json-nd/jest.config.js

json-nd is a module that provides functions to parse and stringify newline-delimited JSON (NDJSON) data.

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  moduleFileExtensions: ['ts', 'tsx', 'js'],
  testMatch: ['**/tests/**/*.test.(ts|tsx)'],
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest'
  }
};