@catull/igniteui-angular
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Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
286 lines • 35.6 kB
JavaScript
import { DateRangeType } from '../core/dates';
const MDAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
const FEBRUARY = 1;
export function range(start = 0, stop, step = 1) {
const res = [];
const cur = (stop === undefined) ? 0 : start;
const max = (stop === undefined) ? start : stop;
for (let i = cur; step < 0 ? i > max : i < max; i += step) {
res.push(i);
}
return res;
}
/**
* Returns true for leap years, false for non-leap years.
*
* @export
* @param year
* @returns
*/
export function isLeap(year) {
return (year % 4 === 0) && ((year % 100 !== 0) || (year % 400 === 0));
}
export function weekDay(year, month, day) {
return new Date(year, month, day).getDay();
}
/**
* Return weekday and number of days for year, month.
*
* @export
* @param year
* @param month
* @returns
*/
export function monthRange(year, month) {
if ((month < 0) || (month > 11)) {
throw new Error('Invalid month specified');
}
const day = weekDay(year, month, 1);
let nDays = MDAYS[month];
if ((month === FEBRUARY) && (isLeap(year))) {
nDays++;
}
return [day, nDays];
}
export function isDateInRanges(date, ranges) {
date = new Date(date.getFullYear(), date.getMonth(), date.getDate());
const dateInMs = date.getTime();
if (!ranges) {
return false;
}
for (const descriptor of ranges) {
const dRanges = descriptor.dateRange ? descriptor.dateRange.map(r => new Date(r.getFullYear(), r.getMonth(), r.getDate())) : undefined;
switch (descriptor.type) {
case (DateRangeType.After):
if (dateInMs > dRanges[0].getTime()) {
return true;
}
break;
case (DateRangeType.Before):
if (dateInMs < dRanges[0].getTime()) {
return true;
}
break;
case (DateRangeType.Between):
const dRange = dRanges.map(d => d.getTime());
const min = Math.min(dRange[0], dRange[1]);
const max = Math.max(dRange[0], dRange[1]);
if (dateInMs >= min && dateInMs <= max) {
return true;
}
break;
case (DateRangeType.Specific):
const datesInMs = dRanges.map(d => d.getTime());
for (const specificDateInMs of datesInMs) {
if (dateInMs === specificDateInMs) {
return true;
}
}
break;
case (DateRangeType.Weekdays):
const day = date.getDay();
if (day % 6 !== 0) {
return true;
}
break;
case (DateRangeType.Weekends):
const weekday = date.getDay();
if (weekday % 6 === 0) {
return true;
}
break;
default:
return false;
}
}
return false;
}
export var WEEKDAYS;
(function (WEEKDAYS) {
WEEKDAYS[WEEKDAYS["SUNDAY"] = 0] = "SUNDAY";
WEEKDAYS[WEEKDAYS["MONDAY"] = 1] = "MONDAY";
WEEKDAYS[WEEKDAYS["TUESDAY"] = 2] = "TUESDAY";
WEEKDAYS[WEEKDAYS["WEDNESDAY"] = 3] = "WEDNESDAY";
WEEKDAYS[WEEKDAYS["THURSDAY"] = 4] = "THURSDAY";
WEEKDAYS[WEEKDAYS["FRIDAY"] = 5] = "FRIDAY";
WEEKDAYS[WEEKDAYS["SATURDAY"] = 6] = "SATURDAY";
})(WEEKDAYS || (WEEKDAYS = {}));
export class Calendar {
constructor(firstWeekDay = WEEKDAYS.SUNDAY) {
this._firstWeekDay = firstWeekDay;
}
get firstWeekDay() {
return this._firstWeekDay % 7;
}
set firstWeekDay(value) {
this._firstWeekDay = value;
}
/**
* Returns an array of weekdays for one week starting
* with the currently set `firstWeekDay`
*
* this.firstWeekDay = 0 (Sunday) --> [0, 1, 2, 3, 4, 5, 6]
* this.firstWeekDay = 1 (Monday) --> [1, 2, 3, 4, 5, 6, 0]
*
* @returns
*
* @memberof Calendar
*/
weekdays() {
const res = [];
for (const i of range(this.firstWeekDay, this.firstWeekDay + 7)) {
res.push(i % 7);
}
return res;
}
/**
* Returns the date values for one month. It will always iterate throught
* complete weeks, so it will contain dates outside the specified month.
*
* @param year
* @param month
* @param boolean
* @returns
*
* @memberof Calendar
*/
monthdates(year, month, extraWeek = false) {
let date = new Date(year, month, 1);
let days = (date.getDay() - this.firstWeekDay) % 7;
if (days < 0) {
days = 7 - Math.abs(days);
}
date = this.timedelta(date, 'day', -days);
const res = [];
let value;
while (true) {
value = this.generateICalendarDate(date, year, month);
res.push(value);
date = this.timedelta(date, 'day', 1);
if ((date.getMonth() !== month) && (date.getDay() === this.firstWeekDay)) {
if (extraWeek && res.length <= 35) {
for (const _ of range(0, 7)) {
value = this.generateICalendarDate(date, year, month);
res.push(value);
date = this.timedelta(date, 'day', 1);
}
}
break;
}
}
return res;
}
/**
* Returns a matrix (array of arrays) representing a month's calendar.
* Each row represents a full week; week entries are ICalendarDate objects.
*
* @param year
* @param month
* @returns
*
* @memberof Calendar
*/
monthdatescalendar(year, month, extraWeek = false) {
const dates = this.monthdates(year, month, extraWeek);
const res = [];
for (const i of range(0, dates.length, 7)) {
res.push(dates.slice(i, i + 7));
}
return res;
}
timedelta(date, interval, units) {
const ret = new Date(date);
const checkRollover = () => {
if (ret.getDate() !== date.getDate()) {
ret.setDate(0);
}
};
switch (interval.toLowerCase()) {
case 'year':
ret.setFullYear(ret.getFullYear() + units);
checkRollover();
break;
case 'quarter':
ret.setMonth(ret.getMonth() + 3 * units);
checkRollover();
break;
case 'month':
ret.setMonth(ret.getMonth() + units);
checkRollover();
break;
case 'week':
ret.setDate(ret.getDate() + 7 * units);
break;
case 'day':
ret.setDate(ret.getDate() + units);
break;
case 'hour':
ret.setTime(ret.getTime() + units * 3600000);
break;
case 'minute':
ret.setTime(ret.getTime() + units * 60000);
break;
case 'second':
ret.setTime(ret.getTime() + units * 1000);
break;
default:
throw new Error('Invalid interval specifier');
}
return ret;
}
formatToParts(date, locale, options, parts) {
const formatter = new Intl.DateTimeFormat(locale, options);
const result = {
date,
full: formatter.format(date)
};
if (formatter.formatToParts) {
const formattedParts = formatter.formatToParts(date);
const toType = (partType) => {
const index = formattedParts.findIndex(({ type }) => type === partType);
const o = { value: '', literal: '', combined: '' };
if (partType === 'era' && index > -1) {
o.value = formattedParts[index].value;
return o;
}
else if (partType === 'era' && index === -1) {
return o;
}
o.value = formattedParts[index].value;
o.literal = formattedParts[index + 1] ? formattedParts[index + 1].value : '';
o.combined = [o.value, o.literal].join('');
return o;
};
for (const each of parts) {
result[each] = toType(each);
}
}
else {
for (const each of parts) {
result[each] = { value: '', literal: '', combined: '' };
}
}
return result;
}
generateICalendarDate(date, year, month) {
return {
date,
isCurrentMonth: date.getFullYear() === year && date.getMonth() === month,
isNextMonth: this.isNextMonth(date, year, month),
isPrevMonth: this.isPreviousMonth(date, year, month)
};
}
isPreviousMonth(date, year, month) {
if (date.getFullYear() === year) {
return date.getMonth() < month;
}
return date.getFullYear() < year;
}
isNextMonth(date, year, month) {
if (date.getFullYear() === year) {
return date.getMonth() > month;
}
return date.getFullYear() > year;
}
}
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{ DateRangeDescriptor, DateRangeType } from '../core/dates';\n\nconst MDAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\nconst FEBRUARY = 1;\n\nexport function range(start = 0, stop, step = 1) {\n    const res = [];\n    const cur = (stop === undefined) ? 0 : start;\n    const max = (stop === undefined) ? start : stop;\n    for (let i = cur; step < 0 ? i > max : i < max; i += step) {\n        res.push(i);\n    }\n    return res;\n}\n\n/**\n * Returns true for leap years, false for non-leap years.\n *\n * @export\n * @param year\n * @returns\n */\nexport function isLeap(year: number): boolean {\n    return (year % 4 === 0) && ((year % 100 !== 0) || (year % 400 === 0));\n}\n\nexport function weekDay(year: number, month: number, day: number): number {\n    return new Date(year, month, day).getDay();\n}\n\n/**\n * Return weekday and number of days for year, month.\n *\n * @export\n * @param year\n * @param month\n * @returns\n */\nexport function monthRange(year: number, month: number): number[] {\n    if ((month < 0) || (month > 11)) {\n        throw new Error('Invalid month specified');\n    }\n    const day = weekDay(year, month, 1);\n    let nDays = MDAYS[month];\n    if ((month === FEBRUARY) && (isLeap(year))) {\n        nDays++;\n    }\n    return [day, nDays];\n}\n\nexport function isDateInRanges(date: Date, ranges: DateRangeDescriptor[]): boolean {\n    date = new Date(date.getFullYear(), date.getMonth(), date.getDate());\n    const dateInMs = date.getTime();\n\n    if (!ranges) {\n        return false;\n    }\n\n    for (const descriptor of ranges) {\n        const dRanges = descriptor.dateRange ? descriptor.dateRange.map(\n            r => new Date(r.getFullYear(), r.getMonth(), r.getDate())) : undefined;\n        switch (descriptor.type) {\n            case (DateRangeType.After):\n                if (dateInMs > dRanges[0].getTime()) {\n                    return true;\n                }\n\n                break;\n            case (DateRangeType.Before):\n                if (dateInMs < dRanges[0].getTime()) {\n                    return true;\n                }\n\n                break;\n            case (DateRangeType.Between):\n                const dRange = dRanges.map(d => d.getTime());\n                const min = Math.min(dRange[0], dRange[1]);\n                const max = Math.max(dRange[0], dRange[1]);\n                if (dateInMs >= min && dateInMs <= max) {\n                    return true;\n                }\n\n                break;\n            case (DateRangeType.Specific):\n                const datesInMs = dRanges.map(d => d.getTime());\n                for (const specificDateInMs of datesInMs) {\n                    if (dateInMs === specificDateInMs) {\n                        return true;\n                    }\n                }\n\n                break;\n            case (DateRangeType.Weekdays):\n                const day = date.getDay();\n                if (day % 6 !== 0) {\n                    return true;\n                }\n\n                break;\n            case (DateRangeType.Weekends):\n                const weekday = date.getDay();\n                if (weekday % 6 === 0) {\n                    return true;\n                }\n\n                break;\n            default:\n                return false;\n        }\n    }\n\n    return false;\n}\n\nexport interface ICalendarDate {\n    date: Date;\n    isCurrentMonth: boolean;\n    isPrevMonth: boolean;\n    isNextMonth: boolean;\n}\n\nexport interface IFormattedParts {\n    value: string;\n    literal?: string;\n    combined: string;\n}\n\nexport interface IFormattingOptions {\n    day?: string;\n    month?: string;\n    weekday?: string;\n    year?: string;\n}\n\n\nexport interface IFormattingViews {\n    day?: boolean;\n    month?: boolean;\n    year?: boolean;\n}\n\nexport enum WEEKDAYS {\n    SUNDAY = 0,\n    MONDAY = 1,\n    TUESDAY = 2,\n    WEDNESDAY = 3,\n    THURSDAY = 4,\n    FRIDAY = 5,\n    SATURDAY = 6\n}\n\nexport class Calendar {\n\n    private _firstWeekDay: number | WEEKDAYS;\n\n    constructor(firstWeekDay: number | WEEKDAYS = WEEKDAYS.SUNDAY) {\n        this._firstWeekDay = firstWeekDay;\n    }\n\n    public get firstWeekDay(): number {\n        return this._firstWeekDay % 7;\n    }\n\n    public set firstWeekDay(value: number) {\n        this._firstWeekDay = value;\n    }\n\n    /**\n     * Returns an array of weekdays for one week starting\n     * with the currently set `firstWeekDay`\n     *\n     * this.firstWeekDay = 0 (Sunday) --> [0, 1, 2, 3, 4, 5, 6]\n     * this.firstWeekDay = 1 (Monday) --> [1, 2, 3, 4, 5, 6, 0]\n     *\n     * @returns\n     *\n     * @memberof Calendar\n     */\n    public weekdays(): number[] {\n        const res = [];\n        for (const i of range(this.firstWeekDay, this.firstWeekDay + 7)) {\n            res.push(i % 7);\n        }\n        return res;\n    }\n\n    /**\n     * Returns the date values for one month. It will always iterate throught\n     * complete weeks, so it will contain dates outside the specified month.\n     *\n     * @param year\n     * @param month\n     * @param boolean\n     * @returns\n     *\n     * @memberof Calendar\n     */\n    public monthdates(year: number, month: number, extraWeek: boolean = false): ICalendarDate[] {\n        let date = new Date(year, month, 1);\n        let days = (date.getDay() - this.firstWeekDay) % 7;\n        if (days < 0) {\n            days = 7 - Math.abs(days);\n        }\n        date = this.timedelta(date, 'day', -days);\n        const res = [];\n        let value: ICalendarDate;\n\n        while (true) {\n\n            value = this.generateICalendarDate(date, year, month);\n            res.push(value);\n\n            date = this.timedelta(date, 'day', 1);\n\n            if ((date.getMonth() !== month) && (date.getDay() === this.firstWeekDay)) {\n                if (extraWeek && res.length <= 35) {\n                    for (const _ of range(0, 7)) {\n                        value = this.generateICalendarDate(date, year, month);\n                        res.push(value);\n                        date = this.timedelta(date, 'day', 1);\n                    }\n                }\n                break;\n            }\n        }\n        return res;\n    }\n\n    /**\n     * Returns a matrix (array of arrays) representing a month's calendar.\n     * Each row represents a full week; week entries are ICalendarDate objects.\n     *\n     * @param year\n     * @param month\n     * @returns\n     *\n     * @memberof Calendar\n     */\n    public monthdatescalendar(year: number, month: number, extraWeek: boolean = false): ICalendarDate[][] {\n        const dates = this.monthdates(year, month, extraWeek);\n        const res = [];\n        for (const i of range(0, dates.length, 7)) {\n            res.push(dates.slice(i, i + 7));\n        }\n        return res;\n    }\n\n    public timedelta(date: Date, interval: string, units: number): Date {\n        const ret = new Date(date);\n\n        const checkRollover = () => {\n            if (ret.getDate() !== date.getDate()) {\n                ret.setDate(0);\n            }\n        };\n\n        switch (interval.toLowerCase()) {\n            case 'year':\n                ret.setFullYear(ret.getFullYear() + units);\n                checkRollover();\n                break;\n            case 'quarter':\n                ret.setMonth(ret.getMonth() + 3 * units);\n                checkRollover();\n                break;\n            case 'month':\n                ret.setMonth(ret.getMonth() + units);\n                checkRollover();\n                break;\n            case 'week':\n                ret.setDate(ret.getDate() + 7 * units);\n                break;\n            case 'day':\n                ret.setDate(ret.getDate() + units);\n                break;\n            case 'hour':\n                ret.setTime(ret.getTime() + units * 3600000);\n                break;\n            case 'minute':\n                ret.setTime(ret.getTime() + units * 60000);\n                break;\n            case 'second':\n                ret.setTime(ret.getTime() + units * 1000);\n                break;\n            default:\n                throw new Error('Invalid interval specifier');\n        }\n        return ret;\n    }\n\n    public formatToParts(date: Date, locale: string, options: any, parts: string[]) {\n        const formatter = new Intl.DateTimeFormat(locale, options);\n        const result = {\n            date,\n            full: formatter.format(date)\n        };\n\n        if ((formatter as any).formatToParts) {\n            const formattedParts = (formatter as any).formatToParts(date);\n\n            const toType = (partType: string) => {\n                const index = formattedParts.findIndex(({ type }) => type === partType);\n                const o: IFormattedParts = { value: '', literal: '', combined: '' };\n\n                if (partType === 'era' && index > -1) {\n                    o.value = formattedParts[index].value;\n                    return o;\n                } else if (partType === 'era' && index === -1) {\n                    return o;\n                }\n\n                o.value = formattedParts[index].value;\n                o.literal = formattedParts[index + 1] ? formattedParts[index + 1].value : '';\n                o.combined = [o.value, o.literal].join('');\n                return o;\n            };\n\n            for (const each of parts) {\n                result[each] = toType(each);\n            }\n        } else {\n            for (const each of parts) {\n                result[each] = { value: '', literal: '', combined: '' };\n            }\n        }\n        return result;\n    }\n\n    private generateICalendarDate(date: Date, year: number, month: number): ICalendarDate {\n        return {\n            date,\n            isCurrentMonth: date.getFullYear() === year && date.getMonth() === month,\n            isNextMonth: this.isNextMonth(date, year, month),\n            isPrevMonth: this.isPreviousMonth(date, year, month)\n        };\n    }\n\n    private isPreviousMonth(date: Date, year: number, month: number): boolean {\n        if (date.getFullYear() === year) {\n            return date.getMonth() < month;\n        }\n        return date.getFullYear() < year;\n    }\n\n    private isNextMonth(date: Date, year: number, month: number): boolean {\n        if (date.getFullYear() === year) {\n            return date.getMonth() > month;\n        }\n\n        return date.getFullYear() > year;\n    }\n}\n"]}