Initial commit

packages/lib/src/discord/commands/command-helpers.ts

@@ -0,0 +1,72 @@
+import { Constants } from '@projectdysnomia/dysnomia';
+import type {
+  CommandInteraction,
+  ExecutableInteraction,
+  Interaction,
+  AutocompleteInteraction,
+  ComponentInteraction,
+  ModalSubmitInteraction,
+  PingInteraction,
+} from '../types';
+
+export function isApplicationCommand(interaction: Interaction): interaction is CommandInteraction {
+  return interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND;
+}
+
+export function isModalSubmit(interaction: Interaction): interaction is ModalSubmitInteraction {
+  return interaction.type === Constants.InteractionTypes.MODAL_SUBMIT;
+}
+
+export function isMessageComponent(interaction: Interaction): interaction is ComponentInteraction {
+  return interaction.type === Constants.InteractionTypes.MESSAGE_COMPONENT;
+}
+
+export function isAutocomplete(interaction: Interaction): interaction is AutocompleteInteraction {
+  return interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND_AUTOCOMPLETE;
+}
+
+export function isPing(interaction: Interaction): interaction is PingInteraction {
+  return interaction.type === Constants.InteractionTypes.PING;
+}
+
+export function commandHasName(interaction: Interaction, name: string): boolean {
+  return isApplicationCommand(interaction) && interaction.data.name === name;
+}
+
+export function commandHasIdPrefix(interaction: Interaction, prefix: string): boolean {
+  return (isModalSubmit(interaction) || isMessageComponent(interaction)) && interaction.data.custom_id.startsWith(prefix);
+}
+
+export function getCommandName(interaction: ExecutableInteraction): string | undefined {
+  if (isApplicationCommand(interaction) || isAutocomplete(interaction)) {
+    return interaction.data.name;
+  }
+  return undefined;
+}
+
+export function augmentInteraction(interaction: Interaction): Interaction {
+  interaction.isApplicationCommand = function (): this is CommandInteraction {
+    return interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND;
+  };
+  interaction.isModalSubmit = function (): this is ModalSubmitInteraction {
+    return interaction.type === Constants.InteractionTypes.MODAL_SUBMIT;
+  };
+  interaction.isMessageComponent = function (): this is ComponentInteraction {
+    return interaction.type === Constants.InteractionTypes.MESSAGE_COMPONENT;
+  };
+  interaction.isAutocomplete = function (): this is AutocompleteInteraction {
+    return interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND_AUTOCOMPLETE;
+  };
+  interaction.isPing = function (): this is PingInteraction {
+    return interaction.type === Constants.InteractionTypes.PING;
+  };
+  interaction.isExecutable = function (): this is ExecutableInteraction {
+    return (
+      interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND ||
+      interaction.type === Constants.InteractionTypes.MODAL_SUBMIT ||
+      interaction.type === Constants.InteractionTypes.MESSAGE_COMPONENT ||
+      interaction.type === Constants.InteractionTypes.APPLICATION_COMMAND_AUTOCOMPLETE
+    );
+  };
+  return interaction;
+}