fix(compiler-sfc): duplicated injected css var with repeated vars in style (#2802)

2021-07-15 22:45:37 +02:00
parent b31712ecc5
commit 29010501cc
3 changed files with 44 additions and 1 deletions
--- a/packages/compiler-sfc/src/cssVars.ts
+++ b/packages/compiler-sfc/src/cssVars.ts
@@ -37,7 +37,10 @@ export function parseCssVars(sfc: SFCDescriptor): string[] {
  sfc.styles.forEach(style => {
    let match
    while ((match = cssVarRE.exec(style.content))) {
-      vars.push(match[1] || match[2] || match[3])
+      const variable = match[1] || match[2] || match[3]
+      if (!vars.includes(variable)) {
+        vars.push(variable)
+      }
    }
  })
  return vars