fix(ssr): avoid ast.helpers duplication (#6664)

antfu · web-flow · commit 57ffc3e54639 · 2022-09-27T05:06:24.000-04:00
diff --git a/packages/compiler-ssr/src/ssrCodegenTransform.ts b/packages/compiler-ssr/src/ssrCodegenTransform.ts
@@ -48,9 +48,10 @@ export function ssrCodegenTransform(ast: RootNode, options: CompilerOptions) {
     context.body.push(
       createCompoundExpression([`const _cssVars = { style: `, varsExp, `}`])
     )
-    Array.from(cssContext.helpers.keys()).forEach(helper =>
-      ast.helpers.push(helper)
-    )
+    Array.from(cssContext.helpers.keys()).forEach(helper => {
+      if (!ast.helpers.includes(helper))
+        ast.helpers.push(helper)
+    })
   }
 
   const isFragment =

Original file line number	Diff line number	Diff line change
`@@ -48,9 +48,10 @@ export function ssrCodegenTransform(ast: RootNode, options: CompilerOptions) {`
`48`	`48`	`context.body.push(`
`49`	`49`	createCompoundExpression([`const _cssVars = { style: `, varsExp, `}`])
`50`	`50`	`)`
`51`		`- Array.from(cssContext.helpers.keys()).forEach(helper =>`
`52`		`- ast.helpers.push(helper)`
`53`		`- )`
	`51`	`+ Array.from(cssContext.helpers.keys()).forEach(helper => {`
	`52`	`+ if (!ast.helpers.includes(helper))`
	`53`	`+ ast.helpers.push(helper)`
	`54`	`+ })`
`54`	`55`	`}`
`55`	`56`
`56`	`57`	`const isFragment =`