@johnrob1880/string-calc

string-calc

Utililty function to calculate literal strings.

Perform addition, subtraction, multiplication, and division on numbers.

let str = '1+2'
console.log(stringCalc(str)) // 3

str = '3-2';
console.log(stringCalc(str)) // 1

str = '2*2'
console.log(stringCalc(str)) // 4

str = '8/2'
console.log(stringCalc(str)) // 4

Add days to a date

// expects date format to be YYYYMMDD.
let str = '20180101d+10';
console.log(stringCalc(str)) // 20180121

Subtract days from a date

// expects date format to be YYYYMMDD.
let str = '20180131d-30';
console.log(stringCalc(str)) // 20180101

License

MIT.