So percebi quando fui testar do navegador, e esou rodando o comando "npm start" no terminal. codigo do tsconfig.json
{
"compilerOptions": {
"target": "es6",
"outDir": "app/js",
"noEmitOnError": true,
"noImplicitAny": true
},
"include": [
"app/ts/**/*"
]
}
codigo do package.json
{
"name": "alurabank",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"compile": "tsc",
"start": "tsc -w"
},
"author": "",
"license": "ISC",
"devDependencies": {
"typescript": "^2.3.2"
}
}