Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | 24x 24x 24x 24x 24x 24x 9x 3x 3x 24x 90x 90x 90x 4x 4x 4x 4x 9x 9x 2x 4x | import i18next, { InitOptions } from 'i18next';
import merge from 'lodash.merge';
import { Config } from '../config';
import { IDictionary } from '../utils';
import { Messages } from './messages';
/**
* Class to manipulate the i18next library
*/
export class I18n {
private static listeners: ((...args: any) => any)[] = [];
/**
* Register listener
* @param handler
*/
public static registerChangeListener(handler: (...args: any) => any) {
I18n.listeners.push(handler);
}
/**
* Remove a listener
* @param handler
*/
public static unregisterChangeListener(handler: (...args: any) => any) {
const index = I18n.listeners.indexOf(handler);
I18n.listeners.splice(index, 1);
}
/**
* i18next instance
*/
public static instance = i18next;
/**
* Initiates i18next
* @param options
*/
public static init(options?: InitOptions) {
const defaultOptions: InitOptions = {
lng: window.navigator.language,
fallbackLng: Config.language,
resources: Messages.get(),
keySeparator: '::',
nsSeparator: ':::',
};
const i18nOptions = merge(defaultOptions, options);
i18next.init(i18nOptions);
}
/**
* Change the i18next language
* @param lang
*/
public static changeLanguage(lang: string) {
i18next.changeLanguage(lang);
try {
document.documentElement.setAttribute('lang', lang);
} catch {
// do nothing
}
for (const listener of I18n.listeners) {
try {
listener();
} catch {
I18n.unregisterChangeListener(listener);
}
}
}
/**
* Translate any message passing the key as a parameter.
* @param message
* @param variables
* @returns
*/
public static translate(message: string | string[], variables: IDictionary<any> = {}) {
return i18next.t(message, variables);
}
}
|