diff --git a/src/core/base-plugin.ts b/src/core/base-plugin.ts
index 6deda5d..3265f31 100644
--- a/src/core/base-plugin.ts
+++ b/src/core/base-plugin.ts
@@ -21,11 +21,13 @@ export class BasePlugin {
 
   protected prepare({ assets }: Compilation) {
     Object.keys(assets).forEach((fileName) => {
-      if (isCSS(fileName) && this.isCurrentFileNeedsToBeInlined(fileName)) {
-        this.cssStyleCache[fileName] = assets[fileName].source()
+      if (isCSS(fileName) && !this.isCurrentFileNeedsToBeLinked(fileName)) {
+        if (isCSS(fileName) && this.isCurrentFileNeedsToBeInlined(fileName)) {
+          this.cssStyleCache[fileName] = assets[fileName].source()
 
-        if (!this.config.leaveCSSFile) {
-          delete assets[fileName]
+          if (!this.config.leaveCSSFile) {
+            delete assets[fileName]
+          }
         }
       }
     })
@@ -66,6 +68,14 @@ export class BasePlugin {
     }
   }
 
+  protected isCurrentFileNeedsToBeLinked(fileName: string): boolean {
+    if (typeof this.config.ignore === 'function') {
+      return this.config.ignore(fileName)
+    } else {
+      return true
+    }
+  }
+
   protected addStyle({
     html,
     htmlFileName,
diff --git a/src/types.ts b/src/types.ts
index 4b9660e..fea1d71 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -12,6 +12,7 @@ export const DEFAULT_REPLACE_CONFIG: ReplaceConfig = {
 
 export interface Config {
   filter?(fileName: string): boolean
+  ignore?(fileName: string): boolean
   leaveCSSFile?: boolean
   replace?: ReplaceConfig
 }