Contents

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

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

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

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

export default Allergies;

Version data entries

185 entries across 185 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.179	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.178	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.177	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.176	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.175	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.174	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.173	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.172	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.171	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.170	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.169	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.167	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.166	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.165	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.164	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.163	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.162	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.161	tracks/ecmascript/exercises/allergies/example.js
trackler-2.2.1.160	tracks/ecmascript/exercises/allergies/example.js