@namics/test-suite/src/paths.js

jest test suite

'use strict';

const path = require('path');
const fs = require('fs');
const url = require('url');

// Make sure any symlinks in the project folder are resolved:
// https://github.com/facebookincubator/create-react-app/issues/637
const appDirectory = fs.realpathSync(process.cwd());
const resolveApp = (relativePath) => path.resolve(appDirectory, relativePath);

const envPublicUrl = process.env.PUBLIC_URL;

function ensureSlash(path, needsSlash) {
	const hasSlash = path.endsWith('/');
	if (hasSlash && !needsSlash) {
		return path.substr(path, path.length - 1);
	} else if (!hasSlash && needsSlash) {
		return `${path}/`;
	} else {
		return path;
	}
}

// We use `PUBLIC_URL` environment variable or "homepage" field to infer
// "public path" at which the app is served.
// Webpack needs to know it to put the right <script> hrefs into HTML even in
// single-page apps that may serve index.html for nested URLs like /todos/42.
// We can't use a relative path in HTML because we don't want to load something
function getServedPath(appPackageJson) {
	const publicUrl = getPublicUrl(appPackageJson);
	const servedUrl = envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
	return ensureSlash(servedUrl, true);
}

const resolveOwn = (relativePath) => path.resolve(__dirname, '..', relativePath);

// we're in ./node_modules/react-scripts/config/
module.exports = {
	dotenv: resolveApp('.env'),
	appPath: resolveApp('.'), // found
	appPackageJson: resolveApp('package.json'),
	appSrc: resolveApp('src'),
	testsSetup: resolveApp('src/setupTests.js'),
	ownPath: resolveOwn('.'),
};