codePreviews: fix edge case and logging for future issues

src/modules/codePreviews.js

@@ -2,6 +2,7 @@ const {ApplicationCommandOptionTypes, MessageFlags} = require("#util/dconstants.
 const InteractionCommand = require("#lib/interactionCommand.js");
 
 const events = require("#lib/events.js");
+const logger = require("#lib/logger.js");
 const {hasFlag} = require("#lib/guildSettings.js");
 const REGEX_GITHUB =
   /(?:\s|^)(\|\|\s*)?https?:\/\/(www\.)?github\.com\/[a-z0-9-]+\/[a-z0-9-._]+\/blob\/([a-z0-9-_.?&=#root/%]*)(\s*\|\|)?/gi;
@@ -120,6 +121,7 @@ events.add("messageCreate", "codePreviews", async function (msg) {
     for (const link of githubLinks) {
       const spoiler = REGEX_SPOILER.test(link);
       files.push(await processFile(link.replace("/blob/", "/raw/"), link, spoiler));
+      logger.verbose("hf:codePreviews", `Processed GitHub file: ${link}`);
     }
   }
 
@@ -127,6 +129,7 @@ events.add("messageCreate", "codePreviews", async function (msg) {
     for (const link of gitlabLinks) {
       const spoiler = REGEX_SPOILER.test(link);
       files.push(await processFile(link.replace("/blob/", "/raw/"), link, spoiler));
+      logger.verbose("hf:codePreviews", `Processed GitLab file: ${link}`);
     }
   }
 
@@ -134,6 +137,7 @@ events.add("messageCreate", "codePreviews", async function (msg) {
     for (const link of giteaLinks) {
       const spoiler = REGEX_SPOILER.test(link);
       files.push(await processFile(link.replace("/src/", "/raw/"), link, spoiler));
+      logger.verbose("hf:codePreviews", `Processed Gitea file: ${link}`);
     }
   }
 
@@ -147,6 +151,7 @@ events.add("messageCreate", "codePreviews", async function (msg) {
     if (file == "") continue;
 
     if (out.length + file.length > 2000) {
+      if (out.length > 0)
         await msg.channel.createMessage({
           content: out,
           allowedMentions: {

src/modules/utility/lookupinvite.js

@@ -121,20 +121,18 @@ lookupinvite.callback = async function (msg, line) {
 
         if (invite.guild.features) {
           const features = formatGuildFeatures(invite.guild.features);
-          embed.fields.push(
-            {
+          embed.fields.push({
             name: `Features (${features.length})`,
             value: features.length > 0 ? features.slice(0, Math.ceil(features.length / 2)).join("\n") : "None",
             inline: true,
-            },
-            features.length > 1
-              ? {
+          });
+          if (features.length > 1) {
+            embed.fields.push({
               name: "\u200b",
               value: features.slice(Math.ceil(features.length / 2), features.length).join("\n"),
               inline: true,
+            });
           }
-              : null
-          );
         }
 
         const guildIcon = invite.guild?.icon && CDNEndpoints.GUILD_ICON(invite.guild.id, invite.guild.icon);