index.js

/* eslint-env node */

'use strict';

const VersionChecker = require('ember-cli-version-checker');

module.exports = {
  name: require('./package').name,

  includedCommands() {
    return require('./lib/commands');
  },

  init() {
    this._super.init.apply(this, arguments);
    let versionChecker = new VersionChecker(this.project);

    const hasMagicallyProvidedQUnit = versionChecker
      .for('ember-qunit')
      .lt('5.0.0-beta.1');

    let options = {
      exclude: ['ember-mocha', 'mocha'],
    };

    // Ember-qunit < 5 provides an AMD shim for qunit but newer versions now use
    // ember-auto-import to include qunit. This means that qunit is no
    // longer available for addons (if the parent app is using ember-qunit > 5) to
    // directly import under embroider unless they are using ember-auto-import
    // themselves. This condidionally falls back to not using ember-auto-import
    // when the parent app is providing qunit because without this we would double
    // include qunit resulting in a runtime error (qunit detects if it as
    // already be added to the window object and errors if so).
    if (hasMagicallyProvidedQUnit) {
      this.options = this.options || {};
      options.exclude.push('qunit');
      this.options.autoImport = options;
    } else {
      this.options.autoImport = options;
    }
  },
};