const moment = require("moment"); const DateFormat = "MM/DD/yyyy"; const RuleSets = [ { title: "V1", range: [moment("2010-01-01"), moment("2023-04-01")], }, { title: "V2", range: [moment("2023-04-01"), moment("2024-09-01")], }, { title: "V3", range: [moment("2024-09-01"), moment("2040-01-01")], }, ]; function WhichRulesetToApply(close_date) { const DateMoment = close_date ? moment(close_date) : moment(); const newRuleSet = RuleSets.find( (r) => DateMoment.isSameOrAfter(r.range[0]) && DateMoment.isBefore(r.range[1]) ); //console.log("Using ruleset:", newRuleSet); return newRuleSet?.title; } exports.WhichRulesetToApply = WhichRulesetToApply;