tsconfig.json

{
  "include": ["src"],
  "compilerOptions": {
    "target": "es2020",                               /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "module": "es2020",                               /* Specify what module code is generated. */
    "moduleResolution": "node16",
    "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
    "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
    "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
    "outDir": "lib/mjs",                              /* Specify an output folder for all emitted files. */
    "declarationDir": "types",                        /* Specify the output directory for generated declaration files. */
    "removeComments": true,                           /* Disable emitting comments. */
    "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
    "esModuleInterop": true,                          /* Emit additional JavaScript to ease support for importing CommonJS modules.*/
    "forceConsistentCasingInFileNames": true,         /* Ensure that casing is correct in imports. */
    "strict": true,                                   /* Enable all strict type-checking options. */
    // "noImplicitAny": true,                         /* Enable error reporting for expressions and declarations with an implied `any` type.. */
    "strictNullChecks": true,                         /* When type checking, take into account `null` and `undefined`. */
    "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
    "strictBindCallApply": true,                      /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */
    "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
    "noImplicitThis": true,                           /* Enable error reporting when `this` is given the type `any`. */
    "useUnknownInCatchVariables": true,               /* Type catch clause variables as 'unknown' instead of 'any'. */
    "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
    "noUnusedLocals": true,                           /* Enable error reporting when a 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,                 /* Include 'undefined' in index signature results */
    "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 */
    "allowUnusedLabels": false,                       /* Disable error reporting for unused labels. */
    "allowUnreachableCode": false,                    /* Disable error reporting for unreachable code. */
    "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
    "skipLibCheck": true                              /* Skip type checking all .d.ts files. */
  }
}