tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "none",                         /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "lib": ["es5", "es6", "dom"],             /* Specify library files to be included in the compilation. */
    "allowJs": false,                         /* Allow javascript files to be compiled. */
    "checkJs": false,                         /* Report errors in .js files. */
    "declaration": false,                     /* Generates corresponding '.d.ts' file. */
    "declarationMap": false,                  /* Generates a sourcemap for each corresponding '.d.ts' file. */
    "sourceMap": true,                        /* Generates corresponding '.map' file. */
    "outFile": "./docs/js/game.js",                        /* Concatenate and emit output to single file. */
    "removeComments": true,                   /* Do not emit comments to output. */
    "downlevelIteration": true,               /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */

    /* Strict Type-Checking Options */
    "strict": true,                           /* Enable all strict type-checking options. */
    "noImplicitAny": true,                    /* Raise error on expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,                 /* Enable strict null checks. */
    "strictFunctionTypes": true,              /* Enable strict checking of function types. */
    "strictBindCallApply": true,              /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
    "strictPropertyInitialization": true,     /* Enable strict checking of property initialization in classes. */
    "noImplicitThis": true,                   /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true,                     /* Parse in strict mode and emit "use strict" for each source file. */

    /* Additional Checks */
    "noUnusedLocals": true,                   /* Report errors on unused locals. */
    "noUnusedParameters": true,               /* Report errors on unused parameters. */
    "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true        /* Report errors for fallthrough cases in switch statement. */
  },
  "include": [
    "src/main.ts",
    "src/def/howler.d.ts"
  ]
}