From 963e1e756982d2b44e265e78092a1df990ccde3f Mon Sep 17 00:00:00 2001
From: Damian Pieczynski <piecyk@gmail.com>
Date: Fri, 23 Oct 2020 09:08:03 +0200
Subject: [PATCH] fix: compiler.options can be undefined in webpack 4

---
 packages/webpack-cli/lib/webpack-cli.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/webpack-cli/lib/webpack-cli.js b/packages/webpack-cli/lib/webpack-cli.js
index e2b329d50b1..9afb777a51b 100644
--- a/packages/webpack-cli/lib/webpack-cli.js
+++ b/packages/webpack-cli/lib/webpack-cli.js
@@ -299,9 +299,11 @@ class WebpackCLI extends GroupHelper {
                 return stats;
             };
 
+            const getStatsOptionsFromCompiler = (compiler) => getStatsOptions(compiler.options ? compiler.options.stats : undefined);
+
             const foundStats = compiler.compilers
-                ? { children: compiler.compilers.map((compiler) => getStatsOptions(compiler.options.stats)) }
-                : getStatsOptions(compiler.options.stats);
+                ? { children: compiler.compilers.map(getStatsOptionsFromCompiler) }
+                : getStatsOptionsFromCompiler(compiler);
 
             if (outputOptions.json === true) {
                 process.stdout.write(JSON.stringify(stats.toJson(foundStats), null, 2) + '\n');