Merge branch 'task/GH-171-support-css-that-is-forwards-compatible' in…

…to milestone/10-frontera-redesign-phase-0
TACC · Mar 30, 2021 · f5e4835 · f5e4835
2 parents cade0e8 + ec0e194
commit f5e4835
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diff --git a/conf/css/postcss.config.js b/conf/css/postcss.config.js
@@ -17,8 +17,21 @@ module.exports = {
       filter: path => ! RegExp('^/static').test(path)
     }),
     require('postcss-extend')(),
+    require('postcss-preset-env')({
+      // SEE: https://github.com/csstools/postcss-preset-env#features
+      stage: false,
+      // SEE: https://github.com/csstools/postcss-preset-env/blob/master/src/lib/plugins-by-id.js#L35
+      features: {
+        'custom-media-queries': true
+      }
+    }),
     require('cssnano')({
-      preset: 'default'
+      preset: ['default', {
+        // Disabled to avoid sweeping bad CSS under the rug
+        // NOTE: Also fixes comparability in tests by retaining expectation code
+        discardDuplicates: { exclude: true },
+        mergeRules: { exclude: true },
+      }]
     })
   ]
 }