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Viewing / Editing File: align-content.js

let flexSpec = require('./flex-spec')
let Declaration = require('../declaration')

class AlignContent extends Declaration {
  /**
   * Change property name for 2012 spec
   */
  prefixed(prop, prefix) {
    let spec
    ;[spec, prefix] = flexSpec(prefix)
    if (spec === 2012) {
      return prefix + 'flex-line-pack'
    }
    return super.prefixed(prop, prefix)
  }

/**
   * Return property name by final spec
   */
  normalize() {
    return 'align-content'
  }

/**
   * Change value for 2012 spec and ignore prefix for 2009
   */
  set(decl, prefix) {
    let spec = flexSpec(prefix)[0]
    if (spec === 2012) {
      decl.value = AlignContent.oldValues[decl.value] || decl.value
      return super.set(decl, prefix)
    }
    if (spec === 'final') {
      return super.set(decl, prefix)
    }
    return undefined
  }
}

AlignContent.names = ['align-content', 'flex-line-pack']

AlignContent.oldValues = {
  'flex-end': 'end',
  'flex-start': 'start',
  'space-between': 'justify',
  'space-around': 'distribute'
}

module.exports = AlignContent

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Viewing / Editing File: align-content.js

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