usage

function load() {
// CLIENT_ID is an id you will need to get through the google developer console
// DISCOVERY_DOCS is an array [], can be empty in most cases
// SCOPES list of scopes seperated by spaces, propably one of those: https://www.googleapis.com/auth/drive.appdata or https://www.googleapis.com/auth/drive.appdata or https://www.googleapis.com/auth/drive.file
drive.load("CLIENT_ID", DISCOVERY_DOCS, "SCOPES").then(() => {
console.log("google client loaded");
});
}

function isLoggedIn() {
if(drive.isLoggedIn()) {
console.log("user is logged in");
} else {
console.log("user is NOT logged in");
}
}

function login() {
drive.login().then(() => {
console.log("login successfull");
})
}

function create() {
drive.create("test-file.json").then((data) => {
// file created

// the id of the file is in fileId
let fileId = data.result.id;

// push some content into the file
drive.update(fileId, "Test-Content")
});
}

function list() {
drive.list().then((data) => {
// all files where you have access to
let files = data.result.files;

// download the content of each file
files.forEach(file => {
drive.download(file.id).then((data) => {
file.content = data.body;
})
});
});
}