let => const

src/vs/code/electron-main/auto-updater.win32.ts

@@ -44,7 +44,7 @@ export class Win32AutoUpdaterImpl extends EventEmitter {
 	}
 
 	get cachePath(): TPromise<string> {
-		let result = path.join(tmpdir(), 'vscode-update');
+		const result = path.join(tmpdir(), 'vscode-update');
 		return new TPromise<string>((c, e) => mkdirp(result, null, err => err ? e(err) : c(result)));
 	}
 

src/vs/code/electron-main/env.ts

@@ -91,7 +91,7 @@ export class EnvService implements IEnvService {
 		this._appKeybindingsPath = path.join(this._appSettingsHome, 'keybindings.json');
 
 		// Remove the Electron executable
-		let [, ...args] = process.argv;
+		const [, ...args] = process.argv;
 
 		// If dev, remove the first non-option argument: it's the app location
 		if (!this.isBuilt) {
@@ -205,14 +205,14 @@ export interface IParsedPath {
 }
 
 export function parseLineAndColumnAware(rawPath: string): IParsedPath {
-	let segments = rawPath.split(':'); // C:\file.txt:<line>:<column>
+	const segments = rawPath.split(':'); // C:\file.txt:<line>:<column>
 
 	let path: string;
 	let line: number = null;
 	let column: number = null;
 
 	segments.forEach(segment => {
-		let segmentAsNumber = Number(segment);
+		const segmentAsNumber = Number(segment);
 		if (!types.isNumber(segmentAsNumber)) {
 			path = !!path ? [path, segment].join(':') : segment; // a colon can well be part of a path (e.g. C:\...)
 		} else if (line === null) {
@@ -234,7 +234,7 @@ export function parseLineAndColumnAware(rawPath: string): IParsedPath {
 }
 
 function toLineAndColumnPath(parsedPath: IParsedPath): string {
-	let segments = [parsedPath.path];
+	const segments = [parsedPath.path];
 
 	if (types.isNumber(parsedPath.line)) {
 		segments.push(String(parsedPath.line));

src/vs/code/electron-main/lifecycle.ts

@@ -119,7 +119,7 @@ export class LifecycleService implements ILifecycleService {
 
 		// Window Before Closing: Main -> Renderer
 		vscodeWindow.win.on('close', (e) => {
-			let windowId = vscodeWindow.id;
+			const windowId = vscodeWindow.id;
 			this.logService.log('Lifecycle#window-before-close', windowId);
 
 			// The window already acknowledged to be closed
@@ -155,9 +155,9 @@ export class LifecycleService implements ILifecycleService {
 		this.logService.log('Lifecycle#unload()', vscodeWindow.id);
 
 		return new TPromise<boolean>((c) => {
-			let oneTimeEventToken = this.oneTimeListenerTokenGenerator++;
-			let oneTimeOkEvent = 'vscode:ok' + oneTimeEventToken;
-			let oneTimeCancelEvent = 'vscode:cancel' + oneTimeEventToken;
+			const oneTimeEventToken = this.oneTimeListenerTokenGenerator++;
+			const oneTimeOkEvent = 'vscode:ok' + oneTimeEventToken;
+			const oneTimeCancelEvent = 'vscode:cancel' + oneTimeEventToken;
 
 			ipc.once(oneTimeOkEvent, () => {
 				c(false); // no veto

src/vs/code/electron-main/log.ts

@@ -19,7 +19,7 @@ export class MainLogService implements ILogService {
 
 	_serviceBrand: any;
 
-	constructor( @IEnvService private envService: IEnvService) {
+	constructor(@IEnvService private envService: IEnvService) {
 	}
 
 	log(...args: any[]): void {

src/vs/code/electron-main/main.ts

@@ -76,7 +76,7 @@ function main(accessor: ServicesAccessor, mainIpcServer: Server, userEnv: IProce
 		if (err) {
 
 			// take only the message and stack property
-			let friendlyError = {
+			const friendlyError = {
 				message: err.message,
 				stack: err.stack
 			};

src/vs/code/electron-main/sharedProcess.ts

@@ -26,7 +26,7 @@ function _spawnSharedProcess(options: ISharedProcessOptions): cp.ChildProcess {
 	}
 
 	if (options.debugPort) {
-		execArgv.push(`--debug=${ options.debugPort }`);
+		execArgv.push(`--debug=${options.debugPort}`);
 	}
 
 	const result = cp.fork(boostrapPath, ['--type=SharedProcess'], { env, execArgv });

src/vs/code/electron-main/storage.ts

@@ -68,7 +68,7 @@ export class StorageService implements IStorageService {
 			}
 		}
 
-		let oldValue = this.database[key];
+		const oldValue = this.database[key];
 		this.database[key] = data;
 		this.save();
 
@@ -81,7 +81,7 @@ export class StorageService implements IStorageService {
 		}
 
 		if (this.database[key]) {
-			let oldValue = this.database[key];
+			const oldValue = this.database[key];
 			delete this.database[key];
 			this.save();
 

src/vs/code/electron-main/update-manager.ts

@@ -131,7 +131,7 @@ export class UpdateManager extends EventEmitter implements IUpdateService {
 		});
 
 		this.raw.on('update-downloaded', (event: any, releaseNotes: string, version: string, date: Date, url: string, rawQuitAndUpdate: () => void) => {
-			let data: IUpdate = {
+			const data: IUpdate = {
 				releaseNotes: releaseNotes,
 				version: version,
 				date: date,