electron-compile/lib/require-hook.js

Electron supporting package to compile JS and CSS in Electron applications

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _keys = require('babel-runtime/core-js/object/keys');

var _keys2 = _interopRequireDefault(_keys);

exports.default = registerRequireExtension;

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _mimeTypes = require('mime-types');

var _mimeTypes2 = _interopRequireDefault(_mimeTypes);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Initializes the node.js hook that allows us to intercept files loaded by 
 * node.js and rewrite them. This method along with {@link initializeProtocolHook} 
 * are the top-level methods that electron-compile actually uses to intercept 
 * code that Electron loads.
 *  
 * @param  {CompilerHost} compilerHost  The compiler host to use for compilation.
 */
function registerRequireExtension(compilerHost) {
  _lodash2.default.each((0, _keys2.default)(compilerHost.compilersByMimeType), function (mimeType) {
    var ext = _mimeTypes2.default.extension(mimeType);

    require.extensions['.' + ext] = function (module, filename) {
      var _compilerHost$compile = compilerHost.compileSync(filename);

      var code = _compilerHost$compile.code;

      module._compile(code, filename);
    };
  });
}
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