@@ -2,13 +2,6 @@
   "name": "unplugin-replace",
   "type": "module",
   "version": "0.9.0",
-  "devEngines": {
-    "packageManager": {
-      "name": "pnpm",
-      "version": "12.11.2",
-      "onFail": "download"
-    }
-  },
   "description": "A universal bundler plugin which replaces targeted strings in files.",
   "author": "Kevin Deng <sxzz@sxzz.moe>",
   "license": "MIT",
@@ -49,9 +42,17 @@
   "engines": {
     "node": "^22.18.0 || >=24.0.0"
   },
+  "devEngines": {
+    "packageManager": {
+      "name": "pnpm",
+      "version": "12.11.2",
+      "onFail": "download"
+    }
+  },
   "scripts": {
     "lint": "eslint --cache .",
     "lint:fix": "pnpm run lint --fix",
+    "format": "prettier --write .",
     "build": "tsdown",
     "dev": "tsdown --watch",
     "test": "vitest",
 
@@ -1,8 +1,7 @@
 import type { FilterPattern } from 'unplugin'
 
 export type Replacement =
-  | string
-  | ((id: string, match: RegExpExecArray) => string)
+  string | ((id: string, match: RegExpExecArray) => string)
 export type ReplaceItem<F = string | RegExp> = {
   find: F
   replacement: Replacement
 
@@ -105,7 +105,7 @@ const plugin: UnpluginInstance<Options | undefined, false> = createUnplugin<
     vite: {
       configResolved(config) {
         options.sourceMap =
-          config.command === 'build' ? !!config.build.sourcemap : true
+          config.command !== 'build' || !!config.build.sourcemap
       },
     },
   }
@@ -148,7 +148,7 @@ function longest(a: string, b: string) {
 }
 
 const objKeyRegEx =
-  /^([$A-Z_\u00A0-\uFFFF][\w$\u00A0-\uFFFF]*)(\.([$A-Z_\u00A0-\uFFFF][\w$\u00A0-\uFFFF]*))+$/i
+  /^([$A-Z_\u{A0}-\u{10FFFF}][\w$\u{A0}-\u{10FFFF}]*)(\.([$A-Z_\u{A0}-\u{10FFFF}][\w$\u{A0}-\u{10FFFF}]*))+$/iu
 function expandTypeofReplacements(values: ReplaceItem<string>[]) {
   values.forEach(({ find }) => {
     const objMatch = find.match(objKeyRegEx)