eval.js
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eval.js
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	import { SlashCommandBuilder } from 'discord.js';

	const clip = (s, n) => (s.length > n ? s.slice(0, n) + '\n…' : s);

	export default {
	builder: new SlashCommandBuilder()
	.setName('eval')
	.setDescription('evaluate javascript (owner only)')
	.addStringOption(o => o.setName('code').setDescription('code to evaluate').setRequired(true)),
	ownerOnly: true,
	run: async i => {
	const code = i.options.getString('code', true);

	let buf = '';
	const sink = { write(s) { buf += s; return true; } };
	const captured = new console.Console({ stdout: sink, stderr: sink });

	try {
	await eval(`(async (console) => { ${code} })`)(captured);
	} catch (err) {
	captured.error(err?.stack ?? String(err));
	}

	const content = buf ? '```ansi\n' + clip(buf, 1900) + '\n```' : '_(no output)_';
	await i.reply({ content });
	}
	};