function keys(o/*:any*/)/*:Array*/ { var ks = Object.keys(o), o2 = []; for(var i = 0; i < ks.length; ++i) if(Object.prototype.hasOwnProperty.call(o, ks[i])) o2.push(ks[i]); return o2; } function evert_key(obj/*:any*/, key/*:string*/)/*:EvertType*/ { var o = ([]/*:any*/), K = keys(obj); for(var i = 0; i !== K.length; ++i) if(o[obj[K[i]][key]] == null) o[obj[K[i]][key]] = K[i]; return o; } function evert(obj/*:any*/)/*:EvertType*/ { var o = ([]/*:any*/), K = keys(obj); for(var i = 0; i !== K.length; ++i) o[obj[K[i]]] = K[i]; return o; } function evert_num(obj/*:any*/)/*:EvertNumType*/ { var o = ([]/*:any*/), K = keys(obj); for(var i = 0; i !== K.length; ++i) o[obj[K[i]]] = parseInt(K[i],10); return o; } function evert_arr(obj/*:any*/)/*:EvertArrType*/ { var o/*:EvertArrType*/ = ([]/*:any*/), K = keys(obj); for(var i = 0; i !== K.length; ++i) { if(o[obj[K[i]]] == null) o[obj[K[i]]] = []; o[obj[K[i]]].push(K[i]); } return o; } var basedate = new Date(1899, 11, 30, 0, 0, 0); // 2209161600000 function datenum(v/*:Date*/, date1904/*:?boolean*/)/*:number*/ { var epoch = v.getTime(); if(date1904) epoch -= 1462*24*60*60*1000; var dnthresh = basedate.getTime() + (v.getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000; return (epoch - dnthresh) / (24 * 60 * 60 * 1000); } var refdate = new Date(); var dnthresh = basedate.getTime() + (refdate.getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000; var refoffset = refdate.getTimezoneOffset(); function numdate(v/*:number*/)/*:Date*/ { var out = new Date(); out.setTime(v * 24 * 60 * 60 * 1000 + dnthresh); if (out.getTimezoneOffset() !== refoffset) { out.setTime(out.getTime() + (out.getTimezoneOffset() - refoffset) * 60000); } return out; } /* ISO 8601 Duration */ function parse_isodur(s) { var sec = 0, mt = 0, time = false; var m = s.match(/P([0-9\.]+Y)?([0-9\.]+M)?([0-9\.]+D)?T([0-9\.]+H)?([0-9\.]+M)?([0-9\.]+S)?/); if(!m) throw new Error("|" + s + "| is not an ISO8601 Duration"); for(var i = 1; i != m.length; ++i) { if(!m[i]) continue; mt = 1; if(i > 3) time = true; switch(m[i].slice(m[i].length-1)) { case 'Y': throw new Error("Unsupported ISO Duration Field: " + m[i].slice(m[i].length-1)); case 'D': mt *= 24; /* falls through */ case 'H': mt *= 60; /* falls through */ case 'M': if(!time) throw new Error("Unsupported ISO Duration Field: M"); else mt *= 60; /* falls through */ case 'S': break; } sec += mt * parseInt(m[i], 10); } return sec; } var good_pd_date = new Date('2017-02-19T19:06:09.000Z'); if(isNaN(good_pd_date.getFullYear())) good_pd_date = new Date('2/19/17'); var good_pd = good_pd_date.getFullYear() == 2017; /* parses a date as a local date */ function parseDate(str/*:string|Date*/, fixdate/*:?number*/)/*:Date*/ { var d = new Date(str); if(good_pd) { /*:: if(fixdate == null) fixdate = 0; */ if(fixdate > 0) d.setTime(d.getTime() + d.getTimezoneOffset() * 60 * 1000); else if(fixdate < 0) d.setTime(d.getTime() - d.getTimezoneOffset() * 60 * 1000); return d; } if(str instanceof Date) return str; if(good_pd_date.getFullYear() == 1917 && !isNaN(d.getFullYear())) { var s = d.getFullYear(); if(str.indexOf("" + s) > -1) return d; d.setFullYear(d.getFullYear() + 100); return d; } var n = str.match(/\d+/g)||["2017","2","19","0","0","0"]; var out = new Date(+n[0], +n[1] - 1, +n[2], (+n[3]||0), (+n[4]||0), (+n[5]||0)); if(str.indexOf("Z") > -1) out = new Date(out.getTime() - out.getTimezoneOffset() * 60 * 1000); return out; } function cc2str(arr/*:Array*/)/*:string*/ { var o = ""; for(var i = 0; i != arr.length; ++i) o += String.fromCharCode(arr[i]); return o; } function dup(o/*:any*/)/*:any*/ { if(typeof JSON != 'undefined' && !Array.isArray(o)) return JSON.parse(JSON.stringify(o)); if(typeof o != 'object' || o == null) return o; if(o instanceof Date) return new Date(o.getTime()); var out = {}; for(var k in o) if(Object.prototype.hasOwnProperty.call(o, k)) out[k] = dup(o[k]); return out; } function fill(c/*:string*/,l/*:number*/)/*:string*/ { var o = ""; while(o.length < l) o+=c; return o; } /* TODO: stress test */ function fuzzynum(s/*:string*/)/*:number*/ { var v/*:number*/ = Number(s); if(!isNaN(v)) return v; if(!/\d/.test(s)) return v; var wt = 1; var ss = s.replace(/([\d]),([\d])/g,"$1$2").replace(/[$]/g,"").replace(/[%]/g, function() { wt *= 100; return "";}); if(!isNaN(v = Number(ss))) return v / wt; ss = ss.replace(/[(](.*)[)]/,function($$, $1) { wt = -wt; return $1;}); if(!isNaN(v = Number(ss))) return v / wt; return v; } // date regex reference - https://www.oreilly.com/library/view/regular-expressions-cookbook/9781449327453/ch04s04.html // matches mm/dd/yy, mm/dd/yyyy, dd/mm/yy, dd/mm/yyyy const STRICT_DATE_REGEX = [ "^(?:(1[0-2]|0[1-9])\\.(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])\\.(1[0-2]|0[1-9]))\\.([0-2][0-9]{3}|[0-9]{2})$", "^(?:(1[0-2]|0[1-9])\/(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])\/(1[0-2]|0[1-9]))\/([0-2][0-9]{3}|[0-9]{2})$", "^(?:(1[0-2]|0[1-9])-(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])-(1[0-2]|0[1-9]))-([0-2][0-9]{3}|[0-9]{2})$", "^(?:(1[0-2]|0[1-9])\\.(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])\\.(1[0-2]|0[1-9]))\\.([0-2][0-9]{3}|[0-9]{2})$", "^(?:(1[0-2]|0[1-9])\/(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])\/(1[0-2]|0[1-9]))\/([0-2][0-9]{3}|[0-9]{2})$", "^(?:(1[0-2]|0[1-9])-(3[01]|[12][0-9]|0[1-9])|(3[01]|[12][0-9]|0[1-9])-(1[0-2]|0[1-9]))-([0-2][0-9]{3}|[0-9]{2})$" ]; function fuzzydate(s/*:string*/, strictDate = false/*boolean*/)/*:Date*/ { var o = new Date(s), n = new Date(NaN); if(strictDate) { STRICT_DATE_REGEX.map(regex => { const matchStr = s.match(regex) if(matchStr){ return o; }; }); return n; } var y = o.getYear(), m = o.getMonth(), d = o.getDate(); if(isNaN(d)) return n; if(y < 0 || y > 8099) return n; if((m > 0 || d > 1) && y != 101) return o; if(s.toLowerCase().match(/jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec/)) return o; if(s.match(/[^-0-9:,\/\\]/)) return n; return o; } var safe_split_regex = "abacaba".split(/(:?b)/i).length == 5; function split_regex(str/*:string*/, re, def/*:string*/)/*:Array*/ { if(safe_split_regex || typeof re == "string") return str.split(re); var p = str.split(re), o = [p[0]]; for(var i = 1; i < p.length; ++i) { o.push(def); o.push(p[i]); } return o; }