Contents

class NucleotideCount {
  static nucleotideCounts(strand: string) {
    const nucleotideOccurrences = {
      A: 0,
      C: 0,
      G: 0,
      T: 0
    }

    strand.split('').forEach((nucleotide) => {
      if (nucleotide in nucleotideOccurrences) {
        if (nucleotide === 'A') {nucleotideOccurrences.A++}
        if (nucleotide === 'C') {nucleotideOccurrences.C++}
        if (nucleotide === 'G') {nucleotideOccurrences.G++}
        if (nucleotide === 'T') {nucleotideOccurrences.T++}
      } else {
        throw new Error('Invalid nucleotide in strand')
      }
    })

    return nucleotideOccurrences
  }
}

export default NucleotideCount

Version data entries

68 entries across 68 versions & 1 rubygems

Version	Path
trackler-2.2.1.139	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.138	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.137	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.136	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.135	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.134	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.133	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.132	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.131	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.130	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.129	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.128	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.127	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.126	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.125	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.124	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.123	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.122	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.121	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.120	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts