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-2.0.6.15	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.14	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.13	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.12	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.11	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.10	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.9	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.8	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.7	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.6	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.5	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.4	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.3	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.2	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.1	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.6.0	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.5.18	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.5.17	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.5.16	tracks/ecmascript/exercises/allergies/example.js
trackler-2.0.5.15	tracks/ecmascript/exercises/allergies/example.js