ember-moment

ember-moment

moment.js template helpers and computed property macros for Ember

Installing

ember install ember-moment

Upgrading

It's advisable to run ember g ember-moment between upgrades as dependencies may have been added, removed, or upgraded between releases. Please try this, along with clearing node_modules and bower_components before reporting issues after upgrading.

Usage

Computed Property Macros

Ships with the following computed property macros: duration, humanize, locale, tz, format, calendar, moment, toNow, fromNow. They can be used individually or composed together.

Computed Property Macro Documentation

Helpers

moment

{{moment <date>}}

Parameters	Values
<date>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)

Returns a Moment.

Example

{{moment '12-25-1995' 'MM-DD-YYYY'}} {{!-- Mon Dec 25 1995 00:00:00 GMT-0500 --}}

utc

{{utc <date>}}
{{utc}}

Parameters	Values
<date>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)

Returns a Moment with utc mode set.

Example

{{utc '2001-10-31T08:24:56'}} {{!-- Wed Oct 31 2001 08:24:56 GMT+0000 --}}
{{utc}} {{!-- current time utc, like Mon Feb 12 2018 20:33:08 GMT+0000 --}}
{{utc (moment '2018-01-01T00:00:00+01:00' 'YYYY-MM-DD HH:mm:ssZ')}}  {{!-- Sun Dec 31 2017 23:00:00 GMT+0000 --}}

moment-format

{{moment-format <date> [outputFormat=moment.defaultFormat [<inputFormat>]]}}

Parameters	Values
<date>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
outputFormat	An optional date/time String output format, defaults to moment.defaultFormat which you must explicitly define
<inputFormat>	An optional date/time String input format

Formats a <date> to an optional outputFormat from an optional inputFormat. If the inputFormat is not provided, the date String is parsed on a best effort basis. If the outputFormat is not given the global moment.defaultFormat is used. Typically, outputFormat and inputFormat are given. See momentjs#format.

NOTE: for all other helpers, the input format string is the second argument.

Example

{{moment-format '12-1995-25' 'MM/DD/YYYY' 'MM-YYYY-DD'}} {{!-- 12/25/1995 --}}

moment-from / moment-from-now

{{moment-from <dateA> [<dateB>] [hideAffix=false]}}
{{moment-from-now <dateA> [hideAffix=false]}}

Parameters	Values
<dateA>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	An optional value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...), defaults to now
hideAffix	An optional Boolean to hide the relative prefix/suffix or not.
hideSuffix	Deprecated An optional Boolean to hide the relative suffix or not. It was only available for moment-from and will be removed in 8.0.0

Returns the time between <dateA> and <dateB> relative to <dateB>. See momentjs#from.

Note that moment-from-now is just a more verbose moment-from without dateB. You don't need to use it anymore.

Examples

{{!-- in January 2018 at time of writing --}}
{{moment-from '2995-12-25'}} {{!-- in 978 years --}}
{{moment-from-now '2995-12-25'}} {{!-- in 978 years --}}
{{moment-from '1995-12-25' '2995-12-25' hideAffix=true}} {{!-- 1000 years --}}

moment-to / moment-to-now

{{moment-to <dateA> [<dateB>] [hideAffix=false]}}
{{moment-to-now <dateA> [hideAffix=false]}}

Parameters	Values
<dateA>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	An optional value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...), defaults to now
hideAffix	An optional Boolean to hide the relative prefix/suffix or not.
hidePrefix	Deprecated An optional Boolean to hide the relative prefix or not. It was only available for moment-to and will be removed in 8.0.0

Returns the time between <dateA> and <dateB> relative to <dateA>. See momentjs#to.

Note that moment-to-now is just a more verbose moment-to without dateB. You don't need to use it anymore.

Examples

{{!-- in January 2018 at time of writing --}}
{{moment-to '2995-12-25'}} {{!-- 978 years ago --}}
{{moment-to '1995-12-25' '2995-12-25'}} {{!-- in 1000 years --}}
{{moment-to-now '1995-12-25' hideAffix=true}} {{!-- 22 years --}}

moment-duration

{{moment-duration <number> [<units>]}}

Parameters	Values
<number>	Any value(s) interpretable as a duration by moment (typically a Number in milliseconds)
<units>	An optional String to specify the units of <number> (typically 'seconds', 'minutes', 'hours'...)

Returns a Duration automatically humanized. See momentjs#duration.

Examples

{{moment-duration 100}} {{!-- a few seconds --}}
{{moment-duration 24 'hours'}} {{!-- a day --}}

moment-calendar

{{moment-calendar <dateA> [<dateB> [<formatHash>]]}}

Parameters	Values
<dateA>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	An optional value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...) used as a reference, defaults to now
<formatHash>	An optional output format hash, defaults to {}

Returns the time between <dateA> and <dateB> relative to <dateB> in a way that is different from moment-from and customizable via <formatHash>. See momentjs#calendar.

Examples

{{!-- in January 2018 at time of writing --}}
{{moment-from-now '2018-01-25'}} {{!-- 2 days ago --}}
{{moment-calendar '2018-01-25'}} {{!-- Yesterday at 12:00 AM --}}

moment-diff

{{moment-diff <dateA> <dateB> [precision='milliseconds' [float=false]]}}

Parameters	Values
<dateA>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
precision	An optional unit of measurement, defaults to 'milliseconds'
float	An optional Boolean to get the floating point result, rather than the integer value

Returns the difference in precision units between <dateA> and <dateB> with floating point accuracy if float is true. See momentjs#diff.

Examples

{{moment-diff '2018-01-25' '2018-01-26'}} {{!-- 86400000 --}}
{{moment-diff '2018-01-25' '2018-01-26' precision='years' float=true}} {{!-- 0.0026881720430107525 --}}

is-before / is-after / is-same / is-same-or-before / is-same-or-after

{{is-before <dateA> [<dateB>] [precision='milliseconds']}}
{{is-after <dateA> [<dateB>] [precision='milliseconds']}}
{{is-same <dateA> [<dateB>] [precision='milliseconds']}}
{{is-same-or-before <dateA> [<dateB>] [precision='milliseconds']}}
{{is-same-or-after <dateA> [<dateB>] [precision='milliseconds']}}

Parameters	Values
<dateA>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	An optional value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...). If not given, <dateA> becomes now and <dateB> becomes <dateA>
precision	An optional String unit of comparison precision, defaults to 'milliseconds'

Returns a Boolean that indicates if <dateA> is respectively before/after/the same/same or before/ same or after <dateB> to the precision level. See momentjs#queries.

Examples

{{is-before '2995-12-25'}} {{!-- false --}}
{{is-before '2018-01-25' '2018-01-26' precision='years'}} {{!-- false --}}
{{is-same-or-after '2018-01-25' '2018-01-26' precision='years'}} {{!-- true --}}

is-between

{{is-between <date> <dateA> [<dateB>] [precision='year' inclusivity='[)']}}

Parameters	Values
<date>	Any value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateA>	A boundary value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...)
<dateB>	An optional boundary value(s) interpretable as a date/time by moment (a date String or a Moment or a Date...). If not given <date> is assigned now, <dateA> is assigned <date> and <dateB> is assigned <dateA>.
precision	An optional String unit of comparison precision, defaults to 'milliseconds'
inclusivity	An optional String indicating inclusivity of the boundaries, defaults to ()

Returns a Boolean that indicates if <date> is between <dateA> and <dateB> to the precision level and with boundary inclusions specified by inclusivity. See momentjs#is-between.

Examples

{{is-between '1995-12-25' '2995-12-25'}} {{!-- true --}}
{{is-between '1995-12-25' '1995-12-25' '2995-12-25' precision='years' inclusivity='[)'}} {{!-- true --}}

now

{{now}}

Returns the present Moment.

Examples

{{!-- date at time of writing }}
{{now}} {{!-- Sat Jan 27 2018 11:59:31 GMT-0500 --}}
{{!-- interval is a common named parameter (see the corresponding section) }}
{{now interval=1000}} {{!-- <current date and updating every 1-second (1000 milliseconds).> --}}

unix

{{unix <timestamp>}}

Parameters	Values
<timestamp>	An integer Number or String value representing the number of seconds since the Unix Epoch (January 1 1970 12AM UTC)

Returns a Moment corresponding to the <timestamp>.

Examples

{{unix '1516586508'}} {{!-- Sun Jan 21 2018 21:01:48 GMT-0500 --}}
{{!-- Warning: Passing a literal integer value does not work --}}
{{unix 1516586508}} {{!-- Invalid date --}}

Common optional named arguments

All helpers accept the following optional named arguments (even though they are not always applicable):

Parameters	Values
locale	An optional String locale, to override the default global moment.locale
timeZone	An optional String time zone, defaults to moment.timeZone (the default time zone)
interval	An optional interval Number of milliseconds when the helper should be recomputed
allow-empty	An optional Boolean to ignore the Invalid date output when knowingly passing null, undefined, or '', defaults to false

Note that interval does not recompute the value of the helper parameters, unless it is part of a helper that is a value in which case it is useful for "live" updating as time elapses.

Warning: allow-empty is currently inconsistent and should not always be trusted.

Examples

{{now interval=1000}} {{!-- <current date and updating every 1-second (1000 milliseconds)> --}}
{{is-before (now) '2018-01-26' interval=60000}} {{!-- if this was true initially, it will always be true despite interval --}}
{{moment-format '' allow-empty=true}}  {{!-- <nothing> --}}

ES6 Moment

This addon provides the ability to import moment as an ES6 module.

import moment from 'moment';

Configuration Options

Include Moment Timezone

You can optionally include the Moment Timezone package in your config/environment.js like so:

// config/environment.js
module.exports = function() {
  return {
    moment: {
      // Options:
      // 'all' - all years, all timezones
      // '2010-2020' - 2010-2020, all timezones
      // 'none' - no data, just timezone API
      includeTimezone: 'all'
    }
  }
};

Global Default Output Format

Your application may require a default format other than the default, ISO 8601. For example, you may want dates to fallback on the localized shorthand format L by default.

// config/environment.js
module.exports = function() {
  return {
    moment: {
      outputFormat: 'L'
    }
  }
};

If you need to change the default format during runtime, use the service API. Doing so will cause the moment-format helper instances to re-render with the new default format.

// app/controller/index.js
export default Ember.Controller.extend({
  moment: Ember.inject.service(),
  actions: {
    changeDefaultFormat() {
      this.set('moment.defaultFormat', 'MM.DD.YYYY');
    }
  }
})

Global Allow Empty Dates

If null, undefined, or an empty string are passed as a date to any of the moment helpers then you will get Invalid Date in the output. To avoid this issue globally, you can set the option allowEmpty which all of the helpers respect and will result in nothing being rendered instead of Invalid Date.

// config/environment.js
module.exports = function() {
  return {
    moment: {
      allowEmpty: true // default: false
    }
  }
};

i18n support

Cherry pick locales (optimal)

// config/environment.js
module.exports = function(environment) {
  return {
    moment: {
      // To cherry-pick specific locale support into your application.
      // Full list of locales: https://github.com/moment/moment/tree/2.10.3/locale
      includeLocales: ['es', 'fr-ca']
    }
  };

Include all locales into build

// config/environment.js
module.exports = function(environment) {
  return {
    moment: {
      includeLocales: true
    }
  };

NOTE: English is bundled automatically, no need to add en in includeLocales

Write all the locales to a folder relative to dist

Alternatively, you can copy all of moment's locale files into your dist directory.

// config.environment.js
module.exports = function(environment) {
  return {
    moment: {
      // This will output _all_ locale scripts to assets/moment-locales
      // this option does not respect includeLocales
      localeOutputPath: 'assets/moment-locales'
    }
  };

This allows you to load them on demand when you need them:

Ember.$.getScript('/assets/moment-locales/fr.js');

Configure default runtime locale/timeZone

Globally set locale

// app/routes/applicaton.js
export default Ember.Route.extend({
  moment: Ember.inject.service(),
  beforeModel() {
    this.get('moment').setLocale('es');
  }
});

Globally set time zone

// app/routes/applicaton.js
export default Ember.Route.extend({
  moment: Ember.inject.service(),
  beforeModel() {
    this.get('moment').setTimeZone('America/Los_Angeles');
  }
});

Frequently Asked Questions

Invalid Date is being rendered into the DOM, how do I avoid this?

An invalid date string is being passed into momentjs and/or the input string format was omitted.

If you are knowingly passing null, undefined, or an empty string and want to ignore the output of Invalid Date then pass the option allow-empty=true to the helper (all helpers accept this property)

{{moment-format ''}}  {{!-- Invalid date --}}
{{moment-format '' allow-empty=true}}  {{!-- <nothing> --}}

Development

• git clone this repository
• npm install
• bower install
• ember server
• Visit your app at http://localhost:4200.

Running Tests

• ember test
• ember test --server

Building

• ember build

For more information on using ember-cli, visit http://www.ember-cli.com/.

Changelog

7.8.1

• @puwelous Substitute merge() with assign() - Ember deprecation #296
• @jasonmit ci: Bump Supported Node version from 4 to 6.
• @kellyselden update ember-macro-helpers #285
• @scottkidder Replace Logger with console #281