tsconfig.json

{
  "compilerOptions": {
    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "lib": ["es2015", "dom"],                 /* Specify library files to be included in the compilation. */
  
    "strict": true,                           /* Enable all strict type-checking options. */

    "noUnusedLocals": true,                /* Report errors on unused locals. */
    "noUnusedParameters": true,            /* Report errors on unused parameters. */

    "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
  },
  "include": [
    // list files one by one to slowly type check and fix all specs
    "./cypress/integration/*.spec.js"
  ],
  "exclude": [
    // exclude any specific spec files if there is a breaking TypeScript check
  ]
}