Remove duplicate variant + value pairs from completions

Author: thecrypticace

packages/tailwindcss-language-service/src/completionProvider.ts

@@ -169,6 +169,12 @@ export function completionsFromClassList(
           continue
         }
 
+        if (seenVariants.has(variant.name)) {
+          continue
+        }
+
+        seenVariants.add(variant.name)
+
         if (variant.isArbitrary) {
           items.push(
             variantItem({
@@ -229,6 +235,12 @@ export function completionsFromClassList(
             continue
           }
 
+          if (seenVariants.has(`${variant.name}-${value}`)) {
+            continue
+          }
+
+          seenVariants.add(`${variant.name}-${value}`)
+
           items.push(
             variantItem({
               label: