run.js
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run.js
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	import { SlashCommandBuilder, ModalBuilder, TextInputBuilder, TextInputStyle, ActionRowBuilder } from 'discord.js';

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

	export default {
	builder: new SlashCommandBuilder().setName('run').setDescription('evaluate javascript via modal (owner only)'),
	ownerOnly: true,
	run: async i => {
	const modal = new ModalBuilder()
	.setCustomId('run-modal')
	.setTitle('run')
	.addComponents(
	new ActionRowBuilder().addComponents(
	new TextInputBuilder()
	.setCustomId('code')
	.setLabel('code')
	.setStyle(TextInputStyle.Paragraph)
	.setRequired(true),
	),
	);

	await i.showModal(modal);

	const submitted = await i.awaitModalSubmit({
	time: 300_000,
	filter: x => x.customId === 'run-modal' && x.user.id === i.user.id,
	}).catch(() => null);
	if (!submitted) return;

	const code = submitted.fields.getTextInputValue('code');

	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 submitted.reply({ content });
	}
	};

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