i18n-json rules

[nirtamir2]

.eslintrc:

const path = require(['path'](https://nodejs.org/api/path.html));

module.exports = {
  root: true, // since this example folder is embedded into the project. just ignore this.
  extends: [
    'plugin:i18n-json/recommended'
  ],
  rules: {
    'i18n-json/valid-message-syntax': [2, {
      syntax: path.resolve('./custom-message-syntax')
    }]
  }
}

custom-message-syntax:

const validate = (message = '') => {
  if (!(message || '').trim()) {
    throw new SyntaxError('Message is Empty.');
  }
  if (typeof message !== 'string') {
    throw new TypeError('Message must be a String.');
  }
  if (
    (message.includes('{') || message.includes('}')) &&
    !/{{ ?(?:- |\w+?)(, ?)?\w+? ?}}/g.test(message)
  ) {
    throw new SyntaxError(
      'Interpolation error. See: https://www.i18next.com/misc/json-format',
    );
  }
  if (message.includes('$t(') && !/\$t\([\w]+:\w+(?:\.\w+)*\)/g.test(message)) {
    throw new SyntaxError(
      'Nesting error. See: https://www.i18next.com/misc/json-format',
    );
  }

As shown here

godaddy/eslint-plugin-i18n-json#40 (comment)

[nirtamir2]

Fixed