move stuff around until it feels right

library/adapter/test-adapter.ts

@@ -0,0 +1,107 @@
+import { nanoid } from "nanoid"
+import { raise } from "../../helpers/raise"
+import type {
+  ButtonInteraction,
+  CommandInteraction,
+  ComponentInteraction,
+} from "../interaction"
+import type { Message, MessageButtonOptions, MessageOptions } from "../message"
+import type { Adapter } from "./adapter"
+
+export class TestAdapter implements Adapter<{}> {
+  readonly messages: TestMessage[] = []
+
+  // eslint-disable-next-line class-methods-use-this
+  private componentInteractionListener: (
+    interaction: ComponentInteraction,
+  ) => void = () => {}
+
+  addComponentInteractionListener(
+    listener: (interaction: ComponentInteraction) => void,
+  ): void {
+    this.componentInteractionListener = listener
+  }
+
+  // eslint-disable-next-line class-methods-use-this
+  createCommandInteraction(
+    interaction: CommandInteraction,
+  ): CommandInteraction {
+    return interaction
+  }
+
+  findButtonByLabel(label: string) {
+    for (const message of this.messages) {
+      for (const component of message.options.actionRows.flat()) {
+        if (component.type === "button" && component.label === label) {
+          return this.createButtonActions(component, message)
+        }
+      }
+    }
+    raise(`Couldn't find button with label "${label}"`)
+  }
+
+  private createButtonActions(
+    button: MessageButtonOptions,
+    message: TestMessage,
+  ) {
+    return {
+      click: () => {
+        this.componentInteractionListener(
+          new TestButtonInteraction(button.customId, message),
+        )
+      },
+    }
+  }
+}
+
+export class TestMessage implements Message {
+  constructor(public options: MessageOptions) {}
+
+  async edit(options: MessageOptions): Promise<void> {
+    this.options = options
+  }
+
+  async disableComponents(): Promise<void> {
+    for (const row of this.options.actionRows) {
+      for (const action of row) {
+        if (action.type === "button") {
+          action.disabled = true
+        }
+      }
+    }
+  }
+}
+
+export class TestCommandInteraction implements CommandInteraction {
+  readonly type = "command"
+  readonly id = "test-command-interaction"
+  readonly channelId = "test-channel-id"
+
+  constructor(private adapter: TestAdapter) {}
+
+  private createMesssage(messageOptions: MessageOptions): Message {
+    const message = new TestMessage(messageOptions)
+    this.adapter.messages.push(message)
+    return message
+  }
+
+  reply(messageOptions: MessageOptions): Promise<Message> {
+    return Promise.resolve(this.createMesssage(messageOptions))
+  }
+
+  followUp(messageOptions: MessageOptions): Promise<Message> {
+    return Promise.resolve(this.createMesssage(messageOptions))
+  }
+}
+
+export class TestButtonInteraction implements ButtonInteraction {
+  readonly type = "button"
+  readonly id = nanoid()
+  readonly channelId = "test-channel-id"
+
+  constructor(readonly customId: string, readonly message: TestMessage) {}
+
+  async update(options: MessageOptions): Promise<void> {
+    this.message.options = options
+  }
+}