113 lines
3.7 KiB
JavaScript
113 lines
3.7 KiB
JavaScript
const stripIndents = require('common-tags').stripIndents;
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exports.run = async (bot, msg, args) => {
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let commands = [];
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let title = 'Categories';
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if (args.length > 0) {
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if (/^category|type$/i.test(args[0])) {
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if (args.length < 2) {
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throw 'You must specify a category!';
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}
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commands = bot.commands.all(args[1]);
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title = `${args[1]} Commands`;
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} else if (/^all|full|every$/i.test(args[0])) {
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commands = bot.commands.all();
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title = 'All Commands';
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} else {
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let command = bot.commands.get(args[0]);
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if (!command) {
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throw `The command '${args[0]}' does not exist!`;
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}
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commands = [command];
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title = `Help for \`${command.info.name}\``;
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}
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}
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if (commands.length > 0) {
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let fields = commands.filter(c => !c.info.hidden)
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.sort((a, b) => a.info.name.localeCompare(b.info.name))
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.map(c => getHelp(bot, c, commands.length === 1));
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// Temporary workaround for the 2k char limit
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let maxLength = 1900;
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let messages = [];
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while (fields.length > 0) {
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let len = 0;
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let i = 0;
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while (len < maxLength) {
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if (i >= fields.length) {
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break;
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}
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let field = fields[i];
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len += field.name.length + field.value.length;
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if (len >= maxLength) {
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break;
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}
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i++;
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}
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messages.push({ fields: fields.splice(0, i) });
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}
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msg.delete().catch(() => { });
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messages.map(m => m.fields).forEach(async fields => {
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(await msg.channel.send({
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embed: bot.utils.embed(title, '_This message will self-destruct in 90 seconds._ :boom:', fields)
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})).delete(90000);
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});
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} else {
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let categories = bot.commands.categories().sort();
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(await msg.edit({
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embed: bot.utils.embed(title, stripIndents`
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**Available categories:**
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${categories.map(c => `- __${c}__`).join('\n')}
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**Usage:**
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Do \`${bot.config.prefix}help category <name>\` for a list of commands in a specific category.
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Do \`${bot.config.prefix}help all\` for a list of every command available in this bot.
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Do \`${bot.config.prefix}help <command>\` for **extended** command help and command options.`)
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})).delete(15000);
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}
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};
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const getHelp = (bot, command, single) => {
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let description = stripIndents`
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**Usage:** \`${bot.config.prefix}${command.info.usage || command.info.name}\`
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**Description:** ${command.info.description || '<no description>'}
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**Category:** __${command.info.category}__`;
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if (command.info.credits)
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description += `\n**Credits:** *${command.info.credits}*`;
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if (single && command.info.examples)
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description += `\n**Examples:**\n${command.info.examples.map(example => `\`${bot.config.prefix}${example}\``).join('\n')}`;
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if (single && command.info.options instanceof Array) {
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let options = command.info.options.map(option => {
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return stripIndents`
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**${option.name}**
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*Usage:* \`${option.usage || option.name}\`
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*Description:* ${option.description}
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`;
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});
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description += `\n**Options:**\n\n${options.join('\n\n')}`;
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}
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return {
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name: single ? '\u200b' : command.info.name,
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value: description
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};
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};
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exports.info = {
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name: 'help',
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usage: 'help all|[command]|[category <name>]',
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description: 'Shows you help for all commands or just a single command'
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};
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