ludic/examples/library/ui_component_parts/Counter.ludic
Orkuncakilkaya 20d011f8e9 feat(lang): UI components as files - component Name { ... } beside Name.xml and Name.lss
The compiler turns a component declaration into:
- a record of its props and state;
- a constructor, a props setter, a model and a call;
- a class, registered with ludic.ui at start.

Its template and styles are read from beside it and compiled in, with @import inlined, and a
missing template fails the build.

In the runtime:
- each mounted instance keeps its own props and state, and `set` in a template writes the state;
- styles are scoped to the component;
- class, style and id on a component's tag land on its root, styled by the parent's sheet too;
- ui_reload re-reads a component's files from disk and keeps instances.

The package's own module is now ludic_ui, so a program may call a directory of its own ui.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-24 16:50:12 +03:00

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# Counter.ludic — a component: what it takes (props), keeps (state), works out and does
component Counter {
prop label: string
prop step: int = 1
state count: int = 0
doubled: int = count * 2
function big() -> bool { return count > 3 }
on bump() { count += step }
}