i18next-parser.config.js

module.exports = {
  contextSeparator: "_",
  // Key separator used in your translation keys

  createOldCatalogs: false,
  // Save the \_old files

  defaultNamespace: "translation",
  // Default namespace used in your i18next config

  defaultValue: "",
  // Default value to give to empty keys
  // You may also specify a function accepting the locale, namespace, and key as arguments

  indentation: 2,
  // Indentation of the catalog files

  keepRemoved: true,
  // Keep keys from the catalog that are no longer in code

  keySeparator: false,
  // Key separator used in your translation keys
  // If you want to use plain english keys, separators such as `.` and `:` will conflict. You might want to set `keySeparator: false` and `namespaceSeparator: false`. That way, `t('Status: Loading...')` will not think that there are a namespace and three separator dots for instance.

  // see below for more details
  lexers: {
    hbs: ["HandlebarsLexer"],
    handlebars: ["HandlebarsLexer"],

    htm: ["HTMLLexer"],
    html: ["HTMLLexer"],

    mjs: ["JavascriptLexer"],
    js: ["JavascriptLexer"], // if you're writing jsx inside .js files, change this to JsxLexer
    ts: ["JavascriptLexer"],
    jsx: ["JsxLexer"],
    tsx: ["JsxLexer"],

    default: ["JavascriptLexer"],
  },

  lineEnding: "auto",
  // Control the line ending. See options at https://github.com/ryanve/eol

  locales: ["en"],
  // An array of the locales in your applications

  namespaceSeparator: false,
  // Namespace separator used in your translation keys
  // If you want to use plain english keys, separators such as `.` and `:` will conflict. You might want to set `keySeparator: false` and `namespaceSeparator: false`. That way, `t('Status: Loading...')` will not think that there are a namespace and three separator dots for instance.

  output: "src/i18n/locales/$LOCALE.json",
  // Supports $LOCALE and $NAMESPACE injection
  // Supports JSON (.json) and YAML (.yml) file formats
  // Where to write the locale files relative to process.cwd()

  pluralSeparator: "_",
  // Plural separator used in your translation keys
  // If you want to use plain english keys, separators such as `_` might conflict. You might want to set `pluralSeparator` to a different string that does not occur in your keys.

  input: undefined,
  // An array of globs that describe where to look for source files
  // relative to the location of the configuration file

  sort: true,
  // Whether or not to sort the catalog

  skipDefaultValues: false,
  // Whether to ignore default values
  // You may also specify a function accepting the locale and namespace as arguments

  useKeysAsDefaultValue: false,
  // Whether to use the keys as the default value; ex. "Hello": "Hello", "World": "World"
  // This option takes precedence over the `defaultValue` and `skipDefaultValues` options
  // You may also specify a function accepting the locale and namespace as arguments

  verbose: false,
  // Display info about the parsing including some stats

  failOnWarnings: false,
  // Exit with an exit code of 1 on warnings

  customValueTemplate: null,
  // If you wish to customize the value output the value as an object, you can set your own format.
  // ${defaultValue} is the default value you set in your translation function.
  // Any other custom property will be automatically extracted.
  //
  // Example:
  // {
  //   message: "${defaultValue}",
  //   description: "${maxLength}", // t('my-key', {maxLength: 150})
  // }
};