Compile coffee script with source map at require time.

coffee-map-hack.js

var CoffeeScript = require('coffee-script')
// CoffeeScript.register()

function requireCoffeeScript(relativePath) {

  var path = require('path');
  var fs = require('fs');
  relativePath = path.resolve(__dirname, relativePath);
  console.log('relativePath', relativePath);
  
  var answer = CoffeeScript._compileFile(relativePath + '.coffee', { 
    sourceMap: true, sourceFiles: 'blah' });

  // write pointer to end of JS
  answer.js = answer.js + "\n//# sourceMappingURL=" + path.basename(relativePath + '.map') + "\n";

  fs.writeFile(relativePath + '.js', answer.js), function(err) {
    if (err) {
      return console.log("Could not write js", err.message);
    }    
  }

  // fs.writeFile(relativePath + '.map', answer.sourceMap.generate({
  //   sourceRoot: "../..",  
  //   generatedFile: path.basename(relativePath+'.js'),
  //   sourceFiles: ['server/controller/' + path.basename(relativePath+'.coffee')]
  // }), function(err) {
  //   if (err) {
  //     return console.log("Could not write source map:", err.message);
  //   }
  // });

  return require(relativePath + '.js');
}