feat: spells feature plugin

Author: coffeeorgreentea

grimoire/modules/spells/src/runtime/plugins/spells-plugin.ts

@@ -0,0 +1,65 @@
+import { defineNovaPlugin } from '@gtc-nova/kit/runtime'
+import { spellRegistry } from '../utils/registry'
+import { useRuntimeConfig } from 'nitro/runtime'
+import type { SpellFeatures } from '../../features'
+import { getVirtualSpells } from '../exports'
+import { readGraphFromJSON, writeGraphToJSON } from '@magickml/behave-graph'
+import type { Spell, SerializedSpell } from '../../types'
+import fs from 'fs/promises'
+import path from 'path'
+
+export default defineNovaPlugin<SpellFeatures, any, any, any, any>({
+  useRuntimeConfig,
+  initialize: (nitro, config) => {
+    const spellOptions = config.spells || {}
+    return { spellOptions }
+  },
+  before: async (nitro, br) => {},
+  runtimeSetup: {
+    spells: {
+      getVirtualHandlers: getVirtualSpells,
+      initFeatureHandlers: async (nitro, handlers) => {
+        for (const handler of handlers) {
+          const spellDefinition = (await handler.handler()).default
+          console.log('feature spell scanned:', spellDefinition)
+        }
+        // const spellsDir = path.join(process.cwd(), 'server', 'spells');
+        // await loadSpellsFromDirectory(spellsDir);
+        // for (const handler of handlers) {
+        //   const spellDefinition = (await handler.handler()).default;
+        //   spellRegistry.add(spellDefinition);
+        // }
+      },
+    },
+  },
+  after: (nitro, br) => {
+    // @ts-ignore todo: declare
+    nitro.spellRegistry = spellRegistry
+    console.info(
+      'Spell module initialized. Use nitro.spellRegistry to access spells.'
+    )
+  },
+})
+
+async function loadSpellsFromDirectory(directory: string) {
+  try {
+    const files = await fs.readdir(directory)
+    for (const file of files) {
+      if (path.extname(file) === '.json') {
+        const filePath = path.join(directory, file)
+        const content = await fs.readFile(filePath, 'utf-8')
+        const serializedSpell: SerializedSpell = JSON.parse(content)
+        const spell: Spell = {
+          ...serializedSpell,
+          graph: readGraphFromJSON({
+            graphJson: serializedSpell.graph,
+            registry: useRuntimeConfig().registry,
+          }),
+        }
+        spellRegistry.add(spell)
+      }
+    }
+  } catch (error) {
+    console.error('Error loading spells from directory:', error)
+  }
+}