chipmunkbot3/commands/matrix.js

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

module.exports = {
  register (dispatcher) {
    const node = dispatcher.register(
      literal('matrix')
        .executes(c => this.matrixCommand(c))
    )

    node.description = 'Sends the Matrix invite'
    node.permissionLevel = 0
  },

  matrixCommand (context) {
    const source = context.source
    const bot = source.bot

    source.sendFeedback([
      { text: 'Join the ', color: 'gray' },
      { text: 'ChipmunkBot Matrix', ...bot.styles.primary },
      ' at ',
      {
        text: bot.matrix.inviteUrl,
        ...bot.styles.secondary,

        hoverEvent: {
          action: 'show_text',
          contents: 'Click to copy the invite link to your clipboard!'
        },
        clickEvent: {
          action: 'copy_to_clipboard', // * Minecraft, and Java's URI class in general, seem to hate `#`, so open_url does not work.
          value: bot.matrix.inviteUrl
        }
      },
      '!'
    ], false)
  }
}