Disable colors for non-interactive output

Author: c0d3d

lib/compile.js

@@ -20,7 +20,7 @@ module.exports = {
 
         const compileOutputPaths = [];
         const consoleStats = this.webpackConfig.stats || _.get(this, 'webpackConfig[0].stats') || {
-          colors: true,
+          colors: require('tty').isatty(process.stdout.fd),
           hash: false,
           version: false,
           chunks: false,