### Link to First Setup Help - Environment Options Source: https://www.i18next.com/overview/first-setup-help This code snippet represents a link to a section of the documentation that helps users choose the right i18n solution for their environment. It's typically used in introductory or setup guides. ```javascript self.__next_f.push([1,"71:[\"$\",\"$L95\",\"b5f53e6766dd4a82af8ffec59ac999a8\",{\"breadcrumbs\":[{\"label\":\"Jump to section\",\"icon\":[\"$\",\"$L3f\",null,{\"icon\":\"arrow-down-short-wide\",\"className\":\"size-3\"}]}],\"isExternal\":false,\"isSamePage\":true,\"openInNewTabLabel\":\"Open in new tab\",\"target\":{\"href\":\"/overview/first-setup-help#for-which-environment-are-you-looking-for-an-i-18-n-solution\",\"text\":\"First setup help\",\"subText\":\"$undefined\",\"icon\":\"$undefined\"},\"children\":[\"$\",\"$L37\",null,{\"href\":\"/overview/first-setup-help#for-which-environment-are-you-looking-for-an-i-18-n-solution\",\"insights\":{\"type\":\"link_click\",\"link\":{\"target\":{\"kind\":\"anchor\",\"anchor\":\"for-which-environment-are-you-looking-for-an-i-18-n-solution\"},\"position\":\"content\"}},\"children\":[[[\"$\",\"$1\",\"58a5dbbce2b94ff4a9721c67a7972a3f\",{\"children\":[[\"$\",\"$1\",\"0\",{\"children\":\"For which environment are you looking for an i18n solution?\"}]}]],null],\"classNames\":[\"LinkStyles\"].\n"]) ``` -------------------------------- ### Node.js Setup for i18next v2.0.0 Source: https://context7_llms This example shows how to configure i18next for a Node.js environment using the filesystem backend and sprintf postprocessor. It's a basic setup for server-side internationalization. ```javascript var i18next = require('i18next'); FilesystemBackend = require('i18next-node-fs-backend'); sprintf = require('i18next-sprintf-postprocessor'); i18next .use(FilesystemBackend) .use(sprintf) .init(options, callback); ``` -------------------------------- ### i18next Initialization and Translation Example (JavaScript) Source: https://www.i18next.com/translation-function/plurals This snippet shows the basic setup for i18next, including initialization with translation resources and a simple example of translating a key with interpolation. It highlights how to define dynamic values within translation strings. ```javascript import i18next from 'i18next'; i18next .init({ // ... other options resources: { en: { translation: { welcome: 'Welcome, {{name}}!', count: '{{count}} items' } } } }); // Example usage: const translatedWelcome = i18next.t('welcome', { name: 'User' }); const translatedCount = i18next.t('count', { count: 5 }); console.log(translatedWelcome); // Output: Welcome, User! console.log(translatedCount); // Output: 5 items ``` -------------------------------- ### Basic i18next Setup with import in JavaScript Source: https://www.i18next.com/misc/migration-guide Provides a fundamental example of setting up i18next by importing the library. This snippet illustrates the initial step required before configuring and using i18next for internationalization in a project. ```javascript import i18next from 'i18next'; ``` -------------------------------- ### Initialize i18next with Options in JavaScript Source: https://www.i18next.com/principles/fallback Provides a basic example of initializing the i18next library in JavaScript. This snippet shows the start of the `i18next.init()` call, implying that configuration options would follow to set up languages, resources, and other internationalization settings. ```javascript i18next.init({ ``` -------------------------------- ### Configure i18next with fs-backend Source: https://www.i18next.com/configuration-options This snippet demonstrates the basic setup for i18next using the 'i18next-fs-backend' for loading translation files. It initializes i18next and configures the backend. Ensure both 'i18next' and 'i18next-fs-backend' are installed. ```javascript import i18next from 'i18next'; import Backend from 'i18next-fs-backend'; // not working ``` -------------------------------- ### Basic i18next Initialization (JavaScript) Source: https://www.i18next.com/overview/getting-started A minimal example of initializing i18next without explicitly defining resources. This setup assumes that resources will be loaded via other means, such as a backend plugin or a CDN. It sets the default language to 'en' and enables debugging. ```javascript import i18next from 'i18next'; i18next.init({ lng: 'en', // if you're using a language detector, do not define the lng option debug: true, ``` -------------------------------- ### Initialize i18next with Basic Configuration (TypeScript) Source: https://www.i18next.com/overview/getting-started This snippet shows the fundamental setup for i18next. It imports the library and calls the init function with essential options like language ('en'), debug mode, and a simple translation resource for English. This is a starting point for integrating i18next into your application. ```typescript import i18next from 'i18next'; i18next.init({ lng: 'en', // if you're using a language detector, do not define the lng option debug: true, resources: { en: { translation: { "key": "hello world" } } } }, function(err, t) { // initialized and ready to go! }); ``` -------------------------------- ### Link to First Setup Help - Serverless Environments Source: https://www.i18next.com/overview/first-setup-help This code snippet represents a link to a section of the documentation that details special handling for serverless environments. It's crucial for developers deploying i18next in cloud-based, event-driven architectures. ```javascript self.__next_f.push([1,"72:[\"$\",\"$L95\",\"1259e8ea4c474d129cca90b952dbd214\",{\"breadcrumbs\":[{\"label\":\"Jump to section\",\"icon\":[\"$\",\"$L3f\",null,{\"icon\":\"arrow-down-short-wide\",\"className\":\"size-3\"}]}],\"isExternal\":false,\"isSamePage\":true,\"openInNewTabLabel\":\"Open in new tab\",\"target\":{\"href\":\"/overview/first-setup-help#special-handling-for-serverless-environments-aws-lambda-google-cloud-functions-azure-functions-etc\",\"text\":\"First setup help\",\"subText\":\"$undefined\",\"icon\":\"$undefined\"},\"children\":[\"$\",\"$L37\",null,{\"href\":\"/overview/first-setup-help#special-handling-for-serverless-environments-aws-lambda-google-cloud-functions-azure-functions-etc\",\"insights\":{\"type\":\"link_click\",\"link\":{\"target\":{\"kind\":\"anchor\",\"anchor\":\"special-handling-for-serverless-environments-aws-lambda-google-cloud-functions-azure-functions-etc\"},\"position\":\"content\"}},\"children\":[[[\"$\",\"$1\",\"f8152edaff1542a087033e88e993ee86\",{\"children\":[[\"$\",\"$1\",\"0\",{\"children\":\"Special handling for serverless environments (AWS lambda, Google Cloud Functions, A"}]}]],null],\"classNames\":[\"LinkStyles\"].\n"]) ``` -------------------------------- ### Install and Import i18next with npm/yarn Source: https://www.i18next.com/overview/getting-started This snippet shows how to install the i18next library using npm or yarn and then import it into your JavaScript project. It's a common setup for web development. ```javascript import i18next from '@i18next/i18next' // when installed via JSR: deno add jsr:@i18next/i18next ``` -------------------------------- ### Initialize i18next Backend Source: https://www.i18next.com/overview/first-setup-help This snippet demonstrates the initialization of the i18next backend. It specifies the backend module to be used and sets up basic configuration options. This is a foundational step for integrating i18next with backend services. ```javascript const backend = new Backend( { // options } ); ``` -------------------------------- ### Initialize i18next with LLM Backend Source: https://www.i18next.com/overview/first-setup-help This snippet shows how to initialize the i18next library and configure it to use a specific backend, likely for LLM-related internationalization tasks. It demonstrates the basic setup required before using translation functionalities. ```javascript self.__next_f.push([1, "a3:[\"$\",\"span\",\"10\",{\"className\":\"highlight-line\",\"style\":\"$undefined\",\"children\":[false,[\"$\",\"span\",null,{\"className\":\"highlight-line-content\",\"children\":[[[\"$\",\"span\",\"0\",{\"style\":{\"color\":\"light-dark(rgb(var(--tint-12)), rgb(var(--tint-12)))\",\"--shiki-light\":\"rgb(var(--tint-12))\",\"--shiki-dark\":\"rgb(var(--tint-12))\"},\"children\":\" \"}],[\"$\",\"span\",\"1\",{\"style\":{\"color\":\"light-dark(rgb(var(--tint-11)), rgb(var(--tint-12)))\",\"--shiki-light\":\"rgb(var(--tint-11))\",\"--shiki-dark\":\"rgb(var(--tint-12))\"},\"children\":\".\"}],[\"$\",\"span\",\"2\",{\"style\":{\"color\":\"light-dark(rgb(var(--primary-10)), rgb(var(--primary-11)))\",\"--shiki-light\":\"rgb(var(--primary-10))\",\"--shiki-dark\":\"rgb(var(--primary-11))\"},\"children\":\"use\"}],[\"$\",\"span\",\"3\",{\"style\":{\"color\":\"light-dark(rgb(var(--tint-12)), rgb(var(--tint-12)))\",\"--shiki-light\":\"rgb(var(--tint-12))\",\"--shiki-dark\":\"rgb(var(--tint-12))\"},\"children\":\"(backend)\"}],\"\\n\" ]}]}]\n"],"a4:[\"$\",\"span\",\"11\",{\"className\":\"highlight-line\",\"style\":\"$undefined\",\"children\":[false,[\"$\",\"span\",null,{\"className\":\"highlight-line-content\",\"children\":[[[\"$\",\"span\",\"0\",{\"style\":{\"color\":\"light-dark(rgb(var(--tint-11)), rgb(var(--tint-12)))\",\"--shiki-light\":\"rgb(var(--tint-11)) ``` -------------------------------- ### Get i18next Directionality Source: https://www.i18next.com/api Demonstrates how to get the text directionality (LTR or RTL) for a given language using i18next.dir(). It shows examples for default direction and specific languages like 'en-US' and 'ar'. ```javascript i18next.dir(); // for default language i18next.dir('en-US'); // -> "ltr" i18next.dir('ar'); // -> "rtl" ``` -------------------------------- ### TypeScript: Interval Plurals with i18next-intervalplural-postprocessor Source: https://context7_llms Provides an example of implementing interval plurals in TypeScript using the 'i18next-intervalplural-postprocessor'. It demonstrates the setup and usage of range-based translations. ```typescript import i18next from 'i18next'; import intervalPlural from 'i18next-intervalplural-postprocessor'; i18next .use(intervalPlural) .init(i18nextOptions); i18next.t($ => $.key1_interval, {postProcess: 'interval', count: 1}); // -> "one item" i18next.t($ => $.key1_interval, {postProcess: 'interval', count: 4}); // -> "a few items" i18next.t($ => $.key1_interval, {postProcess: 'interval', count: 100}); // -> "a lot of items" // not matching into a range it will fallback to // the regular plural form i18next.t($ => $.key2_interval, {postProcess: 'interval', count: 1}); // -> "one item" i18next.t($ => $.key2_interval, {postProcess: 'interval', count: 4}); // -> "a few items" i18next.t($ => $.key2_interval, {postProcess: 'interval', count: 100}); // -> "100 items" ``` -------------------------------- ### Tagged Template Literal Translation Source: https://www.i18next.com/overview/typescript Example of using tagged template literals for translation keys, a feature often supported by i18next plugins or custom setups. ```typescript t`key1.key2`; ``` -------------------------------- ### Initialize i18next with Plugins (JavaScript) Source: https://context7_llms Demonstrates initializing i18next with common plugins like http-backend, language-detector, and sprintf post-processor. This setup allows for loading translations remotely, detecting user language, and formatting strings. ```javascript import i18next from 'i18next'; import Backend from 'i18next-http-backend'; import LanguageDetector from 'i18next-browser-languagedetector'; import sprintf from 'i18next-sprintf-postprocessor'; i18next .use(Backend) // or any other backend implementation .use(LanguageDetector) // or any other implementation .use(sprintf) // or any other post processor .init(options); ``` -------------------------------- ### Import i18next and Backend for LLM Integration Source: https://www.i18next.com/overview/first-setup-help This snippet shows the necessary imports for using i18next and its file system backend, which is often used in LLM projects for managing translations. ```javascript import i18next from 'i18next'; import Backend from 'i18next-fs-backend'; ``` -------------------------------- ### Get Fixed Translations with i18next (TypeScript) Source: https://www.i18next.com/api This TypeScript example demonstrates using i18next.getFixedT() to obtain a scoped translation function. It simplifies translation calls by pre-setting the namespace. ```typescript const t = i18next.getFixedT(null, null, 'user.accountSettings.changePassword') const title = t($ =\u003e $.title); // same as i18next.t($ =\u003e $.user.accountSettings.changePassword.title); ``` -------------------------------- ### Configure i18next with Options Source: https://www.i18next.com/overview/first-setup-help This snippet demonstrates how to initialize i18next with custom options, including language resources. It's a common pattern for setting up internationalization in applications. ```javascript i18next.init({ resources: { en, de } }); ``` -------------------------------- ### Basic i18next Initialization in JavaScript Source: https://www.i18next.com/translation-function/nesting A fundamental JavaScript example of initializing the i18next library. This snippet covers the basic setup for i18next, including setting up interpolation options. ```javascript i18next.init({ interpolation: { ... } }); i18next.t('key', { ``` -------------------------------- ### i18next Custom Formatter Example Source: https://www.i18next.com/translation-function/formatting This JavaScript code demonstrates how to define a custom formatter object for i18next. It includes an `init` function for setup and a `format` function for custom value formatting. ```javascript const myFormatter = { type: 'formatter', init(services, backendOptions, i18nextOptions) {}, // of you need some init stuff to be done... format(value, format, lng, options) { ``` -------------------------------- ### Initialize i18next with Multiple Namespaces Source: https://context7_llms Demonstrates how to initialize i18next with multiple namespaces, allowing you to organize translations into separate files. This example shows the initialization configuration and the structure of JSON files for different namespaces. ```javascript i18next.init({ ns: ['common', 'moduleA'], defaultNS: 'moduleA' }); ``` -------------------------------- ### Initialize i18next with Options Source: https://www.i18next.com/overview/configuration-options Demonstrates the basic initialization of the i18next library with specified options and a callback function. This is a fundamental step for internationalization in applications using i18next. ```javascript i18next.init(options, callback) ``` -------------------------------- ### External Link to i18next React Documentation Source: https://www.i18next.com/api Shows a JavaScript code snippet for creating an external link to the official react-i18next documentation. This is commonly used to provide users with access to more in-depth guides and examples. ```javascript /* External link to https://react.i18next.com/ */ // ... (rendering logic for the link) ... ``` -------------------------------- ### i18next Initialization with Custom Backend Plugin (JavaScript) Source: https://context7_llms Example of initializing i18next with a custom backend plugin (`my-custom-backend`) and `react-i18next`. It shows how to pass custom options to the backend configuration. ```javascript import i18n from "i18next"; import { initReactI18next } from "react-i18next"; import i18nBackend from "my-custom-backend"; i18n .use(i18nBackend) .use(initReactI18next) .init({ backend: { // custom options }, // other options }); ``` -------------------------------- ### i18next Fallback Path Example (JSON) Source: https://www.i18next.com/principles/fallback This JSON snippet illustrates a configuration where a path can serve as a fallback. It's part of a larger i18next setup, likely defining how translations are loaded or managed in an LLM context. ```json { "No one says a path can not be the fallback.": "Niemand sagt, dass ein Pfad nicht der Fallback sein kann." } ``` -------------------------------- ### Initialize i18next with FilesystemBackend and Sprintf Postprocessor (JavaScript) Source: https://www.i18next.com/misc/migration-guide This snippet shows how to initialize the i18next library. It uses the FilesystemBackend for loading translations and the sprintf postprocessor for handling placeholders. The initialization requires an options object and a callback function. ```javascript var express = require('express'); i18next = require('i18next'); FilesystemBackend = require('i18next-node-fs-backend'); sprintf = require('i18next-sprintf-postprocessor'); i18nextMiddleware = require('i18next-express-middleware'); i18next .use(FilesystemBackend) .use(sprintf) .init(options, callback); ``` -------------------------------- ### i18next: Example of Overriding i18next Instance Source: https://react.i18next.com/latest/usetranslation-hook Illustrates how to override the default i18next instance. This allows for more control over the i18next configuration, especially in complex applications where multiple instances or custom setups are required. ```javascript import i18next from 'i18next'; const customInstance = i18next.createInstance(); customInstance.init({ // custom configuration }); ``` -------------------------------- ### i18next Initialization with Custom Options Source: https://www.i18next.com/overview/typescript Demonstrates initializing i18next with custom configuration options, such as setting `returnNull` to false. ```javascript i18next.init({ returnNull: false, // ... }); ``` -------------------------------- ### i18next Translation with LLM Placeholder (JavaScript) Source: https://www.i18next.com/interpolation This example demonstrates how i18next can be used with placeholders that might be resolved by an LLM. It shows a translation string with a placeholder and how to interpolate it. This setup is foundational for dynamic translations where LLMs can fill in context-specific values. ```javascript import i18next from 'i18next'; i18next .init({ lng: 'en', resources: { en: { translation: { 'greeting': 'Hello, {{name}}!' } } } }) .then(t => { console.log(t('greeting', { name: 'World' })); // Output: Hello, World! }); ``` -------------------------------- ### Initialize i18next with Options and Callback Source: https://www.i18next.com/overview/api Demonstrates the basic initialization of an i18next instance using the `init` function with provided options and a callback function. The callback is executed after translations are loaded or upon an error, and the `init` function returns a Promise. ```javascript i18next.init(options, callback) // - returns a Promise ``` -------------------------------- ### Initialize i18next with Backend, Cache, and PostProcessor (JavaScript) Source: https://www.i18next.com/overview/api This snippet demonstrates the initialization of the i18next library. It includes setting up the HTTP backend for translations, local storage for caching, and a sprintf postprocessor for handling formatted strings. It also integrates a language detector for automatic language selection. ```javascript import i18next from 'i18next'; import Backend from 'i18next-http-backend'; import Cache from 'i18next-localstorage-cache'; import postProcessor from 'i18next-sprintf-postprocessor'; import LanguageDetector from 'i18next-browser-languagedetector'; ``` -------------------------------- ### Load Plugins for i18next (JavaScript) Source: https://context7_llms Demonstrates how to load additional plugins into an i18next instance using the `use` function. This example shows the integration of backend, cache, language detection, and post-processing plugins. ```javascript import i18next from 'i18next'; import Backend from 'i18next-http-backend'; import Cache from 'i18next-localstorage-cache'; import postProcessor from 'i18next-sprintf-postprocessor'; import LanguageDetector from 'i18next-browser-languagedetector'; i18next .use(Backend) .use(Cache) .use(LanguageDetector) .use(postProcessor) .init(options, callback); ``` -------------------------------- ### React: Basic Import Statement Source: https://react.i18next.com/latest/withtranslation-hoc A fundamental import statement in JavaScript, this example shows how to import the 'React' library. This is a common starting point for any React application, enabling the use of JSX and React's core functionalities. ```javascript import React from 'react'; ``` -------------------------------- ### Initialize i18next with Options and Callback Source: https://www.i18next.com/api Demonstrates the basic initialization of i18next using the `init` function with options and a callback. The callback is invoked upon successful loading of translations or with an error if a backend is used. This function returns a Promise. ```javascript i18next.init(options, callback) // -> returns a Promise ``` -------------------------------- ### Configure i18next with ChainedBackend (JavaScript) Source: https://www.i18next.com/how-to/caching This snippet shows how to initialize i18next with ChainedBackend, specifying fallback language and backend configurations. It includes HttpBackend and FsBackend as part of the chained backend setup. Ensure i18next, i18next-chained-backend, i18next-http-backend, and i18next-fs-backend are installed. ```javascript import ChainedBackend from 'i18next-chained-backend'; import HttpBackend from 'i18next-http-backend'; import FsBackend from 'i18next-fs-backend'; i18next .use(ChainedBackend) .init({ fallbackLng: 'en', // ... your i18next config backend: { backends: [ FsBackend, HttpBackend ], backendOptions: [{ ``` -------------------------------- ### Get Fixed Translation in TypeScript with i18next Source: https://www.i18next.com/overview/api Illustrates how to obtain a fixed translation function in TypeScript using i18next. This example highlights the correct way to pass namespace options to the `getFixedT` function to ensure that translations are resolved as expected, particularly when dealing with prefixed keys. ```typescript const t = i18next.getFixedT(null, null, 'user.accountSettings.changePassword'); const title = t($ => $.title, { ns: 'ns' }); // this won't work const title = t($ => $.title, { ns: 'ns', keyPrefix: '' }); // this will work ``` -------------------------------- ### i18next LLM Initialization with Async/Await (JavaScript) Source: https://www.i18next.com/overview/getting-started Demonstrates initializing i18next for LLM integration using the async/await syntax. This provides the most readable and synchronous-looking way to handle asynchronous operations, making the code easier to follow and debug. Error handling is managed with try...catch blocks. ```javascript async function initializeI18next() { try { await i18next.init({ // LLM specific options // ... }); console.log('i18next initialized successfully with async/await!'); // Use the translation function 't' (available globally or via i18next.t) const t = i18next.t; } catch (err) { console.error('Error initializing i18next:', err); } } initializeI18next(); ``` -------------------------------- ### Initialize i18next with Backend Plugin (Deferred Initialization) Source: https://www.i18next.com/configuration-options This example demonstrates initializing i18next with the Backend plugin and setting `initImmediate` to `false`. This explicitly defers the initialization process, ensuring that translation calls made immediately after `init()` will not return values until the initialization and resource loading are complete. ```javascript i18next .use(Backend) .init({ initImmediate: false }); ``` -------------------------------- ### Initialize i18next with async/await (JavaScript) Source: https://www.i18next.com/overview/getting-started An example of initializing i18next using async/await in JavaScript. This modern syntax simplifies asynchronous operations, making the code easier to follow. ```javascript async function loadTranslations() { await i18next.init({ lng: 'en', debug: true, resources: { en: { translation: { "welcome": "Welcome to i18next" } } } }); document.getElementById('output').innerHTML = i18next.t('welcome'); } loadTranslations(); ``` -------------------------------- ### i18next Interpolation Configuration Examples Source: https://www.i18next.com/translation-function/interpolation Provides examples of how to configure i18next interpolation settings. It includes options for setting custom prefixes and suffixes for interpolation, with examples for both JavaScript and TypeScript. ```javascript { interpolation: { prefix: '{{', suffix: '}}' } } ``` ```typescript { interpolation: { prefix: '{{', suffix: '}}' } } ``` -------------------------------- ### Initialize i18next with Namespaces (JavaScript) Source: https://context7_llms Initializes i18next with multiple namespaces and sets a default namespace. Demonstrates how to access keys from different namespaces and load additional namespaces after initialization. ```javascript i18next.init({ ns: ['common', 'moduleA', 'moduleB'], defaultNS: 'moduleA' }, (err, t) => { i18next.t('myKey'); // key in moduleA namespace (defined default) i18next.t('common:myKey'); // key in common namespace (not recommended with ns prefix when used in combination with natural language keys) // better use the ns option: i18next.t('myKey', { ns: 'common' }); }); // load additional namespaces after initialization i18next.loadNamespaces('anotherNamespace', (err, t) => { /* ... */ }); ``` -------------------------------- ### Install intl-pluralrules for i18next Source: https://www.i18next.com/how-to/faq This snippet shows how to install the 'intl-pluralrules' package, which is necessary for i18next to handle pluralization correctly in different languages. It's a direct npm installation command. ```bash npm install intl-pluralrules ```