discord.js-game/src/functions/boxConsole.js

Discord games is a powerful npm package with a collection of minigames for your discord bot

const chalk = require('chalk');
const stringWidth = require('string-width');

module.exports = {
	boxConsole: function(messages) {
		let tips = [];
		let maxLen = 0;
		const defaultSpace = 4;
		const spaceWidth = stringWidth(' ');
		if (Array.isArray(messages)) {
			tips = Array.from(messages);
		} else {
			tips = [messages];
		}
		tips = [' ', ...tips, ' '];
		tips = tips.map((msg) => ({ val: msg, len: stringWidth(msg) }));
		maxLen = tips.reduce((len, tip) => {
			maxLen = Math.max(len, tip.len);
			return maxLen;
		}, maxLen);
		maxLen += spaceWidth * 2 * defaultSpace;
		tips = tips.map(({ val, len }) => {
			let i = 0;
			let j = 0;
			while (len + i * 2 * spaceWidth < maxLen) {
				i++;
			}
			j = i;
			while (j > 0 && len + i * spaceWidth + j * spaceWidth > maxLen) {
				j--;
			}
			return ' '.repeat(i) + val + ' '.repeat(j);
		});
		const line = chalk.yellow('─'.repeat(maxLen));
		console.log(chalk.yellow('┌') + line + chalk.yellow('┐'));
		for (const msg of tips) {
			console.log(chalk.yellow('│') + msg + chalk.yellow('│'));
		}
		console.log(chalk.yellow('└') + line + chalk.yellow('┘'));
	},
};