Build using TS 2.5 (#33705)

* Build using TS 2.5

Fixes #33704

* Remove explicit return type

build/lib/nls.ts

@@ -227,7 +227,7 @@ module nls {
 		// `localize` named imports
 		const allLocalizeImportDeclarations = importDeclarations
 			.filter(d => d.importClause.namedBindings.kind === ts.SyntaxKind.NamedImports)
-			.map(d => (<ts.NamedImports>d.importClause.namedBindings).elements)
+			.map(d => [].concat((<ts.NamedImports>d.importClause.namedBindings).elements))
 			.flatten();
 
 		// `localize` read-only references

build/monaco/package.json

@@ -48,7 +48,7 @@
     "sinon": "^1.17.2",
     "source-map": "^0.4.4",
     "tslint": "^4.3.1",
-    "typescript": "2.4.1",
+    "typescript": "2.5.2",
     "typescript-formatter": "4.0.1",
     "underscore": "^1.8.2",
     "vinyl": "^0.4.5",

build/package.json

@@ -13,7 +13,7 @@
     "documentdb": "^1.11.0",
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
-    "typescript": "2.4.1",
+    "typescript": "2.5.2",
     "xml2js": "^0.4.17"
   },
   "scripts": {

extensions/git/src/git.ts

@@ -82,7 +82,7 @@ function findGitDarwin(): Promise<IGit> {
 
 			function getVersion(path: string) {
 				// make sure git executes
-				cp.exec('git --version', (err, stdout: Buffer) => {
+				cp.exec('git --version', (err: Error, stdout: any) => {
 					if (err) {
 						return e('git not found');
 					}

package.json

@@ -109,7 +109,7 @@
     "sinon": "^1.17.2",
     "source-map": "^0.4.4",
     "tslint": "^4.3.1",
-    "typescript": "2.4.1",
+    "typescript": "^2.5.2",
     "typescript-formatter": "4.0.1",
     "uglify-es": "^3.0.18",
     "underscore": "^1.8.2",