3606-coupon-code-validator

DevGod
Elf Vtuber
/** * @param {string[]} code * @param {string[]} businessLine * @param {boolean[]} isActive * @return {string[]} */var validateCoupons = function(code, businessLine, isActive) { let cat = new Set(["electronics", "grocery", "pharmacy", "restaurant"]); return (_.zip(code,businessLine, isActive) .filter( (el)=> el[0].match(/^[a-zA-Z0-9_]+$/g) ) .filter( (el)=> cat.has(el[1]) ) .filter( (el)=>el[2])) .sort( (a,b)=> { if(a[1][0] === b[1][0]){ return a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0; } return a[1][0] < b[1][0] ? -1 : a[1][0] > b[1][0] ? 1 : 0; }) .map( (el)=>el[0]);};