feat(tsconfig) - additional TS config settings

Author: ttbarnes

tsconfig.json

@@ -4,20 +4,31 @@
 
     /* Basic Options */
     "target": "ESNEXT"                        /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
-    "module": "ESNext",                       /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    "module": "CommonJS",                       /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
     "declaration": true,                      /* Generates corresponding '.d.ts' file. */
     "outDir": "./lib/esm",                         /* Redirect output structure to the directory. */
+    "lib": ["dom", "esnext"],
 
-    /* Strict Type-Checking Options */
-    "strict": true                            /* Enable all strict type-checking options. */,
+    /* Type Checking Options */
+    "strict": true /* Enable all strict type-checking options. */,
+    "noPropertyAccessFromIndexSignature": false, /* Allow access to an object's property with dot notation. */
 
     /* Module Resolution Options */
     "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
     "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
 
+    /* Backwards Compatibility Options */
+    "suppressImplicitAnyIndexErrors": true, /* Suppress errors for accessing an object's property with dot notation. */
+
     /* Experimental Options */
     "experimentalDecorators": true,           /* Enables experimental support for ES7 decorators. */
-    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
+
+    "baseUrl": "./src/",
+    "paths": {
+      "*": ["types/*", "node_modules/@types"]
+    },
+    "importHelpers": true
   },
   "include": ["src/"],
   "exclude": ["node_modules"]