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i18next-http-backend
Advanced tools
The i18next-http-backend package is a backend layer for the i18next internationalization framework, allowing you to load translations from a remote server via HTTP(S). It is particularly useful for applications that need to fetch translations dynamically from a server, making it easier to manage and update translations without redeploying the application.
Loading Translations from a Remote Server
This feature allows you to load translation files from a remote server. The `loadPath` option specifies the URL pattern to fetch the translation files, where `{{lng}}` and `{{ns}}` are placeholders for the language and namespace, respectively.
const i18next = require('i18next');
const HttpBackend = require('i18next-http-backend');
i18next
.use(HttpBackend)
.init({
backend: {
loadPath: '/locales/{{lng}}/{{ns}}.json'
}
});
Customizing HTTP Requests
This feature allows you to customize the HTTP requests used to fetch the translation files. The `requestOptions` object can include any options that are valid for the Fetch API, such as `mode`, `credentials`, and `cache`.
const i18next = require('i18next');
const HttpBackend = require('i18next-http-backend');
i18next
.use(HttpBackend)
.init({
backend: {
loadPath: '/locales/{{lng}}/{{ns}}.json',
requestOptions: {
mode: 'cors',
credentials: 'same-origin',
cache: 'default'
}
}
});
Handling Load Errors
This feature allows you to handle errors that occur during the loading of translation files. The `request` function can be customized to handle different types of errors and provide appropriate responses.
const i18next = require('i18next');
const HttpBackend = require('i18next-http-backend');
i18next
.use(HttpBackend)
.init({
backend: {
loadPath: '/locales/{{lng}}/{{ns}}.json',
request: (options, url, payload, callback) => {
fetch(url, options)
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => callback(null, { status: '200', data }))
.catch(error => callback(error, { status: '500' }));
}
}
});
The i18next-fs-backend package is another backend layer for i18next, but it loads translations from the file system instead of a remote server. This is useful for server-side applications where translations are stored locally. Compared to i18next-http-backend, it does not support dynamic loading from a remote server.
The i18next-localstorage-backend package allows you to cache translations in the browser's local storage. This can improve performance by reducing the number of HTTP requests needed to fetch translations. However, it does not provide the same level of dynamic loading from a remote server as i18next-http-backend.
The i18next-xhr-backend package is similar to i18next-http-backend but uses XMLHttpRequest instead of the Fetch API to load translations. It provides similar functionality but may be less modern and flexible compared to i18next-http-backend, which leverages the Fetch API.
This package name is not currently in use, but was formerly occupied by another package. To avoid malicious use, npm is hanging on to the package name, but loosely, and we'll probably give it to you if you want it.
You may adopt this package by contacting support@npmjs.com and requesting the name.
FAQs
i18next-http-backend is a backend layer for i18next using in Node.js, in the browser and for Deno.
The npm package i18next-http-backend receives a total of 996,639 weekly downloads. As such, i18next-http-backend popularity was classified as popular.
We found that i18next-http-backend demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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