yhtml5-test/utils/paths.js

A test framework for front-end projects

'use strict';

const path = require('path');
const fs = require('fs');
const url = require('url');
const ownPackageJson = require('../package.json');

// 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;
  }
}

const getPublicUrl = appPackageJson =>
  envPublicUrl || require(appPackageJson).homepage;

// 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
// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
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);

// config after publish: we're in ./node_modules/yhtml5-test/utils/
module.exports = {
  appPath: resolveApp('.'),
  appSrc: resolveApp('src'),
  appPackageJson: resolveApp('package.json'),
  testsSetup: resolveApp('src/setupTests.js'),
  isBeforePublish: false

  // dotenv: resolveApp('.env'),
  // appBuild: resolveApp('build'),
  // appPublic: resolveApp('public'),
  // appHtml: resolveApp('public/index.html'),
  // appIndexJs: resolveApp('src/index.js'),
  // yarnLockFile: resolveApp('yarn.lock'),
  // appNodeModules: resolveApp('node_modules'),
  // publicUrl: getPublicUrl(resolveApp('package.json')),
  // servedPath: getServedPath(resolveApp('package.json')),
  // // These properties only exist before ejecting:
  // ownPath: resolveOwn('.'),
  // ownNodeModules: resolveOwn('node_modules'), // This is empty on npm 3
};

const reactScriptsPath = resolveApp(`node_modules/${ownPackageJson.name}`);
const reactScriptsLinked =
  fs.existsSync(reactScriptsPath) &&
  fs.lstatSync(reactScriptsPath).isSymbolicLink();

// config before publish: we're in ./packages/2dfire-test/utils/
const isBeforePublish = !reactScriptsLinked &&
  __dirname.indexOf(path.join('packages', '2dfire-test', 'utils')) !== -1

isBeforePublish && console.log('\npaths.js\n', {
  appDirectory,
  // ownPackageJson,
  reactScriptsPath,
  reactScriptsLinked,
  isBeforePublish,
  isBeforePublishPath: path.join('packages', '2dfire-test', 'utils'),
  isBeforePublishIndexOf: __dirname.indexOf(path.join('packages', 'yhtml5-test', 'utils')) !== -1,
  __dirname,
  appSrc: resolveOwn('demo/src'),
  testsSetup: resolveOwn('demo/src/setupTests.js'),
  appPath: resolveApp('.'),
})

if (isBeforePublish) {
  module.exports = {
    appPath: resolveApp('.'),
    appSrc: resolveOwn('demo/src'),
    appPackageJson: resolveOwn('package.json'),
    testsSetup: resolveOwn('demo/src/setupTests.js'),
    isBeforePublish,

    // dotenv: resolveOwn('template/.env'),
    // appBuild: resolveOwn('../../build'),
    // appPublic: resolveOwn('template/public'),
    // appHtml: resolveOwn('template/public/index.html'),
    // appIndexJs: resolveOwn('template/src/index.js'),
    // yarnLockFile: resolveOwn('template/yarn.lock'),
    // appNodeModules: resolveOwn('node_modules'),
    // publicUrl: getPublicUrl(resolveOwn('package.json')),
    // servedPath: getServedPath(resolveOwn('package.json')),
    // // These properties only exist before ejecting:
    // ownPath: resolveOwn('.'),
    // ownNodeModules: resolveOwn('node_modules'),
  };
}