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fast_i18n

pub package Awesome Flutter ci License: MIT

Lightweight i18n solution. Use JSON, YAML or CSV files to create typesafe translations.

Important

slang is the official successor of this library!

It is recommended to migrate to slang as new features are only implemented there.

You can read the migration guide here.

About this library

  • πŸš€ Minimal setup, create JSON files and get started! No configuration needed.
  • πŸ“¦ Self-contained, you can remove this library after generation.
  • 🐞 Bug-resistant, no typos or missing arguments possible due to compiler errors.
  • ⚑ Fast, you get translations using native dart method calls, zero parsing!
  • πŸ”¨ Configurable, English is not the default language? Configure it in build.yaml!

You can see an example of the generated file here.

This is how you access the translations:

final t = Translations.of(context); // there is also a static getter without context

String a = t.mainScreen.title;                         // simple use case
String b = t.game.end.highscore(score: 32.6);          // with parameters
String c = t.items(count: 2);                          // with pluralization
String d = t.greet(name: 'Tom', context: Gender.male); // with custom context
String e = t.intro.step[4];                            // with index
String f = t.error.type['WARNING'];                    // with dynamic key
String g = t['mainScreen.title'];                      // with fully dynamic key

PageData page0 = t.onboarding.pages[0];                // with interfaces
PageData page1 = t.onboarding.pages[1];
String h = page1.title; // type-safe call

Table of Contents

Getting Started

It may be easier if you checkout tutorials in your language.

Coming from ARB? There is a tool for that.

Step 1: Add dependencies

It is recommended to add fast_i18n to dev_dependencies.

dev_dependencies:
  build_runner: any
  fast_i18n: <latest version>

Step 2: Create JSON files

Create these files inside your lib directory. For example, lib/i18n.

YAML and CSV files are also supported (see File Types).

Writing translations into assets folder requires extra configuration (see FAQ).

Format:

<namespace>_<locale?>.<extension>

You can ignore the namespace for this basic example, so just use a generic name like strings or translations.

Example:

lib/
 └── i18n/
      └── strings.i18n.json
      └── strings_de.i18n.json
      └── strings_zh-CN.i18n.json <-- example for country code
// File: strings.i18n.json (mandatory, base locale)
{
  "hello": "Hello $name",
  "save": "Save",
  "login": {
    "success": "Logged in successfully",
    "fail": "Logged in failed"
  }
}
// File: strings_de.i18n.json
{
  "hello": "Hallo $name",
  "save": "Speichern",
  "login": {
    "success": "Login erfolgreich",
    "fail": "Login fehlgeschlagen"
  }
}

Step 3: Generate the dart code

flutter pub run fast_i18n

alternative (but slower):

flutter pub run build_runner build --delete-conflicting-outputs

Step 4: Initialize

a) use device locale

void main() {
  WidgetsFlutterBinding.ensureInitialized(); // add this
  LocaleSettings.useDeviceLocale(); // and this
  runApp(MyApp());
}

b) use specific locale

@override
void initState() {
  super.initState();
  String storedLocale = loadFromStorage(); // your logic here
  LocaleSettings.setLocaleRaw(storedLocale);
}

c) use dependency injection (aka "I handle it myself")

final english = AppLocale.en.build();
final german = AppLocale.de.build();

// read
String a = german.login.success;

You can ignore step 4a and 5 (but not 4b) if you handle the locale yourself.

Step 4a: Flutter locale

This is optional but recommended.

Standard flutter controls (e.g. back button's tooltip) will also pick the right locale.

# File: pubspec.yaml
dependencies:
  flutter:
    sdk: flutter
  flutter_localizations: # add this
    sdk: flutter
void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(TranslationProvider(child: MyApp())); // Wrap your app with TranslationProvider
}
MaterialApp(
  locale: TranslationProvider.of(context).flutterLocale, // use provider
  supportedLocales: LocaleSettings.supportedLocales,
  localizationsDelegates: GlobalMaterialLocalizations.delegates,
  child: YourFirstScreen(),
)

Step 4b: iOS configuration

File: ios/Runner/Info.plist

<key>CFBundleLocalizations</key>
<array>
   <string>en</string>
   <string>de</string>
</array>

Step 5: Use your translations

import 'package:my_app/i18n/strings.g.dart'; // import

String a = t.login.success; // get translation

Configuration

This is optional. This library works without any configuration (in most cases).

For customization, you can create the build.yaml file. Place it in the root directory.

targets:
  $default:
    builders:
      fast_i18n:
        options:
          base_locale: fr
          fallback_strategy: base_locale
          input_directory: lib/i18n
          input_file_pattern: .i18n.json
          output_directory: lib/i18n
          output_file_pattern: .g.dart # deprecated, use output_file_name
          output_file_name: translations.g.dart
          output_format: single_file
          locale_handling: true
          namespaces: false
          translate_var: t
          enum_name: AppLocale
          translation_class_visibility: private
          key_case: snake
          key_map_case: camel
          param_case: pascal
          string_interpolation: double_braces
          flat_map: false
          timestamp: true
          maps:
            - error.codes
            - category
            - iconNames
          pluralization:
            auto: cardinal
            cardinal:
              - someKey.apple
            ordinal:
              - someKey.place
          contexts:
            gender_context:
              enum:
                - male
                - female
              auto: false
              paths:
                - my.path.to.greet
          interfaces:
            PageData: onboarding.pages.*
            PageData2:
              paths:
                - my.path
                - cool.pages.*
              attributes:
                - String title
                - String? content
KeyTypeUsageDefault
base_localeStringlocale of default jsonen
fallback_strategynone, base_localehandle missing translations (i)none
input_directoryStringpath to input directorynull
input_file_patternStringinput file pattern, must end with .json, .yaml or .csv.i18n.json
output_directoryStringpath to output directorynull
output_file_patternStringdeprecated: output file pattern.g.dart
output_file_nameStringoutput file namenull
output_formatsingle_file, multiple_filessplit output files (i)single_file
locale_handlingBooleangenerate locale handling logic (i)true
namespacesBooleansplit input files (i)false
translate_varStringtranslate variable namet
enum_nameStringenum nameAppLocale
translation_class_visibilityprivate, publicclass visibilityprivate
key_casenull, camel, pascal, snaketransform keys (optional) (i)null
key_map_casenull, camel, pascal, snaketransform keys for maps (optional) (i)null
param_casenull, camel, pascal, snaketransform parameters (optional) (i)null
string_interpolationdart, braces, double_bracesstring interpolation mode (i)dart
flat_mapBooleangenerate flat map (i)true
timestampBooleanwrite "Built on" timestamptrue
mapsList<String>entries which should be accessed via keys (i)[]
pluralization/autooff, cardinal, ordinaldetect plurals automatically (i)cardinal
pluralization/cardinalList<String>entries which have cardinals[]
pluralization/ordinalList<String>entries which have ordinals[]
<context>/enumList<String>context forms (i)no default
<context>/autoBooleanauto detect contexttrue
<context>/pathsList<String>entries using this context[]
children of interfacesPairs of Alias:Pathalias interfaces (i)null

Main Features

➀ File Types

Supported file types: JSON (default), YAML and CSV.

To change to YAML or CSV, please modify input_file_pattern.

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          input_directory: assets/i18n
          input_file_pattern: .i18n.yaml # must end with .json, .yaml or .csv

JSON Example

{
  "welcome": {
    "title": "Welcome $name"
  }
}

YAML Example

welcome:
  title: Welcome $name # some comment

CSV Example

You may also combine multiple locales into one CSV (see Compact CSV).

# Format: <key>, <translation>

welcome.title,Welcome $name
pages.0.title,First Page
pages.1.title,Second Page

➀ String Interpolation

Translations often have a dynamic parameter. There are multiple ways to define them.

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          string_interpolation: dart # change to braces or double_braces

You can always escape them by adding a backslash, e.g. \{notAnArgument}.

dart (default)

Hello $name. I am ${height}m.

braces

Hello {name}

double_braces

Hello {{name}}

➀ Lists

Lists are fully supported. No configuration needed. You can also put lists or maps inside lists!

{
  "niceList": [
    "hello",
    "nice",
    [
      "first item in nested list",
      "second item in nested list"
    ],
    {
      "wow": "WOW!",
      "ok": "OK!"
    },
    {
      "a map entry": "access via key",
      "another entry": "access via second key"
    }
  ]
}
String a = t.niceList[1]; // "nice"
String b = t.niceList[2][0]; // "first item in nested list"
String c = t.niceList[3].ok; // "OK!"
String d = t.niceList[4]['a map entry']; // "access via key"

➀ Maps

You can access each translation via string keys by defining maps.

Define maps in your build.yaml.

Keep in mind that all nice features like autocompletion are gone.

// File: strings.i18n.json
{
  "a": {
    "hello world": "hello"
  },
  "b": {
    "b0": "hey",
    "b1": {
      "hi there": "hi"
    }
  }
}
# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          maps:
            - a
            - b.b1

Now you can access the translations via keys:

String a = t.a['hello world']; // "hello"
String b = t.b.b0; // "hey"
String c = t.b.b1['hi there']; // "hi"

➀ Dynamic Keys / Flat Map

A more general solution to Maps. ALL translations are accessible via an one-dimensional map.

It is supported out of the box. No configuration needed.

This can be disabled globally by setting flat_map: false.

String a = t['myPath.anotherPath'];
String b = t['myPath.anotherPath.3']; // with index for arrays
String c = t['myPath.anotherPath'](name: 'Tom'); // with arguments

Complex Features

➀ Linked Translations

You can link one translation to another. Add the prefix @: followed by the translation key.

{
  "fields": {
    "name": "my name is {firstName}",
    "age": "I am {age} years old"
  },
  "introduce": "Hello, @:fields.name and @:fields.age"
}
String s = t.introduce(firstName: 'Tom', age: 27); // Hello, my name is Tom and I am 27 years old.

➀ Pluralization

This library uses the concept defined here.

Some languages have support out of the box. See here.

Plurals are detected by the following keywords: zero, one, two, few, many, other.

// File: strings.i18n.json
{
  "someKey": {
    "apple": {
      "one": "I have $count apple.",
      "other": "I have $count apples."
    }
  }
}
String a = t.someKey.apple(count: 1); // I have 1 apple.
String b = t.someKey.apple(count: 2); // I have 2 apples.

The detected plurals are cardinals by default.

In general, you will probably use only this variant. Ordinals are rarely used. If your project only has cardinals, then you don't need to configure anything! It works out of the box.

However, if you have ordinals, then you will need some configurations.

// File: strings.i18n.json
{
  "someKey": {
    "apple": {
      // cardinal
      "one": "I have $count apple.",
      "other": "I have $count apples."
    },
    "place": {
      // ordinal (rarely used)
      "one": "${count}st place.",
      "two": "${count}nd place.",
      "few": "${count}rd place.",
      "other": "${count}th place."
    }
  }
}
# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          pluralization:
            auto: off
            cardinal:
              - someKey.apple
            ordinal:
              - someKey.place

In case your language is not supported, you must provide a custom pluralization resolver:

// add this before you call the pluralization strings. Otherwise an exception will be thrown.
// you don't need to specify both
LocaleSettings.setPluralResolver(
  language: 'en',
  cardinalResolver: (num n, {String? zero, String? one, String? two, String? few, String? many, String? other}) {
    if (n == 0)
      return zero ?? other!;
    if (n == 1)
      return one ?? other!;
    return other!;
  },
  ordinalResolver: (num n, {String? zero, String? one, String? two, String? few, String? many, String? other}) {
    if (n % 10 == 1 && n % 100 != 11)
      return one ?? other!;
    if (n % 10 == 2 && n % 100 != 12)
      return two ?? other!;
    if (n % 10 == 3 && n % 100 != 13)
      return few ?? other!;
    return other!;
  },
);

By default, the parameter name is count. You can change that by adding a hint.

{
  "someKey": {
    "apple(appleCount)": {
      "one": "I have one apple.",
      "other": "I have multiple apples."
    }
  }
}
String a = t.someKey.apple(appleCount: 2); // notice 'appleCount' instead of 'count'

➀ Custom Contexts

You can utilize custom contexts to differentiate between male and female forms.

// File: strings.i18n.json
{
  "greet": {
    "male": "Hello Mr $name",
    "female": "Hello Ms $name"
  }
}
# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          contexts:
            gender_context:
              enum:
                - male
                - female
            polite_context:
              enum:
                - polite
                - rude
String a = t.greet(name: 'Maria', context: GenderContext.female);

Auto detection is on by default. You can disable auto detection. This may speed up build time.

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          contexts:
            gender_context:
              enum:
                - male
                - female
              auto: false # disable auto detection
              paths: # now you must specify paths manually
                - my.path.to.greet

In contrast to pluralization, you must provide all forms. Collapse it to save space.

{
  "greet": {
    "male,female": "Hello $name"
  }
}

Similarly to plurals, the parameter name is context by default. You can change that by adding a hint.

{
  "greet(gender)": {
    "male": "Hello Mr",
    "female": "Hello Ms"
  }
}
String a = t.greet(gender: GenderContext.female); // notice 'gender' instead of 'context'

➀ Interfaces

Often, multiple objects have the same attributes. You can create a common super class for that.

{
  "onboarding": {
    "whatsNew": {
      "v2": {
        "title": "New in 2.0",
        "rows": [
          "Add sync"
        ]
      },
      "v3": {
        "title": "New in 3.0",
        "rows": [
          "New game modes",
          "And a lot more!"
        ]
      }
    }
  }
}

Here we know that all objects inside whatsNew have the same attributes. Let's name these objects ChangeData.

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          interfaces:
            ChangeData: onboarding.whatsNew.*

This would create the following mixin:

mixin ChangeData {
  String get title;
  List<String> get rows;
}

Now you can access these fields by using polymorphism:

// before: without interfaces
void myOldFunction(dynamic changes) {
  String title = changes.title; // not type safe!
  List<String> rows = changes.rows; // prone to typos
}

// after: using interfaces
void myFunction(ChangeData changes) {
  String title = changes.title;
  List<String> rows = changes.rows;
}

void main() {
  myFunction(t.onboarding.whatsNew.v2);
  myFunction(t.onboarding.whatsNew.v3);
}

You can customize the attributes and use different node selectors.

Checkout the full article.

➀ Locale Enum

Typesafety is one of the main advantages of this library. No typos. Enjoy exhausted switch-cases!

// this enum is generated automatically for you
enum AppLocale {
  en,
  fr,
  zhCn,
}
// extension methods
Locale locale = AppLocale.en.flutterLocale; // to native flutter locale
String tag = AppLocale.en.languageTag; // to string tag (e.g. en-US)
final t = AppLocale.en.translations; // get translations of one locale

➀ Dependency Injection

You don't like the included LocaleSettings solution?

Then you can use your own dependency injection solution!

Just create custom translation instances that don't depend on LocaleSettings or any other side effects.

First, set the following configuration:

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          locale_handling: false # remove unused t variable, LocaleSettings, etc.
          translation_class_visibility: public

Example using the riverpod library:

final english = AppLocale.en.build(cardinalResolver: myEnResolver);
final german = AppLocale.de.build(cardinalResolver: myDeResolver);
final translationProvider = StateProvider<StringsEn>((ref) => german); // set it

// access the current instance
final t = ref.watch(translationProvider);
String a = t.welcome.title;

Checkout the full article.

Structuring Features

➀ Namespaces

You can split the translations into multiple files. Each file represents a namespace.

This feature is disabled by default for single-file usage. You must enable it.

# File: build.yaml
targets:
  $default:
    builders:
      fast_i18n:
        options:
          namespaces: true # enable this feature
          output_directory: lib/i18n # optional
          output_file_name: translations.g.dart # set file name (mandatory)

Let's create two namespaces called widgets and dialogs.

<namespace>_<locale?>.<extension>
i18n/
 └── widgets.i18n.json
 └── widgets_fr.i18n.json
 └── dialogs.i18n.json
 └── dialogs_fr.i18n.json

You can also use different folders. Only file name matters!

i18n/
 └── widgets/
      └── widgets.i18n.json
      └── widgets_fr.i18n.json
 └── dialogs/
      └── dialogs.i18n.json
      └── dialogs_fr.i18n.json
i18n/
 └── en/
      └── widgets.i18n.json
      └── dialogs.i18n.json
 └── fr/
      └── widgets_fr.i18n.json
      └── dialogs_fr.i18n.json

Now access the translations:

// t.<namespace>.<path>
String a = t.widgets.welcomeCard.title;
String b = t.dialogs.logout.title;

➀ Output Format

By default, a single .g.dart file will be generated.

You can split this file into multiple ones to improve readability and IDE performance.

targets:
  $default:
    builders:
      fast_i18n:
        options:
          output_file_name: translations.g.dart
          output_format: multiple_files # set this

This will generate the following files:

lib/
 └── i18n/
      └── translations.g.dart <-- main file
      └── translations_en.g.dart <-- translation classes
      └── translations_de.g.dart <-- translation classes
      └── ...
      └── translations_map.g.dart <-- translations stored in flat maps

You only need to import the main file!

➀ Compact CSV

Normally, you would create a new csv file for each locale: strings.i18n.csv, strings_fr.i18n.csv, etc.

You can also merge multiple locales into one single csv file! To do this, you need at least 3 columns. The first row contains the locale names. This library should detect that, so no configuration is needed.

Comments are supported. (see Comments)

     ,locale_0 ,locale_1 , ... ,locale_n
key_0,string_00,string_01, ... ,string_0n
key_1,string_10,string_11, ... ,string_1n
...
key_m,string_m0,string_m1, ... ,string_mn

Example:

key,en,de-DE
welcome.title,Welcome $name,Willkommen $name
welcome.button,Start,Start
assets/
 └── i18n/
      └── strings.i18n.csv <-- contains all locales

Other Features

➀ Fallback

By default, you must provide all translations for all locales. Otherwise, you cannot compile it.

In case of rapid development, you can turn off this feature. Missing translations will fallback to base locale.

targets:
  $default:
    builders:
      fast_i18n:
        options:
          base_locale: en
          fallback_strategy: base_locale # add this
// English
{
  "hello": "Hello",
  "bye": "Bye"
}
// French
{
  "hello": "Salut",
  // "bye" is missing, fallback to English version
}

➀ Comments

You can add comments in your translation files.

JSON

All keys starting with @ will be ignored.

If a @key key matches an existing key, then its value will be rendered as a comment.

{
  "@@locale": "en", // fully ignored
  "mainScreen": {
    "button": "Submit",

    // ignored as translation but rendered as a comment
    "@button": "The submit button shown at the bottom",
    
    // ARB style is also possible, the description will be rendered as a comment
    "@button2": {
      "context": "HomePage",
      "description": "The submit button shown at the bottom"
    },
  }
}

YAML

Currently, not parsed and no comments will be generated.

mainScreen:
  button: Submit # The submit button shown at the bottom

CSV

Columns with parentheses like (my_column) are ignored.

Values in the first column with parentheses will be rendered as a comment.

key,(comment),en,de,(ignored comment)
mainScreen.button,The submit button shown at the bottom,Submit,BestΓ€tigen,fully ignored
mainScreen.content,,Content,Inhalt,

Generated File

/// The submit button shown at the bottom
String get button => 'Submit';

➀ Recasing

By default, no transformations will be applied.

You can change that by specifying key_case, key_map_case or param_case.

Possible cases are: camel, snake and pascal.

{
  "must_be_camel_case": "The parameter is in {snakeCase}",
  "my_map": {
    "this_should_be_in_pascal": "hi"
  }
}
targets:
  $default:
    builders:
      fast_i18n:
        options:
          key_case: camel
          key_map_case: pascal
          param_case: snake
          maps:
            - myMap # all paths must be cased accordingly
String a = t.mustBeCamelCase(snake_case: 'nice');
String b = t.myMap['ThisShouldBeInPascal'];

Tools

➀ Main Command

The main command to generate dart files from translation resources.

flutter pub run fast_i18n

➀ Migration

There are some tools to make migration from other i18n solutions easier.

General migration syntax:

flutter pub run fast_i18n:migrate <type> <source> <destination>

ARB

Transforms ARB files to compatible JSON format. All descriptions are retained.

flutter pub run fast_i18n:migrate arb source.arb destination.json

ARB Input

{
  "@@locale": "en_US",
  "@@context": "HomePage",
  "title_bar": "My Cool Home",
  "@title_bar": {
    "type": "text",
    "context": "HomePage",
    "description": "Page title."
  },
  "FOO_123": "Your pending cost is {COST}",
  "foo456": "Hello {0}",
  "pageHomeInboxCount" : "{count, plural, zero{You have no new messages} one{You have 1 new message} other{You have {count} new messages}}",
  "@pageHomeInboxCount" : {
    "placeholders": {
      "count": {}
    }
  }
}

JSON Result

{
  "@@locale": "en_US",
  "@@context": "HomePage",
  "title": {
    "bar": "My Cool Home",
    "@bar": "Page title."
  },
  "foo123": "Your pending cost is {cost}",
  "foo456": "Hello {arg0}",
  "page": {
    "home": {
      "inbox": {
        "count(count)": {
          "zero": "You have no new messages",
          "one": "You have 1 new message",
          "other": "You have {count} new messages"
        }
      }
    }
  }
}

➀ Statistics

There is a command to quickly get the number of words, characters, etc.

flutter pub run fast_i18n:stats

Example console output:

[en]
 - 9 keys (including intermediate keys)
 - 6 translations (leaves only)
 - 15 words
 - 82 characters (ex. [,.?!'ΒΏΒ‘])

➀ Auto Rebuild

You can let the library rebuild automatically for you. The watch function from build_runner is NOT maintained.

flutter pub run fast_i18n:watch

FAQ

Can I write the json files in the asset folder?

Yes. Specify input_directory and output_directory in build.yaml.

targets:
  $default:
    sources:
      - "custom-directory/**" # optional; only assets/* and lib/* are scanned by build_runner
    builders:
      fast_i18n:
        options:
          input_directory: assets/i18n
          output_directory: lib/i18n

Can I skip translations or use them from base locale?

Yes. Please set fallback_strategy: base_locale in build.yaml.

Now you can leave out translations in secondary languages. Missing translations will fallback to base locale.

Can I prevent the timestamp Built on from updating?

No, but you can disable the timestamp altogether. Set timestamp: false in build.yaml.

Why setLocale doesn't work?

In most cases, you forgot the setState call.

A more elegant solution is to use TranslationProvider(child: MyApp()) and then get your translation variable with final t = Translations.of(context). It will automatically trigger a rebuild on setLocale for all affected widgets.

My plural resolver is not specified?

An exception is thrown by _missingPluralResolver because you missed to add LocaleSettings.setPluralResolver for the specific language.

See Pluralization.

How does plural / context detection work?

You can let the library detect plurals or contexts.

For plurals, it checks if any json node has zero, one, two, few, many or other as children.

As soon as an unknown item has been detected, then this json node is not a pluralization.

{
  "fake": {
    "one": "One apple",
    "two": "Two apples",
    "three": "Three apples" // unknown key word 'three', 'fake' is not a pluralization
  }
}

For contexts, all enum values must exist.

How can I use multiple plurals in one sentence?

You may use linked translations to solve this problem.

{
  "apples(appleCount)": {
    "one": "one apple",
    "other": "{appleCount} apples"
  },
  "bananas(bananaCount)": {
    "one": "one banana",
    "other": "{bananaCount} bananas"
  },
  "sentence": "I have @:apples and @:bananas"
}
String a = t.sentence(appleCount: 1, bananaCount: 2); // two different plural parameters!

What's the difference between AppLocale.en.translations and AppLocale.en.build()?

The plural resolvers of AppLocale.<locale>.translations must be set via LocaleSettings.setPluralResolver. Therefore, calls on LocaleSettings has side effects on AppLocale.<locale>.translations.

When you call AppLocale.<locale>.build(), there are no side effects.

Furthermore, the first method returns the instance managed by this library. The second one always returns a new instance.

Further Reading

In Depth

Interfaces

Dependency Injection

Tutorials

Medium (English)

Qiita (Japanese)

Youtube (Korean)

Feel free to extend this list :)

License

MIT License

Copyright (c) 2020-2022 Tien Do Nam

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Libraries

fast_i18n