tsconfig.json

//Many options here were gotten from 
//https://medium.com/@patngo/transitioning-a-react-native-app-to-typescript-in-2019-f61c5acb8e1e
{
    "compilerOptions": {
        /* Basic Options */
        "target": "ES6",
        "module": "commonjs",
        "allowJs": true,
        "checkJs": false, //We're slowly transitioning to TS, lots of JS files will have linting errors
        "resolveJsonModule": true,
        "jsx": "react",
        "noEmit": true,
        "skipLibCheck": true,

        /* Strict Type-Checking Options */
        "strict": true,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "strictFunctionTypes": true,
        "strictPropertyInitialization": true,
        "noImplicitThis": true,
        "alwaysStrict": true,
        "suppressImplicitAnyIndexErrors": true,

        /* Additional Checks */
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        
        /* Module Resolution Options */
        "moduleResolution": "node",
        "baseUrl": ".",
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true,

        //Path aliases
        "paths": {
            "reusables/*": [
                "src/components/*"
            ],
            "screens/*": [
                "src/screens/*"
            ],
            "styling/*": [
                "src/styling/*"
            ],
            "utils/*": [
                "src/utils/*"
            ],
            "media/*": [
                "src/media/*"
            ],
            "dev/*": [
                "src/_dev/*"
            ],
            "data/*": [
                "src/data/*"
            ]
        }
    },
    "exclude": [
        "__tests__", // exclude test files
        "node_modules"
    ]
}