react-native-navigation/scripts/watch.js

const exec = require('shell-utils').exec;

const isWindows = process.platform === 'win32' ? true : false;

run();

function run() {
    if (isWindows) {
        exec.execSync(`del /F /S /Q lib\\dist`);
        exec.execSync(`tsc --watch`);
    } else {
        exec.execSync(`rm -rf ./lib/dist && tsc --watch`);
    }
}