VLEX/BPM-UI/node_modules/ngx-bootstrap/chronos/esm2015/format.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
// moment.js
// version : 2.18.1
// authors : Tim Wood, Iskren Chernev, Moment.js contributors
// license : MIT
// momentjs.com
import './units/index';
import { formatFunctions, makeFormatFunction } from './format/format';
import { getLocale } from './locale/locales';
import { isDateValid } from './utils/type-checks';
/**
 * @param {?} date
 * @param {?} format
 * @param {?=} locale
 * @param {?=} isUTC
 * @param {?=} offset
 * @return {?}
 */
export function formatDate(date, format, locale, isUTC, offset = 0) {
    /** @type {?} */
    const _locale = getLocale(locale || 'en');
    if (!_locale) {
        throw new Error(`Locale "${locale}" is not defined, please add it with "defineLocale(...)"`);
    }
    /** @type {?} */
    const _format = format || (isUTC ? 'YYYY-MM-DDTHH:mm:ss[Z]' : 'YYYY-MM-DDTHH:mm:ssZ');
    /** @type {?} */
    const output = formatMoment(date, _format, _locale, isUTC, offset);
    if (!output) {
        return output;
    }
    return _locale.postformat(output);
}
// format date using native date object
/**
 * @param {?} date
 * @param {?} _format
 * @param {?} locale
 * @param {?=} isUTC
 * @param {?=} offset
 * @return {?}
 */
export function formatMoment(date, _format, locale, isUTC, offset = 0) {
    if (!isDateValid(date)) {
        return locale.invalidDate;
    }
    /** @type {?} */
    const format = expandFormat(_format, locale);
    formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
    return formatFunctions[format](date, locale, isUTC, offset);
}
/**
 * @param {?} _format
 * @param {?} locale
 * @return {?}
 */
export function expandFormat(_format, locale) {
    /** @type {?} */
    let format = _format;
    /** @type {?} */
    let i = 5;
    /** @type {?} */
    const localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
    /** @type {?} */
    const replaceLongDateFormatTokens = (/**
     * @param {?} input
     * @return {?}
     */
    (input) => {
        return locale.formatLongDate(input) || input;
    });
    localFormattingTokens.lastIndex = 0;
    while (i >= 0 && localFormattingTokens.test(format)) {
        format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
        localFormattingTokens.lastIndex = 0;
        i -= 1;
    }
    return format;
}
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