trimArray util function

commands/search/npm.js

@@ -1,6 +1,7 @@
 const { Command } = require('discord.js-commando');
 const { MessageEmbed } = require('discord.js');
 const snekfetch = require('snekfetch');
+const { trimArray } = require('../../util/Util');
 
 module.exports = class NPMCommand extends Command {
 	constructor(client) {
@@ -26,18 +27,8 @@ module.exports = class NPMCommand extends Command {
 		try {
 			const { body } = await snekfetch.get(`https://registry.npmjs.com/${query}`);
 			const version = body.versions[body['dist-tags'].latest];
-			let maintainers = body.maintainers.map(user => user.name);
+			const maintainers = trimArray(body.maintainers.map(user => user.name));
-			if (maintainers.length > 10) {
+			const dependencies = version.dependencies ? trimArray(Object.keys(version.dependencies)) : null;
-				const len = maintainers.length - 10;
-				maintainers = maintainers.slice(0, 10);
-				maintainers.push(`...${len} more.`);
-			}
-			let dependencies = version.dependencies ? Object.keys(version.dependencies) : null;
-			if (dependencies && dependencies.length > 10) {
-				const len = dependencies.length - 10;
-				dependencies = dependencies.slice(0, 10);
-				dependencies.push(`...${len} more.`);
-			}
 			const embed = new MessageEmbed()
 				.setColor(0xCB0000)
 				.setAuthor('NPM', 'https://i.imgur.com/ErKf5Y0.png')

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "xiaobot",
-	"version": "51.4.0",
+	"version": "51.4.1",
 	"description": "Your personal server companion.",
 	"main": "XiaoBot.js",
 	"scripts": {

util/Util.js

@@ -52,6 +52,15 @@ class Util {
 		return Math.floor(Math.random() * (max - min + 1)) + min;
 	}
 
+	static trimArray(arr, maxLen = 10) {
+		if (arr.length > maxLen) {
+			const len = arr.length - maxLen;
+			arr = arr.slice(0, maxLen);
+			arr.push(`${len} more...`);
+		}
+		return arr;
+	}
+
 	static promisifyAll(obj, suffix = 'Async') {
 		for (const key of Object.keys(obj)) {
 			if (typeof obj[key] !== 'function') continue;