Add support for existing Sass source maps in *.scss files

Whilst not strictly necessary, packaged Sass files in GOV.UK Frontend are processed by PostCSS + Autoprefixer so we should reflect this when inspecting original sources in the browser
alphagov · Sep 14, 2023 · 0832c38 · 0832c38
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commit 0832c38
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diff --git a/lib/build.js b/lib/build.js
@@ -198,6 +198,7 @@ function _generateCssSync (sassPath, cssPath, options = {}) {
         quietDeps: true,
         loadPaths: [projectDir],
         sourceMap: true,
+        sourceMapIncludeSources: true,
         style: 'expanded'
       })
 

diff --git a/lib/errorServer.js b/lib/errorServer.js
@@ -28,6 +28,7 @@ function runErrorServer (error) {
     css: 'text/css',
     ico: 'image/x-icon',
     js: 'text/javascript',
+    map: 'application/json',
     mjs: 'text/javascript',
     png: 'image/png',
     svg: 'image/svg+xml',