Files
DefinitelyTyped/types/i18n/i18n-tests.ts
2022-11-29 00:29:21 -08:00

296 lines
8.8 KiB
TypeScript

/**
* Test suite created by Maxime LUCE <https://github.com/SomaticIT>
* Updated by FindQ for version 0.8 of i18n-node
* Updated by Nirsi on version 0.15 for missing parser option.
*
* Created by using code samples from https://github.com/mashpie/i18n-node.
*/
import express = require("express");
import i18n = require("i18n");
import { I18n } from "i18n";
import { Request } from "express-serve-static-core";
const app = express();
declare const req: Express.Request & Request;
/**
* Configuration
* https://github.com/mashpie/i18n-node#configure
*/
i18n.configure({
locales: ['en', 'de'],
directory: __dirname + '/locales',
});
i18n.configure({
// setup some locales - other locales default to en silently
locales: [ 'en', 'de' ],
// fall back from Dutch to German
fallbacks: { nl: 'de' },
// you may alter a site wide default locale
defaultLocale: 'de',
// will return translation from defaultLocale in case current locale doesn't provide it
retryInDefaultLocale: false,
// sets a custom cookie name to parse locale settings from - defaults to NULL
cookie: 'yourcookiename',
// sets a custom header name to read the language preference from - accept-language header by default
header: 'accept-language',
// query parameter to switch locale (ie. /home?lang=ch) - defaults to NULL
queryParameter: 'lang',
// where to store json files - defaults to './locales' relative to modules directory
directory: './mylocales',
// control mode on directory creation - defaults to NULL which defaults to umask of process user. Setting has no effect on win.
directoryPermissions: '755',
// watch for changes in JSON files to reload locale on updates - defaults to false
autoReload: true,
// whether to write new locale information to disk - defaults to true
updateFiles: false,
// sync locale information across all files - defaults to false
syncFiles: false,
// what to use as the indentation unit - defaults to "\t"
indent: "\t",
// setting extension of json files - defaults to '.json' (you might want to set this to '.js' according to webtranslateit)
extension: '.js',
// setting prefix of json files name - default to none '' (in case you use different locale files naming scheme (webapp-en.json), rather then just en.json)
prefix: 'webapp-',
// enable object notation
objectNotation: false,
// setting of log level DEBUG - default to require('debug')('i18n:debug')
logDebugFn: (msg) => {
console.log('debug', msg);
},
// setting of log level WARN - default to require('debug')('i18n:warn')
logWarnFn: (msg) => {
console.log('warn', msg);
},
// setting of log level ERROR - default to require('debug')('i18n:error')
logErrorFn: (msg) => {
console.log('error', msg);
},
// Function to provide missing translations.
missingKeyFn: (locale, value) => {
return `Translation for "${value}" is missing for locale "${locale}"!`;
},
// object or [obj1, obj2] to bind the i18n api and current locale to - defaults to null
register: global,
// hash to specify different aliases for i18n's internal methods to apply on the request/response objects (method -> alias).
// note that this will *not* overwrite existing properties with the same name
api: {
__: 't', // now req.__ becomes req.t
__n: 'tn' // and req.__n can be called as req.tn
},
// Downcase locale when passed on queryParam; e.g. lang=en-US becomes
// en-us. When set to false, the queryParam value will be used as passed;
// e.g. lang=en-US remains en-US.
preserveLegacyCase: true,
// Static translation catalog. Setting this option overrides `locales`
staticCatalog: {
'en-US': {
no: 'No',
ok: 'Ok',
yes: 'Yes',
},
'nl-NL': {
no: 'Nee',
ok: 'Oké',
yes: 'Ja',
},
},
// use mustache with customTags (https://www.npmjs.com/package/mustache#custom-delimiters) or disable mustache entirely
mustacheConfig: {
tags: ['{{', '}}'],
disable: false,
},
// Set JSON as buildin object which is acceptable as an parser object.
parser: JSON,
});
/**
* Usage in global scope
* https://github.com/mashpie/i18n-node#example-usage-in-global-scope
*/
const greeting = i18n.__('Hello');
/**
* Usage in Express
* https://github.com/mashpie/i18n-node#example-usage-in-expressjs
*/
// Configuration
// default: using 'accept-language' header to guess language settings
app.use(i18n.init);
app.get('/de', (_req: Express.Request, res: Express.Response) => {
const greeting = res.__('Hello');
});
/**
* __()
* https://github.com/mashpie/i18n-node#__
*/
// global (this.locale == 'de')
i18n.__('Hello'); // Hallo
i18n.__('Hello %s', 'Marcus'); // Hallo Marcus
i18n.__('Hello {{name}}', { name: 'Marcus' }); // Hallo Marcus
// scoped via req object (req.locale == 'de')
req.__('Hello'); // Hallo
req.__('Hello %s', 'Marcus'); // Hallo Marcus
req.__('Hello {{name}}', { name: 'Marcus' }); // Hallo Marcus
// passing specific locale
i18n.__({ phrase: 'Hello', locale: 'fr' }); // Salut
i18n.__({ phrase: 'Hello %s', locale: 'fr' }, 'Marcus'); // Salut Marcus
i18n.__({ phrase: 'Hello {{name}}', locale: 'fr' }, { name: 'Marcus' }); // Salut Marcus
/**
* __n()
* https://github.com/mashpie/i18n-node#__n
*/
// short syntax
// global (this.locale == 'de')
i18n.__n("%s cat", 1); // 1 Katze
i18n.__n("%s cat", 3); // 3 Katzen
// scoped via req object (req.locale == 'de')
req.__n("%s cat", 1); // 1 Katze
req.__n("%s cat", 3); // 3 Katzen
// long syntax
// global (this.locale == 'de')
i18n.__n("%s cat", "%s cats", 1); // 1 Katze
i18n.__n("%s cat", "%s cats", 3); // 3 Katzen
// scoped via req object (req.locale == 'de')
req.__n("%s cat", "%s cats", 1); // 1 Katze
req.__n("%s cat", "%s cats", 3); // 3 Katzen
// passing specific locale
i18n.__n({ singular: "%s cat", plural: "%s cats", locale: "fr" }, 1); // 1 chat
i18n.__n({ singular: "%s cat", plural: "%s cats", locale: "fr" }, 3); // 3 chat
i18n.__n({ singular: "%s cat", plural: "%s cats", locale: "fr", count: 1 }); // 1 chat
i18n.__n({ singular: "%s cat", plural: "%s cats", locale: "fr", count: 3 }); // 3 chat
// mustache plurals
i18n.__n('example', 1, {me: 'marcus'}); // and a catchall rule for marcus
i18n.__n('example', 2, {me: 'marcus'}); // two to five (included) for marcus
i18n.__n('example', 5, {me: 'marcus'}); // two to five (included) for marcus
i18n.__n('example', 3, {me: 'marcus'}); // two to five (included) for marcus
i18n.__n('example', 6, {me: 'marcus'}); // and a catchall rule for marcus
/**
* __mf()
* https://github.com/mashpie/i18n-node#i18n__mf
*/
app.get('/de', (_req: Express.Request, res: i18n.Response) => {
// assume res is set to german
res.setLocale('de');
// start simple
res.__mf('Hello'); // --> Hallo
// can replace too
res.__mf('Hello {name}', { name: 'Marcus' }); // --> Hallo Marcus
// and combines with sprintf
res.__mf('Hello {name}, how was your %s?', 'test', { name: 'Marcus' }); // --> Hallo Marcus, wie war dein test?
// now check out a plural rule
res.__mf('{N, plural, one{# cat} few{# cats} many{# cats} others{# cats}}', {N: 1});
});
/**
* __l()
* https://github.com/mashpie/i18n-node#i18n__l
*/
i18n.__l('Hello'); // --> [ 'Hallo', 'Hello' ]
/**
* __h()
* https://github.com/mashpie/i18n-node#i18n__h
*/
i18n.__h('Hello'); // --> [ { de: 'Hallo' }, { en: 'Hello' } ]
/**
* setLocale()
* https://github.com/mashpie/i18n-node#setlocale
*/
i18n.setLocale('de');
i18n.setLocale(req, 'de');
req.setLocale('de');
app.get('/ar', (_req: Express.Request, res: i18n.Response) => {
i18n.setLocale(req, 'ar');
i18n.setLocale(res, 'ar');
i18n.setLocale(res.locals, 'ar');
i18n.setLocale([req, res.locals], req.params.lang);
i18n.setLocale(res, 'ar', true);
});
/**
* getLocale()
* https://github.com/mashpie/i18n-node#getlocale
*/
i18n.getLocale(); // --> de
i18n.getLocale(req); // --> de
req.getLocale(); // --> de
/**
* getLocales()
* https://github.com/mashpie/i18n-node#i18ngetlocales
*/
i18n.getLocales(); // --> ['en', 'de', 'en-GB']
i18n.addLocale('de'); // adds locale
i18n.removeLocale('de'); // removes locale
/**
* getCatalog()
* https://github.com/mashpie/i18n-node#getcatalog
*/
i18n.getCatalog(); // returns all locales
i18n.getCatalog('de'); // returns just 'de'
i18n.getCatalog(req); // returns all locales
i18n.getCatalog(req, 'de'); // returns just 'de'
req.getCatalog(); // returns all locales
req.getCatalog('de'); // returns just 'de'
const i18nInstance = new I18n(); // creates new instance of i18n
i18nInstance.configure({
locales: ['en', 'de'],
directory: __dirname + '/locales'
});
const i18nInstanceWithConstructorOptions = new I18n({
locales: ['en', 'de'],
directory: __dirname + '/locales'
});