feat: initial prototype

src/events/interactionCreate.ts

@@ -0,0 +1,43 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+import { about } from "../commands/about.js";
+import { add } from "../commands/add.js";
+import { dm } from "../commands/dm.js";
+import { list } from "../commands/list.js";
+import { remove } from "../commands/remove.js";
+import type { Command } from "../interfaces/command.js";
+import type { Liora } from "../interfaces/liora.js";
+import type { ChatInputCommandInteraction } from "discord.js";
+
+const handlers: { _default: Command } & Record<string, Command> = {
+  _default: async(_, interaction): Promise<void> => {
+    await interaction.reply({
+      content: `Unknown command: ${interaction.commandName}`,
+    });
+  },
+  about:  about,
+  add:    add,
+  dm:     dm,
+  list:   list,
+  remove: remove,
+};
+
+/**
+ * Processes a slash command.
+ * @param liora - Liora's Discord instance.
+ * @param interaction - The command interaction payload from Discord.
+ */
+const chatInputInteractionCreate = async(
+  liora: Liora,
+  interaction: ChatInputCommandInteraction<"cached">,
+): Promise<void> => {
+  const name = interaction.commandName;
+  // eslint-disable-next-line no-underscore-dangle -- We use _default as a fallback handler.
+  const handler = handlers[name] ?? handlers._default;
+  await handler(liora, interaction);
+};
+
+export { chatInputInteractionCreate };