Helper for finding handlebars templates in module or in node_modules

handlebars-helper.js

var Promise = require('bluebird');
var path = require('path');
var fs = Promise.promisifyAll(require('fs'));

const TEMPLATE_DIRECTORY = 'templates';

// The calling script/handler passes in the directory in which it
// lives by calling __dirname

var findHandlebarsDirectory = function(handlerDirectory) {
  return new Promise(function(resolve, reject) {

    var possiblePaths = [
      path.resolve(handlerDirectory, TEMPLATE_DIRECTORY),
      path.resolve(process.cwd(), 'node_modules', TEMPLATE_DIRECTORY)
    ];

    Promise.each(possiblePaths, function(path) {
      return fs.statAsync(path)
      .then(function(stats) {
        if (stats.isDirectory()) {
          console.log("Directory " + path + " exists");
          resolve(path);
        }
      })
      .catch(function(error) {
        // IGNORE
        // console.log(error.path + " does not exist");
      });
    });
  });
};

module.exports = {
  findHandlebarsDirectory: findHandlebarsDirectory
};