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-2.0.8.51	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.50	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.49	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.48	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.47	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.46	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.45	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.44	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.43	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.42	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.41	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.40	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.39	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.38	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.37	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.36	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.35	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.34	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.33	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.8.32	tracks/ecmascript/exercises/allergies/example.js