From 1b1676cecc855895d683d3a4d6efa4589a1bcd67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20S=C3=B8rensen?= <joasoe@gmail.com>
Date: Tue, 15 Jun 2021 15:34:15 +0200
Subject: [PATCH] Use poll for webpack for WSL (#9425)

---
 build-scripts/gulp/webpack.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/build-scripts/gulp/webpack.js b/build-scripts/gulp/webpack.js
index 2db685721f..6f0c450fac 100644
--- a/build-scripts/gulp/webpack.js
+++ b/build-scripts/gulp/webpack.js
@@ -1,4 +1,5 @@
 // Tasks to run webpack.
+const fs = require("fs");
 const gulp = require("gulp");
 const webpack = require("webpack");
 const WebpackDevServer = require("webpack-dev-server");
@@ -18,6 +19,11 @@ const bothBuilds = (createConfigFunc, params) => [
   createConfigFunc({ ...params, latestBuild: false }),
 ];
 
+const isWsl = fs
+  .readFileSync("/proc/version", "utf-8")
+  .toLocaleLowerCase()
+  .includes("microsoft");
+
 /**
  * @param {{
  *   compiler: import("webpack").Compiler,
@@ -79,7 +85,7 @@ const prodBuild = (conf) =>
 gulp.task("webpack-watch-app", () => {
   // This command will run forever because we don't close compiler
   webpack(createAppConfig({ isProdBuild: false, latestBuild: true })).watch(
-    { ignored: /build-translations/ },
+    { ignored: /build-translations/, poll: isWsl },
     doneHandler()
   );
   gulp.watch(
@@ -137,7 +143,7 @@ gulp.task("webpack-watch-hassio", () => {
       isProdBuild: false,
       latestBuild: true,
     })
-  ).watch({ ignored: /build-translations/ }, doneHandler());
+  ).watch({ ignored: /build-translations/, poll: isWsl }, doneHandler());
 
   gulp.watch(
     path.join(paths.translations_src, "en.json"),