fetcher.js

const fetch = require('node-fetch')

exports.getBase64 = getBase64 = async(url) => {
    const response = await fetch(url, { headers: { 'User-Agent': 'okhttp/4.5.0' } });
    if (!response.ok) throw new Error(`unexpected response ${response.statusText}`);
    const buffer = await response.buffer();
    const videoBase64 = `data:${response.headers.get('content-type')};base64,` + buffer.toString('base64');
    if (buffer)
        return videoBase64;
};

exports.getBuffer = getBuffer = async(url) => {
    const res = await fetch(url, { headers: { 'User-Agent': 'okhttp/4.5.0' }, method: 'GET' })
    if (!res.ok) throw "Error while fetching data"
    const buff = await res.buffer()
    if (buff) return buff
        //if (buff)
        //    return { type: res.headers.get('content-type'), result: buff }
}

exports.fetchJson = fetchJson = (url, options) => new Promise(async(resolve, reject) => {
    fetch(url, options)
        .then(response => response.json())
        .then(json => {
            resolve(json)
        })
        .catch((err) => {
            reject(err)
        })
})


exports.fetchText = fetchText = (url, options) => new Promise(async(resolve, reject) => {
    fetch(url, options)
        .then(response => response.text())
        .then(text => {
            resolve(text)
        })
        .catch((err) => {
            reject(err)
        })
})