Asynchronous Generator example using the JSONPlaceholder API

asynchronous-generator.js

// Générateur asynchrone
async function* webservice(entity) {
  let index = 1;

  while (true) {
    try {
      const response = await fetch(`https://jsonplaceholder.typicode.com/${entity}/${index}`);

      if (!response.ok) {
        throw new Error("Not found");
      }

      yield response.json();
      index = index + 1;
    } catch (error) {
      break;
    }
  }
}

async function main() {
  for await (const user of webservice("users")) {
    console.log(user.username);
  }
}

main().catch(error => {
  console.error(error.message);
});