chore: unify language

community-addon-template/src/index.js

@@ -14,7 +14,7 @@ export default defineAddon({
 	setup: ({ kit, unsupported }) => {
 		if (!kit) unsupported('Requires SvelteKit');
 	},
-	run: ({ sv, options, typescript }) => {
+	run: ({ sv, options, language }) => {
 		sv.file('addon-template-demo.txt', (content) => {
 			if (options.demo) {
 				return 'This is a text file made by the Community Addon Template demo!';
@@ -25,7 +25,7 @@ export default defineAddon({
 		sv.file('src/DemoComponent.svelte', (content) => {
 			if (!options.demo) return content;
 			const { ast, generateCode } = parseSvelte(content);
-			svelte.ensureScript(ast, { langTs: typescript });
+			svelte.ensureScript(ast, { language });
 			js.imports.addDefault(ast.instance.content, {
 				from: '../addon-template-demo.txt?raw',
 				as: 'demo'

packages/sv/lib/addons/_tests/devtools-json/test.ts

@@ -12,8 +12,8 @@ const { test, testCases } = setupTest(
 test.concurrent.for(testCases)('devtools-json $variant', (testCase, ctx) => {
 	const cwd = ctx.cwd(testCase);
 
-	const ext = testCase.variant.includes('ts') ? 'ts' : 'js';
-	const viteFile = path.resolve(cwd, `vite.config.${ext}`);
+	const language = testCase.variant.includes('ts') ? 'ts' : 'js';
+	const viteFile = path.resolve(cwd, `vite.config.${language}`);
 	const viteContent = fs.readFileSync(viteFile, 'utf8');
 
 	// Check if we have the import part

packages/sv/lib/addons/_tests/lucia/test.ts

@@ -25,8 +25,8 @@ test.concurrent.for(testCases)('lucia $variant', async (testCase, { page, ...ctx
 	// kill server process when we're done
 	ctx.onTestFinished(async () => await close());
 
-	const ext = testCase.variant.includes('ts') ? 'ts' : 'js';
-	const filePath = path.resolve(cwd, `src/routes/demo/lucia/+page.server.${ext}`);
+	const language = testCase.variant.includes('ts') ? 'ts' : 'js';
+	const filePath = path.resolve(cwd, `src/routes/demo/lucia/+page.server.${language}`);
 	const fileContent = fs.readFileSync(filePath, 'utf8');
 	expect(fileContent).toContain(`export const actions`);
 });

packages/sv/lib/addons/_tests/playwright/test.ts

@@ -11,8 +11,8 @@ const { test, testCases } = setupTest(
 test.concurrent.for(testCases)('playwright $variant', (testCase, { expect, ...ctx }) => {
 	const cwd = ctx.cwd(testCase);
 
-	const ext = testCase.variant.includes('ts') ? 'ts' : 'js';
-	const playwrightConfig = path.resolve(cwd, `playwright.config.${ext}`);
+	const language = testCase.variant.includes('ts') ? 'ts' : 'js';
+	const playwrightConfig = path.resolve(cwd, `playwright.config.${language}`);
 	const configContent = fs.readFileSync(playwrightConfig, 'utf8');
 
 	// Check if we have the imports

packages/sv/lib/addons/_tests/vitest/test.ts

@@ -18,8 +18,8 @@ test.concurrent.for(testCases)('vitest $variant', (testCase, { expect, ...ctx })
 
 	expect(() => execSync('pnpm test', { cwd, stdio: 'pipe' })).not.toThrow();
 
-	const ext = testCase.variant.includes('ts') ? 'ts' : 'js';
-	const viteFile = path.resolve(cwd, `vite.config.${ext}`);
+	const language = testCase.variant.includes('ts') ? 'ts' : 'js';
+	const viteFile = path.resolve(cwd, `vite.config.${language}`);
 	const viteContent = fs.readFileSync(viteFile, 'utf8');
 
 	expect(viteContent).toContain(`vitest/config`);

packages/sv/lib/addons/common.ts

@@ -1,7 +1,8 @@
 import { imports, exports, common } from '../core/tooling/js/index.ts';
-import { toFragment, type SvelteAst, ensureScript } from '../core/tooling/svelte/index.ts';
+import { toFragment, type SvelteAst } from '../core/tooling/svelte/index.ts';
 import { parseScript, parseSvelte } from '../core/tooling/parsers.ts';
 import process from 'node:process';
+import { svelte } from '../core/index.ts';
 
 export function addEslintConfigPrettier(content: string): string {
 	const { ast, generateCode } = parseScript(content);
@@ -64,8 +65,13 @@ export function addEslintConfigPrettier(content: string): string {
 	return generateCode();
 }
 
-export function addToDemoPage(existingContent: string, path: string, langTs: boolean): string {
+export function addToDemoPage(
+	existingContent: string,
+	path: string,
+	language: 'ts' | 'js'
+): string {
 	const { ast, generateCode } = parseSvelte(existingContent);
+	svelte.ensureScript(ast, { language });
 
 	for (const node of ast.fragment.nodes) {
 		if (node.type === 'RegularElement') {
@@ -86,7 +92,6 @@ export function addToDemoPage(existingContent: string, path: string, langTs: boo
 		}
 	}
 
-	ensureScript(ast, { langTs });
 	imports.addNamed(ast.instance.content, { imports: ['resolve'], from: '$app/paths' });
 
 	ast.fragment.nodes.unshift(...toFragment(`<a href={resolve('/demo/${path}')}>${path}</a>`));

packages/sv/lib/addons/drizzle/index.ts

@@ -85,15 +85,15 @@ export default defineAddon({
 
 		if (!kit) return unsupported('Requires SvelteKit');
 	},
-	run: ({ sv, typescript, options, kit, dependencyVersion, cwd, cancel, files }) => {
+	run: ({ sv, language, options, kit, dependencyVersion, cwd, cancel, files }) => {
 		if (!kit) throw new Error('SvelteKit is required');
 
-		const ext = typescript ? 'ts' : 'js';
+		const typescript = language === 'ts';
 		const baseDBPath = path.resolve(cwd, kit.libDirectory, 'server', 'db');
 		const paths = {
-			'drizzle config': path.resolve(cwd, `drizzle.config.${ext}`),
-			'database schema': path.resolve(baseDBPath, `schema.${ext}`),
-			database: path.resolve(baseDBPath, `index.${ext}`)
+			'drizzle config': path.resolve(cwd, `drizzle.config.${language}`),
+			'database schema': path.resolve(baseDBPath, `schema.${language}`),
+			database: path.resolve(baseDBPath, `index.${language}`)
 		};
 
 		for (const [fileType, filePath] of Object.entries(paths)) {

packages/sv/lib/addons/eslint/index.ts

@@ -17,7 +17,8 @@ export default defineAddon({
 	shortDescription: 'linter',
 	homepage: 'https://eslint.org',
 	options: {},
-	run: ({ sv, typescript, dependencyVersion, files }) => {
+	run: ({ sv, language, dependencyVersion, files }) => {
+		const typescript = language === 'ts';
 		const prettierInstalled = Boolean(dependencyVersion('prettier'));
 
 		sv.devDependency('eslint', '^9.39.1');

packages/sv/lib/addons/lucia/index.ts

@@ -45,8 +45,8 @@ export default defineAddon({
 
 		runsAfter('tailwindcss');
 	},
-	run: ({ sv, typescript, options, kit, dependencyVersion }) => {
-		const ext = typescript ? 'ts' : 'js';
+	run: ({ sv, language, options, kit, dependencyVersion }) => {
+		const typescript = language === 'ts';
 
 		sv.devDependency('@oslojs/crypto', '^1.0.1');
 		sv.devDependency('@oslojs/encoding', '^1.1.0');
@@ -56,7 +56,7 @@ export default defineAddon({
 			sv.dependency('@node-rs/argon2', '^2.0.2');
 		}
 
-		sv.file(`drizzle.config.${ext}`, (content) => {
+		sv.file(`drizzle.config.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 			const isProp = (name: string, node: AstTypes.Property) =>
 				node.key.type === 'Identifier' && node.key.name === name;
@@ -222,7 +222,7 @@ export default defineAddon({
 			return code;
 		});
 
-		sv.file(`${kit?.libDirectory}/server/auth.${ext}`, (content) => {
+		sv.file(`${kit?.libDirectory}/server/auth.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 
 			js.imports.addNamespace(ast, { from: '$lib/server/db/schema', as: 'table' });
@@ -383,11 +383,11 @@ export default defineAddon({
 			});
 		}
 
-		sv.file(`src/hooks.server.${ext}`, (content) => {
+		sv.file(`src/hooks.server.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 			js.imports.addNamespace(ast, { from: '$lib/server/auth', as: 'auth' });
 			js.kit.addHooksHandle(ast, {
-				typescript,
+				language,
 				newHandleName: 'handleAuth',
 				handleContent: getAuthHandleContent()
 			});
@@ -396,10 +396,10 @@ export default defineAddon({
 
 		if (options.demo) {
 			sv.file(`${kit?.routesDirectory}/demo/+page.svelte`, (content) => {
-				return addToDemoPage(content, 'lucia', typescript);
+				return addToDemoPage(content, 'lucia', language);
 			});
 
-			sv.file(`${kit!.routesDirectory}/demo/lucia/login/+page.server.${ext}`, (content) => {
+			sv.file(`${kit!.routesDirectory}/demo/lucia/login/+page.server.${language}`, (content) => {
 				if (content) {
 					const filePath = `${kit!.routesDirectory}/demo/lucia/login/+page.server.${typescript ? 'ts' : 'js'}`;
 					log.warn(`Existing ${colors.yellow(filePath)} file. Could not update.`);
@@ -572,7 +572,7 @@ export default defineAddon({
 				`;
 			});
 
-			sv.file(`${kit!.routesDirectory}/demo/lucia/+page.server.${ext}`, (content) => {
+			sv.file(`${kit!.routesDirectory}/demo/lucia/+page.server.${language}`, (content) => {
 				if (content) {
 					const filePath = `${kit!.routesDirectory}/demo/lucia/+page.server.${typescript ? 'ts' : 'js'}`;
 					log.warn(`Existing ${colors.yellow(filePath)} file. Could not update.`);

packages/sv/lib/addons/paraglide/index.ts

@@ -62,8 +62,7 @@ export default defineAddon({
 	setup: ({ kit, unsupported }) => {
 		if (!kit) unsupported('Requires SvelteKit');
 	},
-	run: ({ sv, options, files, typescript, kit }) => {
-		const ext = typescript ? 'ts' : 'js';
+	run: ({ sv, options, files, language, kit }) => {
 		if (!kit) throw new Error('SvelteKit is required');
 
 		const paraglideOutDir = 'src/lib/paraglide';
@@ -87,7 +86,7 @@ export default defineAddon({
 		});
 
 		// reroute hook
-		sv.file(`src/hooks.${ext}`, (content) => {
+		sv.file(`src/hooks.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 			imports.addNamed(ast, {
 				from: '$lib/paraglide/runtime',
@@ -113,7 +112,7 @@ export default defineAddon({
 		});
 
 		// handle hook
-		sv.file(`src/hooks.server.${ext}`, (content) => {
+		sv.file(`src/hooks.server.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 			imports.addNamed(ast, {
 				from: '$lib/paraglide/server',
@@ -127,7 +126,7 @@ export default defineAddon({
 		});
 	});`;
 			kitJs.addHooksHandle(ast, {
-				typescript,
+				language,
 				newHandleName: 'handleParaglide',
 				handleContent: hookHandleContent
 			});
@@ -182,7 +181,7 @@ export default defineAddon({
 
 		sv.file(`${kit.routesDirectory}/+layout.svelte`, (content) => {
 			const { ast, generateCode } = parseSvelte(content);
-			svelte.ensureScript(ast);
+			svelte.ensureScript(ast, { language });
 			imports.addNamed(ast.instance.content, {
 				imports: ['locales', 'localizeHref'],
 				from: '$lib/paraglide/runtime'
@@ -200,14 +199,13 @@ export default defineAddon({
 
 		if (options.demo) {
 			sv.file(`${kit.routesDirectory}/demo/+page.svelte`, (content) => {
-				return addToDemoPage(content, 'paraglide', typescript);
+				return addToDemoPage(content, 'paraglide', language);
 			});
 
 			// add usage example
 			sv.file(`${kit.routesDirectory}/demo/paraglide/+page.svelte`, (content) => {
 				const { ast, generateCode } = parseSvelte(content);
-				svelte.ensureScript(ast, { langTs: typescript });
-
+				svelte.ensureScript(ast, { language });
 				imports.addNamed(ast.instance.content, {
 					imports: { m: 'm' },
 					from: '$lib/paraglide/messages.js'

packages/sv/lib/addons/playwright/index.ts

@@ -7,9 +7,7 @@ export default defineAddon({
 	shortDescription: 'browser testing',
 	homepage: 'https://playwright.dev',
 	options: {},
-	run: ({ sv, typescript, files }) => {
-		const ext = typescript ? 'ts' : 'js';
-
+	run: ({ sv, language, files }) => {
 		sv.devDependency('@playwright/test', '^1.57.0');
 
 		sv.file(files.package, (content) => {
@@ -30,7 +28,7 @@ export default defineAddon({
 			return 'test-results\n' + content.trim();
 		});
 
-		sv.file(`e2e/demo.test.${ext}`, (content) => {
+		sv.file(`e2e/demo.test.${language}`, (content) => {
 			if (content) return content;
 
 			return dedent`
@@ -43,7 +41,7 @@ export default defineAddon({
 				`;
 		});
 
-		sv.file(`playwright.config.${ext}`, (content) => {
+		sv.file(`playwright.config.${language}`, (content) => {
 			const { ast, generateCode } = parseScript(content);
 			const defineConfig = common.parseExpression('defineConfig({})');
 			const { value: defaultExport } = exports.createDefault(ast, { fallback: defineConfig });

packages/sv/lib/addons/sveltekit-adapter/index.ts

@@ -43,7 +43,7 @@ export default defineAddon({
 	setup: ({ kit, unsupported }) => {
 		if (!kit) unsupported('Requires SvelteKit');
 	},
-	run: ({ sv, options, files, cwd, packageManager, typescript }) => {
+	run: ({ sv, options, files, cwd, packageManager, language }) => {
 		const adapter = adapters.find((a) => a.id === options.adapter)!;
 
 		// removes previously installed adapters
@@ -172,7 +172,7 @@ export default defineAddon({
 			});
 
 			const jsconfig = fileExists(cwd, 'jsconfig.json');
-			const typeChecked = typescript || jsconfig;
+			const typeChecked = language === 'ts' || jsconfig;
 
 			if (typeChecked) {
 				// Ignore generated Cloudflare Types

packages/sv/lib/addons/tailwindcss/index.ts

@@ -33,7 +33,7 @@ export default defineAddon({
 	shortDescription: 'css framework',
 	homepage: 'https://tailwindcss.com',
 	options,
-	run: ({ sv, options, files, kit, dependencyVersion, typescript }) => {
+	run: ({ sv, options, files, kit, dependencyVersion, language }) => {
 		const prettierInstalled = Boolean(dependencyVersion('prettier'));
 
 		sv.devDependency('tailwindcss', '^4.1.17');
@@ -89,7 +89,7 @@ export default defineAddon({
 			const stylesheetRelative = files.getRelative({ from: appSvelte, to: files.stylesheet });
 			sv.file(appSvelte, (content) => {
 				const { ast, generateCode } = parseSvelte(content);
-				svelte.ensureScript(ast, { langTs: typescript });
+				svelte.ensureScript(ast, { language });
 				imports.addEmpty(ast.instance.content, { from: stylesheetRelative });
 				return generateCode();
 			});
@@ -98,7 +98,7 @@ export default defineAddon({
 			const stylesheetRelative = files.getRelative({ from: layoutSvelte, to: files.stylesheet });
 			sv.file(layoutSvelte, (content) => {
 				const { ast, generateCode } = parseSvelte(content);
-				svelte.ensureScript(ast, { langTs: typescript });
+				svelte.ensureScript(ast, { language });
 				imports.addEmpty(ast.instance.content, { from: stylesheetRelative });
 
 				if (content.length === 0) {

packages/sv/lib/addons/vitest-addon/index.ts

@@ -24,8 +24,7 @@ export default defineAddon({
 	homepage: 'https://vitest.dev',
 	options,
 
-	run: ({ sv, files, typescript, kit, options, dependencyVersion }) => {
-		const ext = typescript ? 'ts' : 'js';
+	run: ({ sv, files, language, kit, options, dependencyVersion }) => {
 		const unitTesting = options.usages.includes('unit');
 		const componentTesting = options.usages.includes('component');
 
@@ -56,7 +55,7 @@ export default defineAddon({
 		});
 
 		if (unitTesting) {
-			sv.file(`src/demo.spec.${ext}`, (content) => {
+			sv.file(`src/demo.spec.${language}`, (content) => {
 				if (content) return content;
 
 				return dedent`
@@ -73,8 +72,8 @@ export default defineAddon({
 
 		if (componentTesting) {
 			const fileName = kit
-				? `${kit.routesDirectory}/page.svelte.spec.${ext}`
-				: `src/App.svelte.test.${ext}`;
+				? `${kit.routesDirectory}/page.svelte.spec.${language}`
+				: `src/App.svelte.test.${language}`;
 
 			sv.file(fileName, (content) => {
 				if (content) return content;
@@ -160,7 +159,7 @@ export default defineAddon({
 		});
 	},
 
-	nextSteps: ({ highlighter, typescript, options }) => {
+	nextSteps: ({ highlighter, language, options }) => {
 		const toReturn: string[] = [];
 
 		if (vitestV3Installed) {
@@ -175,7 +174,7 @@ export default defineAddon({
 				`${highlighter.optional('Optional')} Check ${highlighter.path('./vite.config.ts')} and remove duplicate project definitions`
 			);
 			toReturn.push(
-				`${highlighter.optional('Optional')} Remove ${highlighter.path('./vitest-setup-client' + (typescript ? '.ts' : '.js'))} file`
+				`${highlighter.optional('Optional')} Remove ${highlighter.path('./vitest-setup-client.' + language)} file`
 			);
 		}
 

packages/sv/lib/cli/add/workspace.ts

@@ -81,7 +81,7 @@ export async function createWorkspace({
 	return {
 		cwd: resolvedCwd,
 		packageManager: packageManager ?? (await detect({ cwd }))?.name ?? getUserAgent() ?? 'npm',
-		typescript,
+		language: typescript ? 'ts' : 'js',
 		files: {
 			viteConfig,
 			svelteConfig,

packages/sv/lib/cli/create.ts

@@ -386,7 +386,7 @@ export async function createVirtualWorkspace({
 
 	const virtualWorkspace: Workspace = {
 		...tentativeWorkspace,
-		typescript: type === 'typescript',
+		language: type === 'typescript' ? 'ts' : 'js',
 		files: {
 			...tentativeWorkspace.files,
 			viteConfig: type === 'typescript' ? commonFilePaths.viteConfigTS : commonFilePaths.viteConfig,