Code exercise with jurassic park actor filtering

nonJPActors.ts

// Data Sets:
// There are two data sets below: An object of humans with names as keys,
// and an array of Jurassic Park films.
​
// Goal: Create an array of objects that contain ONLY the humans who are
// NOT cast in any jurassic park films. The array of objects should have
// this structure:
​
// [
//   {
//     name: 'Tom Wilhoit',
//     nationality: 'Kiwi',
//     imdbStarMeterRating: 1
//   }
// ]
​
export const humans = {
  'Sam Neill': {
    yearBorn: 1947,
    nationality: 'Irish',
    imdbStarMeterRating: 5000,
  },
  'Tom Wilhoit': {
    yearBorn: 1777,
    nationality: 'Kiwi',
    imdbStarMeterRating: 1,
  },
  'Laura Dern': {
    yearBorn: 1967,
    nationality: 'American',
    imdbStarMeterRating: 5000,
  },
  'Jeff Goldblum': {
    yearBorn: 1952,
    nationality: 'American',
    imdbStarMeterRating: 5000,
  },
  'Jeo D': {
    yearBorn: 1776,
    nationality: 'Martian',
    imdbStarMeterRating: 0,
  },
  'Richard Attenborough': {
    yearBorn: 1923,
    nationality: 'British',
    imdbStarMeterRating: 5000,
  },
  'Ariana Richards': {
    yearBorn: 1979,
    nationality: 'American',
    imdbStarMeterRating: 5000,
  },
  'Joseph Mazello': {
    yearBorn: 1983,
    nationality: 'American',
    imdbStarMeterRating: 21,
  },
  'Justin Duncan': {
    yearBorn: 1775,
    nationality: 'Alien',
    imdbStarMeterRating: 0,
  },
  'BD Wong': {
    yearBorn: 1960,
    nationality: 'American',
    imdbStarMeterRating: 5000,
  },
  'Chris Pratt': {
    yearBorn: 1979,
    nationality: 'American',
    imdbStarMeterRating: 500,
  },
  'Karin Ohman': {
    yearBorn: 1995,
    nationality: 'Chinese',
    imdbStarMeterRating: 0,
  },
  'Bryce Dallas Howard': {
    yearBorn: 1981,
    nationality: 'American',
    imdbStarMeterRating: 80,
  },
}
​
export const movies = [
  {
    title: 'Jurassic Park',
    director: 'Steven Spielberg',
    leadingActor: 'Sam Neill',
    cast: [
      'Sam Neill',
      'Laura Dern',
      'Jeff Goldblum',
      'Richard Attenborough',
      'Ariana Richards',
      'Joseph Mazello',
      'BD Wong',
    ],
    dinos: [
      'Brachiosaurus',
      'Dilophosaurus',
      'Gallimimus',
      'Triceratops',
      'Parasaurolophus',
      'Tyrannosaurus Rex',
      'Velociraptor',
    ],
    yearReleased: 1993,
    hasOscar: true,
    millionsGrossed: 1029,
  },
  {
    title: 'The Lost World: Jurassic Park',
    director: 'Steven Spielberg',
    leadingActor: 'Jeff Goldblum',
    cast: [
      'Jeff Goldblum',
      'Richard Attenborough',
      'Ariana Richards',
      'Joseph Mazello',
    ],
    dinos: [
      'Compsognathus',
      'Gallimimus',
      'Mamenchisaurus',
      'Pachycephalosaurus',
      'Parasaurolophus',
      'Pteranodon',
      'Stegosaurus',
      'Triceratops',
      'Tyrannosaurus Rex',
      'Velociraptor',
    ],
    yearReleased: 1997,
    hasOscar: false,
    millionsGrossed: 619,
  },
  {
    title: 'Jurassic Park III',
    director: 'Joe Johnston',
    leadingActor: 'Sam Neill',
    cast: ['Sam Neill', 'Laura Dern'],
    dinos: [
      'Ankylosaurus',
      'Brachiosaurus',
      'Ceratosaurus',
      'Corythosaurus',
      'Parasaurolophus',
      'Pteranodon',
      'Spinosaurus',
      'Stegosaurus',
      'Triceratops',
      'Tyrannosaurus Rex',
      'Velociraptor',
    ],
    yearReleased: 2001,
    hasOscar: false,
    millionsGrossed: 369,
  },
  {
    title: 'Jurassic World',
    director: 'Colin Trevorrow',
    leadingActor: 'Chris Pratt',
    cast: [
      'Jeff Goldblum',
      'Richard Attenborough',
      'BD Wong',
      'Chris Pratt',
      'Bryce Dallas Howard',
    ],
    dinos: [
      'Ankylosaurus',
      'Apatosaurus',
      'Dimorphodon',
      'Gallimimus',
      'Indominus Rex',
      'Mosasaurus',
      'Pachycephalosaurus',
      'Parasaurolophus',
      'Pteranodon',
      'Stegosaurus',
      'Triceratops',
      'Tyrannosaurus Rex',
      'Velociraptor',
    ],
    yearReleased: 2015,
    hasOscar: false,
    millionsGrossed: 1672,
  },
  {
    title: 'Jurassic World: Fallen Kingdom',
    director: 'J. A. Bayona',
    leadingActor: 'Chris Pratt',
    cast: [
      'Jeff Goldblum',
      'Richard Attenborough',
      'BD Wong',
      'Chris Pratt',
      'Bryce Dallas Howard',
    ],
    dinos: [
      'Allosaurus',
      'Ankylosaurus',
      'Apatosaurus',
      'Baryonyx',
      'Brachiosaurus',
      'Carnotaurus',
      'Compsognathus',
      'Dilophosaurus',
      'Gallimimus',
      'Indominus Rex',
      'Indoraptor',
      'Mosasaurus',
      'Parasaurolophus',
      'Pteranodon',
      'Sinoceratops',
      'Stegosaurus',
      'Stygimoloch',
      'Triceratops',
      'Tyrannosaurus Rex',
      'Velociraptor',
    ],
    yearReleased: 2018,
    hasOscar: false,
    millionsGrossed: 1304,
  },
]

const jpActors = movies.reduce(
  (acc, current) =>
    acc.concat(current.cast.filter((actor: string) => acc.indexOf(actor) < 0)),
  [],
)
const nonJpActors = (Object.keys(humans) as Array<keyof typeof humans>).reduce(
  (acc, current) => {
    if (jpActors.indexOf(current) < 0) {
      const human = humans[current]
      delete human.yearBorn
      acc.push({ ...human, name: current })
    }
    return acc
  },
  [] as { imdbStarMeterRating: number; name: string; nationality: string }[],
)

console.log('jpActors', jpActors, nonJpActors)