microsoft · vladima · Nov 8, 2016 · Nov 4, 2016 · Nov 4, 2016
diff --git a/src/harness/harnessLanguageService.ts b/src/harness/harnessLanguageService.ts
@@ -720,6 +720,10 @@ namespace Harness.LanguageService {
        clearImmediate(timeoutId: any): void {
            clearImmediate(timeoutId);
        }
+
+        createHash(s: string) {
+            return s;
+        }
    }

    export class ServerLanguageServiceAdapter implements LanguageServiceAdapter {

diff --git a/src/harness/unittests/cachingInServerLSHost.ts b/src/harness/unittests/cachingInServerLSHost.ts
@@ -43,7 +43,8 @@ namespace ts {
            setTimeout,
            clearTimeout,
            setImmediate: typeof setImmediate !== "undefined" ? setImmediate : action => setTimeout(action, 0),
-            clearImmediate: typeof clearImmediate !== "undefined" ? clearImmediate : clearTimeout
+            clearImmediate: typeof clearImmediate !== "undefined" ? clearImmediate : clearTimeout,
+            createHash: s => s
        };
    }


diff --git a/src/harness/unittests/session.ts b/src/harness/unittests/session.ts
@@ -24,7 +24,8 @@ namespace ts.server {
        setTimeout() { return 0; },
        clearTimeout: noop,
        setImmediate: () => 0,
-        clearImmediate: noop
+        clearImmediate: noop,
+        createHash: s => s
    };
    const nullCancellationToken: HostCancellationToken = { isCancellationRequested: () => false };
    const mockLogger: Logger = {

diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts
@@ -439,6 +439,10 @@ namespace ts.projectSystem {
            };
        }

+        createHash(s: string): string {
+            return s;
+        }
+
        triggerDirectoryWatcherCallback(directoryName: string, fileName: string): void {
            const path = this.toPath(directoryName);
            const callbacks = this.watchedDirectories[path];

diff --git a/src/server/builder.ts b/src/server/builder.ts
@@ -5,15 +5,6 @@

 namespace ts.server {

-    interface Hash {
-        update(data: any, input_encoding?: string): Hash;
-        digest(encoding: string): any;
-    }
-
-    const crypto: {
-        createHash(algorithm: string): Hash
-    } = require("crypto");
-
    export function shouldEmitFile(scriptInfo: ScriptInfo) {
        return !scriptInfo.hasMixedContent;
    }
@@ -49,9 +40,7 @@ namespace ts.server {
        }

        private computeHash(text: string): string {
-            return crypto.createHash("md5")
-                .update(text)
-                .digest("base64");
+            return this.project.projectService.host.createHash(text);
        }

        private getSourceFile(): SourceFile {

diff --git a/src/server/editorServices.ts b/src/server/editorServices.ts
@@ -250,6 +250,8 @@ namespace ts.server {
            readonly typingsInstaller: ITypingsInstaller = nullTypingsInstaller,
            private readonly eventHandler?: ProjectServiceEventHandler) {

+            Debug.assert(!!host.createHash, "'ServerHost.createHash' is required for ProjectService");
+
            this.toCanonicalFileName = createGetCanonicalFileName(host.useCaseSensitiveFileNames);
            this.directoryWatchers = new DirectoryWatchers(this);
            this.throttledOperations = new ThrottledOperations(host);