BEM Utils

bem-utils.js

// BEM Util
export function getModifiers(prefix, modifiers) {
  if (!modifiers) return ''

  const array = modifiers
    .trim()
    .split(' ')
    .map(m => m.trim())
    .filter(Boolean)
  
  if (array.length === 0) return ''
  
  return array.map(m => `${prefix}--${m}`).join(' ')
}

// BEM Util
export function getElements(prefix, elems) {
  if (!elems) return ''

  const array = elems
    .trim()
    .split(' ')
    .map(e => e.trim())
    .filter(Boolean)

  if (array.length === 0) return ''

  return array.map(e => `${prefix}__${e}`).join(' ')
}

// BEM Util
export function modifierFactory(block) {
  return params => getModifiers(block, params)
}

// BEM Util
export function elementFactory(block) {
  return params => getElements(block, params)
}