Add spreadsheet

[kaleidawave]

Spreadsheet web app

Run with

npm i
npm run

Features

• Tab and shift keys to move around cells
• Syncs with server via web-sockets
• Expression evaluation (via mathematics-parser). Can reference cells =2*B1 + B2
• Resizable columns
• Horizontally drag numeric inputs to change value

To implement

• Save tables
• Send table information on new connection
• Recursive evaluation (and cyclic reference checking)
• Resizable rows
• Message sanitisation. More message checking (bad expressions, invalid positions) and error handling