feat(atlas): add typed topology exports for world countries (#50)

- Add AtlasWorldCountriesTopology type for world countries topology
- Add typeName to world layer descriptors for accurate generated types
- Switch countries-10m/50m/110m to use the specific typed alias

Author: souljorje

.changeset/pink-zebras-guess.md

@@ -0,0 +1,6 @@
+---
+'@d3-maps/atlas': patch
+---
+
+- Add typed `AtlasWorldCountriesTopology` export for world countries topology
+- Add explicit `typeName` to world layer descriptors for accurate generated types

packages/atlas/scripts/api-plan.mjs

@@ -162,7 +162,7 @@ function createAtlasSharedDescriptors(rootDir, { countries, continents }) {
         group: 'world',
         slug: layer.id,
         scales: SCALES,
-        typeName: 'Topology',
+        typeName: layer.typeName,
       }),
       createEntityBarrelDescriptor({
         rootDir,

packages/atlas/scripts/utils.mjs

@@ -56,6 +56,7 @@ export const WORLD_LAYERS = [
     topologyFields: TOPOLOGY_FIELD_NAMES,
     propertyMode: TOPOLOGY_PROPERTY_MODE.NORMALIZE,
     propertyMap: TOPOLOGY_PROPERTY_MAP,
+    typeName: 'AtlasWorldCountriesTopology',
   },
   {
     id: 'land',
@@ -64,6 +65,7 @@ export const WORLD_LAYERS = [
     theme: 'physical',
     topologyFields: [],
     propertyMode: TOPOLOGY_PROPERTY_MODE.PRESERVE,
+    typeName: 'Topology',
   },
   {
     id: 'ocean',
@@ -72,6 +74,7 @@ export const WORLD_LAYERS = [
     theme: 'physical',
     topologyFields: [],
     propertyMode: TOPOLOGY_PROPERTY_MODE.PRESERVE,
+    typeName: 'Topology',
   },
   {
     id: 'coastline',
@@ -80,6 +83,7 @@ export const WORLD_LAYERS = [
     theme: 'physical',
     topologyFields: [],
     propertyMode: TOPOLOGY_PROPERTY_MODE.PRESERVE,
+    typeName: 'Topology',
   },
   {
     id: 'lakes',
@@ -88,6 +92,7 @@ export const WORLD_LAYERS = [
     theme: 'physical',
     topologyFields: [],
     propertyMode: TOPOLOGY_PROPERTY_MODE.PRESERVE,
+    typeName: 'Topology',
   },
   {
     id: 'rivers',
@@ -96,6 +101,7 @@ export const WORLD_LAYERS = [
     theme: 'physical',
     topologyFields: [],
     propertyMode: TOPOLOGY_PROPERTY_MODE.PRESERVE,
+    typeName: 'Topology',
   },
 ]
 

packages/atlas/src/world/countries/countries-10m.ts

@@ -1,4 +1,4 @@
-import type { Topology } from '../../types.ts'
+import type { AtlasWorldCountriesTopology } from '../../types.ts'
 import data from './countries-10m.json' with { type: 'json' }
 
-export default data as unknown as Topology
+export default data as unknown as AtlasWorldCountriesTopology

packages/atlas/src/world/countries/countries-110m.ts

@@ -1,4 +1,4 @@
-import type { Topology } from '../../types.ts'
+import type { AtlasWorldCountriesTopology } from '../../types.ts'
 import data from './countries-110m.json' with { type: 'json' }
 
-export default data as unknown as Topology
+export default data as unknown as AtlasWorldCountriesTopology

packages/atlas/src/world/countries/countries-50m.ts

@@ -1,4 +1,4 @@
-import type { Topology } from '../../types.ts'
+import type { AtlasWorldCountriesTopology } from '../../types.ts'
 import data from './countries-50m.json' with { type: 'json' }
 
-export default data as unknown as Topology
+export default data as unknown as AtlasWorldCountriesTopology