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-2.2.1.159	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.158	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.157	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.156	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.155	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.154	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.153	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.152	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.151	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.150	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.149	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.148	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.147	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.146	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.145	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.144	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.143	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.142	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.141	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts
trackler-2.2.1.140	tracks/typescript/exercises/nucleotide-count/nucleotide-count.example.ts