/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Inject, Injectable, Optional, InjectionToken } from '@angular/core';
import { DateAdapter, MAT_DATE_LOCALE } from '@angular/material/core';
// Depending on whether rollup is used, moment needs to be imported differently.
// Since Moment.js doesn't have a default export, we normally need to import using the `* as`
// syntax. However, rollup creates a synthetic default module and we thus need to import it using
// the `default as` syntax.
// TODO(mmalerba): See if we can clean this up at some point.
import * as _moment from 'moment';
// tslint:disable-next-line:no-duplicate-imports
import { default as _rollupMoment } from 'moment';
import * as i0 from "@angular/core";
const moment = _rollupMoment || _moment;
/** InjectionToken for moment date adapter to configure options. */
export const MAT_MOMENT_DATE_ADAPTER_OPTIONS = new InjectionToken('MAT_MOMENT_DATE_ADAPTER_OPTIONS', {
    providedIn: 'root',
    factory: MAT_MOMENT_DATE_ADAPTER_OPTIONS_FACTORY,
});
/** @docs-private */
export function MAT_MOMENT_DATE_ADAPTER_OPTIONS_FACTORY() {
    return {
        useUtc: false,
    };
}
/** Creates an array and fills it with values. */
function range(length, valueFunction) {
    const valuesArray = Array(length);
    for (let i = 0; i < length; i++) {
        valuesArray[i] = valueFunction(i);
    }
    return valuesArray;
}
/** Adapts Moment.js Dates for use with Angular Material. */
export class MomentDateAdapter extends DateAdapter {
    constructor(dateLocale, _options) {
        super();
        this._options = _options;
        this.setLocale(dateLocale || moment.locale());
    }
    setLocale(locale) {
        super.setLocale(locale);
        let momentLocaleData = moment.localeData(locale);
        this._localeData = {
            firstDayOfWeek: momentLocaleData.firstDayOfWeek(),
            longMonths: momentLocaleData.months(),
            shortMonths: momentLocaleData.monthsShort(),
            dates: range(31, i => this.createDate(2017, 0, i + 1).format('D')),
            longDaysOfWeek: momentLocaleData.weekdays(),
            shortDaysOfWeek: momentLocaleData.weekdaysShort(),
            narrowDaysOfWeek: momentLocaleData.weekdaysMin(),
        };
    }
    getYear(date) {
        return this.clone(date).year();
    }
    getMonth(date) {
        return this.clone(date).month();
    }
    getDate(date) {
        return this.clone(date).date();
    }
    getDayOfWeek(date) {
        return this.clone(date).day();
    }
    getMonthNames(style) {
        // Moment.js doesn't support narrow month names, so we just use short if narrow is requested.
        return style == 'long' ? this._localeData.longMonths : this._localeData.shortMonths;
    }
    getDateNames() {
        return this._localeData.dates;
    }
    getDayOfWeekNames(style) {
        if (style == 'long') {
            return this._localeData.longDaysOfWeek;
        }
        if (style == 'short') {
            return this._localeData.shortDaysOfWeek;
        }
        return this._localeData.narrowDaysOfWeek;
    }
    getYearName(date) {
        return this.clone(date).format('YYYY');
    }
    getFirstDayOfWeek() {
        return this._localeData.firstDayOfWeek;
    }
    getNumDaysInMonth(date) {
        return this.clone(date).daysInMonth();
    }
    clone(date) {
        return date.clone().locale(this.locale);
    }
    createDate(year, month, date) {
        // Moment.js will create an invalid date if any of the components are out of bounds, but we
        // explicitly check each case so we can throw more descriptive errors.
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            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._createMoment({ year, month, date }).locale(this.locale);
        // If the result isn't valid, the date must have been out of bounds for this month.
        if (!result.isValid() && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw Error(`Invalid date "${date}" for month with index "${month}".`);
        }
        return result;
    }
    today() {
        return this._createMoment().locale(this.locale);
    }
    parse(value, parseFormat) {
        if (value && typeof value == 'string') {
            return this._createMoment(value, parseFormat, this.locale);
        }
        return value ? this._createMoment(value).locale(this.locale) : null;
    }
    format(date, displayFormat) {
        date = this.clone(date);
        if (!this.isValid(date) && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw Error('MomentDateAdapter: Cannot format invalid date.');
        }
        return date.format(displayFormat);
    }
    addCalendarYears(date, years) {
        return this.clone(date).add({ years });
    }
    addCalendarMonths(date, months) {
        return this.clone(date).add({ months });
    }
    addCalendarDays(date, days) {
        return this.clone(date).add({ days });
    }
    toIso8601(date) {
        return this.clone(date).format();
    }
    /**
     * Returns the given value if given a valid Moment or null. Deserializes valid ISO 8601 strings
     * (https://www.ietf.org/rfc/rfc3339.txt) and valid Date objects into valid Moments and empty
     * string into null. Returns an invalid date for all other values.
     */
    deserialize(value) {
        let date;
        if (value instanceof Date) {
            date = this._createMoment(value).locale(this.locale);
        }
        else if (this.isDateInstance(value)) {
            // Note: assumes that cloning also sets the correct locale.
            return this.clone(value);
        }
        if (typeof value === 'string') {
            if (!value) {
                return null;
            }
            date = this._createMoment(value, moment.ISO_8601).locale(this.locale);
        }
        if (date && this.isValid(date)) {
            return this._createMoment(date).locale(this.locale);
        }
        return super.deserialize(value);
    }
    isDateInstance(obj) {
        return moment.isMoment(obj);
    }
    isValid(date) {
        return this.clone(date).isValid();
    }
    invalid() {
        return moment.invalid();
    }
    /** Creates a Moment instance while respecting the current UTC settings. */
    _createMoment(date, format, locale) {
        const { strict, useUtc } = this._options || {};
        return useUtc ? moment.utc(date, format, locale, strict) : moment(date, format, locale, strict);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MomentDateAdapter, deps: [{ token: MAT_DATE_LOCALE, optional: true }, { token: MAT_MOMENT_DATE_ADAPTER_OPTIONS, optional: true }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MomentDateAdapter }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MomentDateAdapter, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: undefined, decorators: [{
                    type: Optional
                }, {
                    type: Inject,
                    args: [MAT_DATE_LOCALE]
                }] }, { type: undefined, decorators: [{
                    type: Optional
                }, {
                    type: Inject,
                    args: [MAT_MOMENT_DATE_ADAPTER_OPTIONS]
                }] }]; } });
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Inject, Injectable, Optional, InjectionToken} from '@angular/core';\nimport {DateAdapter, MAT_DATE_LOCALE} from '@angular/material/core';\n// Depending on whether rollup is used, moment needs to be imported differently.\n// Since Moment.js doesn't have a default export, we normally need to import using the `* as`\n// syntax. However, rollup creates a synthetic default module and we thus need to import it using\n// the `default as` syntax.\n// TODO(mmalerba): See if we can clean this up at some point.\nimport * as _moment from 'moment';\n// tslint:disable-next-line:no-duplicate-imports\nimport {default as _rollupMoment, Moment, MomentFormatSpecification, MomentInput} from 'moment';\n\nconst moment = _rollupMoment || _moment;\n\n/** Configurable options for {@see MomentDateAdapter}. */\nexport interface MatMomentDateAdapterOptions {\n  /**\n   * When enabled, the dates have to match the format exactly.\n   * See https://momentjs.com/guides/#/parsing/strict-mode/.\n   */\n  strict?: boolean;\n\n  /**\n   * Turns the use of utc dates on or off.\n   * Changing this will change how Angular Material components like DatePicker output dates.\n   * {@default false}\n   */\n  useUtc?: boolean;\n}\n\n/** InjectionToken for moment date adapter to configure options. */\nexport const MAT_MOMENT_DATE_ADAPTER_OPTIONS = new InjectionToken<MatMomentDateAdapterOptions>(\n  'MAT_MOMENT_DATE_ADAPTER_OPTIONS',\n  {\n    providedIn: 'root',\n    factory: MAT_MOMENT_DATE_ADAPTER_OPTIONS_FACTORY,\n  },\n);\n\n/** @docs-private */\nexport function MAT_MOMENT_DATE_ADAPTER_OPTIONS_FACTORY(): MatMomentDateAdapterOptions {\n  return {\n    useUtc: false,\n  };\n}\n\n/** Creates an array and fills it with values. */\nfunction range<T>(length: number, valueFunction: (index: number) => T): T[] {\n  const valuesArray = Array(length);\n  for (let i = 0; i < length; i++) {\n    valuesArray[i] = valueFunction(i);\n  }\n  return valuesArray;\n}\n\n/** Adapts Moment.js Dates for use with Angular Material. */\n@Injectable()\nexport class MomentDateAdapter extends DateAdapter<Moment> {\n  // Note: all of the methods that accept a `Moment` input parameter immediately call `this.clone`\n  // on it. This is to ensure that we're working with a `Moment` that has the correct locale setting\n  // while avoiding mutating the original object passed to us. Just calling `.locale(...)` on the\n  // input would mutate the object.\n\n  private _localeData: {\n    firstDayOfWeek: number;\n    longMonths: string[];\n    shortMonths: string[];\n    dates: string[];\n    longDaysOfWeek: string[];\n    shortDaysOfWeek: string[];\n    narrowDaysOfWeek: string[];\n  };\n\n  constructor(\n    @Optional() @Inject(MAT_DATE_LOCALE) dateLocale: string,\n    @Optional()\n    @Inject(MAT_MOMENT_DATE_ADAPTER_OPTIONS)\n    private _options?: MatMomentDateAdapterOptions,\n  ) {\n    super();\n    this.setLocale(dateLocale || moment.locale());\n  }\n\n  override setLocale(locale: string) {\n    super.setLocale(locale);\n\n    let momentLocaleData = moment.localeData(locale);\n    this._localeData = {\n      firstDayOfWeek: momentLocaleData.firstDayOfWeek(),\n      longMonths: momentLocaleData.months(),\n      shortMonths: momentLocaleData.monthsShort(),\n      dates: range(31, i => this.createDate(2017, 0, i + 1).format('D')),\n      longDaysOfWeek: momentLocaleData.weekdays(),\n      shortDaysOfWeek: momentLocaleData.weekdaysShort(),\n      narrowDaysOfWeek: momentLocaleData.weekdaysMin(),\n    };\n  }\n\n  getYear(date: Moment): number {\n    return this.clone(date).year();\n  }\n\n  getMonth(date: Moment): number {\n    return this.clone(date).month();\n  }\n\n  getDate(date: Moment): number {\n    return this.clone(date).date();\n  }\n\n  getDayOfWeek(date: Moment): number {\n    return this.clone(date).day();\n  }\n\n  getMonthNames(style: 'long' | 'short' | 'narrow'): string[] {\n    // Moment.js doesn't support narrow month names, so we just use short if narrow is requested.\n    return style == 'long' ? this._localeData.longMonths : this._localeData.shortMonths;\n  }\n\n  getDateNames(): string[] {\n    return this._localeData.dates;\n  }\n\n  getDayOfWeekNames(style: 'long' | 'short' | 'narrow'): string[] {\n    if (style == 'long') {\n      return this._localeData.longDaysOfWeek;\n    }\n    if (style == 'short') {\n      return this._localeData.shortDaysOfWeek;\n    }\n    return this._localeData.narrowDaysOfWeek;\n  }\n\n  getYearName(date: Moment): string {\n    return this.clone(date).format('YYYY');\n  }\n\n  getFirstDayOfWeek(): number {\n    return this._localeData.firstDayOfWeek;\n  }\n\n  getNumDaysInMonth(date: Moment): number {\n    return this.clone(date).daysInMonth();\n  }\n\n  clone(date: Moment): Moment {\n    return date.clone().locale(this.locale);\n  }\n\n  createDate(year: number, month: number, date: number): Moment {\n    // Moment.js will create an invalid date if any of the components are out of bounds, but we\n    // explicitly check each case so we can throw more descriptive errors.\n    if (typeof ngDevMode === 'undefined' || ngDevMode) {\n      if (month < 0 || month > 11) {\n        throw Error(`Invalid month index \"${month}\". Month index has to be between 0 and 11.`);\n      }\n\n      if (date < 1) {\n        throw Error(`Invalid date \"${date}\". Date has to be greater than 0.`);\n      }\n    }\n\n    const result = this._createMoment({year, month, date}).locale(this.locale);\n\n    // If the result isn't valid, the date must have been out of bounds for this month.\n    if (!result.isValid() && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error(`Invalid date \"${date}\" for month with index \"${month}\".`);\n    }\n\n    return result;\n  }\n\n  today(): Moment {\n    return this._createMoment().locale(this.locale);\n  }\n\n  parse(value: any, parseFormat: string | string[]): Moment | null {\n    if (value && typeof value == 'string') {\n      return this._createMoment(value, parseFormat, this.locale);\n    }\n    return value ? this._createMoment(value).locale(this.locale) : null;\n  }\n\n  format(date: Moment, displayFormat: string): string {\n    date = this.clone(date);\n    if (!this.isValid(date) && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error('MomentDateAdapter: Cannot format invalid date.');\n    }\n    return date.format(displayFormat);\n  }\n\n  addCalendarYears(date: Moment, years: number): Moment {\n    return this.clone(date).add({years});\n  }\n\n  addCalendarMonths(date: Moment, months: number): Moment {\n    return this.clone(date).add({months});\n  }\n\n  addCalendarDays(date: Moment, days: number): Moment {\n    return this.clone(date).add({days});\n  }\n\n  toIso8601(date: Moment): string {\n    return this.clone(date).format();\n  }\n\n  /**\n   * Returns the given value if given a valid Moment or null. Deserializes valid ISO 8601 strings\n   * (https://www.ietf.org/rfc/rfc3339.txt) and valid Date objects into valid Moments and empty\n   * string into null. Returns an invalid date for all other values.\n   */\n  override deserialize(value: any): Moment | null {\n    let date;\n    if (value instanceof Date) {\n      date = this._createMoment(value).locale(this.locale);\n    } else if (this.isDateInstance(value)) {\n      // Note: assumes that cloning also sets the correct locale.\n      return this.clone(value);\n    }\n    if (typeof value === 'string') {\n      if (!value) {\n        return null;\n      }\n      date = this._createMoment(value, moment.ISO_8601).locale(this.locale);\n    }\n    if (date && this.isValid(date)) {\n      return this._createMoment(date).locale(this.locale);\n    }\n    return super.deserialize(value);\n  }\n\n  isDateInstance(obj: any): boolean {\n    return moment.isMoment(obj);\n  }\n\n  isValid(date: Moment): boolean {\n    return this.clone(date).isValid();\n  }\n\n  invalid(): Moment {\n    return moment.invalid();\n  }\n\n  /** Creates a Moment instance while respecting the current UTC settings. */\n  private _createMoment(\n    date?: MomentInput,\n    format?: MomentFormatSpecification,\n    locale?: string,\n  ): Moment {\n    const {strict, useUtc}: MatMomentDateAdapterOptions = this._options || {};\n\n    return useUtc ? moment.utc(date, format, locale, strict) : moment(date, format, locale, strict);\n  }\n}\n"]}