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
});
exports.default = registerRequireExtension;

var _mimeTypes = require('@paulcbetts/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) {
  Object.keys(compilerHost.compilersByMimeType).forEach(mimeType => {
    let ext = _mimeTypes2.default.extension(mimeType);

    require.extensions[`.${ ext }`] = (module, filename) => {
      var _compilerHost$compile = compilerHost.compileSync(filename);

      let code = _compilerHost$compile.code;

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