joystream/pioneer/packages/joy-roles/jest.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const { pathsToModuleNameMapper } = require('ts-jest/utils');
// In the following statement, replace `./tsconfig` with the path to your `tsconfig` file
// which contains the path mapping (ie the `compilerOptions.paths` option):
const { compilerOptions } = require('../../tsconfig.json');

module.exports = {
  roots: [
    '<rootDir>/src'
  ],
  preset: 'ts-jest',
  testEnvironment: 'node',
  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/../../' })
};