Function callback

tests/unit/broccoli/default-packager/external-test.js:41–49

(tree, options)

    customTransformsMap.set('amd', {
      files: ['vendor/auth0-js.js', 'vendor/auth0-lock.js', 'vendor/auth0-lock-passwordless.js'],
      callback(tree, options) {
        const stew = require('broccoli-stew');

        return stew.map(tree, (content, relativePath) => {
          const name = options[relativePath].as;

          return `${name} was transformed`;
        });
      },
      processOptions() {},
      options: {
        'vendor/auth0-js.js': {