tsgammon-core/src/records/utils/formatPlyRecord.ts

A Backgammon library for Typescript, formerly developed as a part of tsgammon-ui

import { MoveFormatDirection } from '../../utils/formatAbsMove'
import { formatPlyAbbr } from '../../utils/formatPly'
import { PlyRecord } from '../PlyRecord'
import { SGResult } from '../SGResult'

/**
 * 一手番でのプレイ（チェッカープレイ・キューブアクション）を文字列に変換する
 *
 * @param plyRecord
 * @param direction
 * @param fmtDoublet
 * @param labelNoMove
 * @returns
 */
export function formatPlyRecord(
    plyRecord: PlyRecord,
    direction: MoveFormatDirection = MoveFormatDirection.RELATIVE_DEC,
    fmtDoublet = true,
    labelNoMove = ''
) {
    switch (plyRecord.tag) {
        case 'Commit': {
            return formatPlyAbbr(
                plyRecord.ply,
                direction,
                fmtDoublet,
                labelNoMove
            )
        }
        case 'Double': {
            return ' Doubles => ' + plyRecord.cubeValue
        }
        case 'Pass': {
            return 'Drops'
        }
        case 'Take': {
            return ' Takes'
        }
        case 'EOG': {
            const stake = plyRecord.stake
            return plyRecord.sgResult === SGResult.NOGAME
                ? 'No game'
                : formatStake(
                      plyRecord.sgResult === SGResult.REDWON
                          ? stake.redScore
                          : stake.whiteScore
                  )
        }
    }

    function formatStake(score: number): string {
        return score === 0 ? '' : `Wins ${score} point`
    }
}