merge arrays in config (#2006)

FredKSchott · Dec 18, 2020 · 6d35838 · 6d35838
1 parent 4b182b4
commit 6d35838
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/snowpack/src/config.ts b/snowpack/src/config.ts
@@ -898,7 +898,7 @@ export function createConfiguration(
     return [validationErrors, undefined];
   }
   const mergedConfig = merge<SnowpackUserConfig>([DEFAULT_CONFIG, config], {
-    isMergeableObject: isPlainObject,
+    isMergeableObject: (val) => isPlainObject(val) || Array.isArray(val),
   });
   return [null, normalizeConfig(mergedConfig)];
 }
@@ -1006,7 +1006,7 @@ export function loadConfigurationForCLI(flags: CLIFlags, pkgManifest: any): Snow
       cliConfig as any,
     ],
     {
-      isMergeableObject: isPlainObject,
+    isMergeableObject: (val) => isPlainObject(val) || Array.isArray(val),
     },
   );
 

diff --git a/test/build/config-extends-plugins/snowpack.config.json b/test/build/config-extends-plugins/snowpack.config.json
@@ -6,5 +6,8 @@
   },
   "buildOptions": {
     "minify": false
-  }
+  },
+  "plugins": [
+    "@snowpack/plugin-sass"
+  ]
 }