chore(repl): avoid duplicate formatter mounts (#10472)

baiwusanyu-c · web-flow · commit 23cd61423c12 · 2024-07-11T17:30:41.000+08:00
close #10466
diff --git a/packages/runtime-core/src/customFormatter.ts b/packages/runtime-core/src/customFormatter.ts
@@ -24,6 +24,7 @@ export function initCustomFormatter() {
   // custom formatter for Chrome
   // https://www.mattzeunert.com/2016/02/19/custom-chrome-devtools-object-formatters.html
   const formatter = {
+    __vue_custom_formatter: true,
     header(obj: unknown) {
       // TODO also format ComponentPublicInstance & ctx.slots/attrs in setup
       if (!isObject(obj)) {
diff --git a/packages/sfc-playground/src/App.vue b/packages/sfc-playground/src/App.vue
@@ -129,7 +129,13 @@ onMounted(() => {
     :preview-options="{
       customCode: {
         importCode: `import { initCustomFormatter } from 'vue'`,
-        useCode: `initCustomFormatter()`,
+        useCode: `if (window.devtoolsFormatters) {
+    const index = window.devtoolsFormatters.findIndex((v) => v.__vue_custom_formatter)
+    window.devtoolsFormatters.splice(index, 1)
+    initCustomFormatter()
+  } else {
+    initCustomFormatter()
+  }`,
       },
     }"
   />
