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- import { hooks } from '../utils/hooks';
- import hasOwnProp from '../utils/has-own-prop';
- import isUndefined from '../utils/is-undefined';
- import getParsingFlags from '../create/parsing-flags';
- // Plugins that add properties should also add the key here (null value),
- // so we can properly clone ourselves.
- var momentProperties = hooks.momentProperties = [];
- export function copyConfig(to, from) {
- var i, prop, val;
- if (!isUndefined(from._isAMomentObject)) {
- to._isAMomentObject = from._isAMomentObject;
- }
- if (!isUndefined(from._i)) {
- to._i = from._i;
- }
- if (!isUndefined(from._f)) {
- to._f = from._f;
- }
- if (!isUndefined(from._l)) {
- to._l = from._l;
- }
- if (!isUndefined(from._strict)) {
- to._strict = from._strict;
- }
- if (!isUndefined(from._tzm)) {
- to._tzm = from._tzm;
- }
- if (!isUndefined(from._isUTC)) {
- to._isUTC = from._isUTC;
- }
- if (!isUndefined(from._offset)) {
- to._offset = from._offset;
- }
- if (!isUndefined(from._pf)) {
- to._pf = getParsingFlags(from);
- }
- if (!isUndefined(from._locale)) {
- to._locale = from._locale;
- }
- if (momentProperties.length > 0) {
- for (i in momentProperties) {
- prop = momentProperties[i];
- val = from[prop];
- if (!isUndefined(val)) {
- to[prop] = val;
- }
- }
- }
- return to;
- }
- var updateInProgress = false;
- // Moment prototype object
- export function Moment(config) {
- copyConfig(this, config);
- this._d = new Date(config._d != null ? config._d.getTime() : NaN);
- // Prevent infinite loop in case updateOffset creates new moment
- // objects.
- if (updateInProgress === false) {
- updateInProgress = true;
- hooks.updateOffset(this);
- updateInProgress = false;
- }
- }
- export function isMoment (obj) {
- return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
- }
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