VLEX/BPM-UI/node_modules/@ng-bootstrap/ng-bootstrap/esm2015/datepicker/ngb-date-parser-formatter.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { padNumber, toInteger, isNumber } from '../util/util';
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * @return {?}
 */
export function NGB_DATEPICKER_PARSER_FORMATTER_FACTORY() {
    return new NgbDateISOParserFormatter();
}
/**
 * An abstract service for parsing and formatting dates for the
 * [`NgbInputDatepicker`](#/components/datepicker/api#NgbInputDatepicker) directive.
 * Converts between the internal `NgbDateStruct` model presentation and a `string` that is displayed in the
 * input element.
 *
 * When user types something in the input this service attempts to parse it into a `NgbDateStruct` object.
 * And vice versa, when users selects a date in the calendar with the mouse, it must be displayed as a `string`
 * in the input.
 *
 * Default implementation uses the ISO 8601 format, but you can provide another implementation via DI
 * to use an alternative string format or a custom parsing logic.
 *
 * See the [date format overview](#/components/datepicker/overview#date-model) for more details.
 * @abstract
 */
export class NgbDateParserFormatter {
}
NgbDateParserFormatter.decorators = [
    { type: Injectable, args: [{ providedIn: 'root', useFactory: NGB_DATEPICKER_PARSER_FORMATTER_FACTORY },] }
];
/** @nocollapse */ NgbDateParserFormatter.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: NGB_DATEPICKER_PARSER_FORMATTER_FACTORY, token: NgbDateParserFormatter, providedIn: "root" });
if (false) {
    /**
     * Parses the given `string` to an `NgbDateStruct`.
     *
     * Implementations should try their best to provide a result, even
     * partial. They must return `null` if the value can't be parsed.
     * @abstract
     * @param {?} value
     * @return {?}
     */
    NgbDateParserFormatter.prototype.parse = function (value) { };
    /**
     * Formats the given `NgbDateStruct` to a `string`.
     *
     * Implementations should return an empty string if the given date is `null`,
     * and try their best to provide a partial result if the given date is incomplete or invalid.
     * @abstract
     * @param {?} date
     * @return {?}
     */
    NgbDateParserFormatter.prototype.format = function (date) { };
}
export class NgbDateISOParserFormatter extends NgbDateParserFormatter {
    /**
     * @param {?} value
     * @return {?}
     */
    parse(value) {
        if (value) {
            /** @type {?} */
            const dateParts = value.trim().split('-');
            if (dateParts.length === 1 && isNumber(dateParts[0])) {
                return { year: toInteger(dateParts[0]), month: null, day: null };
            }
            else if (dateParts.length === 2 && isNumber(dateParts[0]) && isNumber(dateParts[1])) {
                return { year: toInteger(dateParts[0]), month: toInteger(dateParts[1]), day: null };
            }
            else if (dateParts.length === 3 && isNumber(dateParts[0]) && isNumber(dateParts[1]) && isNumber(dateParts[2])) {
                return { year: toInteger(dateParts[0]), month: toInteger(dateParts[1]), day: toInteger(dateParts[2]) };
            }
        }
        return null;
    }
    /**
     * @param {?} date
     * @return {?}
     */
    format(date) {
        return date ?
            `${date.year}-${isNumber(date.month) ? padNumber(date.month) : ''}-${isNumber(date.day) ? padNumber(date.day) : ''}` :
            '';
    }
}
NgbDateISOParserFormatter.decorators = [
    { type: Injectable }
];
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