const auth = {
    client: {
        id: 'xxxx'
    },
    auth: {
        tokenHost: 'https://login.live.com/oauth20_authorize.srf'
    }
};

const oauth2 = require('simple-oauth2');

async function getToken() {
    try {
        const result = await oauth2.clientCredentials.getToken(auth);
        console.log(result); // null
        const accessToken = oauth2.accessToken.create(result);
        console.log(accessToken); // null
    } catch (error) {
        return console.log(error.output);
    }
}

async function upload(fileName, path) { // upload to 1drive
    let stream = fs.createReadStream(path);
    return new Promise(async function (resolve, reject) {
        let token = await run();
        console.log(token);
        onedriveAPI.items.uploadSimple({
            accessToken: token,
            filename: fileName,
            driveId: "driveId",
            readableStream: stream,
        }).then((item) => {
            console.log(item);
        });
    });
}