auth.js

/**
 * Create a client class from a JSON reference.
 *
 * Returns a Client class which can be initialized with following options:
 * options:
 * {
 *   // TaskCluster credentials, if not provided fallback to defaults from environment variables
 *   // if defaults are not explicitly set with taskcluster.config({...})
 *   // To create a client without authentication (and not using defaults) use `credentials: {}` 
 *   credentials: {
 *     clientId: '...', // ClientId
 *     accessToken: '...', // AccessToken for clientId
 *   },
 *   // Optional authorization details for delegating auth.
 *   authorization: {
 *     delegating: true || false,  // Is delegating authentication?
 *     scopes:     ['scopes', ...] // Scopes to authorize with
 *   }
 *   baseUrl:    'http://.../v1'  // baseUrl for API requests
 *   exchangePrefix:  'queue/v1/' // exchangePrefix prefix
 * }
 *
 * `baseUrl` and `exchangePrefix` defaults to values from reference.
 */