joyent/node-triton#183 `triton profile create` should not use ANSI code styling if stdout isn't a TTY

Reviewed by: Orlando Vazquez <orlando@joyent.com>
Approved by: Orlando Vazquez <orlando@joyent.com>

CHANGES.md

@@ -7,6 +7,9 @@ Known issues:
 
 ## not yet released
 
+- [joyent/node-triton#183] `triton profile create` will no longer use ANSI
+  codes for styling if stdout isn't a TTY.
+
 ## 5.1.0
 
 - [joyent/node-triton#182] Add `-y, --yes` options to `triton profile create`

lib/common.js

@@ -851,6 +851,18 @@ function ansiStylize(str, color) {
 }
 
 
+/*
+ * Style the given string with ANSI style codes *if stdout is a TTY*.
+ */
+function ansiStylizeTty(str, color) {
+    if (!process.stdout.isTTY) {
+        return str;
+    } else {
+        return ansiStylize(str, color);
+    }
+}
+
+
 function indent(s, indentation) {
     if (!indentation) {
         indentation = '    ';
@@ -1096,6 +1108,7 @@ module.exports = {
     cliSetupTritonApi: cliSetupTritonApi,
     editInEditor: editInEditor,
     ansiStylize: ansiStylize,
+    ansiStylizeTty: ansiStylizeTty,
     indent: indent,
     chomp: chomp,
     generatePassword: generatePassword,

lib/do_profile/do_create.js

@@ -357,7 +357,7 @@ function _createProfile(opts, cb) {
                 return;
             }
 
-            console.log(common.ansiStylize('\n\n# Docker setup\n', 'bold'));
+            console.log(common.ansiStylizeTty('\n\n# Docker setup\n', 'bold'));
             console.log(wrap80('This section will setup authentication to ' +
                 'Triton DataCenter\'s Docker endpoint using your account ' +
                 'and key information specified above. This is only required ' +