ng-nebraska talk files - Filters - The Importance of Learning JavaScript and staying Marketable

emoji-getter.after.js

export default emojiGetter

function emojiGetter(emojiMap) {
  return emojify

  function emojify(emojiCode) {
    return emojiMap[emojiCode] || emojiMap.confused
  }
}

emoji-getter.test.after.js

import emojiGetter from './emoji-getter'
import emojiMap from './emoji-map'
const getEmoji = emojiGetter(emojiMap)

describe('emoji-getter', function() {
  it('should default to the confused emoji', function() {
    expect(emojiFilter()).to.equal('😕')
    expect(emojiFilter('gibberish')).to.equal('😕')
  })

  it('should return the right emoji for the emoji code', function() {
    expect(emojiFilter('cherries')).to.equal('🍒')
  })
})

emoji.factory.after.js

import angular from 'angular'
import emojiGetter from './emoji-getter'
import emojiMap from './emoji-map'

angular.module('emojiApp')
  .factory('emoji', emojiGetter(emojiMap))

emoji.filter.after.js

import angular from 'angular'
import emojiGetter from './emoji-getter'
import emojiMap from './emoji-map'

angular.module('emojiApp')
  .filter('emoji', () => emojiGetter(emojiMap))

emoji.filter.before.js

angular.module('emojiApp')
  .filter('emoji', emojiFilter)

function emojiFilter(emojiMap) {
  return emojify

  function emojify(emojiCode) {
    return emojiMap[emojiCode] || emojiMap.confused
  }
}

emoji.filter.test.before.js

describe('emoji filter', function() {
  beforeEach(module('emojiApp'))

  var emojiFilter

  beforeEach(inject($filter) {
    emojiFilter = $filter('emoji')
  })

  it('should default to the confused emoji', function() {
    expect(emojiFilter()).to.equal('😕')
    expect(emojiFilter('gibberish')).to.equal('😕')
  })

  it('should return the right emoji for the emoji code', function() {
    expect(emojiFilter('cherries')).to.equal('🍒')
  })
})