access SharePoint using client credentials "apponly" from nodejs applications
run npm install sharepoint-apponly-node --save
- Require the sharepoint-apponly module
var sharepoint=require('sharepoint-apponly-node');
2. Execute call to getSharePointAppOnlyAccessToken and get the token response body in the callback
sharepoint.getSharePointAppOnlyAccessToken('https://yoursubdomain.sharepoint.com',
'YourClientId','YourClientSecret',function(response){
console.log(response);
});
the result will be something like 