create-pro-ts-lib/logics/flags/test-mode.js

A command-line-interface for building Typescript libraries

const path = require('path');
const {
	promptsWrapper,
	optionsToPromptsChoices,
} = require('../../utils/prompts');
const { OptionsCollection } = require('../../utils/options');
const ErrorWithCode = require('../../utils/ErrorWithCode');
const FilesManager = require('../../utils/FilesManager');

const SEPERATED_TESTS_DIR = '__tests__';
const TEST_MODE_INVALID = 'TEST_MODE_INVALID';

const getTestMode = async (testModeFlag, config) => {
	const testModes = new OptionsCollection().addAll(config.testMode);

	if (testModeFlag) {
		const name = testModeFlag.value;
		const mode = testModes.findByName(name);
		if (!mode) {
			const testModeOptions = testModes.list
				.map(opt => `"${opt.name}"`)
				.join('|');
			throw new ErrorWithCode(
				`Invalid test-mode - ${name}, expected ${testModeOptions}`,
				TEST_MODE_INVALID
			);
		}
		return mode;
	}

	const { testMode } = await promptsWrapper([
		{
			type: 'select',
			name: 'testMode',
			message: 'Pick tests location',
			choices: optionsToPromptsChoices(config.testMode),
		},
	]);

	return testMode;
};

/**
 *
 * @param {FilesManager} filesManager
 */
const separatedLogic = filesManager => {
	Object.keys(filesManager.relativeFiles)
		.filter(path => path.endsWith('.test.ts'))
		.forEach(testPath => {
			const testPathWithoutSrc = testPath.split('/').slice(1).join('/');
			filesManager.change(
				testPath,
				path.join(SEPERATED_TESTS_DIR, testPathWithoutSrc)
			);
		});

	filesManager.add('tsconfig.test.json', {
		include: [`${SEPERATED_TESTS_DIR}/**/*.test.ts`],
	});
};

/**
 *
 * @param {FilesManager} filesManager
 */
const combinedLogic = filesManager => {
	filesManager.add('tsconfig.test.json', {
		include: [`src/**/*.test.ts`],
	});

	filesManager.add('tsconfig.json', {
		exclude: [`src/**/*.test.ts`],
	});
};

module.exports = {
	combinedLogic,
	separatedLogic,
	getTestMode,
	SEPERATED_TESTS_DIR,
	TEST_MODE_INVALID,
};