discord.js paginator < 50 lines

paginator.ts

export function Paginate() {
    const __embeds = [] as EmbedBuilder[];
    let cur = 0;
    let traverser: [ButtonBuilder, ButtonBuilder];
    let message : Message;
    return {
        add(...embeds : EmbedBuilder[]) {
            __embeds.push(...embeds)
            return this;
        },
        setTraverser(tr : [ButtonBuilder, ButtonBuilder] ) {
            traverser = tr;
        },
        setMessage(_message : Message) {
            message = _message
        },
        async next() {
            cur++;
            if(cur >= __embeds.length) {
                cur = 0;
            }
            await message.edit(this.components());
        },
        async back() {
            cur--;
            if(cur <= -__embeds.length) {
                cur = 0;
            }
            await message.edit(this.components());
        },
        at(num : number) {
            return __embeds.at(num)
        },
        components() {
                return {
                    embeds : [__embeds.at(cur)!],
                    components : [
                        new ActionRowBuilder<ButtonBuilder>()
                        .addComponents(
                            traverser[0],
                            traverser[1]
                        )
                    ]
                }
            }
        }
}

//Usage : 

const paginator = Paginate();
      paginator.add(...embeds);
      const ids = [`${Date.now()}__left`, `${Date.now()}__right`]
	  paginator.setTraverser([ 
			new ButtonBuilder({ label : '<', custom_id : ids[0], style: ButtonStyle.Secondary}),
			new ButtonBuilder({ label : '>', custom_id : ids[1], style: ButtonStyle.Secondary}) 
	  ]);
      const message = await context.reply(paginator.components()); 
      paginator.setMessage(message)
      message.channel.createMessageComponentCollector({
        componentType: ComponentType.Button
       }).on('collect',async i => {
    	   if (i.customId === ids[0]) {
    		  await i.deferUpdate();
    		  await paginator.back();
    	  } else if(i.customId === ids[1]) {
    		  await i.deferUpdate();
    		  await paginator.next();
    	  }
      });