Contents

const possibleAllergies = [
  'eggs',
  'peanuts',
  'shellfish',
  'strawberries',
  'tomatoes',
  'chocolate',
  'pollen',
  'cats'
]; 

class Allergies {
  constructor(allergenIndex) {
    this.allergenIndex = allergenIndex;
  }

  list() {
    return possibleAllergies.filter((allergy, i) => {
      return this.allergenIndex & Math.pow(2, i);
    });
  }

  allergicTo(food) {
    return this.list().some(allergy => allergy === food);
  }
}

export default Allergies;

Version data entries

211 entries across 211 versions & 1 rubygems

Version	Path
trackler-2.0.6.35	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.34	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.33	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.32	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.31	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.30	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.29	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.28	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.27	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.26	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.25	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.24	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.23	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.22	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.21	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.20	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.19	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.18	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.17	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.16	tracks/ecmascript/exercises/allergies/example.js