$ npm install npm-stats-api --save

const npm = require("npm-stats-api");

// Parameters:
// 1. Package Name
// 2. Start Date
// 3. End Date
npm.stat("npm-stats-api", "2022-01-01", "2022-02-15")
  .then(res => {
    console.log(res);
  });

// if you use async/await
import npm from "npm-stats-api";
(async () => {
  const res = await npm.stat("npm-stats-api", "2022-01-01", "2022-02-15");
  console.log(res);
})();


// response format
{
  statusCode: 200,
  body: {
    downloads: 628,
    start: '2022-01-01',
    end: '2022-02-15',
    package: 'npm-stats-api'
  }
}

const npm = require("npm-stats-api");

// Parameters:
//   Package name
npm.details("npm-stats-api").then(res => {
  console.log(res);
});

npm
  .stat("npm-stats-api", "2022-01-01", "2022-02-15")
  .then(res => console.log(res))
  .catch(err => {
    console.log(err);
  });

// use es module
const res = await npm.stat("npm-stats-api", "2022-01-01", "2022-02-15");
if (res.statusCode === 400) {
  // some kind of processing
}