From d070ab678f89dc9f19b32d83e4e3f7110d2e5291 Mon Sep 17 00:00:00 2001
From: baiwusanyu-c <740132583@qq.com>
Date: Fri, 6 Jan 2023 14:06:42 +0800
Subject: [PATCH 1/5] fix(runtime-dom): undefined cssvars should not be bound
 to the element

---
 packages/runtime-dom/src/helpers/useCssVars.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-dom/src/helpers/useCssVars.ts b/packages/runtime-dom/src/helpers/useCssVars.ts
index 4bd9838ba75..f8f6422c3b0 100644
--- a/packages/runtime-dom/src/helpers/useCssVars.ts
+++ b/packages/runtime-dom/src/helpers/useCssVars.ts
@@ -82,8 +82,10 @@ function setVarsOnNode(el: Node, vars: Record<string, string>) {
     const style = (el as HTMLElement).style
     let cssText = ''
     for (const key in vars) {
-      style.setProperty(`--${key}`, vars[key])
-      cssText += `--${key}: ${vars[key]};`
+      if(vars[key]){
+        style.setProperty(`--${key}`, vars[key])
+        cssText += `--${key}: ${vars[key]};`
+     }
     }
     ;(style as any)[CSS_VAR_TEXT] = cssText
   }

From 3bc3412e7791d940496a83a9a88813a5a5880454 Mon Sep 17 00:00:00 2001
From: baiwusanyu <740132583@qq.com>
Date: Fri, 6 Jan 2023 23:35:51 +0800
Subject: [PATCH 2/5] fix(runtime-core): update code

---
 packages/runtime-dom/src/helpers/useCssVars.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-dom/src/helpers/useCssVars.ts b/packages/runtime-dom/src/helpers/useCssVars.ts
index f8f6422c3b0..f3409b28193 100644
--- a/packages/runtime-dom/src/helpers/useCssVars.ts
+++ b/packages/runtime-dom/src/helpers/useCssVars.ts
@@ -82,7 +82,7 @@ function setVarsOnNode(el: Node, vars: Record<string, string>) {
     const style = (el as HTMLElement).style
     let cssText = ''
     for (const key in vars) {
-      if(vars[key]){
+      if (vars[key] || vars[key] === '') {
         style.setProperty(`--${key}`, vars[key])
         cssText += `--${key}: ${vars[key]};`
      }

From 91aa700b7228c9a05ed945522fec57b437c09aca Mon Sep 17 00:00:00 2001
From: baiwusanyu <740132583@qq.com>
Date: Sun, 8 Jan 2023 22:02:11 +0800
Subject: [PATCH 3/5] fix(runtime-core): update code

---
 packages/runtime-dom/src/helpers/useCssVars.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-dom/src/helpers/useCssVars.ts b/packages/runtime-dom/src/helpers/useCssVars.ts
index f3409b28193..838c5cded90 100644
--- a/packages/runtime-dom/src/helpers/useCssVars.ts
+++ b/packages/runtime-dom/src/helpers/useCssVars.ts
@@ -82,7 +82,7 @@ function setVarsOnNode(el: Node, vars: Record<string, string>) {
     const style = (el as HTMLElement).style
     let cssText = ''
     for (const key in vars) {
-      if (vars[key] || vars[key] === '') {
+      if (vars[key] !== undefined && vars[key] !== null) {
         style.setProperty(`--${key}`, vars[key])
         cssText += `--${key}: ${vars[key]};`
      }

From 88f0e09b293885e5dd21b1e10e62d31e8bf944eb Mon Sep 17 00:00:00 2001
From: baiwusanyu <740132583@qq.com>
Date: Mon, 9 Jan 2023 22:44:53 +0800
Subject: [PATCH 4/5] fix(runtime-core): update code

---
 packages/runtime-dom/src/helpers/useCssVars.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-dom/src/helpers/useCssVars.ts b/packages/runtime-dom/src/helpers/useCssVars.ts
index 838c5cded90..8f5519d474a 100644
--- a/packages/runtime-dom/src/helpers/useCssVars.ts
+++ b/packages/runtime-dom/src/helpers/useCssVars.ts
@@ -82,7 +82,7 @@ function setVarsOnNode(el: Node, vars: Record<string, string>) {
     const style = (el as HTMLElement).style
     let cssText = ''
     for (const key in vars) {
-      if (vars[key] !== undefined && vars[key] !== null) {
+      if (vars[key] != null) {
         style.setProperty(`--${key}`, vars[key])
         cssText += `--${key}: ${vars[key]};`
      }

From 6b36b865ddb134de2a92423c4deb714555f6e770 Mon Sep 17 00:00:00 2001
From: "autofix-ci[bot]" <114827586+autofix-ci[bot]@users.noreply.github.com>
Date: Tue, 19 Dec 2023 09:40:30 +0000
Subject: [PATCH 5/5] [autofix.ci] apply automated fixes

---
 packages/runtime-dom/src/helpers/useCssVars.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-dom/src/helpers/useCssVars.ts b/packages/runtime-dom/src/helpers/useCssVars.ts
index 8f5519d474a..c067f18dce5 100644
--- a/packages/runtime-dom/src/helpers/useCssVars.ts
+++ b/packages/runtime-dom/src/helpers/useCssVars.ts
@@ -85,7 +85,7 @@ function setVarsOnNode(el: Node, vars: Record<string, string>) {
       if (vars[key] != null) {
         style.setProperty(`--${key}`, vars[key])
         cssText += `--${key}: ${vars[key]};`
-     }
+      }
     }
     ;(style as any)[CSS_VAR_TEXT] = cssText
   }