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