From 0802aaae914ac72ad9e19ac04ffb88098d595d1c Mon Sep 17 00:00:00 2001
From: "J. Ryan Stinnett" <jryans@gmail.com>
Date: Sat, 19 Jan 2019 00:29:25 +0100
Subject: [PATCH] Convert slashes in public paths

---
 webpack.config.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/webpack.config.js b/webpack.config.js
index e02c105047..e44d70ec0c 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -69,7 +69,8 @@ module.exports = {
                                 // CSS image usages end up in the `bundles/[hash]` output
                                 // directory, so we adjust the final path to navigate up
                                 // twice.
-                                return path.join("../..", getImgOutputPath(url, resourcePath));
+                                const outputPath = getImgOutputPath(url, resourcePath);
+                                return toPublicPath(path.join("../..", outputPath));
                             },
                         },
                     },
@@ -198,3 +199,13 @@ function getImgOutputPath(url, resourcePath) {
     const outputDir = path.dirname(resourcePath).replace(prefix, "");
     return path.join(outputDir, path.basename(url));
 }
+
+/**
+ * Convert path to public path format, which always uses forward slashes, since it will
+ * be placed directly into things like CSS files.
+ *
+ * @param {string} path Some path to a file.
+ */
+function toPublicPath(path) {
+    return path.replace(/\\/g, '/');
+}