chore: replace prettier workspace property

packages/adders/eslint/config/adder.ts

@@ -33,7 +33,7 @@ export const adder = defineAdderConfig({
 			name: 'eslint-config-prettier',
 			version: '^9.1.0',
 			dev: true,
-			condition: ({ prettier }) => prettier
+			condition: ({ isResolvable }) => isResolvable('prettier')
 		}
 	],
 	files: [
@@ -141,7 +141,7 @@ export const adder = defineAdderConfig({
 		{
 			name: () => 'eslint.config.js',
 			contentType: 'script',
-			condition: ({ prettier }) => prettier,
+			condition: ({ isResolvable }) => isResolvable('prettier'),
 			content: addEslintConfigPrettier
 		}
 	]

packages/adders/tailwindcss/config/adder.ts

@@ -31,7 +31,7 @@ export const adder = defineAdderConfig({
 			name: 'prettier-plugin-tailwindcss',
 			version: '^0.6.5',
 			dev: true,
-			condition: ({ prettier }) => prettier
+			condition: ({ isResolvable }) => isResolvable('prettier')
 		}
 	],
 	files: [
@@ -134,7 +134,7 @@ export const adder = defineAdderConfig({
 
 				if (!plugins.includes(PLUGIN_NAME)) plugins.push(PLUGIN_NAME);
 			},
-			condition: ({ prettier }) => prettier
+			condition: ({ isResolvable }) => isResolvable('prettier')
 		}
 	]
 });

packages/cli/commands/add.ts

@@ -463,7 +463,11 @@ export async function runAddCommand(options: Options, adders: string[]): Promise
 
 	// format modified/created files with prettier (if available)
 	const workspace = createWorkspace(options.cwd);
-	if (filesToFormat.length > 0 && depsStatus === 'installed' && workspace.prettier) {
+	if (
+		filesToFormat.length > 0 &&
+		depsStatus === 'installed' &&
+		workspace.isResolvable('prettier')
+	) {
 		const { start, stop } = p.spinner();
 		start('Formatting modified files');
 		try {

packages/core/files/workspace.ts

@@ -14,7 +14,7 @@ export type Workspace<Args extends OptionDefinition> = {
 	options: OptionValues<Args>;
 	cwd: string;
 	dependencies: Record<string, string>;
-	prettier: boolean;
+	isResolvable: (module: string) => boolean;
 	typescript: boolean;
 	kit: { libDirectory: string; routesDirectory: string } | undefined;
 	packageManager: AgentName;
@@ -24,7 +24,7 @@ export function createEmptyWorkspace<Args extends OptionDefinition>() {
 	return {
 		options: {},
 		cwd: '',
-		prettier: false,
+		isResolvable: (_module) => false,
 		typescript: false,
 		kit: undefined
 	} as Workspace<Args>;
@@ -48,7 +48,7 @@ export function createWorkspace<Args extends OptionDefinition>(cwd: string): Wor
 
 	workspace.dependencies = { ...packageJson.devDependencies, ...packageJson.dependencies };
 	workspace.typescript = usesTypescript;
-	workspace.prettier = Boolean(resolve.from(cwd, 'prettier', true));
+	workspace.isResolvable = (module: string) => Boolean(resolve.from(workspace.cwd, module, true));
 	workspace.packageManager = detectPackageManager(cwd);
 	if ('@sveltejs/kit' in workspace.dependencies) workspace.kit = parseKitOptions(workspace);
 	for (const [key, value] of Object.entries(workspace.dependencies)) {