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 { jsonc } = require('jsonc'); const { readFileSync } = require('fs'); const { compilerOptions } = jsonc.parse(readFileSync('./tsconfig.json', { encoding: 'utf8' })); module.exports = { transform: { '^.+\\.tsx?$': 'ts-jest', }, testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$', moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'], testEnvironment: './config/jest.environment.js', moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '', }), globals: { DecCst: false, }, };