Merge cf59b65 into 6deedd0

mozilla · Mar 7, 2018 · a31d973 · a31d973
2 parents 6deedd0 + cf59b65
commit a31d973
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/lib/convict.js b/lib/convict.js
@@ -635,7 +635,14 @@ let convict = function convict(def) {
         let output_err_bufs = [types_err_buf, missing_err_buf];
 
         if (options.allowed === ALLOWED_OPTION_WARN && params_err_buf.length) {
-          global.console.log('Warning: '+  params_err_buf);
+          let warning = 'Warning:';
+          if (process.stdout.isTTY) {
+            // Write 'Warning:' in bold and in yellow
+            const SET_BOLD_YELLOW_TEXT = '\x1b[33;1m';
+            const RESET_ALL_ATTRIBUTES = '\x1b[0m';
+            warning = SET_BOLD_YELLOW_TEXT + warning + RESET_ALL_ATTRIBUTES;
+          }
+          global.console.log(warning + ' ' + params_err_buf);
         } else if (options.allowed === ALLOWED_OPTION_STRICT) {
           output_err_bufs.push(params_err_buf);
         }