@nx/angular/src/generators/utils/add-jest.js

The Nx Plugin for Angular contains executors, generators, and utilities for managing Angular applications and libraries within an Nx workspace. It provides: - Integration with libraries such as Storybook, Jest, ESLint, Tailwind CSS, Playwright and Cypre

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.addJest = addJest;
const devkit_1 = require("@nx/devkit");
const versions_1 = require("../../utils/versions");
const version_utils_1 = require("./version-utils");
async function addJest(tree, options) {
    if (!options.skipPackageJson) {
        process.env.npm_config_legacy_peer_deps ??= 'true';
        const pkgVersions = (0, version_utils_1.versions)(tree);
        (0, devkit_1.addDependenciesToPackageJson)(tree, {
            // TODO(leo): jest-preset-angular still needs this until https://github.com/thymikee/jest-preset-angular/pull/3079 is merged
            '@angular/platform-browser-dynamic': pkgVersions.angularVersion,
        }, { 'jest-preset-angular': pkgVersions.jestPresetAngularVersion }, undefined, true);
    }
    const { configurationGenerator } = (0, devkit_1.ensurePackage)('@nx/jest', versions_1.nxVersion);
    await configurationGenerator(tree, {
        project: options.name,
        setupFile: 'angular',
        supportTsx: false,
        skipSerializers: false,
        skipPackageJson: options.skipPackageJson,
        skipFormat: true,
        addPlugin: options.addPlugin ?? false,
        addExplicitTargets: !options.addPlugin,
    });
    const setupFile = (0, devkit_1.joinPathFragments)(options.projectRoot, 'src', 'test-setup.ts');
    if (options.strict && tree.exists(setupFile)) {
        const contents = tree.read(setupFile, 'utf-8');
        tree.write(setupFile, contents.replace('setupZoneTestEnv();', `setupZoneTestEnv({
  errorOnUnknownElements: true,
  errorOnUnknownProperties: true
});`));
    }
}