Add TypeScript definitions

Fixes #9

Author: sindresorhus

index.d.ts

@@ -0,0 +1,33 @@
+import type {Compiler, Compilation} from 'webpack';
+
+/**
+Dynamically add an asset to the webpack graph.
+
+@example
+```
+import AddAssetPlugin from 'add-asset-webpack-plugin';
+
+export default {
+	// …
+	plugins: [
+		new AddAssetPlugin('file.js', `
+			console.log('This is a dynamically created file');
+		`)
+	]
+};
+```
+*/
+declare class AddAssetPlugin {
+	/**
+	@param filePath - Relative file path for the asset.
+	@param source - Asset source or a function that returns the asset source. If a function, it will receive the compilation instance.
+	*/
+	constructor(
+		filePath: string,
+		source: string | ((compilation: Compilation) => string | Promise<string>)
+	);
+
+	apply(compiler: Compiler): void;
+}
+
+export default AddAssetPlugin;

package.json

@@ -4,16 +4,17 @@
 	"description": "Dynamically add an asset to the Webpack graph",
 	"license": "MIT",
 	"repository": "sindresorhus/add-asset-webpack-plugin",
-	"funding": {
-		"url": "https://github.com/sponsors/sindresorhus"
-	},
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "[email protected]",
 		"url": "https://sindresorhus.com"
 	},
 	"type": "module",
-	"exports": "./index.js",
+	"exports": {
+		"types": "./index.d.ts",
+		"default": "./index.js"
+	},
 	"sideEffects": false,
 	"engines": {
 		"node": ">=18"
@@ -22,7 +23,8 @@
 		"test": "xo && ava"
 	},
 	"files": [
-		"index.js"
+		"index.js",
+		"index.d.ts"
 	],
 	"keywords": [
 		"webpack-plugin",

readme.md

@@ -39,7 +39,7 @@ Type: `string | (compilation => string | Promise<string>)`
 
 Asset source or a function that returns the asset source.
 
-If a function, it will receive the [`compilation` instance](https://webpack.js.org/api/compilation/). And if the function returns a promise, it will be awaited.
+If a function, it will receive the [`compilation` instance](https://webpack.js.org/api/compilation/).
 
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