Merge pull request xtermjs#5637 from Tyriar/remove_trace

Remove trace decorator and unused platform consts

Author: Tyriar

addons/addon-webgl/src/WebglAddon.ts

@@ -9,10 +9,9 @@ import { ICharacterJoinerService, ICharSizeService, ICoreBrowserService, IRender
 import { ITerminal } from 'browser/Types';
 import { Disposable, toDisposable } from 'common/Lifecycle';
 import { getSafariVersion, isSafari } from 'common/Platform';
-import { ICoreService, IDecorationService, ILogService, IOptionsService } from 'common/services/Services';
+import { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
 import { IWebGL2RenderingContext } from './Types';
 import { WebglRenderer } from './WebglRenderer';
-import { setTraceLogger } from 'common/services/LogService';
 import { Emitter, EventUtils } from 'common/Event';
 
 export class WebglAddon extends Disposable implements ITerminalAddon , IWebglApi {
@@ -66,13 +65,8 @@ export class WebglAddon extends Disposable implements ITerminalAddon , IWebglApi
     const charSizeService: ICharSizeService = unsafeCore._charSizeService;
     const coreBrowserService: ICoreBrowserService = unsafeCore._coreBrowserService;
     const decorationService: IDecorationService = unsafeCore._decorationService;
-    const logService: ILogService = unsafeCore._logService;
     const themeService: IThemeService = unsafeCore._themeService;
 
-    // Set trace logger just in case it hasn't been yet which could happen when the addon is
-    // bundled separately to the core module
-    setTraceLogger(logService);
-
     this._renderer = this._register(new WebglRenderer(
       terminal,
       characterJoinerService,

src/common/Platform.ts

@@ -39,8 +39,6 @@ export function getSafariVersion(): number {
 // and ISO third level shifts.
 // http://stackoverflow.com/q/19877924/577598
 export const isMac = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'].includes(platform);
-export const isIpad = platform === 'iPad';
-export const isIphone = platform === 'iPhone';
 export const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].includes(platform);
 export const isLinux = platform.indexOf('Linux') >= 0;
 // Note that when this is true, isLinux will also be true.

src/common/services/LogService.ts

@@ -43,9 +43,6 @@ export class LogService extends Disposable implements ILogService {
     super();
     this._updateLogLevel();
     this._register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));
-
-    // For trace logging, assume the latest created log service is valid
-    traceLogger = this;
   }
 
   private _updateLogLevel(): void {
@@ -95,30 +92,3 @@ export class LogService extends Disposable implements ILogService {
     }
   }
 }
-
-let traceLogger: ILogService;
-export function setTraceLogger(logger: ILogService): void {
-  traceLogger = logger;
-}
-
-/**
- * A decorator that can be used to automatically log trace calls to the decorated function.
- */
-export function traceCall(_target: any, key: string, descriptor: any): any {
-  if (typeof descriptor.value !== 'function') {
-    throw new Error('not supported');
-  }
-  const fnKey = 'value';
-  const fn = descriptor.value;
-  descriptor[fnKey] = function (...args: any[]) {
-    // Early exit
-    if (traceLogger.logLevel !== LogLevelEnum.TRACE) {
-      return fn.apply(this, args);
-    }
-
-    traceLogger.trace(`GlyphRenderer#${fn.name}(${args.map(e => JSON.stringify(e)).join(', ')})`);
-    const result = fn.apply(this, args);
-    traceLogger.trace(`GlyphRenderer#${fn.name} return`, result);
-    return result;
-  };
-}