Simple Trello story point counter

trello-count-story-points.js

/**
 *  This is a Trello plugin for counting story points from card names.
 *  
 *  Usage:
 *    1) Have SP set in card title as such "(<SP>) <title>"
 */

function getSPFromCardName(card) {
    const p = /\((\d+)\)/
    const m = card.match(p)
    if (m)
        return Number(m[1])

    return 0
}

function setColumnName(id, name) {
    Trello.put(`/lists/${id}`, {
        name: name
    })
}


_COLUMN_REGEX = [/^Completed.*/, /^Next.*/, /^In Progress.*/];

(function() {

    Trello.board.get().then((board)=>{

        const lists = board.lists

        lists.forEach(async(list)=>{
            if (list.closed || !_COLUMN_REGEX.some(p=>p.test(list.name)))
                return

            const cards = await Trello.lists.get(`${list.id}/cards`)
            const storyPoints = cards.map(card=>Number(getSPFromCardName(card.name)))

            const total = storyPoints.reduce((a,b)=>a + b, 0)
            const columnName = list.name.replace(/ \(Total SP: \d+\)/, '')

            console.debug("Updating list: ", columnName, list)

            setColumnName(list.id, `${columnName} (Total SP: ${total})`)
        })

    })
}())