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