Function createLevelNumberMap

app/core/utils.js:939–969

(levels, courseID)

}

const createLevelNumberMap = function (levels, courseID) {
  const levelNumberMap = {}
  let practiceLevelTotalCount = 0
  let practiceLevelCurrentCount = 0
  const isCoco = !showOzaria() && !OZ_COURSE_IDS.includes(courseID || '')
  for (let i = 0; i < levels.length; i++) {
    const level = levels[i]
    let levelNumber = (i - practiceLevelTotalCount) + 1
    if (isCoco && level.practice) {
      levelNumber = (i - practiceLevelTotalCount) + String.fromCharCode('a'.charCodeAt(0) + practiceLevelCurrentCount)
      practiceLevelTotalCount++
      practiceLevelCurrentCount++
    } else if (level.assessment && isCoco) {
      practiceLevelCurrentCount = 0
      const helpText = level.assessment === 'cumulative' ? $.t('play_level.combo_challenge') : $.t('play_level.concept_challenge')
      levelNumber = `${levelNumber}. ${helpText}`
    } else {
      practiceLevelCurrentCount = 0
    }
    if (level.key) {
      levelNumberMap[level.key] = levelNumber
    } else {
      levelNumberMap[level.key] = ''
    }

    if (courseID) {
      levelNumberMap[courseID + ':' + level.key] = levelNumberMap[level.key]
    }
  }
  return levelNumberMap
}

const isOptional = level => level != null ? level.optional : undefined
const isLocked = level => (level != null ? level.locked : undefined) && !isOptional(level)