Refactor

commands/countChars.cjs

@@ -0,0 +1,65 @@
+const { SlashCommandBuilder, Discord, codeBlock } = require('discord.js');
+
+module.exports = {
+	data: new SlashCommandBuilder()
+		.setName('count_chars')
+		.setDescription('Counts the number of characters in a string')
+		.addStringOption(option =>
+			option.setName('string')
+				.setDescription("String to count characters in")
+				.setRequired(false)
+		)
+		.addStringOption(option =>
+			option.setName('messageid')
+				.setDescription("Message ID of message to count characters in")
+				.setRequired(false)
+		),
+	async execute(interaction, client) {
+		var inputString;
+
+		if (interaction.options.getString('string') !== null) {
+			inputString = interaction.options.getString('string');
+		} else if (interaction.options.getString('messageid') !== null) {
+			var messageId = interaction.options.getString('messageid');
+			const messagefromId = await client.channels.cache.get(interaction.channel.id).messages.fetch(messageId);
+			inputString = messagefromId.content;
+		}
+		let inputStringPrint;
+		if (inputString.length > 1000) {
+			inputStringPrint = "too long to copy";
+		} else {
+			inputStringPrint = inputString;
+		}
+		
+		await interaction.reply("Input: `" + inputStringPrint + "`\n" + "input length: " + inputString.length + " characters long" +  "\n Output: " + codeBlock("", countChars(inputString)));
+		console.log("User " + interaction.user.tag + " ran /count_chars");
+	},
+};
+
+function countChars(string) {
+	var outputString = "";
+	string = string.toLowerCase();
+	var letterCount = Array(65535).fill(0); // Creates an array with 26 values, all equaling 0.
+	for (let i = 0; i < string.length; ++i) {
+		let currentChar = string.charAt(i);
+		let arrayIndex = currentChar.charCodeAt(0);
+		if (string.charAt(i).search(/^[A-Z]+$/) === 0) {
+			arrayIndex += 32; //This should make it cast any uppercase characters to lowercase
+		}
+		letterCount[arrayIndex]++;
+	}
+	for (let i = 0; i < letterCount.length; ++i) {
+		let currentChar = String.fromCharCode(i).toUpperCase();;
+		if (currentChar.charCodeAt(0) == 10 || currentChar.charCodeAt(0) == 13 || currentChar.charCodeAt(0) == 30 || currentChar.charCodeAt(0) == 115 || currentChar.charCodeAt(0) == 21 || currentChar.charCodeAt(0) == 118) {
+			currentChar = "newline";
+		}
+		if (currentChar.charCodeAt(0) == 32) {
+			currentChar = "whitespace"
+		}
+		if (letterCount[i] > 0) {
+			outputString += "Number of " + currentChar + "'s: " + letterCount[i] + "\n";
+		}
+	}
+	return outputString;
+}
+//console.log(countChars("test string"));