Add missing marker options (offset, scale, opacity, opacityWhenCovered,
className) and popup options (closeOnClick, closeOnMove, anchor, offset,
className).
Return MarkerHandle from AddMarker with OnClick, OnDragStart, OnDrag,
OnDragEnd event methods. Return PopupHandle from ShowPopup with OnOpen,
OnClose event methods.
Upgrade drag signal writeback to fire during drag (throttled via
requestAnimationFrame) in addition to dragend, enabling real-time
position sync across clients.
Provides a Go API for interactive maps within Via applications:
- Plugin serves vendored MapLibre GL JS v4.7.1 assets
- Map struct with pre/post-render source, layer, marker, popup management
- Viewport signal sync (center, zoom, bearing, pitch) via hidden inputs
- FlyTo, SetCenter, SetZoom and other viewport setters via ExecScript
- Idempotent init script with SPA cleanup via MutationObserver
- Example app demonstrating markers, GeoJSON layers, and FlyTo actions
