chipmunkbot3/commands/clearchat.js

const { literal, argument, greedyString } = require('brigadier-commands')

module.exports = {
  register (dispatcher) {
    const node = dispatcher.register(
      literal('clearchat')
        .executes(this.clearChatCommand.bind(this))
        .then(
          argument('targets', greedyString())
            .executes(this.targettedclearChatCommand.bind(this))
        )
    )

    dispatcher.register(literal('cc').executes(this.clearChatCommand.bind(this)).redirect(node))

    node.description = 'Clears the chat of everyone or a specific player'
    node.permissionLevel = 0
  },

  clearChatCommand (context) {
    const bot = context.source.bot
    this.sendclearChatCommandMessage(bot, '@a')
  },

  targettedclearChatCommand (context) {
    const bot = context.source.bot
    this.sendclearChatCommandMessage(bot, context.getArgument('targets'))
  },

  sendclearChatCommandMessage (bot, targets) {
    bot.tellraw({ text: '\n'.repeat(100) + 'The chat has been cleared', color: 'dark_green' }, targets)
  }
}