✨ Add function to categorize gamemaster data into Pokémon, forms, and moves

code/websites/pokedex.online/server/gamemaster-api.js

@@ -85,6 +85,73 @@ function loadFile(filename) {
   return JSON.parse(content);
 }
 
+/**
+ * Break up gamemaster into separate categories
+ * @param {Array} gamemaster - Full gamemaster data
+ * @returns {Object} Separated data {pokemon, pokemonAllForms, moves}
+ */
+function breakUpGamemaster(gamemaster) {
+  const regionCheck = ['alola', 'galarian', 'hisuian', 'paldea'];
+
+  const result = gamemaster.reduce(
+    (acc, item) => {
+      const templateId = item.templateId;
+
+      // POKEMON FILTER
+      if (
+        templateId.startsWith('V') &&
+        templateId.toLowerCase().includes('pokemon')
+      ) {
+        const pokemonSettings = item.data?.pokemonSettings;
+        const pokemonId = pokemonSettings?.pokemonId;
+
+        acc.pokemonAllForms.push(item);
+
+        const form = pokemonSettings?.form;
+        const isRegionalForm =
+          form && typeof form === 'string'
+            ? regionCheck.includes(form.split('_')[1]?.toLowerCase())
+            : false;
+
+        if (
+          !acc.pokemonSeen.has(pokemonId) ||
+          (acc.pokemonSeen.has(pokemonId) && isRegionalForm)
+        ) {
+          acc.pokemonSeen.add(pokemonId);
+          acc.pokemon.push(item);
+        }
+      }
+
+      // POKEMON MOVE FILTER
+      if (
+        templateId.startsWith('V') &&
+        templateId.toLowerCase().includes('move')
+      ) {
+        const moveSettings = item.data?.moveSettings;
+        const moveId = moveSettings?.movementId;
+        if (!acc.moveSeen.has(moveId)) {
+          acc.moveSeen.add(moveId);
+          acc.moves.push(item);
+        }
+      }
+
+      return acc;
+    },
+    {
+      pokemon: [],
+      pokemonAllForms: [],
+      moves: [],
+      pokemonSeen: new Set(),
+      moveSeen: new Set()
+    }
+  );
+
+  delete result.pokemonSeen;
+  delete result.moveSeen;
+
+  return result;
+}
+
 // ============================================================================
 // ROUTES
 // ============================================================================