ClosedBit Guide Part 5: Libraries

#Part 5. Libraries

#Part 5 Section 1. Learn These First

Most first apps need only a small library set.

Library	Purpose
`CB-Console`	Input and terminal output
`CB-Math`	Checked numeric helpers and fallbacks
`CB-Storage`	`.cb` saves
`CB-AssetLoader`	Project assets
`CB-UI`	HTML UI
`CB-Render`	Direct drawing
`CB-Popup`	User-facing error dialogs
`CB-Networking.HTTP`	Outgoing web requests
`CB-Networking.API`	Local routes or API clients
`CB-Security.Auth`	Login/session checks
`CB-Security.RBAC`	Role checks
`CB-Library.Testing`	Assertions and small benchmarks
`CB-Library.Logging`	Debug logs

Import the libraries you use. A short import list makes missing functions easier to spot.

#Part 5 Section 2. Making A Library

A .cbl library should do one job clearly. Export stable functions and build it with compile library.

library CB-TextTools

fn CB-TextTools.slug(string text) -> string {
    string lower = string.lower(text)
    return string.replace(lower, " ", "-")
}

compile library CB-TextTools.cbp bin/CB-TextTools.cbl small compute

Place the compiled .cbl in the project libraries folder, then import it from another .cbp.