feat: create /demo page

.changeset/blue-pandas-smoke.md

@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+feat: create `/demo` page

packages/adders/common.ts

@@ -1,6 +1,6 @@
 import { imports, exports, common } from '@sveltejs/cli-core/js';
 import { type Question, type FileEditor } from '@sveltejs/cli-core';
-import { parseScript } from '@sveltejs/cli-core/parsers';
+import { parseScript, parseSvelte } from '@sveltejs/cli-core/parsers';
 
 export function addEslintConfigPrettier({ content }: FileEditor<Record<string, Question>>): string {
 	const { ast, generateCode } = parseScript(content);
@@ -64,3 +64,20 @@ export function addEslintConfigPrettier({ content }: FileEditor<Record<string, Q
 
 	return generateCode();
 }
+
+export function addToDemoPage(
+	{ content }: FileEditor<Record<string, Question>>,
+	path: string
+): string {
+	const { template, generateCode } = parseSvelte(content);
+
+	for (const node of template.ast.childNodes) {
+		if (node.type === 'tag' && node.attribs['href'] === `/demo/${path}`) {
+			return content;
+		}
+	}
+
+	const newLine = template.source ? '\n' : '';
+	const src = template.source + `${newLine}<a href="/demo/${path}">${path}</a>`;
+	return generateCode({ template: src });
+}

packages/adders/lucia/index.ts

@@ -12,6 +12,7 @@ import { common, exports, imports, variables, object, functions, kit } from '@sv
 // eslint-disable-next-line no-duplicate-imports
 import type { AstTypes } from '@sveltejs/cli-core/js';
 import { parseScript } from '@sveltejs/cli-core/parsers';
+import { addToDemoPage } from '../common.ts';
 
 const TABLE_TYPE = {
 	mysql: 'mysqlTable',
@@ -345,6 +346,11 @@ export default defineAdder({
 		},
 		// DEMO
 		// login/register
+		{
+			name: ({ kit }) => `${kit?.routesDirectory}/demo/+page.svelte`,
+			condition: ({ options }) => options.demo,
+			content: (editor) => addToDemoPage(editor, 'lucia')
+		},
 		{
 			name: ({ kit, typescript }) =>
 				`${kit!.routesDirectory}/demo/lucia/login/+page.server.${typescript ? 'ts' : 'js'}`,

packages/adders/paraglide/index.ts

@@ -14,6 +14,7 @@ import {
 } from '@sveltejs/cli-core/js';
 import * as html from '@sveltejs/cli-core/html';
 import { parseHtml, parseJson, parseScript, parseSvelte } from '@sveltejs/cli-core/parsers';
+import { addToDemoPage } from '../common.ts';
 
 const DEFAULT_INLANG_PROJECT = {
 	$schema: 'https://inlang.com/schema/project-settings',
@@ -232,6 +233,11 @@ export default defineAdder({
 				return generateCode();
 			}
 		},
+		{
+			name: ({ kit }) => `${kit?.routesDirectory}/demo/+page.svelte`,
+			condition: ({ options }) => options.demo,
+			content: (editor) => addToDemoPage(editor, 'paraglide')
+		},
 		{
 			// add usage example
 			name: ({ kit }) => `${kit?.routesDirectory}/demo/paraglide/+page.svelte`,