Updated LKG.

Author: DanielRosenwasser

lib/tsc.js

@@ -1034,7 +1034,6 @@ var ts;
                 write: function (s) {
                     process.stdout.write(s);
                 },
-                writesToTty: function () { return _tty.isatty(1); },
                 readFile: readFile,
                 writeFile: writeFile,
                 watchFile: function (fileName, callback) {
@@ -31234,13 +31233,12 @@ var ts;
         output += category + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine;
         ts.sys.write(output);
     }
-    var shouldUseColors = !!ts.sys.writesToTty && ts.sys.writesToTty();
-    var redForegroundEscapeSequence = shouldUseColors ? "\u001b[91m" : "";
-    var yellowForegroundEscapeSequence = shouldUseColors ? "\u001b[93m" : "";
-    var blueForegroundEscapeSequence = shouldUseColors ? "\u001b[93m" : "";
-    var gutterStyleSequence = shouldUseColors ? "\u001b[100;30m" : "";
-    var gutterSeparator = shouldUseColors ? " " : " | ";
-    var resetEscapeSequence = shouldUseColors ? "\u001b[0m" : "";
+    var redForegroundEscapeSequence = "\u001b[91m";
+    var yellowForegroundEscapeSequence = "\u001b[93m";
+    var blueForegroundEscapeSequence = "\u001b[93m";
+    var gutterStyleSequence = "\u001b[100;30m";
+    var gutterSeparator = " ";
+    var resetEscapeSequence = "\u001b[0m";
     var elipsis = "...";
     var categoryFormatMap = (_a = {},
         _a[ts.DiagnosticCategory.Warning] = yellowForegroundEscapeSequence,

lib/tsserver.js

@@ -1034,7 +1034,6 @@ var ts;
                 write: function (s) {
                     process.stdout.write(s);
                 },
-                writesToTty: function () { return _tty.isatty(1); },
                 readFile: readFile,
                 writeFile: writeFile,
                 watchFile: function (fileName, callback) {

lib/typescript.d.ts

@@ -1429,7 +1429,6 @@ declare namespace ts {
         newLine: string;
         useCaseSensitiveFileNames: boolean;
         write(s: string): void;
-        writesToTty?(): boolean;
         readFile(path: string, encoding?: string): string;
         writeFile(path: string, data: string, writeByteOrderMark?: boolean): void;
         watchFile?(path: string, callback: (path: string, removed?: boolean) => void): FileWatcher;

lib/typescript.js

@@ -1939,7 +1939,6 @@ var ts;
                 write: function (s) {
                     process.stdout.write(s);
                 },
-                writesToTty: function () { return _tty.isatty(1); },
                 readFile: readFile,
                 writeFile: writeFile,
                 watchFile: function (fileName, callback) {

lib/typescriptServices.d.ts

@@ -1429,7 +1429,6 @@ declare namespace ts {
         newLine: string;
         useCaseSensitiveFileNames: boolean;
         write(s: string): void;
-        writesToTty?(): boolean;
         readFile(path: string, encoding?: string): string;
         writeFile(path: string, data: string, writeByteOrderMark?: boolean): void;
         watchFile?(path: string, callback: (path: string, removed?: boolean) => void): FileWatcher;

lib/typescriptServices.js

@@ -1939,7 +1939,6 @@ var ts;
                 write: function (s) {
                     process.stdout.write(s);
                 },
-                writesToTty: function () { return _tty.isatty(1); },
                 readFile: readFile,
                 writeFile: writeFile,
                 watchFile: function (fileName, callback) {