Sha256: 9e963bb1504d93cb48b09b005e502ea702af36ceebbf12f54d0ce30d5683b6d7
Contents?: true
Size: 964 Bytes
Versions: 211
Compression:
Stored size: 964 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 as ArgumentError};
Version data entries
211 entries across 211 versions & 1 rubygems