shlinkio / shlink-web-client

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/facebook/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(inputPath, needsSlash) {

  const hasSlash = inputPath.endsWith('/');

  if (hasSlash && !needsSlash) {

    return inputPath.substr(0, inputPath.length - 1);

  } else if (!hasSlash && needsSlash) {

    return `${inputPath}/`;

  }

  return inputPath;

}

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 moduleFileExtensions = [

  'web.mjs',

  'mjs',

  'web.js',

  'js',

  'web.ts',

  'ts',

  'web.tsx',

  'tsx',

  'json',

  'web.jsx',

  'jsx',

];