Medium - Dynamically matching files in Jest - using CLI regexp

jest.config.js

module.exports = {
  roots: [
    '<rootDir>/dist/',
  ],
  testEnvironment: 'node',
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest',
  },
}

package.json

{
  ...
  "scripts": {
    ...
    "build": "rm -rf dist && tsc",
    "prespec": "yarn build",
    "spec": "yarn jest \"^(.*\/)*(.*\\.)*(spec)\\.js$\" --passWithNoTests",
    "preintegration": "yarn build",
    "integration": "yarn jest \"^(.*\/)*(.*\\.)*(test)\\.js$\" --passWithNoTests",
    "pretest": "yarn build",
    "test": "yarn jest --passWithNoTests"
  }
}