Everyauth OAuth 1.0a configuration metaprogramming

oauth.js

everyModule.submodule('oauth')
  .configurable({
      apiHost: 'e.g., https://api.twitter.com'
    , oauthHost: 'the host for the OAuth provider'
    , requestTokenPath: "the path on the OAuth provider's domain where we request the request token, e.g., /oauth/request_token"
    , accessTokenPath: "the path on the OAuth provider's domain where we request the access token, e.g., /oauth/access_token"
    , authorizePath: 'the path on the OAuth provider where you direct a visitor to login, e.g., /oauth/authorize'
    , sendCallbackWithAuthorize: 'whether you want oauth_callback=... as a query param send with your request to /oauth/authorize'
    , consumerKey: 'the api key provided by the OAuth provider'
    , consumerSecret: 'the api secret provided by the OAuth provider'
    , myHostname: 'e.g., http://localhost:3000 . Notice no trailing slash'
    , alwaysDetectHostname: 'does not cache myHostname once. Instead, re-detect it on every request. Good for multiple subdomain architectures'
    , redirectPath: 'Where to redirect to after a failed or successful OAuth authorization'
    , convertErr: '(DEPRECATED) a function (data) that extracts an error message from data arg, where `data` is what is returned from a failed OAuth request'
    , authCallbackDidErr: 'Define the condition for the auth module determining if the auth callback url denotes a failure. Returns true/false.'
  })
  .definit( function () {
    this.oauth = new OAuth(
        this.oauthHost() + this.requestTokenPath()
      , this.oauthHost() + this.accessTokenPath()
      , this.consumerKey()
      , this.consumerSecret()
      , '1.0', null, 'HMAC-SHA1');
  })