add setEagerModelSync-function to defaults, fixes #461

src/monaco.contribution.ts

@@ -19,6 +19,7 @@ export class LanguageServiceDefaultsImpl implements monaco.languages.typescript.
 	private _onDidChange = new Emitter<monaco.languages.typescript.LanguageServiceDefaults>();
 	private _extraLibs: { [path: string]: string };
 	private _workerMaxIdleTime: number;
+	private _eagerModelSync: boolean;
 	private _compilerOptions: monaco.languages.typescript.CompilerOptions;
 	private _diagnosticsOptions: monaco.languages.typescript.DiagnosticsOptions;
 
@@ -89,6 +90,16 @@ export class LanguageServiceDefaultsImpl implements monaco.languages.typescript.
 	getWorkerMaxIdleTime() {
 		return this._workerMaxIdleTime;
 	}
+
+	setEagerModelSync(value: boolean) {
+		// doesn't fire an event since no
+		// worker restart is required here
+		this._eagerModelSync = value;
+	}
+
+	getEagerModelSync() {
+		return this._eagerModelSync;
+	}
 }
 
 // --- BEGIN enums copied from typescript to prevent loading the entire typescriptServices ---

src/monaco.d.ts

@@ -136,6 +136,12 @@ declare module monaco.languages.typescript {
          * mean never shut down.
          */
         setMaximunWorkerIdleTime(value: number): void;
+
+        /**
+         * Configure if all existing models should be eagerly sync'd
+         * to the worker on start or restart.
+         */
+        setEagerModelSync(value: boolean): void;
     }
 
     export var typescriptDefaults: LanguageServiceDefaults;

src/workerManager.ts

@@ -74,7 +74,18 @@ export class WorkerManager {
 				}
 			});
 
-			this._client = this._worker.getProxy();
+			let p = this._worker.getProxy();
+
+			if (this._defaults.getEagerModelSync()) {
+				p = p.then(worker => {
+					return this._worker.withSyncedResources(monaco.editor.getModels()
+						.filter(model => model.getModeId() === this._modeId)
+						.map(model => model.uri)
+					);
+				})
+			}
+
+			this._client = p;
 		}
 
 		return this._client;