jest.config.js

require('jest-preset-angular/ngcc-jest-processor');
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 = {
  preset: 'jest-preset-angular',
  roots: ['src'],
  coverageDirectory: 'reports',
  setupFilesAfterEnv: ['<rootDir>/src/setup-jest.ts'],
  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/' }),
  globals: {
    'ts-jest': {
      allowSyntheticDefaultImports: true,
      tsconfig: '<rootDir>/tsconfig.spec.json',
      diagnostics: {
        ignoreCodes: ['TS151001'],
      }
    },
  },
  transformIgnorePatterns: ['node_modules/(?!.*\\.mjs$)']
};