Better typeguard (#162)

src/commands/music/lyrics.ts

@@ -1,6 +1,6 @@
 import { SlashCommandBuilder } from "@discordjs/builders";
 import { Player, useMainPlayer, useQueue } from "discord-player";
-import { ChannelType, ChatInputCommandInteraction, Client, EmbedBuilder } from "discord.js";
+import { ChatInputCommandInteraction, Client, EmbedBuilder } from "discord.js";
 import { getLocale, getLocalizations } from "../../utils/locales";
 import { getFilename } from "../../utils/misc";
 
@@ -131,12 +131,12 @@ export default {
 
       syncedLyrics?.onChange(async (lyrics) => {
         const content = `[${data[0].trackName}]: ${lyrics}`;
-        if (interaction.channel?.type === ChannelType.GroupDM) {
-          await interaction.followUp({
+        if (interaction.channel?.isSendable()) {
+          await interaction.channel?.send({
             content,
           });
         } else {
-          await interaction.channel?.send({
+          await interaction.followUp({
             content,
           });
         }

src/events/message/messageCreate.ts

@@ -1,11 +1,4 @@
-import {
-  ChannelType,
-  Client,
-  EmbedBuilder,
-  GuildMember,
-  Message,
-  TextBasedChannel,
-} from "discord.js";
+import { Client, EmbedBuilder, GuildMember, Message, TextBasedChannel } from "discord.js";
 import { getLocale } from "../../utils/locales";
 import { isImage, userWithNickname } from "../../utils/misc";
 import { showDate } from "../../utils/time";
@@ -172,7 +165,7 @@ export default async (message: Message, client: Client) => {
       !message.content.replace(new RegExp(regex, "g"), "").trim() &&
       messages.length === urls.length &&
       !message.mentions.repliedUser &&
-      message.channel.type !== ChannelType.GroupDM
+      message.channel.isSendable()
     ) {
       message.delete();
       return message.channel.send({ embeds: [embed] });

src/events/player/playerStart.ts

@@ -1,6 +1,6 @@
 import { EmbedBuilder } from "@discordjs/builders";
 import { GuildQueue, Track } from "discord-player";
-import { ChannelType, Client } from "discord.js";
+import { Client } from "discord.js";
 import { Metadata } from "../../utils/metadata";
 import { emojiPng } from "../../utils/misc";
 
@@ -20,7 +20,7 @@ export default (queue: GuildQueue<Metadata>, track: Track, client: Client) => {
       iconURL: emojiPng("🎶"),
     });
 
-  if (queue.metadata.channel?.type !== ChannelType.GroupDM) {
+  if (queue.metadata.channel?.isSendable()) {
     queue.metadata?.channel?.send({ embeds: [embed] });
   }
 };

src/utils/reminder.ts

@@ -1,4 +1,4 @@
-import { ChannelType, Client, Colors, EmbedBuilder, User } from "discord.js";
+import { Client, Colors, EmbedBuilder, User } from "discord.js";
 import { getLocale } from "./locales";
 import { cleanCodeBlock } from "./misc";
 import { showDate, strToSeconds, timeDeltaToString } from "./time";
@@ -169,7 +169,7 @@ export const sendReminder = (client: Client, info: infoReminder, option: OptionR
   } else {
     // Channel
     client.channels.fetch(info.channelId ?? "").then((channel) => {
-      if (channel?.isTextBased() && channel.type !== ChannelType.GroupDM) {
+      if (channel?.isSendable()) {
         let content = `<@${info.userId}>`;
         embed.setFooter({
           text: `${loc.get("c_reminder17")} ${timeDeltaToString(info.createdAt)}`,