fix: properly interpret boolean values in define

ref vitejs/vite-plugin-vue@46d3d65

Author: sxzz

src/core/index.ts

@@ -274,22 +274,32 @@ export const plugin: UnpluginInstance<Options | undefined, false> =
         },
 
         config(config) {
+          const parseDefine = (v: unknown) => {
+            try {
+              return typeof v === 'string' ? JSON.parse(v) : v
+            } catch {
+              return v
+            }
+          }
+
           return {
             resolve: {
               dedupe: config.build?.ssr ? [] : ['vue'],
             },
             define: {
               __VUE_OPTIONS_API__:
                 options.value.features?.optionsAPI ??
-                config.define?.__VUE_OPTIONS_API__ ??
+                parseDefine(config.define?.__VUE_OPTIONS_API__) ??
                 true,
               __VUE_PROD_DEVTOOLS__:
                 (options.value.features?.prodDevtools ||
-                  config.define?.__VUE_PROD_DEVTOOLS__) ??
+                  parseDefine(config.define?.__VUE_PROD_DEVTOOLS__)) ??
                 false,
               __VUE_PROD_HYDRATION_MISMATCH_DETAILS__:
                 (options.value.features?.prodHydrationMismatchDetails ||
-                  config.define?.__VUE_PROD_HYDRATION_MISMATCH_DETAILS__) ??
+                  parseDefine(
+                    config.define?.__VUE_PROD_HYDRATION_MISMATCH_DETAILS__,
+                  )) ??
                 false,
             },
             ssr: {