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https://github.com/rmariuzzo/lang.js
:performing_arts: Laravel Translator class in JavaScript!
https://github.com/rmariuzzo/lang.js
i18n internationalization laravel laravel-js-localization localization
Last synced: 5 days ago
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:performing_arts: Laravel Translator class in JavaScript!
- Host: GitHub
- URL: https://github.com/rmariuzzo/lang.js
- Owner: rmariuzzo
- License: mit
- Created: 2015-07-31T21:54:41.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2022-12-08T04:20:58.000Z (almost 2 years ago)
- Last Synced: 2024-10-11T07:10:34.669Z (27 days ago)
- Topics: i18n, internationalization, laravel, laravel-js-localization, localization
- Language: JavaScript
- Homepage:
- Size: 355 KB
- Stars: 259
- Watchers: 13
- Forks: 62
- Open Issues: 18
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project
README
[](https://travis-ci.org/rmariuzzo/Lang.js)
[](https://raw.githubusercontent.com/rmariuzzo/Lang.js/master/LICENSE)
## Installation
Different installation methods:
- NPM: `npm install lang.js`
- Bower: `bower install lang.js`
- Manually: [Download latest release](https://github.com/rmariuzzo/Lang.js/releases/latest)
[](https://github.com/rmariuzzo/Lang.js/tree/next)
## Documentation
### Initialization
```js
var lang = new Lang({
messages: source,
locale: 'fr',
fallback: 'zn'
});
```
To use `Lang.js` we need to specify at least the messages sources. This can be done during instantiation as shown in the previous code or later using the [`setMessages()`](#setmessages) method.
### Messages source format
The messages source format looks like:
```js
{
"locale1.name": {
"key1": "value1",
"key2": "value2",
// ... and more key-value pairs.
},
"locale2.name": {
"key1": "value1",
"key2": "value2",
// ... and more key-value pairs.
},
// ... and more locales.
}
```
See the sample used in tests located at: `test/fixture/messages.json`.
### Methods
#### `setMessages`
Set messages source. Check [messages source format](#messages-source-format).
```js
var lang = new Lang();
lang.setMessages(source);
```
#### `getLocale`
Get the current locale, if none set, the default locale will be returned (`en`).
```js
var lang = new Lang();
lang.getLocale();
// > "en"
lang.setLocale('fr');
lang.getLocale();
// > "fr"
```
#### `setLocale`
Set the current locale.
```js
var lang = new Lang();
lang.setLocale('ht');
lang.getLocale();
// > "ht"
```
#### `getFallback`
Get the fallback locale.
```js
var lang = new Lang();
lang.getFallback();
// > undefined
lang.setFallback('de');
lang.getFallback();
// > "de"
```
#### `setFallback`
Set the fallback locale. When retrieving a message (using [`get()`](#get) or [`has()`](#has)) which is not defined in the specified locale, then it will try to find a message with the fallback locale (if set).
```js
var lang = new Lang({
messages: {
'en.greetings': {
'hi': 'Hi',
'hello': 'Hello'
},
'it.greetings': {
'hi': 'Salve'
}
}
});
lang.setLocale('it');
lang.get('greetings.hello');
// > "greetings.hello"
lang.setFallback('en');
lang.get('greetings.hello');
// > "Hello"
```
#### `has`
Indicate if a given key is defined on the messages source. Return `true` if the key is defined on the messages source, otherwise `false`. This method will try to get a message for the specified locale, if not found, then it will return a message for the fallback locale, if not found, then `false` will be returned.
```js
var lang = new Lang({
messages: {
'en.greetings': {
'hi': 'Hi'
},
'es.greetings': {
'hi': 'Hola'
}
}
});
lang.has('greetings.hi');
// > true
lang.has('greetings.hi', 'es');
// > true
lang.has('greetings.hello');
// > false
```
#### `get`
Get a translation message if found, otherwise return the given key. This method will try to get a message for the specified locale, if not found, then it will return a message for the fallback locale, if not found, then the given key will be returned.
```js
var lang = new Lang({
messages: {
'en.greetings': {
'hi': 'Hi'
},
'es.greetings': {
'hi': 'Hola'
}
}
});
lang.get('greetings.hi');
// > "Hi"
lang.get('greetings.hi', {}, 'es');
// > "Hola"
lang.get('greetings.hello');
// > "greetings.hello"
```
Get a translation file from a nested directory
```js
Lang.get('forum/thread.hello');
// > "Hello"
Lang.get('forum/thread.hello', {}, 'es');
// > "Hola"
```
#### `trans`
This method act as an alias of [`get()`](#get).
#### `choice`
Get the plural or singular form of the message specified based on an integer value.
```js
var lang = new Lang({
messages: {
'en.fruits': {
'apple': 'apple|apples'
},
'es.fruits': {
'apple': 'manzana|manzanas'
}
}
});
lang.choice('fruits.apple', 1);
// > "apple"
lang.choice('fruits.apple', 4);
// > "apples"
lang.choice('fruits.apple', 4, {}, 'es');
// > "manzanas"
```
You may even create more complex pluralization rules which specify translation strings for multiple number ranges:
```js
var lang = new Lang({
messages: {
'en.fruits': {
'apple': '{0} There are none|[1,19] There are some|[20,*] There are many'
}
}
});
lang.choice('fruits.apple', 0);
// > "There are none"
lang.choice('fruits.apple', 1);
// > "There are some"
lang.choice('fruits.apple', 3);
// > "There are some"
lang.choice('fruits.apple', 20);
// > "There are many"
lang.choice('fruits.apple', 22);
// > "There are many
```
#### `transChoice`
This method act as an alias of [`choice()`](#choice).
## Development
1. Fork this repository and clone it.
2. Create a branch from develop: `git checkout -b feature/xxxxxxx`
3. Submit a PR to be merge into develop branch.
**[Get help!](https://gitter.im/rmariuzzo/Lang.js)**
## Testing
To run the tests use the following commands:
- Single run: `npm run test`
- Run on changes: `npm run test:watch`