@nrwl/jest/src/utils/config/find-root-jest-files.js

The Nx Plugin for Jest contains executors and generators allowing your workspace to use the powerful Jest testing capabilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.findRootJestPreset = exports.findRootJestConfig = void 0;
function findRootJestConfig(tree) {
    if (tree.exists('jest.config.js')) {
        return 'jest.config.js';
    }
    if (tree.exists('jest.config.ts')) {
        return 'jest.config.ts';
    }
    return null;
}
exports.findRootJestConfig = findRootJestConfig;
function findRootJestPreset(tree) {
    if (tree.exists('jest.preset.js')) {
        return 'jest.preset.js';
    }
    return null;
}
exports.findRootJestPreset = findRootJestPreset;
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