Function instantiateAddons

lib/models/instantiate-addons.js:25–95

* Create instances of a set of "child" addons for a parent addon or project. * * @method instantiateAddons * @param {Object} parent an Addon or Project that is the direct containing object of the list * of children defined in addonPackages. * @param {Project} project the project that contains

(parent, project, addonPackages)

 *   'pkg' object for that addon's package.json). These are what is turned into addons.
 */
function instantiateAddons(parent, project, addonPackages) {
  // depending on whether this is really a project or an addon, the 'name' property may be a getter.
  let parentName = typeof parent.name === 'function' ? parent.name() : parent.name;

  logger.info('instantiateAddons for: ', parentName);

  let addonNames = Object.keys(addonPackages || {});

  if (addonNames.length === 0) {
    logger.info('    no addons');
    return [];
  } else {
    logger.info('    addon names are:', addonNames);
  }

  let initializeAddonsToken = heimdall.start(`${parentName}: initializeAddons`);
  let graph = new DAGMap();
  let addonInfo, emberAddonConfig;

  addonNames.forEach((name) => {
    addonInfo = addonPackages[name];
    emberAddonConfig = addonInfo.pkg['ember-addon'];

    graph.add(name, addonInfo, emberAddonConfig.before, emberAddonConfig.after);
  });

  let addons = [];
  let timings = new Map();

  graph.each((key, value) => {
    let addonInfo = value;
    if (addonInfo) {
      let initializeAddonToken = heimdall.start({
        name: `initialize ${addonInfo.name}`,
        addonName: addonInfo.name,
        addonInitializationNode: true,
      });

      let start = Date.now();

      let pkgInfo = parent.packageInfoCache.getEntry(addonInfo.path);

      if (!pkgInfo || !pkgInfo.valid) {
        throw new SilentError(
          `The \`${addonInfo.pkg.name}\` addon could not be found at \`${addonInfo.path}\` or was otherwise invalid.`
        );
      }

      // get an instance of the addon. If that fails it will throw.
      let addon = pkgInfo.getAddonInstance(parent, project);

      timings.set(addon, Date.now() - start);

      initializeAddonToken.stop();

      addons.push(addon);
    }
  });