Support scale option on Windows (#87)

Co-authored-by: Sindre Sorhus <[email protected]>

index.d.ts

@@ -26,13 +26,17 @@ export interface SetOptions {
 	readonly screen?: 'all' | 'main' | number;
 
 	/**
-	__macOS only.__
+	__macOS & Windows__
+
+	Scaling method.
 
-	Scaling method. Values: `auto` `fill` `fit` `stretch` `center`.
+	macOS Values: `auto` `fill` `fit` `stretch` `center`.
+	Windows Values: `stretch` `center` `tile` `span` `max` `crop-to-fit` `keep-aspect-ratio`.
 
-	@default 'auto'
+	@default 'auto' for macOS
+	@default 'span' for Windows
 	*/
-	readonly scale?: 'auto' | 'fill' | 'fit' | 'stretch' | 'center';
+	readonly scale?: 'auto' | 'fill' | 'fit' | 'stretch' | 'center' | 'tile' | 'span';
 }
 
 /**

readme.md

@@ -67,11 +67,13 @@ The screen to set the wallpaper on.
 
 *On Linux and Windows it's hard-coded to `'main'`.*
 
-##### scale *(macOS only)*
+##### scale *(macOS & Windows)*
 
 Type: `string`\
-Values: `'auto' | 'fill' | 'fit' | 'stretch' | 'center'`\
-Default: `'auto'`
+macOS Values: `'auto' | 'fill' | 'fit' | 'stretch' | 'center'`\
+Windows Values: `'center' | 'stretch' | 'tile' | 'span' | 'fit' | 'fill'`\
+Default macOS: `'auto'`\
+Default Windows: `'span'`
 
 Scaling method.
 

source/windows.js

@@ -7,17 +7,28 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const execFile = promisify(childProcess.execFile);
 
 // Binary source → https://github.com/sindresorhus/win-wallpaper
-const binary = path.join(__dirname, 'windows-wallpaper.exe');
+const binary = path.join(__dirname, 'windows-wallpaper-x86-64.exe');
 
 export async function getWallpaper() {
-	const {stdout} = await execFile(binary);
+	const arguments_ = [
+		'get',
+	];
+
+	const {stdout} = await execFile(binary, arguments_);
 	return stdout.trim();
 }
 
-export async function setWallpaper(imagePath) {
+export async function setWallpaper(imagePath, {scale = 'fill'} = {}) {
 	if (typeof imagePath !== 'string') {
 		throw new TypeError('Expected a string');
 	}
 
-	await execFile(binary, [path.resolve(imagePath)]);
+	const arguments_ = [
+		'set',
+		path.resolve(imagePath),
+		'--scale',
+		scale,
+	];
+
+	await execFile(binary, arguments_);
 }