tsconfig.json

{
	"extends": "astro/tsconfigs/strictest",
	"compilerOptions": {
		// Enable top-level await, and other modern ESM features.
		"target": "esnext",
		"module": "esnext",
		"moduleResolution": "bundler",
		// 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,
		"strict": true,
		// Report errors for fallthrough cases in switch statements
		"noFallthroughCasesInSwitch": true,
		// Force functions designed to override their parent class to be specified as `override`.
		"noImplicitOverride": true,
		// Force functions to specify that they can return `undefined` if a possible code path does not return a value.
		"noImplicitReturns": true,
		// Report an error when a variable is declared but never used.
		"noUnusedLocals": true,
		// Report an error when a parameter is declared but never used.
		"noUnusedParameters": true,
		// Force the usage of the indexed syntax to access fields declared using an index signature.
		"noUncheckedIndexedAccess": true,
		// Report an error when the value `undefined` is given to an optional property that doesn't specify `undefined` as a valid value.
		"exactOptionalPropertyTypes": true,
		// Report an error for unreachable code instead of just a warning.
		"allowUnreachableCode": false,
		// Report an error for unused labels instead of just a warning.
		"allowUnusedLabels": false,
		"verbatimModuleSyntax": true,
		"baseUrl": ".",
		"paths": {
			"@/*": ["src/*"],
			"@/components/*": ["src/components/*.astro"],
			"@/layouts/*": ["src/layouts/*.astro"]
		},
		"types": ["vitest/importMeta"]
	},
	"include": ["src/**/*.ts", "src/**/*.astro", "./*.*js"],
	"exclude": ["node_modules", "**/node_modules/*", ".vscode", "dist"]
}