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import { BushCommand, type ArgType, type BushMessage, type BushSlashMessage } from '#lib';
import assert from 'assert';
import { MessageEmbed } from 'discord.js';
import { VM } from 'vm2';
assert(VM);
export default class JavascriptCommand extends BushCommand {
public constructor() {
super('javascript', {
aliases: ['javascript', 'js'],
category: 'dev',
description: 'Evaluate code in a sand boxed environment.',
usage: ['javascript <code> [--depth #]'],
examples: ['javascript 9+10'],
args: [
{
id: 'code',
description: 'The code you would like to run in a sand boxed environment.',
match: 'rest',
prompt: 'What code would you like to run in a sand boxed environment?',
retry: '{error} Invalid code to run in a sand boxed environment.',
slashType: 'STRING'
},
{
id: 'sel_depth',
description: 'How deep to inspect the output.',
match: 'option',
type: 'integer',
flag: '--depth',
default: 0,
prompt: 'How deep would you like to inspect the output?',
slashType: 'INTEGER',
optional: true
}
],
slash: true,
superUserOnly: true,
clientPermissions: (m) => util.clientSendAndPermCheck(m),
userPermissions: []
});
}
public override async exec(
message: BushMessage | BushSlashMessage,
args: {
sel_depth: ArgType<'integer'>;
code: string;
}
) {
if (!message.author.isSuperUser())
return await message.util.reply(`${util.emojis.error} Only super users can run this command.`);
if (message.util.isSlashMessage(message)) {
await message.interaction.deferReply({ ephemeral: false });
}
const code = args.code.replace(/[“”]/g, '"').replace(/```*(?:js)?/g, '');
const embed = new MessageEmbed();
const input = await util.inspectCleanRedactCodeblock(code, 'js');
try {
const rawOutput = /^(9\s*?\+\s*?10)|(10\s*?\+\s*?9)$/.test(code)
? '21'
: new VM({ eval: true, wasm: true, timeout: 1_000, fixAsync: true }).run(`${code}`);
const output = await util.inspectCleanRedactCodeblock(rawOutput, 'js', {
depth: args.sel_depth ?? 0,
getters: true,
inspectStrings: true
});
embed.setTitle(`${util.emojis.successFull} Successfully Evaluated Expression`).setColor(util.colors.success);
embed.addField('📥 Input', input);
embed.addField('📤 Output', output);
} catch (e) {
embed.setTitle(`${util.emojis.errorFull} Unable to Evaluate Expression`).setColor(util.colors.error);
embed.addField('📥 Input', input);
embed.addField('📤 Error', await util.inspectCleanRedactCodeblock(e, 'js'));
}
embed
.setTimestamp()
.setFooter({ text: message.author.tag, iconURL: message.author.displayAvatarURL({ dynamic: true }) ?? undefined });
await message.util.reply({ embeds: [embed] });
}
}
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