jest.config.ts

import type { Config } from 'jest';
//import { defaults } from 'jest-config'

async function jestConfig(): Promise<Config> {
  //console.log(defaults)
  return {
    bail: 1,
    verbose: true,
    // default is '.'
    rootDir: '.',
    // Must include source and test folders: default is ['<rootDir>']
    roots: ["<rootDir>"],
    // Speed up by restricting to module (source files) extensions used.
    moduleFileExtensions: ['ts', 'js'],
    // excluded source files...
    modulePathIgnorePatterns: ['out/src', 'out/test'],
    // Default is 'node'
    testEnvironment: 'node',
    // default [ '**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[tj]s?(x)' ]
    testMatch: ['**/?(*.)+(test).[tj]s'],
    // default []
    testRegex: [],
    transform: { '^.+\\.ts$': ['ts-jest', { 'rootDir': "." }] },
  }
}

export default jestConfig