Convert a lot of top level consts to const enums

src/common/services/BufferService.ts

@@ -10,8 +10,10 @@ import { IBuffer, IBufferSet } from 'common/buffer/Types';
 import { IBufferService, ILogService, IOptionsService, type IBufferResizeEvent } from 'common/services/Services';
 import { Emitter } from 'common/Event';
 
-export const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars
-export const MINIMUM_ROWS = 1;
+export const enum BufferServiceConstants {
+  MINIMUM_COLS = 2, // Less than 2 can mess with wide chars
+  MINIMUM_ROWS = 1
+}
 
 export class BufferService extends Disposable implements IBufferService {
   public serviceBrand: any;
@@ -37,8 +39,8 @@ export class BufferService extends Disposable implements IBufferService {
     @ILogService logService: ILogService
   ) {
     super();
-    this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);
-    this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);
+    this.cols = Math.max(optionsService.rawOptions.cols || 0, BufferServiceConstants.MINIMUM_COLS);
+    this.rows = Math.max(optionsService.rawOptions.rows || 0, BufferServiceConstants.MINIMUM_ROWS);
     this.buffers = this._register(new BufferSet(optionsService, this, logService));
     this._register(this.buffers.onBufferActivate(e => {
       this._onScroll.fire(e.activeBuffer.ydisp);

src/common/services/ServiceRegistry.ts

@@ -11,13 +11,15 @@
 
 import { IServiceIdentifier } from 'common/services/Services';
 
-const DI_TARGET = 'di$target';
-const DI_DEPENDENCIES = 'di$dependencies';
+const enum Constants {
+  DI_TARGET = 'di$target',
+  DI_DEPENDENCIES = 'di$dependencies'
+}
 
 export const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();
 
 export function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {
-  return ctor[DI_DEPENDENCIES] || [];
+  return ctor[Constants.DI_DEPENDENCIES] || [];
 }
 
 export function createDecorator<T>(id: string): IServiceIdentifier<T> {
@@ -40,10 +42,10 @@ export function createDecorator<T>(id: string): IServiceIdentifier<T> {
 }
 
 function storeServiceDependency(id: Function, target: Function, index: number): void {
-  if ((target as any)[DI_TARGET] === target) {
-    (target as any)[DI_DEPENDENCIES].push({ id, index });
+  if ((target as any)[Constants.DI_TARGET] === target) {
+    (target as any)[Constants.DI_DEPENDENCIES].push({ id, index });
   } else {
-    (target as any)[DI_DEPENDENCIES] = [{ id, index }];
-    (target as any)[DI_TARGET] = target;
+    (target as any)[Constants.DI_DEPENDENCIES] = [{ id, index }];
+    (target as any)[Constants.DI_TARGET] = target;
   }
 }