tsconfig.json

{
  "compilerOptions": {
    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "amd",                          /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "lib": ["es2015", "dom"],                 /* Specify library files to be included in the compilation. */
    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
    "sourceMap": true,                        /* Generates corresponding '.map' file. */
    "outDir": "dist",                   /* Redirect output structure to the directory. */
    "rootDir": "./src",                   /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "baseUrl": "./src",
    "importHelpers": true,                    /* Import emit helpers from 'tslib'. */
    
    /* Strict Type-Checking Options */
    "strict": false,                          /* Enable all strict type-checking options. */
    "noImplicitAny": false,                   /* Raise error on expressions and declarations with an implied 'any' type. */
    "noImplicitThis": true,                   /* Raise error on 'this' expressions with an implied 'any' type. */

    "noUnusedLocals": true,                   /* Report errors on unused locals. */
    "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true,       /* Report errors for fallthrough cases in switch statement. */

    "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "typeRoots": [
      "types/"
    ],                                        /* List of folders to include type definitions from. */
    "allowSyntheticDefaultImports": true,     /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    
    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
  },
  "mergeReferences": true                     /* Merge typescript type definitions together */
}