Migrating a desktop app to Ext JS

How do you take a 20 year old desktop application that is used in over 300 hospitals by more than 2000 users and move it to the web? var answer = [‘JS Framework’, ‘Weekends’, ‘Database’, ‘Caffeine’, ‘Server Side code’, ’CSS’, ‘beer’, ‘Sprint Reviews’, ‘SASS’, ‘Web Sockets’].join(); Wednesday January 22, we’ll talk about what we've done so far (phase I is in Beta) and what is next (phase 2 and 3).