diff --git a/README.md b/README.md
index 7a01bc5..f6fb3bb 100644
--- a/README.md
+++ b/README.md
@@ -381,7 +381,10 @@ module.exports = {
 Type:
 
 ```ts
-type deleteOriginalAssets = boolean | "keep-source-map";
+type deleteOriginalAssets =
+  | boolean
+  | "keep-source-map"
+  | ((name: string) => boolean);
 ```
 
 Default: `false`
@@ -400,7 +403,7 @@ module.exports = {
 };
 ```
 
-To exclude sourcemaps from compression
+To exclude sourcemaps from compression:
 
 ```js
 module.exports = {
@@ -413,6 +416,25 @@ module.exports = {
 };
 ```
 
+Using a custom function:
+
+```js
+module.exports = {
+  plugins: [
+    new CompressionPlugin({
+      exclude: /.map$/,
+      deleteOriginalAssets: (name) => {
+        if (/\.js$/.test(name)) {
+          return false;
+        }
+
+        return true;
+      },
+    }),
+  ],
+};
+```
+
 ## Examples
 
 ### Using Zopfli
diff --git a/src/index.js b/src/index.js
index 4e2c0ae..848d359 100644
--- a/src/index.js
+++ b/src/index.js
@@ -58,7 +58,7 @@ const schema = require("./options.json");
  */
 
 /**
- * @typedef {boolean | "keep-source-map"} DeleteOriginalAssets
+ * @typedef {boolean | "keep-source-map" | ((name: string) => boolean)} DeleteOriginalAssets
  */
 
 /**
@@ -378,9 +378,17 @@ class CompressionPlugin {
                 // @ts-ignore
                 related: { sourceMap: null },
               });
-            }
 
-            compilation.deleteAsset(name);
+              compilation.deleteAsset(name);
+            } else if (
+              typeof this.options.deleteOriginalAssets === "function"
+            ) {
+              if (this.options.deleteOriginalAssets(name)) {
+                compilation.deleteAsset(name);
+              }
+            } else {
+              compilation.deleteAsset(name);
+            }
           } else {
             compilation.updateAsset(name, source, {
               related: { [relatedName]: newFilename },
diff --git a/src/options.json b/src/options.json
index ba0c91e..25fe9ca 100644
--- a/src/options.json
+++ b/src/options.json
@@ -98,6 +98,9 @@
         {
           "type": "boolean"
         },
+        {
+          "instanceof": "Function"
+        },
         {
           "enum": ["keep-source-map"]
         }
diff --git a/test/CompressionPlugin.test.js b/test/CompressionPlugin.test.js
index b12556e..f704a40 100644
--- a/test/CompressionPlugin.test.js
+++ b/test/CompressionPlugin.test.js
@@ -25,8 +25,8 @@ describe("CompressionPlugin", () => {
       {
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
       },
     );
@@ -48,8 +48,8 @@ describe("CompressionPlugin", () => {
         devtool: "source-map",
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
       },
     );
@@ -72,8 +72,8 @@ describe("CompressionPlugin", () => {
       {
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
         module: {
           rules: [
@@ -119,8 +119,8 @@ describe("CompressionPlugin", () => {
       {
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
       },
     );
@@ -484,8 +484,8 @@ describe("CompressionPlugin", () => {
       {
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
       },
     );
@@ -508,8 +508,8 @@ describe("CompressionPlugin", () => {
       {
         output: {
           path: `${__dirname}/dist`,
-          filename: "[name].js?var=[hash]",
-          chunkFilename: "[id].[name].js?ver=[hash]",
+          filename: "[name].js?var=[contenthash]",
+          chunkFilename: "[id].[name].js?ver=[contenthash]",
         },
       },
     );
diff --git a/test/__snapshots__/CompressionPlugin.test.js.snap b/test/__snapshots__/CompressionPlugin.test.js.snap
index 3b573e3..6a3dffb 100644
--- a/test/__snapshots__/CompressionPlugin.test.js.snap
+++ b/test/__snapshots__/CompressionPlugin.test.js.snap
@@ -1319,10 +1319,10 @@ exports[`CompressionPlugin should work child compilations: assets 1`] = `
     },
   ],
   [
-    "async.async.js?ver=59fa7d38343840d3f6ca",
+    "async.async.js?ver=cd3aed5809a2faa4eb5a",
     194,
     {
-      "fullhash": "59fa7d38343840d3f6ca",
+      "contenthash": "cd3aed5809a2faa4eb5a",
       "immutable": true,
       "javascriptModule": false,
       "related": {
@@ -1352,24 +1352,24 @@ exports[`CompressionPlugin should work child compilations: assets 1`] = `
   ],
   [
     "main.js.gz",
-    4042,
+    4018,
     {
       "compressed": true,
       "immutable": true,
-      "size": 4042,
+      "size": 4018,
     },
   ],
   [
-    "main.js?var=59fa7d38343840d3f6ca",
-    16258,
+    "main.js?var=87e4bf99b728fffc08a0",
+    16101,
     {
-      "fullhash": "59fa7d38343840d3f6ca",
+      "contenthash": "87e4bf99b728fffc08a0",
       "immutable": true,
       "javascriptModule": false,
       "related": {
         "gzipped": "main.js.gz",
       },
-      "size": 16258,
+      "size": 16101,
     },
   ],
 ]
@@ -1511,10 +1511,10 @@ exports[`CompressionPlugin should work with assets info: assets 1`] = `
     },
   ],
   [
-    "async.async.js?ver=e30bb673a67a1e8f00d2",
+    "async.async.js?ver=ff0ad4032ae148f14da4",
     194,
     {
-      "fullhash": "e30bb673a67a1e8f00d2",
+      "contenthash": "ff0ad4032ae148f14da4",
       "immutable": true,
       "javascriptModule": false,
       "related": {
@@ -1544,44 +1544,44 @@ exports[`CompressionPlugin should work with assets info: assets 1`] = `
   ],
   [
     "main.js.gz",
-    4078,
+    4070,
     {
       "compressed": true,
       "immutable": true,
-      "size": 4078,
+      "size": 4070,
     },
   ],
   [
     "main.js.map.gz",
-    4164,
+    4158,
     {
       "compressed": true,
-      "size": 4164,
+      "size": 4158,
     },
   ],
   [
-    "main.js.map?var=e30bb673a67a1e8f00d2",
-    13212,
+    "main.js.map?var=73bfdc1831ffc69a2d3f",
+    13104,
     {
       "development": true,
       "related": {
         "gzipped": "main.js.map.gz",
       },
-      "size": 13212,
+      "size": 13104,
     },
   ],
   [
-    "main.js?var=e30bb673a67a1e8f00d2",
-    16319,
+    "main.js?var=73bfdc1831ffc69a2d3f",
+    16162,
     {
-      "fullhash": "e30bb673a67a1e8f00d2",
+      "contenthash": "73bfdc1831ffc69a2d3f",
       "immutable": true,
       "javascriptModule": false,
       "related": {
         "gzipped": "main.js.gz",
-        "sourceMap": "main.js.map?var=e30bb673a67a1e8f00d2",
+        "sourceMap": "main.js.map?var=73bfdc1831ffc69a2d3f",
       },
-      "size": 16319,
+      "size": 16162,
     },
   ],
 ]
@@ -1712,10 +1712,10 @@ exports[`CompressionPlugin should work with multiple plugins: assets 1`] = `
     },
   ],
   [
-    "async.async.js?ver=5bff95cff1ab52803d05",
+    "async.async.js?ver=cd3aed5809a2faa4eb5a",
     194,
     {
-      "fullhash": "5bff95cff1ab52803d05",
+      "contenthash": "cd3aed5809a2faa4eb5a",
       "immutable": true,
       "javascriptModule": false,
       "related": {
@@ -1729,45 +1729,45 @@ exports[`CompressionPlugin should work with multiple plugins: assets 1`] = `
   ],
   [
     "main.js.br",
-    3538,
+    3514,
     {
       "compressed": true,
       "immutable": true,
-      "size": 3538,
+      "size": 3514,
     },
   ],
   [
     "main.js.compress",
-    16261,
+    16104,
     {
       "compressed": true,
       "immutable": true,
-      "size": 16261,
+      "size": 16104,
     },
   ],
   [
     "main.js.custom?foo=bar#hash",
-    16261,
+    16104,
     {
       "compressed": true,
       "immutable": true,
-      "size": 16261,
+      "size": 16104,
     },
   ],
   [
     "main.js.gz",
-    4045,
+    4021,
     {
       "compressed": true,
       "immutable": true,
-      "size": 4045,
+      "size": 4021,
     },
   ],
   [
-    "main.js?var=5bff95cff1ab52803d05",
-    16261,
+    "main.js?var=6d8b5bc920f6f6bff225",
+    16104,
     {
-      "fullhash": "5bff95cff1ab52803d05",
+      "contenthash": "6d8b5bc920f6f6bff225",
       "immutable": true,
       "javascriptModule": false,
       "related": {
@@ -1776,7 +1776,7 @@ exports[`CompressionPlugin should work with multiple plugins: assets 1`] = `
         "customed": "main.js.custom?foo=bar#hash",
         "gzipped": "main.js.gz",
       },
-      "size": 16261,
+      "size": 16104,
     },
   ],
 ]
@@ -1828,10 +1828,10 @@ exports[`CompressionPlugin should work: assets 1`] = `
     },
   ],
   [
-    "async.async.js?ver=5bff95cff1ab52803d05",
+    "async.async.js?ver=cd3aed5809a2faa4eb5a",
     194,
     {
-      "fullhash": "5bff95cff1ab52803d05",
+      "contenthash": "cd3aed5809a2faa4eb5a",
       "immutable": true,
       "javascriptModule": false,
       "related": {
@@ -1842,24 +1842,24 @@ exports[`CompressionPlugin should work: assets 1`] = `
   ],
   [
     "main.js.gz",
-    4045,
+    4021,
     {
       "compressed": true,
       "immutable": true,
-      "size": 4045,
+      "size": 4021,
     },
   ],
   [
-    "main.js?var=5bff95cff1ab52803d05",
-    16261,
+    "main.js?var=6d8b5bc920f6f6bff225",
+    16104,
     {
-      "fullhash": "5bff95cff1ab52803d05",
+      "contenthash": "6d8b5bc920f6f6bff225",
       "immutable": true,
       "javascriptModule": false,
       "related": {
         "gzipped": "main.js.gz",
       },
-      "size": 16261,
+      "size": 16104,
     },
   ],
 ]
diff --git a/test/__snapshots__/deleteOriginalAssets.test.js.snap b/test/__snapshots__/deleteOriginalAssets.test.js.snap
index 62db185..a20c894 100644
--- a/test/__snapshots__/deleteOriginalAssets.test.js.snap
+++ b/test/__snapshots__/deleteOriginalAssets.test.js.snap
@@ -53,6 +53,69 @@ exports[`"deleteOriginalAssets" option should delete original assets and keep so
 
 exports[`"deleteOriginalAssets" option should delete original assets and keep source maps with option "keep-source-map": warnings 1`] = `[]`;
 
+exports[`"deleteOriginalAssets" option should work and delete original assets when function used : assets 1`] = `
+[
+  [
+    "09a1a1112c577c2794359715edfcb5ac.png",
+    78117,
+    {
+      "immutable": true,
+      "size": 78117,
+      "sourceFilename": "icon.png",
+    },
+  ],
+  [
+    "09a1a1112c577c2794359715edfcb5ac.png.gz",
+    73507,
+    {
+      "compressed": true,
+      "immutable": true,
+      "size": 73507,
+    },
+  ],
+  [
+    "23fc1d3ac606d117e05a140e0de79806.svg",
+    672,
+    {
+      "immutable": true,
+      "size": 672,
+      "sourceFilename": "icon.svg",
+    },
+  ],
+  [
+    "23fc1d3ac606d117e05a140e0de79806.svg.gz",
+    390,
+    {
+      "compressed": true,
+      "immutable": true,
+      "size": 390,
+    },
+  ],
+  [
+    "async.async.55e6e9a872bcc7d4b226.js.gz",
+    136,
+    {
+      "compressed": true,
+      "immutable": true,
+      "size": 136,
+    },
+  ],
+  [
+    "main.3d33e8cae1a5b505b55e.js.gz",
+    4019,
+    {
+      "compressed": true,
+      "immutable": true,
+      "size": 4019,
+    },
+  ],
+]
+`;
+
+exports[`"deleteOriginalAssets" option should work and delete original assets when function used : errors 1`] = `[]`;
+
+exports[`"deleteOriginalAssets" option should work and delete original assets when function used : warnings 1`] = `[]`;
+
 exports[`"deleteOriginalAssets" option should work and delete original assets: assets 1`] = `
 [
   [
diff --git a/test/__snapshots__/validate-options.test.js.snap b/test/__snapshots__/validate-options.test.js.snap
index 30546c3..0a39f8b 100644
--- a/test/__snapshots__/validate-options.test.js.snap
+++ b/test/__snapshots__/validate-options.test.js.snap
@@ -22,22 +22,24 @@ exports[`validate options should throw an error on the "compressionOptions" opti
 exports[`validate options should throw an error on the "deleteOriginalAssets" option with "true" value 1`] = `
 "Invalid options object. Compression Plugin has been initialized using an options object that does not match the API schema.
  - options.deleteOriginalAssets should be one of these:
-   boolean | "keep-source-map"
+   boolean | function | "keep-source-map"
    -> Whether to delete the original assets or not.
    -> Read more at https://github.com/webpack-contrib/compression-webpack-plugin/#deleteoriginalassets
    Details:
     * options.deleteOriginalAssets should be a boolean.
+    * options.deleteOriginalAssets should be an instance of function.
     * options.deleteOriginalAssets should be "keep-source-map"."
 `;
 
 exports[`validate options should throw an error on the "deleteOriginalAssets" option with "unknown" value 1`] = `
 "Invalid options object. Compression Plugin has been initialized using an options object that does not match the API schema.
  - options.deleteOriginalAssets should be one of these:
-   boolean | "keep-source-map"
+   boolean | function | "keep-source-map"
    -> Whether to delete the original assets or not.
    -> Read more at https://github.com/webpack-contrib/compression-webpack-plugin/#deleteoriginalassets
    Details:
     * options.deleteOriginalAssets should be a boolean.
+    * options.deleteOriginalAssets should be an instance of function.
     * options.deleteOriginalAssets should be "keep-source-map"."
 `;
 
diff --git a/test/deleteOriginalAssets.test.js b/test/deleteOriginalAssets.test.js
index a382809..b8687f1 100644
--- a/test/deleteOriginalAssets.test.js
+++ b/test/deleteOriginalAssets.test.js
@@ -53,6 +53,25 @@ describe('"deleteOriginalAssets" option', () => {
     expect(getErrors(stats)).toMatchSnapshot("errors");
   });
 
+  it("should work and delete original assets when function used ", async () => {
+    new CompressionPlugin({
+      minRatio: 1,
+      deleteOriginalAssets: (name) => {
+        if (/\.js$/.test(name)) {
+          return true;
+        }
+
+        return false;
+      },
+    }).apply(compiler);
+
+    const stats = await compile(compiler);
+
+    expect(getAssetsNameAndSize(stats, compiler)).toMatchSnapshot("assets");
+    expect(getWarnings(stats)).toMatchSnapshot("warnings");
+    expect(getErrors(stats)).toMatchSnapshot("errors");
+  });
+
   it("should work and report errors on duplicate assets", async () => {
     compiler = getCompiler("./entry.js");
 
diff --git a/test/validate-options.test.js b/test/validate-options.test.js
index 174cdac..3da9177 100644
--- a/test/validate-options.test.js
+++ b/test/validate-options.test.js
@@ -56,7 +56,7 @@ describe("validate options", () => {
       failure: ["0.8"],
     },
     deleteOriginalAssets: {
-      success: [true, false, "keep-source-map"],
+      success: [true, false, "keep-source-map", () => true],
       failure: ["true", "unknown"],
     },
     unknown: {
diff --git a/types/index.d.ts b/types/index.d.ts
index 09ab8c0..52f9847 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -38,7 +38,7 @@ export = CompressionPlugin;
  * @typedef {string | ((fileData: PathData) => string)} Filename
  */
 /**
- * @typedef {boolean | "keep-source-map"} DeleteOriginalAssets
+ * @typedef {boolean | "keep-source-map" | ((name: string) => boolean)} DeleteOriginalAssets
  */
 /**
  * @template T
@@ -180,7 +180,10 @@ type PathData = {
   [key: string]: any;
 };
 type Filename = string | ((fileData: PathData) => string);
-type DeleteOriginalAssets = boolean | "keep-source-map";
+type DeleteOriginalAssets =
+  | boolean
+  | "keep-source-map"
+  | ((name: string) => boolean);
 type BasePluginOptions<T> = {
   test?: Rules | undefined;
   include?: Rules | undefined;