emberjs/emberjs-build

'use strict';

var mergeTrees = require('broccoli-merge-trees');

var es6Package            = require('./get-es6-package');
var getVendoredPackages   = require('./get-vendored-packages');
var concatenateES6Modules = require('./concatenate-es6-modules');
var createEmberVersion    = require('./create-ember-version');
var compileEmberFeatures  = require('./compile-ember-features');

/*
  Resolves dependencies for ember-runtime and compiles / concats them to /ember-runtime.js

  Dependency graph looks like this:
  ```
    'ember-runtime': {vendorRequirements: ['rsvp'], requirements: ['container', 'ember-metal']}
  ```
*/
module.exports = function buildRuntimeTree(packages, _vendoredPackages, _options) {
  var options = _options || {};
  var vendoredPackages = _vendoredPackages || getVendoredPackages();
  es6Package(packages, 'ember-runtime');

  var runtimeTrees = [
    createEmberVersion(options.version),
    compileEmberFeatures(options.features.development),
    packages['ember-runtime'].trees.lib
  ];
  var runtimeVendorTrees = packages['ember-runtime'].vendorRequirements.map(function(req){ return vendoredPackages[req];});

  packages['ember-runtime'].requirements.forEach(function(req){
    es6Package(packages, req);
    runtimeTrees.push(packages[req].trees.lib);
    (packages[req].vendorRequirements || []).forEach(function(vreq) {
      runtimeVendorTrees.push(vendoredPackages[vreq]);
    });
  });

  var mergedRuntimeTree = mergeTrees(runtimeTrees);

  return concatenateES6Modules(mergedRuntimeTree, {
    babel: options.babel,
    enableSourceMaps: options.enableSourceMaps,
    includeLoader: true,
    moduleExportDefault: 'ember-runtime',
    vendorTrees: mergeTrees(runtimeVendorTrees),
    vendoredPackages: vendoredPackages,
    destFile: '/ember-runtime.js',
    version: options.version
  });
};