tsconfig.json

{
  "include": ["src/**/*"],
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig to read more about this file */

    /* Projects */
    "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
    "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */

    /* Language and Environment */
    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */

    /* Modules */
    "module": "commonjs",                                /* Specify what module code is generated. */
    "rootDir": "./src",                                  /* Specify the root folder within your source files. */

    /* JavaScript Support */

    /* Emit */
    "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
    "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
    "outDir": "./dist",                                   /* Specify an output folder for all emitted files. */
    "removeComments": true,                           /* Disable emitting comments. */

    /* Interop Constraints */
    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */

    /* Type Checking */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
    "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
    "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
    "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
    "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
    "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. */
    "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */

    /* Completeness */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  }
}