ngx-mat-datefns-date-adapter
Version:
[](https://github.com/sapozhnikovay/ngx-mat-datefns-date-adapter/blob/master/LICENSE) [](https://www.npmjs.com/package/ngx-ma
226 lines • 27.6 kB
JavaScript
import { Inject, Injectable, InjectionToken, Optional } from '@angular/core';
import { DateAdapter, MAT_DATE_LOCALE } from '@angular/material/core';
import { addDays, addMonths, addYears, format, getDate, getDay, getDaysInMonth, getMonth, getYear, parse, parseISO, setDay, setMonth, toDate, parseJSON, } from 'date-fns';
import { zonedTimeToUtc } from 'date-fns-tz';
import { enUS } from 'date-fns/locale';
import { NGX_MAT_DATEFNS_LOCALES } from './ngx-mat-datefns-locales';
export const NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS = new InjectionToken('NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS', {
providedIn: 'root',
factory: NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS_FACTORY,
});
export function NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS_FACTORY() {
return {
useUtc: false,
};
}
function range(start, end) {
const arr = [];
for (let i = start; i <= end; i++) {
arr.push(i);
}
return arr;
}
const UTC_TIMEZONE = 'UTC';
export class NgxDateFnsDateAdapter extends DateAdapter {
constructor(dateLocale, locales, options) {
super();
this.locales = locales;
this.options = options;
this.getLocale = (localeCodeOrLocale) => {
if (localeCodeOrLocale && localeCodeOrLocale.code) {
return localeCodeOrLocale;
}
if (!this.locales || !this.locales.length) {
throw new Error('locales array does not provided or is empty. Provide it via the NGX_MAT_DATEFNS_LOCALES token.');
}
const locale = this.locales.find((item) => item.code === localeCodeOrLocale);
if (!locale) {
throw new Error(`locale '${localeCodeOrLocale}' does not exist in locales array. Add it to the NGX_MAT_DATEFNS_LOCALES token.`);
}
return locale;
};
if (!this.locales || this.locales.length === 0) {
this.locales = [enUS];
}
try {
this.setLocale(dateLocale || enUS);
}
catch (err) {
this.setLocale(enUS);
}
}
setLocale(locale) {
if (!locale) {
throw new Error('setLocale should be called with the string locale code or date-fns Locale object');
}
this._dateFnsLocale = this.getLocale(locale);
super.setLocale(locale);
}
addCalendarDays(date, days) {
return addDays(date, days);
}
addCalendarMonths(date, months) {
return addMonths(date, months);
}
addCalendarYears(date, years) {
return addYears(date, years);
}
clone(date) {
return toDate(date);
}
createDate(year, month, date) {
// Check for invalid month and date (except upper bound on date which we have to check after
// creating the Date).
if (month < 0 || month > 11) {
throw Error(`Invalid month index "${month}". Month index has to be between 0 and 11.`);
}
if (date < 1) {
throw Error(`Invalid date "${date}". Date has to be greater than 0.`);
}
const result = this._createDateWithOverflow(year, month, date);
// Check that the date wasn't above the upper bound for the month, causing the month to overflow
if (result.getMonth() !== month) {
throw Error(`Invalid date "${date}" for month with index "${month}".`);
}
return result;
}
deserialize(value) {
var _a;
if (value) {
if (typeof value === 'string') {
if ((_a = this.options) === null || _a === void 0 ? void 0 : _a.useUtc) {
return parseJSON(value);
}
return parseISO(value);
}
if (typeof value === 'number') {
return toDate(value);
}
if (value instanceof Date) {
return this.clone(value);
}
return null;
}
return null;
}
format(date, displayFormat) {
return format(date, displayFormat, { locale: this._dateFnsLocale });
}
getDate(date) {
return getDate(date);
}
getDateNames() {
return range(1, 31).map((day) => String(day));
}
getDayOfWeek(date) {
return getDay(date);
}
getDayOfWeekNames(style) {
const map = {
long: 'EEEE',
short: 'EEE',
narrow: 'EEEEE',
};
const formatStr = map[style];
const date = new Date();
return range(0, 6).map((day) => format(setDay(date, day), formatStr, {
locale: this._dateFnsLocale,
}));
}
getFirstDayOfWeek() {
var _a, _b;
return (_b = (_a = this._dateFnsLocale.options) === null || _a === void 0 ? void 0 : _a.weekStartsOn) !== null && _b !== void 0 ? _b : 0;
}
getMonth(date) {
return getMonth(date);
}
getMonthNames(style) {
const map = {
long: 'LLLL',
short: 'LLL',
narrow: 'LLLLL',
};
const formatStr = map[style];
const date = new Date();
return range(0, 11).map((month) => format(setMonth(date, month), formatStr, {
locale: this._dateFnsLocale,
}));
}
getNumDaysInMonth(date) {
return getDaysInMonth(date);
}
getYear(date) {
return getYear(date);
}
getYearName(date) {
return format(date, 'yyyy', {
locale: this._dateFnsLocale,
});
}
invalid() {
return new Date(NaN);
}
isDateInstance(obj) {
return obj instanceof Date;
}
isValid(date) {
return date instanceof Date && !isNaN(date.getTime());
}
parse(value, parseFormat) {
var _a;
if (value) {
if (typeof value === 'string') {
if ((_a = this.options) === null || _a === void 0 ? void 0 : _a.useUtc) {
const d = parse(value.trim(), parseFormat, new Date(), {
locale: this._dateFnsLocale,
});
return zonedTimeToUtc(d, UTC_TIMEZONE);
}
return parse(value.trim(), parseFormat, new Date(), {
locale: this._dateFnsLocale,
});
}
if (typeof value === 'number') {
return toDate(value);
}
if (value instanceof Date) {
return this.clone(value);
}
return null;
}
return null;
}
toIso8601(date) {
return date.toISOString();
}
today() {
const d = new Date();
return this._createDateWithOverflow(d.getFullYear(), d.getMonth(), d.getDate());
}
/** Creates a date but allows the month and date to overflow. */
_createDateWithOverflow(year, month, date) {
const result = this._createDateInternal(year, month, date);
// We need to correct for the fact that JS native Date treats years in range [0, 99] as
// abbreviations for 19xx.
if (year >= 0 && year < 100) {
result.setFullYear(this.getYear(result) - 1900);
}
return result;
}
_createDateInternal(year, month, date) {
var _a;
if ((_a = this.options) === null || _a === void 0 ? void 0 : _a.useUtc) {
return zonedTimeToUtc(new Date(year, month, date), UTC_TIMEZONE);
}
return new Date(year, month, date);
}
}
NgxDateFnsDateAdapter.decorators = [
{ type: Injectable }
];
NgxDateFnsDateAdapter.ctorParameters = () => [
{ type: String, decorators: [{ type: Optional }, { type: Inject, args: [MAT_DATE_LOCALE,] }] },
{ type: Array, decorators: [{ type: Optional }, { type: Inject, args: [NGX_MAT_DATEFNS_LOCALES,] }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS,] }] }
];
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{ Inject, Injectable, InjectionToken, Optional } from '@angular/core';\nimport { DateAdapter, MAT_DATE_LOCALE } from '@angular/material/core';\nimport {\n  addDays,\n  addMonths,\n  addYears,\n  format,\n  getDate,\n  getDay,\n  getDaysInMonth,\n  getMonth,\n  getYear,\n  Locale,\n  parse,\n  parseISO,\n  setDay,\n  setMonth,\n  toDate,\n  parseJSON,\n} from 'date-fns';\nimport { zonedTimeToUtc } from 'date-fns-tz';\nimport { enUS } from 'date-fns/locale';\nimport { NGX_MAT_DATEFNS_LOCALES } from './ngx-mat-datefns-locales';\n\nexport interface NgxDateFnsDateAdapterOptions {\n  useUtc?: boolean;\n}\n\nexport const NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS =\n  new InjectionToken<NgxDateFnsDateAdapterOptions>(\n    'NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS',\n    {\n      providedIn: 'root',\n      factory: NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS_FACTORY,\n    }\n  );\n\nexport function NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS_FACTORY(): NgxDateFnsDateAdapterOptions {\n  return {\n    useUtc: false,\n  };\n}\n\nfunction range(start: number, end: number): number[] {\n  const arr: number[] = [];\n  for (let i = start; i <= end; i++) {\n    arr.push(i);\n  }\n\n  return arr;\n}\n\nconst UTC_TIMEZONE = 'UTC';\n\n@Injectable()\nexport class NgxDateFnsDateAdapter extends DateAdapter<Date> {\n  private _dateFnsLocale!: Locale;\n  private getLocale = (localeCodeOrLocale: string | Locale): Locale => {\n    if (localeCodeOrLocale && (localeCodeOrLocale as Locale).code) {\n      return localeCodeOrLocale as Locale;\n    }\n    if (!this.locales || !this.locales.length) {\n      throw new Error('locales array does not provided or is empty. Provide it via the NGX_MAT_DATEFNS_LOCALES token.');\n    }\n    const locale = this.locales.find(\n      (item) => item.code === localeCodeOrLocale\n    );\n    if (!locale) {\n      throw new Error(`locale '${localeCodeOrLocale}' does not exist in locales array. Add it to the NGX_MAT_DATEFNS_LOCALES token.`);\n    }\n    return locale;\n  };\n\n  constructor(\n    @Optional() @Inject(MAT_DATE_LOCALE) dateLocale: string | null,\n    @Optional() @Inject(NGX_MAT_DATEFNS_LOCALES) private locales: Locale[] | null,\n    @Optional()\n    @Inject(NGX_MAT_DATEFNS_DATE_ADAPTER_OPTIONS)\n    private options?: NgxDateFnsDateAdapterOptions\n  ) {\n    super();\n\n    if (!this.locales || this.locales.length === 0) {\n      this.locales = [enUS];\n    }\n\n    try {\n      this.setLocale(dateLocale || enUS);\n    } catch (err) {\n      this.setLocale(enUS);\n    }\n  }\n\n  setLocale(locale: string | Locale) {\n    if (!locale) {\n      throw new Error(\n        'setLocale should be called with the string locale code or date-fns Locale object'\n      );\n    }\n    this._dateFnsLocale = this.getLocale(locale);\n    super.setLocale(locale);\n  }\n\n  addCalendarDays(date: Date, days: number): Date {\n    return addDays(date, days);\n  }\n\n  addCalendarMonths(date: Date, months: number): Date {\n    return addMonths(date, months);\n  }\n\n  addCalendarYears(date: Date, years: number): Date {\n    return addYears(date, years);\n  }\n\n  clone(date: Date): Date {\n    return toDate(date);\n  }\n\n  createDate(year: number, month: number, date: number): Date {\n    // Check for invalid month and date (except upper bound on date which we have to check after\n    // creating the Date).\n    if (month < 0 || month > 11) {\n      throw Error(\n        `Invalid month index \"${month}\". Month index has to be between 0 and 11.`\n      );\n    }\n\n    if (date < 1) {\n      throw Error(`Invalid date \"${date}\". Date has to be greater than 0.`);\n    }\n\n    const result = this._createDateWithOverflow(year, month, date);\n    // Check that the date wasn't above the upper bound for the month, causing the month to overflow\n    if (result.getMonth() !== month) {\n      throw Error(`Invalid date \"${date}\" for month with index \"${month}\".`);\n    }\n\n    return result;\n  }\n\n  deserialize(value: any): Date | null {\n    if (value) {\n      if (typeof value === 'string') {\n        if (this.options?.useUtc) {\n          return parseJSON(value);\n        }\n        return parseISO(value);\n      }\n      if (typeof value === 'number') {\n        return toDate(value);\n      }\n      if (value instanceof Date) {\n        return this.clone(value as Date);\n      }\n      return null;\n    }\n    return null;\n  }\n\n  format(date: Date, displayFormat: string): string {\n    return format(date, displayFormat, { locale: this._dateFnsLocale });\n  }\n\n  getDate(date: Date): number {\n    return getDate(date);\n  }\n\n  getDateNames(): string[] {\n    return range(1, 31).map((day) => String(day));\n  }\n\n  getDayOfWeek(date: Date): number {\n    return getDay(date);\n  }\n\n  getDayOfWeekNames(style: 'long' | 'short' | 'narrow'): string[] {\n    const map = {\n      long: 'EEEE',\n      short: 'EEE',\n      narrow: 'EEEEE',\n    };\n\n    const formatStr = map[style];\n    const date = new Date();\n\n    return range(0, 6).map((day) =>\n      format(setDay(date, day), formatStr, {\n        locale: this._dateFnsLocale,\n      })\n    );\n  }\n\n  getFirstDayOfWeek(): number {\n    return this._dateFnsLocale.options?.weekStartsOn ?? 0;\n  }\n\n  getMonth(date: Date): number {\n    return getMonth(date);\n  }\n\n  getMonthNames(style: 'long' | 'short' | 'narrow'): string[] {\n    const map = {\n      long: 'LLLL',\n      short: 'LLL',\n      narrow: 'LLLLL',\n    };\n\n    const formatStr = map[style];\n    const date = new Date();\n\n    return range(0, 11).map((month) =>\n      format(setMonth(date, month), formatStr, {\n        locale: this._dateFnsLocale,\n      })\n    );\n  }\n\n  getNumDaysInMonth(date: Date): number {\n    return getDaysInMonth(date);\n  }\n\n  getYear(date: Date): number {\n    return getYear(date);\n  }\n\n  getYearName(date: Date): string {\n    return format(date, 'yyyy', {\n      locale: this._dateFnsLocale,\n    });\n  }\n\n  invalid(): Date {\n    return new Date(NaN);\n  }\n\n  isDateInstance(obj: any): boolean {\n    return obj instanceof Date;\n  }\n\n  isValid(date: Date): boolean {\n    return date instanceof Date && !isNaN(date.getTime());\n  }\n\n  parse(value: any, parseFormat: any): Date | null {\n    if (value) {\n      if (typeof value === 'string') {\n        if (this.options?.useUtc) {\n          const d = parse(value.trim(), parseFormat, new Date(), {\n            locale: this._dateFnsLocale,\n          });\n          return zonedTimeToUtc(d, UTC_TIMEZONE);\n        }\n        return parse(value.trim(), parseFormat, new Date(), {\n          locale: this._dateFnsLocale,\n        });\n      }\n      if (typeof value === 'number') {\n        return toDate(value);\n      }\n      if (value instanceof Date) {\n        return this.clone(value as Date);\n      }\n      return null;\n    }\n    return null;\n  }\n\n  toIso8601(date: Date): string {\n    return date.toISOString();\n  }\n\n  today(): Date {\n    const d = new Date();\n    return this._createDateWithOverflow(\n      d.getFullYear(),\n      d.getMonth(),\n      d.getDate()\n    );\n  }\n\n  /** Creates a date but allows the month and date to overflow. */\n  private _createDateWithOverflow(year: number, month: number, date: number) {\n    const result = this._createDateInternal(year, month, date);\n\n    // We need to correct for the fact that JS native Date treats years in range [0, 99] as\n    // abbreviations for 19xx.\n    if (year >= 0 && year < 100) {\n      result.setFullYear(this.getYear(result) - 1900);\n    }\n    return result;\n  }\n\n  private _createDateInternal(year: number, month: number, date: number): Date {\n    if (this.options?.useUtc) {\n      return zonedTimeToUtc(new Date(year, month, date), UTC_TIMEZONE);\n    }\n    return new Date(year, month, date);\n  }\n}\n"]}