tsconfig.json

{
	// This is the most important line. It inherits all the SvelteKit-specific
	// type settings, including generated route types in `./$types`.
	"extends": "./.svelte-kit/tsconfig.json",
	"compilerOptions": {
		// --- Core Module & Syntax Settings (Optimized for Modern JS) ---
		"target": "ESNext", // Compile to the latest JavaScript features
		"module": "ESNext", // Use modern ES modules
		"moduleResolution": "bundler", // The recommended setting for Vite/SvelteKit
		"verbatimModuleSyntax": true, // Enforces consistent `import type` usage, great for performance
		"isolatedModules": true, // Ensures each file can be transpiled separately
		// --- Strictness & Code Quality (Essential for a robust CMS) ---
		"strict": true, // Enable all strict type-checking options
		"forceConsistentCasingInFileNames": true, // Prevents case-related bugs
		"noUnusedLocals": true, // Catches dead code
		"noUnusedParameters": true, // Helps identify unused function arguments
		// --- Svelte & JS Interoperability ---
		"allowJs": true, // Allow JavaScript files to be included
		"checkJs": true, // Type-check JavaScript files with JSDoc comments
		"esModuleInterop": true, // Improves compatibility between CommonJS and ES Modules
		"skipLibCheck": true, // Speeds up compilation by not checking library (.d.ts) files
		"allowArbitraryExtensions": true, // Important for Vite plugins that might use non-standard extensions
		"resolveJsonModule": true, // Allow importing JSON files as modules
		"allowImportingTsExtensions": true // Allow importing TypeScript files with extensions

		// Path aliases are automatically generated by SvelteKit from `svelte.config.js` aliases
		// and placed in `.svelte-kit/tsconfig.json` which this file extends
	},
	// Tell TypeScript which files to include in the compilation.
	"include": ["src/**/*.js", "src/**/*.ts", "src/**/*.svelte", "config/**/*.ts", "types/**/*.ts"],
	"exclude": ["node_modules", ".svelte-kit"]
}