promise_argument_chain.js

const api_endpoint = 'http://petstore.swagger.io/v2/pet/';

function asyncfunc(uri, pet_id) {
    let fetch = require('node-fetch');
    return fetch(uri, {
        method: 'GET',
        headers: {'Content-Type': 'application/json'},
        body: pet_id
    })
}

function parseResponse(response_body_json, input) {
    console.log(input);
    return new Promise((resolve, reject) => {
         resolve(response_body_json);
     });
}

// example 1
const pet_id1 = 1;

asyncfunc(api_endpoint, pet_id1)
.then(response => parseResponse(response, pet_id1))
.then(response => {
    console.log(response);
}).catch(err => {
    console.log(err);
});

// example 2
const pet_id2 = 2

asyncfunc(api_endpoint, pet_id2)
.then(parseResponse.bind(null, pet_id2))
.then(response => {
    console.log(response);
}).catch(err => {
    console.log(err);
});