fix: 🐛 replacer preprocessor options types

✅ Closes: #228

Author: kaisermann

Diff for: package.json

@@ -1,6 +1,6 @@
 {
   "name": "svelte-preprocess",
-  "version": "4.1.1",
+  "version": "4.1.2",
   "license": "MIT",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

Diff for: src/types/options.ts

@@ -81,5 +81,6 @@ export interface GlobalStyle {
 }
 
 export type Replace = Array<
-  [RegExp, string] | [RegExp, (substring: string, ...args: any[]) => string]
+  | [string | RegExp, string]
+  | [RegExp, (substring: string, ...args: any[]) => string]
 >;