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Diffstat (limited to 'library/moment/src/lib/units/offset.js')
-rw-r--r-- | library/moment/src/lib/units/offset.js | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/library/moment/src/lib/units/offset.js b/library/moment/src/lib/units/offset.js deleted file mode 100644 index 33288c0bf..000000000 --- a/library/moment/src/lib/units/offset.js +++ /dev/null @@ -1,213 +0,0 @@ -import zeroFill from '../utils/zero-fill'; -import { createDuration } from '../duration/create'; -import { addSubtract } from '../moment/add-subtract'; -import { isMoment, copyConfig } from '../moment/constructor'; -import { addFormatToken } from '../format/format'; -import { addRegexToken, matchOffset } from '../parse/regex'; -import { addParseToken } from '../parse/token'; -import { createLocal } from '../create/local'; -import { prepareConfig } from '../create/from-anything'; -import { createUTC } from '../create/utc'; -import isDate from '../utils/is-date'; -import toInt from '../utils/to-int'; -import compareArrays from '../utils/compare-arrays'; -import { hooks } from '../utils/hooks'; - -// FORMATTING - -function offset (token, separator) { - addFormatToken(token, 0, 0, function () { - var offset = this.utcOffset(); - var sign = '+'; - if (offset < 0) { - offset = -offset; - sign = '-'; - } - return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); - }); -} - -offset('Z', ':'); -offset('ZZ', ''); - -// PARSING - -addRegexToken('Z', matchOffset); -addRegexToken('ZZ', matchOffset); -addParseToken(['Z', 'ZZ'], function (input, array, config) { - config._useUTC = true; - config._tzm = offsetFromString(input); -}); - -// HELPERS - -// timezone chunker -// '+10:00' > ['10', '00'] -// '-1530' > ['-15', '30'] -var chunkOffset = /([\+\-]|\d\d)/gi; - -function offsetFromString(string) { - var matches = ((string || '').match(matchOffset) || []); - var chunk = matches[matches.length - 1] || []; - var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; - var minutes = +(parts[1] * 60) + toInt(parts[2]); - - return parts[0] === '+' ? minutes : -minutes; -} - -// Return a moment from input, that is local/utc/zone equivalent to model. -export function cloneWithOffset(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (isMoment(input) || isDate(input) ? +input : +createLocal(input)) - (+res); - // Use low-level api, because this fn is low-level api. - res._d.setTime(+res._d + diff); - hooks.updateOffset(res, false); - return res; - } else { - return createLocal(input).local(); - } -} - -function getDateOffset (m) { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(m._d.getTimezoneOffset() / 15) * 15; -} - -// HOOKS - -// This function will be called whenever a moment is mutated. -// It is intended to keep the offset in sync with the timezone. -hooks.updateOffset = function () {}; - -// MOMENTS - -// keepLocalTime = true means only change the timezone, without -// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> -// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset -// +0200, so we adjust the time as needed, to be valid. -// -// Keeping the time actually adds/subtracts (one hour) -// from the actual represented time. That is why we call updateOffset -// a second time. In case it wants us to change the offset again -// _changeInProgress == true case, then we have to adjust, because -// there is no such time in the given timezone. -export function getSetOffset (input, keepLocalTime) { - var offset = this._offset || 0, - localAdjust; - if (input != null) { - if (typeof input === 'string') { - input = offsetFromString(input); - } - if (Math.abs(input) < 16) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = getDateOffset(this); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addSubtract(this, createDuration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - hooks.updateOffset(this, true); - this._changeInProgress = null; - } - } - return this; - } else { - return this._isUTC ? offset : getDateOffset(this); - } -} - -export function getSetZone (input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } - - this.utcOffset(input, keepLocalTime); - - return this; - } else { - return -this.utcOffset(); - } -} - -export function setOffsetToUTC (keepLocalTime) { - return this.utcOffset(0, keepLocalTime); -} - -export function setOffsetToLocal (keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; - - if (keepLocalTime) { - this.subtract(getDateOffset(this), 'm'); - } - } - return this; -} - -export function setOffsetToParsedOffset () { - if (this._tzm) { - this.utcOffset(this._tzm); - } else if (typeof this._i === 'string') { - this.utcOffset(offsetFromString(this._i)); - } - return this; -} - -export function hasAlignedHourOffset (input) { - input = input ? createLocal(input).utcOffset() : 0; - - return (this.utcOffset() - input) % 60 === 0; -} - -export function isDaylightSavingTime () { - return ( - this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset() - ); -} - -export function isDaylightSavingTimeShifted () { - if (typeof this._isDSTShifted !== 'undefined') { - return this._isDSTShifted; - } - - var c = {}; - - copyConfig(c, this); - c = prepareConfig(c); - - if (c._a) { - var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); - this._isDSTShifted = this.isValid() && - compareArrays(c._a, other.toArray()) > 0; - } else { - this._isDSTShifted = false; - } - - return this._isDSTShifted; -} - -export function isLocal () { - return !this._isUTC; -} - -export function isUtcOffset () { - return this._isUTC; -} - -export function isUtc () { - return this._isUTC && this._offset === 0; -} |