move stuff around until it feels right

library/adapter/discord-js-adapter.ts

@@ -0,0 +1,103 @@
+import type * as Discord from "discord.js"
+import { raise } from "../../helpers/raise"
+import { toUpper } from "../../helpers/to-upper"
+import type { CommandInteraction, ComponentInteraction } from "../interaction"
+import type { Message, MessageOptions } from "../message"
+import type { Adapter } from "./adapter"
+
+export class DiscordJsAdapter implements Adapter<Discord.CommandInteraction> {
+  constructor(private client: Discord.Client) {}
+
+  addComponentInteractionListener(
+    listener: (interaction: ComponentInteraction) => void,
+  ) {
+    this.client.on("interactionCreate", (interaction) => {
+      if (interaction.isButton()) {
+        listener(createReacordComponentInteraction(interaction))
+      }
+    })
+  }
+
+  // eslint-disable-next-line class-methods-use-this
+  createCommandInteraction(
+    interaction: Discord.CommandInteraction,
+  ): CommandInteraction {
+    return {
+      type: "command",
+      id: interaction.id,
+      channelId: interaction.channelId,
+      reply: async (options) => {
+        const message = await interaction.reply({
+          ...getDiscordMessageOptions(options),
+          fetchReply: true,
+        })
+        return createReacordMessage(message as Discord.Message)
+      },
+      followUp: async (options) => {
+        const message = await interaction.followUp({
+          ...getDiscordMessageOptions(options),
+          fetchReply: true,
+        })
+        return createReacordMessage(message as Discord.Message)
+      },
+    }
+  }
+}
+
+function createReacordComponentInteraction(
+  interaction: Discord.MessageComponentInteraction,
+): ComponentInteraction {
+  return {
+    type: "button",
+    id: interaction.id,
+    channelId: interaction.channelId,
+    customId: interaction.customId,
+    update: async (options) => {
+      await interaction.update(getDiscordMessageOptions(options))
+    },
+  }
+}
+
+function createReacordMessage(message: Discord.Message): Message {
+  return {
+    edit: async (options) => {
+      await message.edit(getDiscordMessageOptions(options))
+    },
+    disableComponents: async () => {
+      for (const actionRow of message.components) {
+        for (const component of actionRow.components) {
+          component.setDisabled(true)
+        }
+      }
+
+      await message.edit({
+        components: message.components,
+      })
+    },
+  }
+}
+
+function getDiscordMessageOptions(
+  options: MessageOptions,
+): Discord.MessageOptions {
+  return {
+    content: options.content,
+    embeds: options.embeds,
+    components: options.actionRows.map((row) => ({
+      type: "ACTION_ROW",
+      components: row.map((component) => {
+        if (component.type === "button") {
+          return {
+            type: "BUTTON",
+            customId: component.customId,
+            label: component.label ?? "",
+            style: toUpper(component.style ?? "secondary"),
+            disabled: component.disabled,
+            emoji: component.emoji,
+          }
+        }
+        raise(`Unsupported component type: ${component.type}`)
+      }),
+    })),
+  }
+}