tsconfig.json

{
	"$schema": "https://json.schemastore.org/tsconfig",
	"compilerOptions": {
		"strictNullChecks": true,
		"plugins": [
			{
				"name": "@astrojs/ts-plugin"
			}
		],
		"verbatimModuleSyntax": true,
		"lib": ["dom", "ES2022"],
		// Enable top-level await, and other modern ESM features.
		"target": "ESNext",
		"module": "ESNext",
		// Enable node-style module resolution, for things like npm package imports.
		"moduleResolution": "node",
		// Enable JSON imports.
		"resolveJsonModule": true,
		// Enable stricter transpilation for better output.
		"isolatedModules": true,
		// Astro directly run TypeScript code, no transpilation needed.
		"noEmit": true,
		// Report an error when importing a file using a casing different from the casing on disk.
		"forceConsistentCasingInFileNames": true,
		// Properly support importing CJS modules in ESM
		"esModuleInterop": true,
		// Skip typechecking libraries and .d.ts files
		"skipLibCheck": true,
		// Add alias for assets folder for easy reference to assets
		"baseUrl": ".",
		"paths": {
			"~/*": ["src/*"]
		},
		// TypeScript 5.0 changed how `isolatedModules` and `importsNotUsedAsValues` works, deprecating the later
		// Until the majority of users are on TypeScript 5.0, we'll have to supress those deprecation errors
		"ignoreDeprecations": "5.0"
	}
}