relay-compiler/lib/getModuleName.js

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *  strict
 * @format
 */
'use strict';

function getModuleName(filePath) {
  // index.js -> index
  // index.js.flow -> index.js
  var filename = require("path").basename(filePath, require("path").extname(filePath)); // index.js -> index (when extension has multiple segments)


  filename = filename.replace(/(?:\.\w+)+/, ''); // /path/to/button/index.js -> button

  var moduleName = filename === 'index' ? require("path").basename(require("path").dirname(filePath)) : filename; // Example.ios -> Example
  // Example.product.android -> Example

  moduleName = moduleName.replace(/(?:\.\w+)+/, ''); // foo-bar -> fooBar
  // Relay compatibility mode splits on _, so we can't use that here.

  moduleName = moduleName.replace(/[^a-zA-Z0-9]+(\w?)/g, function (match, next) {
    return next.toUpperCase();
  });
  return moduleName;
}

module.exports = getModuleName;