Contents

const ArgumentError = () => ({
  name: 'argument error',
  message: 'oops',
});

const re = new RegExp(/(plus|minus|divided by|multiplied by)+/g);

class Wordy {

  constructor(question) {
    this.numbers = question.match(/[-]{0,1}\d+/g);
    this.operands = question.match(re);
  }

  answer() {
    if (!this.numbers || !this.operands) {
      throw new ArgumentError();
    }
    let ii = 1,
      jj = 0,
      result = +this.numbers[0];

    while (ii < this.numbers.length + 1) {
      const op = this.operands[jj++],
        b = +this.numbers[ii++] || null;
      switch (op) {
        case 'plus' :
          result += b;
          break;
        case 'minus' :
          result -= b;
          break;
        case 'multiplied by' :
          result *= b;
          break;
        case 'divided by' :
          result /= b;
          break;
      }
    }
    return result;
  }
}

export { Wordy as WordProblem, ArgumentError };

Version data entries

165 entries across 165 versions & 1 rubygems

Version	Path
trackler-2.2.1.119	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.118	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.117	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.116	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.115	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.114	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.113	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.111	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.110	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.109	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.108	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.107	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.106	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.105	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.104	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.103	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.102	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.101	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.100	tracks/ecmascript/exercises/wordy/example.js
trackler-2.2.1.99	tracks/ecmascript/exercises/wordy/example.js