Sha256: 6b328b8f699d104821f1d2c7fe1f63f32fd35226b1908e5f46be53a752f9c9c0
Contents?: true
Size: 938 Bytes
Versions: 165
Compression:
Stored size: 938 Bytes
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