chore: update rspack 1.6.5

package.json

@@ -142,7 +142,7 @@
     "@next/third-parties": "workspace:*",
     "@opentelemetry/api": "1.4.1",
     "@picocss/pico": "1.5.10",
-    "@rspack/core": "1.6.0",
+    "@rspack/core": "1.6.7",
     "@slack/web-api": "7.9.1",
     "@swc/cli": "0.1.55",
     "@swc/core": "1.11.24",

packages/next-rspack/package.json

@@ -7,6 +7,6 @@
   },
   "types": "index.d.ts",
   "dependencies": {
-    "@next/rspack-core": "1.0.1"
+    "@next/rspack-core": "npm:@next-rspack/core@1.0.1-beta.4"
   }
 }

packages/next/package.json

@@ -170,7 +170,7 @@
     "@next/swc": "16.1.0-canary.16",
     "@opentelemetry/api": "1.6.0",
     "@playwright/test": "1.51.1",
-    "@rspack/core": "1.6.0",
+    "@rspack/core": "1.6.7",
     "@storybook/addon-a11y": "8.6.0",
     "@storybook/addon-essentials": "8.6.0",
     "@storybook/addon-interactions": "8.6.0",

packages/next/src/build/webpack-config.ts

@@ -2263,6 +2263,15 @@ export default async function getBaseWebpackConfig(
   if (isRspack) {
     // The layers experiment is now stable in Rspack
     delete webpack5Config.experiments!.layers
+
+    if (!webpack5Config.node) {
+      webpack5Config.node = {}
+    }
+    // NOTE: Rspack's defaults differ from webpack.
+    if (isClient || isEdgeServer) {
+      webpack5Config.node.__dirname = 'mock'
+      webpack5Config.node.__filename = 'mock'
+    }
   }
 
   webpack5Config.module!.parser = {

packages/next/src/shared/lib/format-webpack-messages.ts

@@ -59,6 +59,18 @@ function formatMessage(
       body = body.slice(0, breakingChangeIndex)
     }
 
+    // TODO: Rspack currently doesn't populate moduleName correctly in some cases,
+    // fall back to moduleIdentifier as a workaround
+    if (
+      process.env.NEXT_RSPACK &&
+      !message.moduleName &&
+      !message.file &&
+      message.moduleIdentifier
+    ) {
+      const parts = message.moduleIdentifier.split('!')
+      message.moduleName = parts[parts.length - 1]
+    }
+
     message =
       (message.moduleName ? stripAnsi(message.moduleName) + '\n' : '') +
       (message.file ? stripAnsi(message.file) + '\n' : '') +