@visactor/vtable-gantt
Version:
canvas table width high performance
391 lines (329 loc) • 16.1 kB
JavaScript
export function throttle(func, delay) {
let timer = null;
return function(...args) {
timer || (func.apply(this, args), timer = setTimeout((() => {
timer = null;
}), delay));
};
}
export function throttle2(func, delay) {
let timer = null;
return function(...args) {
timer || (timer = setTimeout((() => {
func.apply(this, args), timer = null;
}), delay));
};
}
export function getTodayNearDay(dayOffset, format) {
const todayTime = (new Date).getTime(), date = new Date(todayTime + 864e5 * dayOffset);
if (format) {
const year = date.getFullYear().toString(), month = (date.getMonth() + 1).toString().padStart(2, "0"), day = date.getDate().toString().padStart(2, "0");
return format = (format = (format = format.replace("yyyy", year)).replace("mm", month)).replace("dd", day);
}
return date;
}
export function formatDate(date, format) {
const year = date.getFullYear().toString(), month = (date.getMonth() + 1).toString().padStart(2, "0"), day = date.getDate().toString().padStart(2, "0");
if ((format = (format = (format = format.replace("yyyy", year)).replace("mm", month)).replace("dd", day)).length > 10) {
const hour = date.getHours().toString().padStart(2, "0"), minute = date.getMinutes().toString().padStart(2, "0"), second = date.getSeconds().toString().padStart(2, "0");
format = (format = (format = format.replace("hh", hour)).replace("mm", minute)).replace("ss", second);
}
return format;
}
function validateDate(dateParts, format) {
const yearIndex = format.indexOf("yyyy"), monthIndex = format.indexOf("mm"), dayIndex = format.indexOf("dd"), dateMonthIndex = monthIndex < yearIndex ? monthIndex < dayIndex ? 0 : 1 : monthIndex < dayIndex ? 1 : 2, dateDayIndex = dayIndex < yearIndex ? dayIndex < monthIndex ? 0 : 1 : dayIndex < monthIndex ? 1 : 2, year = parseInt(dateParts[yearIndex < monthIndex ? yearIndex < dayIndex ? 0 : 1 : monthIndex < dayIndex ? 1 : 2], 10), month = parseInt(dateParts[dateMonthIndex], 10) - 1, day = parseInt(dateParts[dateDayIndex], 10);
if (isNaN(year) || year < 1) return !1;
if (isNaN(month) || month < 0 || month > 11) return !1;
const daysInMonth = [ 31, isLeapYear(year) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
return !(isNaN(day) || day < 1 || day > daysInMonth[month]);
}
function validateTime(dateParts, format) {
if (format.includes("hh") || format.includes("mm") || format.includes("ss")) {
const timeIndex = format.indexOf("hh") > -1 ? format.indexOf("hh") : format.indexOf("HH"), hour = parseInt(dateParts[timeIndex], 10), minute = parseInt(dateParts[timeIndex + 1], 10), second = dateParts.length > timeIndex + 2 ? parseInt(dateParts[timeIndex + 2], 10) : 0;
if (isNaN(hour) || hour < 0 || hour > 23) return !1;
if (isNaN(minute) || minute < 0 || minute > 59) return !1;
if (isNaN(second) || second < 0 || second > 59) return !1;
}
return !0;
}
function isLeapYear(year) {
return year % 4 == 0 && year % 100 != 0 || year % 400 == 0;
}
export function parseDateFormat(dateString) {
const formats = [ "yyyy-mm-dd", "dd-mm-yyyy", "mm/dd/yyyy", "yyyy/mm/dd", "dd/mm/yyyy", "yyyy.mm.dd", "mm.dd.yyyy", "dd.mm.yyyy" ], timeFormat = [ "hh:mm:ss", "hh:mm" ], dates = (dateString = dateString.trim()).split(" "), date = dates[0], time = dates[1];
let dateFormatMatched, timeFormatMatched;
if (date) for (let i = 0; i < formats.length; i++) {
const format = formats[i], dateParts = date.split(getSeparator(format)), isValid = validateDate(dateParts, format);
if (3 === dateParts.length && isValid) {
dateFormatMatched = format;
break;
}
}
if (dateFormatMatched && time) for (let i = 0; i < timeFormat.length; i++) {
const format = timeFormat[i], timeParts = time.split(getSeparator(format)), formatParts = format.split(getSeparator(format));
if (validateTime(timeParts, format) && timeParts.length === formatParts.length) {
timeFormatMatched = format;
break;
}
}
return date && time && dateFormatMatched && timeFormatMatched ? dateFormatMatched + " " + timeFormatMatched : date && !time ? dateFormatMatched : "yyyy-mm-dd hh:mm:ss";
}
function getSeparator(format) {
const separators = format.match(/[^\w]/g);
if (separators) {
const escapedSeparators = separators.map((s => "\\" + s)).join("|");
return new RegExp(escapedSeparators, "g");
}
return /[^\w]/;
}
export function parseStringTemplate(template, data) {
return template.replace(/\{([^}]+)\}/g, ((match, key) => {
const keys = key.split(".");
let value = data;
for (const k of keys) {
if (!value.hasOwnProperty(k)) {
value = match;
break;
}
value = value[k];
}
return value;
}));
}
export function toBoxArray(obj) {
return Array.isArray(obj) ? 3 === obj.length ? [ obj[0], obj[1], obj[2], obj[1] ] : 2 === obj.length ? [ obj[0], obj[1], obj[0], obj[1] ] : 1 === obj.length ? [ obj[0], obj[0], obj[0], obj[0] ] : [ obj[0], obj[1], obj[2], obj[3] ] : [ obj, obj, obj, obj ];
}
export function getWeekNumber(currentDate) {
const startOfYear = new Date(currentDate.getFullYear(), 0, 1);
return Math.ceil(((currentDate.getTime() + 1 - startOfYear.getTime()) / 864e5 + 1) / 7);
}
export function getWeekday(dateString, format = "long") {
const days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], date = new Date(dateString);
return "short" === format ? days[date.getDay()].substr(0, 3) : "long" === format ? days[date.getDay()] : 'Invalid format specified. Please use "short" or "long".';
}
export function isPropertyWritable(obj, prop) {
const descriptor = Object.getOwnPropertyDescriptor(obj, prop);
return !!descriptor && (!!descriptor.set || !0 === descriptor.writable);
}
export function createDateAtMidnight(dateStr, forceMidnight = !1) {
let date;
if (dateStr) {
if (date = new Date(dateStr), "string" == typeof dateStr) {
if (dateStr.length > 10) return forceMidnight && date.setHours(0, 0, 0, 0), date;
date.setHours(0, 0, 0, 0);
}
} else date = new Date;
return forceMidnight && date.setHours(0, 0, 0, 0), date;
}
export function createDateAtLastMinute(dateStr, forceSetMinute = !1) {
let date;
if (dateStr) {
if (date = new Date(dateStr), "string" == typeof dateStr) {
if (dateStr.length > 10) return forceSetMinute && date.setMinutes(59, 59, 999),
date;
date.setMinutes(59, 59, 999);
}
} else date = new Date;
return forceSetMinute && date.setMinutes(59, 59, 999), date;
}
export function createDateAtLastSecond(dateStr, forceSetSecond = !1) {
let date;
if (dateStr) {
if (date = new Date(dateStr), "string" == typeof dateStr) {
if (dateStr.length > 10) return forceSetSecond && date.setSeconds(59, 999), date;
date.setSeconds(59, 999);
}
} else date = new Date;
return forceSetSecond && date.setSeconds(59, 999), date;
}
export function createDateAtLastMillisecond(dateStr, forceSetMillisecond = !1) {
let date;
if (dateStr) {
if (date = new Date(dateStr), "string" == typeof dateStr) {
if (dateStr.length > 10) return forceSetMillisecond && date.setMilliseconds(999),
date;
date.setMilliseconds(999);
}
} else date = new Date;
return forceSetMillisecond && date.setMilliseconds(999), date;
}
export function createDateAtLastHour(dateStr, forceLastHour = !1) {
let date;
if (dateStr) {
if (date = new Date(dateStr), "string" == typeof dateStr) {
if (dateStr.length > 10) return forceLastHour && date.setHours(23, 59, 59, 999),
date;
date.setHours(23, 59, 59, 999);
}
} else date = new Date;
return forceLastHour && date.setHours(23, 59, 59, 999), date;
}
export function getEndDateByTimeUnit(startDate, date, timeScale, step) {
let endDate = new Date(date);
switch (timeScale) {
case "second":
endDate.setMilliseconds(999);
break;
case "minute":
endDate.setSeconds(59, 999);
break;
case "hour":
endDate.setMinutes(59, 59, 999);
break;
case "day":
endDate.setHours(23, 59, 59, 999);
break;
case "week":
const diffToEndOfWeek = 6 - endDate.getDay();
endDate.setDate(endDate.getDate() + diffToEndOfWeek), endDate.setHours(23, 59, 59, 999);
break;
case "month":
const lastDayOfMonth = new Date(endDate.getFullYear(), endDate.getMonth() + 1, 0).getDate();
endDate.setDate(lastDayOfMonth), endDate.setHours(23, 59, 59, 999);
break;
case "quarter":
const currentMonth = endDate.getMonth(), endMonthOfQuarter = currentMonth - currentMonth % 3 + 2, lastDayOfQuarter = new Date(endDate.getFullYear(), endMonthOfQuarter + 1, 0).getDate();
endDate.setMonth(endMonthOfQuarter, lastDayOfQuarter), endDate.setHours(23, 59, 59, 999);
break;
case "year":
endDate.setMonth(11, 31), endDate.setHours(23, 59, 59, 999);
break;
default:
throw new Error("Invalid time scale");
}
const count = computeCountToTimeScale(endDate, startDate, timeScale, step, 1), targetCount = Math.ceil(count);
if (targetCount > count) {
const dif = (targetCount - count) * step, msInSecond = 1e3, msInMinute = 60 * msInSecond, msInHour = 60 * msInMinute, msInDay = 24 * msInHour, msInWeek = 7 * msInDay;
new Date(endDate.getTime() + 1);
switch (timeScale) {
case "second":
endDate.setTime(endDate.getTime() + dif * msInSecond);
break;
case "minute":
endDate.setTime(endDate.getTime() + dif * msInMinute);
break;
case "hour":
endDate.setTime(endDate.getTime() + dif * msInHour);
break;
case "day":
endDate.setTime(endDate.getTime() + dif * msInDay);
break;
case "week":
endDate.setTime(endDate.getTime() + dif * msInWeek);
break;
case "month":
endDate = new Date(endDate.getFullYear(), endDate.getMonth() + 1 + Math.round(dif), 0),
endDate.setHours(23, 59, 59, 999);
break;
case "quarter":
const currentMonth = endDate.getMonth(), endMonthOfQuarter = currentMonth - currentMonth % 3 + 2;
endDate = new Date(endDate.getFullYear(), endMonthOfQuarter + Math.round(3 * dif) + 1, 0),
endDate.setHours(23, 59, 59, 999);
break;
case "year":
endDate.setFullYear(endDate.getFullYear() + Math.floor(dif)), endDate.setHours(23, 59, 59, 999);
break;
default:
throw new Error("Invalid time scale");
}
}
return endDate;
}
export function getStartDateByTimeUnit(date, timeScale, startOfWeekSetting = "monday") {
const startDate = new Date(date);
switch (timeScale) {
case "second":
startDate.setMilliseconds(0);
break;
case "minute":
startDate.setSeconds(0, 0);
break;
case "hour":
startDate.setMinutes(0, 0, 0);
break;
case "day":
startDate.setHours(0, 0, 0, 0);
break;
case "week":
const day = startDate.getDay();
let diffToStartOfWeek = day;
diffToStartOfWeek = "monday" === startOfWeekSetting ? 0 === day ? -6 : 1 - day : -day,
startDate.setDate(startDate.getDate() + diffToStartOfWeek), startDate.setHours(0, 0, 0, 0);
break;
case "month":
startDate.setDate(1), startDate.setHours(0, 0, 0, 0);
break;
case "quarter":
const currentMonth = startDate.getMonth(), startMonthOfQuarter = currentMonth - currentMonth % 3;
startDate.setMonth(startMonthOfQuarter, 1), startDate.setHours(0, 0, 0, 0);
break;
case "year":
startDate.setMonth(0, 1), startDate.setHours(0, 0, 0, 0);
break;
default:
throw new Error("Invalid time scale");
}
return startDate;
}
export function computeCountToTimeScale(date, startDate, timeScale, step, diffMS = 0) {
let difference;
const adjusted_date = new Date(date.getTime() + diffMS);
switch (timeScale) {
case "second":
difference = (adjusted_date.getTime() - startDate.getTime()) / 1e3;
break;
case "minute":
difference = (adjusted_date.getTime() - startDate.getTime()) / 6e4;
break;
case "hour":
difference = (adjusted_date.getTime() - startDate.getTime()) / 36e5;
break;
case "day":
difference = (adjusted_date.getTime() - startDate.getTime()) / 864e5;
break;
case "week":
difference = (adjusted_date.getTime() - startDate.getTime()) / 6048e5;
break;
case "month":
const startDaysInMonth = new Date(startDate.getFullYear(), startDate.getMonth() + 1, 0).getDate(), adjustedDaysInMonth = new Date(adjusted_date.getFullYear(), adjusted_date.getMonth() + 1, 0).getDate();
difference = 12 * (adjusted_date.getFullYear() - startDate.getFullYear()) + (adjusted_date.getMonth() - startDate.getMonth()),
difference += adjusted_date.getDate() / adjustedDaysInMonth - startDate.getDate() / startDaysInMonth;
break;
case "quarter":
difference = 4 * (adjusted_date.getFullYear() - startDate.getFullYear()) + (adjusted_date.getMonth() - startDate.getMonth()) / 3,
difference += (adjusted_date.getDate() - startDate.getDate()) / (3 * new Date(adjusted_date.getFullYear(), adjusted_date.getMonth() + 1, 0).getDate());
break;
case "year":
difference = adjusted_date.getFullYear() - startDate.getFullYear(), difference += (adjusted_date.getMonth() - startDate.getMonth()) / 12;
break;
default:
throw new Error("Invalid time scale");
}
return difference / step;
}
export function parseDateToTimeUnit(date, timeUnit) {
const daysInMonth = new Date(date.getFullYear(), date.getMonth() + 1, 0).getDate();
switch (timeUnit) {
case "second":
return date.getMilliseconds() / 1e3;
case "minute":
return (date.getSeconds() + date.getMilliseconds() / 1e3) / 60;
case "hour":
return (60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / 3600;
case "day":
return (60 * date.getHours() * 60 + 60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / 86400;
case "week":
return (24 * date.getDay() * 60 * 60 + 60 * date.getHours() * 60 + 60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / 604800;
case "month":
return (24 * (date.getDate() - 1) * 60 * 60 + 60 * date.getHours() * 60 + 60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / (24 * daysInMonth * 60 * 60);
case "quarter":
const monthInQuarter = date.getMonth() % 3, daysInQuarter = 3 * new Date(date.getFullYear(), date.getMonth() + 1, 0).getDate();
return (24 * (monthInQuarter * daysInMonth + date.getDate() - 1) * 60 * 60 + 60 * date.getHours() * 60 + 60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / (24 * daysInQuarter * 60 * 60);
case "year":
const daysInYear = isLeapYear(date.getFullYear()) ? 366 : 365;
return (24 * (date.getMonth() * daysInMonth + date.getDate() - 1) * 60 * 60 + 60 * date.getHours() * 60 + 60 * date.getMinutes() + date.getSeconds() + date.getMilliseconds() / 1e3) / (24 * daysInYear * 60 * 60);
default:
throw new Error("Invalid time unit");
}
}
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