TS Config Starter Kit.

tsconfig.json

{
  "compilerOptions": {
    /* Base Options: */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "skipLibCheck": true /* Skip type checking all .d.ts files. */,
    "target": "ES2022" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,
    "resolveJsonModule": true /* Enable importing .json files. */,
    "moduleDetection": "force" /* Control what method is used to detect module-format JS files. */,
    "isolatedModules": true /* Ensure that each file can be safely transpiled without relying on other imports. */,
    "verbatimModuleSyntax": true /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */,

    /* Strictness */
    "strict": true /* Enable all strict type-checking options. */,
    "noUncheckedIndexedAccess": true /* Add 'undefined' to a type when accessed using an index. */,
    "noImplicitOverride": true /* Ensure overriding members in derived classes are marked with an override modifier. */,

    /* If targeting Node: */
    "module": "NodeNext" /* Specify what module code is generated. */,
    "outDir": "dist" /* Specify an output folder for all emitted files. */,
    "sourceMap": true /* Create source map files for emitted JavaScript files. */,
    "lib": [
      "ES2022"
    ] /* Specify a set of bundled library declaration files that describe the target runtime environment. */,

    /* AND if building for a library: */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,

    /* AND if building for a library in a monorepo: */
    "composite": true /* Enable constraints that allow a TypeScript project to be used with project references. */,
    "declarationMap": true /* Create sourcemaps for d.ts files. */,

    /* Else targeting the Browser: */
    "moduleResolution": "Bundler" /* Specify how TypeScript looks up a file from a given module specifier. */,
    "module": "ESNext" /* Specify what module code is generated. */,
    "noEmit": true /* Disable emitting files from a compilation. */,
    "lib": [
      "ESNext",
      "DOM",
      "DOM.Iterable"
    ] /* Specify a set of bundled library declaration files that describe the target runtime environment. */
  }
}