tsconfig.json

{
    "compilerOptions": {
        "target": "ES2022",
        "module": "ES2022",
        "lib": [
            "ES2022",
            "DOM",
            "DOM.AsyncIterable",
            "DOM.Iterable",
        ],
        "moduleResolution": "Bundler",
        "composite": true,
        "noEmit": true,
        "declaration": true,
        "declarationMap": true,
        "downlevelIteration": true,
        "importHelpers": true,
        "isolatedModules": true,
        "verbatimModuleSyntax": true,
        "useDefineForClassFields": false,
        "experimentalDecorators": true,
        "allowSyntheticDefaultImports": true,
        "strict": true,
        "strictNullChecks": true,
        "sourceMap": true,
        "inlineSources": true,
        "pretty": true,
        "baseUrl": ".",
        "outDir": "build",
        "types": ["lit"]
    },
    "include": [
        "dialog/**/*.ts",
        "dialog-button/**/*.ts",
        "dialog-header/**/*.ts",
        "internal/**/*.ts",
        "index.ts"
    ],
    "exclude": [
        "test/**/*",
        ".vscode/***/*",
        ".rollup.cache/**/*",
        "build/**/*",
        "node_modules"
    ]
}