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@spices/basil-i18n

v1.3.0

Published

@spices/basil plugin to ease the i18n process

Downloads

2

Readme

Basil - i18n plugin

@spices/basil plugin to ease the i18n process

Wallaby.js

Installation

  1. Install the package → yarn add @spices/basil-i18n
  2. Install the plugin
import { basil, install } from '@spices/basil'
import { install as basilI18n } from '@spices/basil-i18n'

Vue.use(install)
basil.use(basilI18n, options:Object)

Options

Alongside the installation, an options object can be used to customize the behavior of the i18n plugin. It is also possible to update the options via the basil.i18n.options methods.

Syntax

basil.i18n.options({options:Object})

Parameters

options.locale.key:String = 'basil.i18n.locale' The value to persist the locale information in the locale storage.

options.locale.matcher:Function

Allows you to override the suggestion mechanism of a locale in the matching process. This function will be executed during the definition of possible locales (more info in the matching section) when starting the plugin and every time the locales changes.

function(locale:Locale, locales:Array.Locale, options:Options):Array.Locale

options.locale.persistent:Boolean = false Whether or not to store the locale value in the local storage.

options.locale.priority:String = basil.i18n.Priority.LOCALE

Whether to prioritize the country or the locale when trying to find out the appropriate locale for the user. Available values:

  • basil.i18n.Priority.COUNTRY Will try to find a match based on the country.
  • basil.i18n.Priority.LOCALE Will try to find a match based on the locale.

API

currency

Format the given number into a human currency representation.

Syntax

basil.i18n.currency(value:Number, options:Object{
  [compact:Boolean = false],
  [currency:String = basil.i18n.Currencies.EURO],
  [display:String = basil.i18n.Formats.SYMBOL],
  [fraction:Integer = 2],
  [group:Boolean = true],
  [locale:String = 'en'],
  [significant:Integer = 21],
  [sign:NumberSigns = basil.i18n.NumberSigns.AUTO]
})

Examples

let value = 12345.6789

basil.i18n.currency(value) // "€12,345.6789"
basil.i18n.currency(value, { locale: 'fr' }) // "12 345,6789 €"
basil.i18n.currency(value, { currency: basil.i18n.Currencies.US_DOLLAR }) // "$12,345.6789"

Parameters

value Required

The value to convert. Must be a valid Number.

options.compact

Whether or not use a compact form of output. Useful for legend and such narrow places. Possible values are true and false; the default is false.

options.currency

The currency to use in currency formatting. Possible values are the ISO 4217 currency codes. The allowed values are modeled and available with the basil.i18n.Currencies collection.

options.display

How to display the currency in currency formatting. Possible values are:

  • basil.i18n.Formats.SYMBOL to use a localized currency symbol such as €, this is the default value,

  • basil.i18n.Formats.NARROW_SYMBOL to use a narrow format symbol ("$100" rather than "US$100"),

  • basil.i18n.Formats.CODE to use the ISO currency code,

  • basil.i18n.Formats.NAME to use a localized currency name such as dollar

options.fraction

The number of fraction digits to use. Possible values are from 0 to 20. The default value is 2.

options.group

Whether to use grouping separators, such as thousands separators or thousand/lakh/crore separators. Possible values are true and false; the default is true.

options.locale

A string with a BCP 47 language tag, or an array of such strings.

options.significant

The number of significant digits to use. Possible values are from 1 to 21. The default is 21.

options.sign

When to display the sign for the number; defaults to basil.NumberSigns.AUTO

  • basil.i18n.NumberSigns.AUTO Sign display for negative numbers only
  • basil.i18n.NumberSigns.NEVER Never display sign
  • basil.i18n.NumberSigns.ALWAYS Always display sign
  • basil.i18n.NumberSigns.EXCEPTZERO Sign display for positive and negative numbers, but not zero

Returns

The formatted value as a String.

date

Format a given date into a human representation.

For convenience, multiple aliases exist. All the version shares the same API, just the default style is altered:

  • basil.i18n.date Will format with the style basil.i18n.DateStyles.DATE
  • basil.i18n.datetime Will format with the style basil.i18n.DateStyles.DATETIME
  • basil.i18n.time Will format with the style basil.i18n.DateStyles.TIME

Syntax

basil.i18n.date(value:Date, options:Object{
  [day],
  [era],
  [hour],
  [locale = 'en'],
  [minute],
  [month],
  [second],
  [style = basil.i18n.DateStyles.DATE],
  [timezone],
  value,
  [weekday],
  [year]
}):String

Examples

let value = new Date()

basil.date(value) // "04/14/2021"
basil.datetime(value) // "04/14/2021 10:23"
basil.time(value) // "10:23"
basil.date(value, { weekday: basil.DateFormats.LONG }) // "Wednesday 04/14/2021"

Parameters

value Required

The value to convert. Must be a valid date.

options.day

The representation of the day. Possible values are:

  • basil.i18n.Formats.NUMERIC (e.g., 1)
  • basil.i18n.Formats.DIGIT2 (e.g., 01)

options.era

The representation of the era. Possible values are:

  • basil.i18n.Formats.LONG (e.g., Anno Domini)
  • basil.i18n.Formats.SHORT (e.g., AD)
  • basil.i18n.Formats.NARROW (e.g., A)

options.hour

The representation of the hour. Possible values are basil.i18n.Formats.NUMERIC, basil.i18n.Formats.DIGIT2.

options.locale

A string with a BCP 47 language tag, or an array of such strings.

options.minute

The representation of the minute. Possible values are basil.i18n.Formats.NUMERIC, basil.i18n.Formats.DIGIT2

options.month

The representation of the month. Possible values are:

  • basil.i18n.Formats.NUMERIC (e.g., 2)
  • basil.i18n.Formats.DIGIT2 (e.g., 02)
  • basil.i18n.Formats.LONG (e.g., March)
  • basil.i18n.Formats.SHORT (e.g., Mar)
  • basil.i18n.Formats.NARROW (e.g., M). Two months may have the same narrow style for some locales (e.g. May's narrow style is also M).

options.second

The representation of the second. Possible values are basil.i18n.Formats.NUMERIC, basil.i18n.Formats.DIGIT2.

options.style

The style of output. Possible values are:

  • basil.i18n.DateStyles.DATE
  • basil.i18n.DateStyles.DATETIME
  • basil.i18n.DateStyles.MONTH
  • basil.i18n.DateStyles.TIME
  • basil.i18n.DateStyles.WEEKDAY

options.timezone

The representation of the time zone name. Possible values are:

  • basil.i18n.Formats.LONG (e.g., British Summer Time)
  • basil.i18n.Formats.SHORT (e.g., GMT+1)

options.weekday

The representation of the weekday. Possible values are:

  • basil.i18n.Formats.LONG (e.g., Thursday)
  • basil.i18n.Formats.SHORT (e.g., Thu)
  • basil.i18n.Formats.NARROW (e.g., T). Two weekdays may have the same narrow style for some locales (e.g. Tuesday's narrow style is also T).

options.year

The representation of the year. Possible values are:

  • basil.i18n.Formats.NUMERIC (e.g., 2012)
  • basil.i18n.Formats.DIGIT2 (e.g., 12)

Returns

The formatted date as a String

fallback

The fallback locale to use, if no valid options are found. By default, the value is en-GB.

Syntax

basil.i18n.fallback = <basil.i18n.Locale>

locale

Set the current locale.

Syntax

basil.i18n.locale = <basil.i18n.Locale>

This value will be used as a default for all the conversion functions when the locale param is not defined. The value must be a valid basil.i18n.Locale.

The value will be validated against the list of defined locales in basil.i18n.locales if it is defined.

locales

Set the available locales. Restrict the accepted values from basil.i18n.locale to ones from this list.

Syntax

basil.i18n.locales = <Array.basil.i18n.Locale>

All the the entries must be of type basil.i18n.Locale.

number

Format a given number into a human representation.

For convenience, multiple aliases exist. All the version shares the same API, just the default style is altered:

  • basil.i18n.number Will format with the style basil.i18n.NumberStyle.DECIMAL
  • basil.i18n.percent Will format with the style basil.i18n.NumberStyle.PERCENT
  • basil.i18n.unit Will format with the style basil.i18n.NumberStyle.UNIT

Syntax

basil.i18n.number(value:Number, options:Object{ 
  [compact:Boolean = false],
  [display:String = basil.i18n.Formats.SHORT]
  [fraction:Integer = 2],
  [group:Boolean = true],
  [locale:String = 'en'],
  [sign:NumberSigns = basil.i18n.NumberSigns.AUTO],
  [significant:Integer = 21],
  [style:NumberStyles = basil.i18n.NumberStyles.DECIMAL],
  [unit:NumberUnits],
}):String

Examples

let value = 12345.67890

basil.number( value ) // "12,345.6789"
basil.number( value, { style: basil.i18n.NumberStyles.PERCENT }) // "1,234,568%"
basil.number( value, { style: basil.i18n.NumberStyles.UNIT, unit: basil.i18n.NumberUnits.LITER }) // "12,345.6789 L"
basil.number( value, { style: basil.i18n.NumberStyles.UNIT, unit: "Bonbons" }) // "12,345.6789 Bonbons"
basil.number( value, { compact: true }) // "12.3456789K"

Parameters

value Required

The value to convert. Must be a valid Number.

options.compact

Whether or not use a compact form of output. Useful for legend and such narrow places. Possible values are true and false; the default is false.

options.display

The unit formatting style to use in unit formatting, the defaults is basil.i18n.Formats.SHORT.

  • basil.i18n.Formats.LONG (e.g., 16 litres)
  • basil.i18n.Formats.SHORT (e.g., 16 l)
  • basil.i18n.Formats.NARROW (e.g., 16l)

options.fraction

The number of fraction digits to use. Possible values are from 0 to 20. The default value is 2.

options.group

Whether to use grouping separators, such as thousands separators or thousand/lakh/crore separators. Possible values are true and false; the default is true.

options.locale

A string with a BCP 47 language tag, or an array of such strings.

options.sign

When to display the sign for the number; defaults to basil.i18n.NumberSigns.AUTO

  • basil.i18n.NumberSigns.AUTO Sign display for negative numbers only
  • basil.i18n.NumberSigns.NEVER Never display sign
  • basil.i18n.NumberSigns.ALWAYS Always display sign
  • basil.i18n.NumberSigns.EXCEPTZERO Sign display for positive and negative numbers, but not zero

options.significant

The number of significant digits to use. Possible values are from 1 to 21. The default is 21.

options.style

The formatting style to use, the default is basil.i18n.NumberStyles.DECIMAL.

  • basil.i18n.NumberStyles.DECIMAL for plain number formatting.
  • basil.i18n.NumberStyles.PERCENT for percent formatting
  • basil.i18n.NumberStyles.UNIT for unit formatting

options.unit

The unit to use in basil.i18n.NumberStyle.UNIT formatting. Possible values are core unit identifiers, defined in the subset selected for use in ECMAScript. It is also possible to set a custom unit by just providing a String value instead of a defined NumberUnits.

  • basil.i18n.NumberUnits.ACRE
  • basil.i18n.NumberUnits.BIT
  • basil.i18n.NumberUnits.BYTE
  • basil.i18n.NumberUnits.CELSIUS
  • basil.i18n.NumberUnits.CENTIMETER
  • basil.i18n.NumberUnits.DAY
  • basil.i18n.NumberUnits.DEGREE
  • basil.i18n.NumberUnits.FAHRENHEIT
  • basil.i18n.NumberUnits.FLUID_OUNCE
  • basil.i18n.NumberUnits.FOOT
  • basil.i18n.NumberUnits.GALLON
  • basil.i18n.NumberUnits.GIGABIT
  • basil.i18n.NumberUnits.GIGABYTE
  • basil.i18n.NumberUnits.GRAM
  • basil.i18n.NumberUnits.HECTARE
  • basil.i18n.NumberUnits.HOUR
  • basil.i18n.NumberUnits.INCH
  • basil.i18n.NumberUnits.KILOBIT
  • basil.i18n.NumberUnits.KILOBYTE
  • basil.i18n.NumberUnits.KILOGRAM
  • basil.i18n.NumberUnits.KILOMETER
  • basil.i18n.NumberUnits.LITER
  • basil.i18n.NumberUnits.MEGABIT
  • basil.i18n.NumberUnits.MEGABYTE
  • basil.i18n.NumberUnits.METER
  • basil.i18n.NumberUnits.MILE
  • basil.i18n.NumberUnits.MILE_SCANDINAVIAN
  • basil.i18n.NumberUnits.MILLILITER
  • basil.i18n.NumberUnits.MILLIMETER
  • basil.i18n.NumberUnits.MILLISECOND
  • basil.i18n.NumberUnits.MINUTE
  • basil.i18n.NumberUnits.MONTH
  • basil.i18n.NumberUnits.OUNCE
  • basil.i18n.NumberUnits.PERCENT
  • basil.i18n.NumberUnits.PETABYTE
  • basil.i18n.NumberUnits.POUND
  • basil.i18n.NumberUnits.SECOND
  • basil.i18n.NumberUnits.STONE
  • basil.i18n.NumberUnits.TERABIT
  • basil.i18n.NumberUnits.TERABYTE
  • basil.i18n.NumberUnits.WEEK
  • basil.i18n.NumberUnits.YARD
  • basil.i18n.NumberUnits.YEAR

Returns

The formatted value as a String.

Matcher

During the initialization of the i18n plugin and every time the list of locales is changed, we need to figure out the appropriate locale for the user. With the update of locales, we also have to make sure the current locale is still valid.

For that purpose, a list of possibilities is established to select the first valid locale. This matching process is triggered by the following events:

  • The plugin initialization
  • The alteration of the basil.i18n.locales
  • The alteration of the fallback locale basil.i18n.fallback

The list of possibilities is established in this particular order:

| | | :----------------------------------------------------------- | | The current basil.i18n.locale | | The value store in the local storage. Only if options.locale.persistent is set to true | | The value coming from the options.locale.matcher function | | The value coming from the options.i18n.fallback | | The first value in the basil.i18n.locales | | The navigator language navigator.language |

If no value is found in the list, then an error is thrown.

Matching priority

It is not always possible to directly correlate the given locale and the list of available ones. When it happens, we can set the priority on either the

e.g. with the given the following list of locales fr_FR, fr_BE, nl_NL, nl, and a locale of nl_BE no direct match can be found. Based on the available strategies:

| Priority | yield | | :---------------------------- | :---------- | | basil.i18n.Priority.COUNTRY | fr_BE | | basil.i18n.Priority.LOCALE | nl_NL, nl |