From decd4ff5ea73ba2706e4034f3a1f8e089c4cc31e Mon Sep 17 00:00:00 2001
From: Max Stoiber <contact@mxstbr.com>
Date: Wed, 4 Nov 2020 11:30:26 +0100
Subject: [PATCH] fix(gatsby-plugin-sass): fix default output style & allow
 unknown options (#27822)

---
 packages/gatsby-plugin-sass/src/__tests__/gatsby-node.js | 8 ++++++++
 packages/gatsby-plugin-sass/src/gatsby-node.js           | 3 +--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/gatsby-plugin-sass/src/__tests__/gatsby-node.js b/packages/gatsby-plugin-sass/src/__tests__/gatsby-node.js
index 7f96d5a1fad3e..ffca2e3e8dc4f 100644
--- a/packages/gatsby-plugin-sass/src/__tests__/gatsby-node.js
+++ b/packages/gatsby-plugin-sass/src/__tests__/gatsby-node.js
@@ -152,4 +152,12 @@ describe(`pluginOptionsSchema`, () => {
 
     expect(isValid).toBe(true)
   })
+
+  it(`should allow unknown options`, async () => {
+    const { isValid } = await testPluginOptionsSchema(pluginOptionsSchema, {
+      webpackImporter: `unknown option`,
+    })
+
+    expect(isValid).toBe(true)
+  })
 })
diff --git a/packages/gatsby-plugin-sass/src/gatsby-node.js b/packages/gatsby-plugin-sass/src/gatsby-node.js
index e5df5a9749eb4..cf5b8ae924da6 100644
--- a/packages/gatsby-plugin-sass/src/gatsby-node.js
+++ b/packages/gatsby-plugin-sass/src/gatsby-node.js
@@ -166,7 +166,6 @@ exports.pluginOptionsSchema = function ({ Joi }) {
       ),
     outputStyle: Joi.string()
       .valid(`nested`, `expanded`, `compact`, `compressed`)
-      .default(`nested`)
       .description(`Determines the output format of the final CSS style.`),
     precision: Joi.number()
       .default(5)
@@ -193,5 +192,5 @@ When typeof sourceMap === "string", the value of sourceMap will be used as the w
     sourceMapRoot: Joi.string().description(
       `the value will be emitted as sourceRoot in the source map information`
     ),
-  })
+  }).unknown(true)
 }