no-verbose tsb build, only apply markers to closed documents

.vscode/tasks.json

@@ -10,6 +10,11 @@
 		"command": "./node_modules/.bin/gulp"
 	},
 	"isShellCommand": true,
+	"options": {
+		"env": {
+			"VSCODE_BUILD_QUIET": "1"
+		}
+	},
 	"tasks": [
 		{
 			"taskName": "watch",
@@ -20,6 +25,7 @@
 			"isWatching": true,
 			"problemMatcher": {
 				"owner": "typescript",
+				"applyTo": "closedDocuments",
 				"fileLocation": [
 					"absolute"
 				],

build/gulpfile.common.js

@@ -17,6 +17,8 @@ var util = require('./lib/util');
 var i18n = require('./lib/i18n');
 var gulpUtil = require('gulp-util');
 
+var quiet = !!process.env['VSCODE_BUILD_QUIET'];
+
 function log(prefix, message) {
 	gulpUtil.log(gulpUtil.colors.cyan('[' + prefix + ']'), message);
 }
@@ -27,7 +29,7 @@ var commit = util.getVersion(root);
 var tsOptions = {
 	target: 'ES5',
 	module: 'amd',
-	verbose: true,
+	verbose: !quiet,
 	preserveConstEnums: true,
 	experimentalDecorators: true,
 	sourceMap: true,