Sha256: 6c3ffd71f143073f06a05173415cd6d9eea8d551f3a75f618f0465385db01347

Contents?: true

Size: 558 Bytes

Versions: 211

Compression:

Stored size: 558 Bytes

Contents

const BASE = 3;

export default class Trinary {

  constructor (decimal) {
    this.digits = [...decimal].reverse().map(Number);
  }

  toDecimal () {
    if (this.someDigitIsInvalid()) {
      return 0;
    }

    return this.digits.reduce(this.accumulator, 0);
  }

  someDigitIsInvalid() {
    const greaterThanBase = this.digits.some(d => d >= BASE);
    const notANumber = this.digits.some(d => isNaN(d));
    return greaterThanBase || notANumber;
  }

  accumulator (decimal, digit, index) {
    return decimal += digit * Math.pow(BASE, index);
  }

}

Version data entries

211 entries across 211 versions & 1 rubygems

Version Path
trackler-2.2.0.0 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.55 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.54 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.53 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.52 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.51 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.50 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.49 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.48 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.47 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.46 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.45 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.44 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.43 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.42 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.41 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.40 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.39 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.38 tracks/ecmascript/exercises/trinary/example.js
trackler-2.1.0.37 tracks/ecmascript/exercises/trinary/example.js