, [app.path, jquery.path, chroma.path], getDirectoryPath(<Path>app.path), safeList, emptyMap, { enable: true }, emptyArray);
-            assert.deepEqual(logger.finish(), [
+            const finish = logger.finish();
+            assert.deepEqual(finish, [
                 'Inferred typings from file names: ["jquery","chroma-js"]',
                 "Inferred typings from unresolved imports: []",
                 'Result: {"cachedTypingPaths":[],"newTypingNames":["jquery","chroma-js"],"filesToWatch":["/a/b/bower_components","/a/b/node_modules"]}',
-            ]);
+            ], finish.join("\r\n"));
             assert.deepEqual(result.newTypingNames, ["jquery", "chroma-js"]);
         });
 
diff --git a/src/server/editorServices.ts b/src/server/editorServices.ts
index 2205f65cbe4..726621a540d 100644
--- a/src/server/editorServices.ts
+++ b/src/server/editorServices.ts
@@ -110,7 +110,7 @@ namespace ts.server {
 
     export interface TypesMapFile {
         typesMap: SafeList;
-        simpleMap: string[];
+        simpleMap: { [libName: string]: string };
     }
 
     /**
@@ -380,6 +380,7 @@ namespace ts.server {
 
         private readonly hostConfiguration: HostConfiguration;
         private safelist: SafeList = defaultTypeSafeList;
+        private legacySafelist: { [key: string]: string } = {};
 
         private changedFiles: ScriptInfo[];
         private pendingProjectUpdates = createMap<Project>();
@@ -432,9 +433,12 @@ namespace ts.server {
             this.toCanonicalFileName = createGetCanonicalFileName(this.host.useCaseSensitiveFileNames);
             this.throttledOperations = new ThrottledOperations(this.host, this.logger);
 
-            if (opts.typesMapLocation) {
+            if (this.typesMapLocation) {
                 this.loadTypesMap();
             }
+            else {
+                this.logger.info("No types map provided; using the default");
+            }
 
             this.typingsInstaller.attach(this);
 
@@ -524,10 +528,12 @@ namespace ts.server {
                 }
                 // raw is now fixed and ready
                 this.safelist = raw.typesMap;
+                this.legacySafelist = raw.simpleMap;
             }
             catch (e) {
                 this.logger.info(`Error loading types map: ${e}`);
                 this.safelist = defaultTypeSafeList;
+                this.legacySafelist = {};
             }
         }
 
@@ -1418,7 +1424,7 @@ namespace ts.server {
             }
         }
 
-        private createExternalProject(projectFileName: string, files: protocol.ExternalFile[], options: protocol.ExternalProjectCompilerOptions, typeAcquisition: TypeAcquisition) {
+        private createExternalProject(projectFileName: string, files: protocol.ExternalFile[], options: protocol.ExternalProjectCompilerOptions, typeAcquisition: TypeAcquisition, excludedFiles: NormalizedPath[]) {
             const compilerOptions = convertCompilerOptions(options);
             const project = new ExternalProject(
                 projectFileName,
@@ -1427,6 +1433,7 @@ namespace ts.server {
                 compilerOptions,
                 /*languageServiceEnabled*/ !this.exceededTotalSizeLimitForNonTsFiles(projectFileName, compilerOptions, files, externalFilePropertyReader),
                 options.compileOnSave === undefined ? true : options.compileOnSave);
+            project.excludedFiles = excludedFiles;
 
             this.addFilesToNonInferredProjectAndUpdateGraph(project, files, externalFilePropertyReader, typeAcquisition);
             this.externalProjects.push(project);
@@ -2197,7 +2204,7 @@ namespace ts.server {
                 const rule = this.safelist[name];
                 for (const root of normalizedNames) {
                     if (rule.match.test(root)) {
-                        this.logger.info(`Excluding files based on rule ${name}`);
+                        this.logger.info(`Excluding files based on rule ${name} matching file '${root}'`);
 
                         // If the file matches, collect its types packages and exclude rules
                         if (rule.types) {
@@ -2256,7 +2263,22 @@ namespace ts.server {
                     excludedFiles.push(normalizedNames[i]);
                 }
                 else {
-                    filesToKeep.push(proj.rootFiles[i]);
+                    let exclude = false;
+                    if (typeAcquisition && (typeAcquisition.enable || typeAcquisition.enableAutoDiscovery)) {
+                        const baseName = getBaseFileName(normalizedNames[i].toLowerCase());
+                        if (fileExtensionIs(baseName, "js")) {
+                            const inferredTypingName = removeFileExtension(baseName);
+                            const cleanedTypingName = removeMinAndVersionNumbers(inferredTypingName);
+                            if (this.legacySafelist[cleanedTypingName]) {
+                                this.logger.info(`Excluded '${normalizedNames[i]}' because it matched ${cleanedTypingName} from the legacy safelist`);
+                                excludedFiles.push(normalizedNames[i]);
+                                exclude = true;
+                            }
+                        }
+                    }
+                    if (!exclude) {
+                        filesToKeep.push(proj.rootFiles[i]);
+                    }
                 }
             }
             proj.rootFiles = filesToKeep;
@@ -2364,8 +2386,7 @@ namespace ts.server {
             else {
                 // no config files - remove the item from the collection
                 this.externalProjectToConfiguredProjectMap.delete(proj.projectFileName);
-                const newProj = this.createExternalProject(proj.projectFileName, rootFiles, proj.options, proj.typeAcquisition);
-                newProj.excludedFiles = excludedFiles;
+                this.createExternalProject(proj.projectFileName, rootFiles, proj.options, proj.typeAcquisition, excludedFiles);
             }
             if (!suppressRefreshOfInferredProjects) {
                 this.ensureProjectStructuresUptoDate(/*refreshInferredProjects*/ true);
diff --git a/src/services/jsTyping.ts b/src/services/jsTyping.ts
index 99942674a51..1c2f87fa428 100644
--- a/src/services/jsTyping.ts
+++ b/src/services/jsTyping.ts
@@ -183,7 +183,7 @@ namespace ts.JsTyping {
                 if (!hasJavaScriptFileExtension(j)) return undefined;
 
                 const inferredTypingName = removeFileExtension(getBaseFileName(j.toLowerCase()));
-                const cleanedTypingName = inferredTypingName.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, "");
+                const cleanedTypingName = removeMinAndVersionNumbers(inferredTypingName);
                 return safeList.get(cleanedTypingName);
             });
             if (fromFileNames.length) {
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index ffca9ca6c5a..096ad71c894 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -7433,7 +7433,9 @@ declare namespace ts.server {
     }
     interface TypesMapFile {
         typesMap: SafeList;
-        simpleMap: string[];
+        simpleMap: {
+            [libName: string]: string;
+        };
     }
     function convertFormatOptions(protocolOptions: protocol.FormatCodeSettings): FormatCodeSettings;
     function convertCompilerOptions(protocolOptions: protocol.ExternalProjectCompilerOptions): CompilerOptions & protocol.CompileOnSaveMixin;
@@ -7514,6 +7516,7 @@ declare namespace ts.server {
         private readonly throttledOperations;
         private readonly hostConfiguration;
         private safelist;
+        private legacySafelist;
         private changedFiles;
         private pendingProjectUpdates;
         private pendingInferredProjectUpdate;
@@ -7622,7 +7625,7 @@ declare namespace ts.server {
         private findExternalProjectByProjectName(projectFileName);
         private convertConfigFileContentToProjectOptions(configFilename, cachedDirectoryStructureHost);
         private exceededTotalSizeLimitForNonTsFiles<T>(name, options, fileNames, propertyReader);
-        private createExternalProject(projectFileName, files, options, typeAcquisition);
+        private createExternalProject(projectFileName, files, options, typeAcquisition, excludedFiles);
         private sendProjectTelemetry(projectKey, project, projectOptions?);
         private addFilesToNonInferredProjectAndUpdateGraph<T>(project, files, propertyReader, typeAcquisition);
         private createConfiguredProject(configFileName);