refactor: fix types (#232)

Author: alexander-akait

package-lock.json

@@ -116,7 +116,7 @@
     "standard-version": "^9.5.0",
     "sugarss": "^4.0.1",
     "typescript": "^5.0.4",
-    "webpack": "^5.81.0"
+    "webpack": "^5.83.1"
   },
   "keywords": [
     "cssnano",

package.json

@@ -114,7 +114,8 @@ const { minify: minifyWorker } = require("./minify");
 
 /** @typedef {undefined | boolean | number} Parallel */
 
-/** @typedef {string | RegExp | string[] | RegExp[]} Rule */
+/** @typedef {RegExp | string} Rule */
+/** @typedef {Rule[] | Rule} Rules */
 
 /** @typedef {(warning: Warning | WarningObject | string, file: string, source?: string) => boolean} WarningsFilter */
 

src/index.js

@@ -97,6 +97,7 @@ declare namespace CssMinimizerPlugin {
     InternalResult,
     Parallel,
     Rule,
+    Rules,
     WarningsFilter,
     BasePluginOptions,
     MinimizerWorker,
@@ -213,7 +214,8 @@ type InternalResult = {
   errors: Array<Error | ErrorObject | string>;
 };
 type Parallel = undefined | boolean | number;
-type Rule = string | RegExp | string[] | RegExp[];
+type Rule = RegExp | string;
+type Rules = Rule[] | Rule;
 type WarningsFilter = (
   warning: Warning | WarningObject | string,
   file: string,