vuematerial/vue-material

export const getIndentedSource = source => {
  let lines = source.split('\n')
  let matches

  if (lines[0] === '') {
    lines.shift()
  }

  let indentation = (matches = (/^[\s\t]+/).exec(lines[0])) !== null ? matches[0] : null

  if (indentation) {
    lines = lines.map(line => {
      line = line.replace(indentation, '')

      return line.replace(/\t/g, '  ')
    })

    return lines.join('\n').trim()
  }

  return source
}

export default {
  getIndentedSource,
  reindentSource () {
    const block = this.$refs.block

    block.textContent = getIndentedSource(block.textContent)
  }
}