rename USED to STATIC

Author: RobinMalfait

packages/tailwindcss/src/ast.ts

@@ -393,7 +393,7 @@ export function optimizeAst(ast: AstNode[], designSystem: DesignSystem) {
   next: for (let [parent, declarations] of cssThemeVariables) {
     for (let declaration of declarations) {
       let options = designSystem.theme.getOptions(declaration.property)
-      if (options & ThemeOptions.USED) continue
+      if (options & ThemeOptions.STATIC) continue
 
       // Remove the declaration (from its parent)
       let idx = parent.indexOf(declaration)

packages/tailwindcss/src/theme.ts

@@ -6,7 +6,7 @@ export const enum ThemeOptions {
   INLINE = 1 << 0,
   REFERENCE = 1 << 1,
   DEFAULT = 1 << 2,
-  USED = 1 << 3,
+  STATIC = 1 << 3,
 }
 
 // In the future we may want to replace this with just a `Set` of known theme
@@ -186,7 +186,7 @@ export class Theme {
     let key = unescape(this.#unprefixKey(themeKey))
     let value = this.values.get(key)
     if (!value) return
-    value.options |= ThemeOptions.USED
+    value.options |= ThemeOptions.STATIC
   }
 
   resolve(candidateValue: string | null, themeKeys: ThemeKey[]): string | null {