diff --git a/types/script-ext-html-webpack-plugin/index.d.ts b/types/script-ext-html-webpack-plugin/index.d.ts
new file mode 100644
index 0000000000..636ac550e5
--- /dev/null
+++ b/types/script-ext-html-webpack-plugin/index.d.ts
@@ -0,0 +1,79 @@
+// Type definitions for script-ext-html-webpack-plugin 2.1
+// Project: https://github.com/numical/script-ext-html-webpack-plugin
+// Definitions by: Dave Cardwell <https://github.com/davecardwell>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+import { Plugin } from "webpack";
+
+export = ScriptExtHtmlWebpackPlugin;
+
+declare class ScriptExtHtmlWebpackPlugin extends Plugin {
+    constructor(options?: ScriptExtHtmlWebpackPlugin.Options);
+}
+
+type ScriptMatchingPatternBase =
+    | string
+    | RegExp
+    | ReadonlyArray<string | RegExp>;
+
+interface ScriptMatchingPatternHash {
+    test: ScriptMatchingPatternBase;
+}
+
+type ScriptMatchingPattern =
+    | ScriptMatchingPatternBase
+    | ScriptMatchingPatternHash;
+
+type ScriptMatchingPatternPre =
+    | ScriptMatchingPatternBase
+    | ScriptMatchingPatternHash & {
+          chunks?: "initial" | "async" | "all";
+      };
+
+interface Custom {
+    test: ScriptMatchingPattern;
+    attribute: string;
+    value?: string;
+}
+
+declare namespace ScriptExtHtmlWebpackPlugin {
+    interface Options {
+        /**
+         * scripts that should be inlined in the html (default: `[]`)
+         */
+        inline?: ScriptMatchingPattern;
+        /**
+         * script names that should have no attribute (default: `[]`)
+         */
+        sync?: ScriptMatchingPattern;
+        /**
+         * script names that should have an async attribute (default: `[]`)
+         */
+        async?: ScriptMatchingPattern;
+        /**
+         * script names that should have a defer attribute (default: `[]`)
+         */
+        defer?: ScriptMatchingPattern;
+        /**
+         * the default attribute to set - 'sync' actually results in no attribute (default: 'sync')
+         */
+        defaultAttribute?: "sync" | "async" | "defer";
+        /**
+         * script names that should have a type="module" attribute (default: `[]`)
+         */
+        module?: ScriptMatchingPattern;
+        /**
+         * scripts that should have accompanying preload resource hints (default: `[]`)
+         */
+        preload?: ScriptMatchingPatternPre;
+        /**
+         * scripts that should have accompanying prefetch resource hints (default: `[]`)
+         */
+        prefetch?: ScriptMatchingPatternPre;
+        /**
+         * scripts that should have a custom attribute(s) added, the attribute(s), and the value(s)
+         */
+        custom?: Custom | Custom[];
+    }
+}
diff --git a/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts b/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts
new file mode 100644
index 0000000000..84c42b2ae9
--- /dev/null
+++ b/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts
@@ -0,0 +1,112 @@
+import ScriptExtHtmlWebpackPlugin = require("script-ext-html-webpack-plugin");
+
+new ScriptExtHtmlWebpackPlugin();
+new ScriptExtHtmlWebpackPlugin({});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: "string",
+    sync: "string",
+    async: "string",
+    defer: "string",
+    module: "string",
+    preload: "string",
+    prefetch: "string"
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: ["array"],
+    sync: ["array"],
+    async: ["array"],
+    defer: ["array"],
+    module: ["array"],
+    preload: ["array"],
+    prefetch: ["array"]
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: /regexp/,
+    sync: /regexp/,
+    async: /regexp/,
+    defer: /regexp/,
+    module: /regexp/,
+    preload: /regexp/,
+    prefetch: /regexp/
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: { test: "string" },
+    sync: { test: "string" },
+    async: { test: "string" },
+    defer: { test: "string" },
+    module: { test: "string" },
+    preload: { test: "string" },
+    prefetch: { test: "string" }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: { test: ["array"] },
+    sync: { test: ["array"] },
+    async: { test: ["array"] },
+    defer: { test: ["array"] },
+    module: { test: ["array"] },
+    preload: { test: ["array"] },
+    prefetch: { test: ["array"] }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    inline: { test: /regexp/ },
+    sync: { test: /regexp/ },
+    async: { test: /regexp/ },
+    defer: { test: /regexp/ },
+    module: { test: /regexp/ },
+    preload: { test: /regexp/ },
+    prefetch: { test: /regexp/ }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    preload: { test: "string", chunks: "initial" },
+    prefetch: { test: "string", chunks: "initial" }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    preload: { test: "string", chunks: "async" },
+    prefetch: { test: "string", chunks: "async" }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    preload: { test: "string", chunks: "all" },
+    prefetch: { test: "string", chunks: "all" }
+});
+
+new ScriptExtHtmlWebpackPlugin({ defaultAttribute: "sync" });
+new ScriptExtHtmlWebpackPlugin({ defaultAttribute: "async" });
+new ScriptExtHtmlWebpackPlugin({ defaultAttribute: "defer" });
+
+new ScriptExtHtmlWebpackPlugin({
+    custom: {
+        test: "string",
+        attribute: "string"
+    }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    custom: {
+        test: ["array"],
+        attribute: "string",
+        value: "string"
+    }
+});
+
+new ScriptExtHtmlWebpackPlugin({
+    custom: [
+        {
+            test: /regexp/,
+            attribute: "string"
+        },
+        {
+            test: "string",
+            attribute: "string",
+            value: "string"
+        }
+    ]
+});
diff --git a/types/script-ext-html-webpack-plugin/tsconfig.json b/types/script-ext-html-webpack-plugin/tsconfig.json
new file mode 100644
index 0000000000..32c8e618e3
--- /dev/null
+++ b/types/script-ext-html-webpack-plugin/tsconfig.json
@@ -0,0 +1,16 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": ["index.d.ts", "script-ext-html-webpack-plugin-tests.ts"]
+}
diff --git a/types/script-ext-html-webpack-plugin/tslint.json b/types/script-ext-html-webpack-plugin/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/script-ext-html-webpack-plugin/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }