docs: Add UnsupportedResponseTypeError

Author: maxtruxa

docs/api/errors/index.rst

@@ -32,4 +32,5 @@ Noteable error types:
    unauthorized-client-error
    unauthorized-request-error
    unsupported-grant-type-error
+   unsupported-response-type-error
 

docs/api/errors/unsupported-response-type-error.rst

@@ -0,0 +1,82 @@
+==============================
+ UnsupportedResponseTypeError
+==============================
+
+The authorization server does not supported obtaining an authorization code using this method. See :rfc:`Section 4.1.2.1 of RFC 6749 <6749#section-4.1.2.1>`.
+
+::
+
+  const UnsupportedResponseTypeError = require('oauth2-server/lib/errors/unsupported-response-type-error');
+
+--------
+
+.. _UnsupportedResponseTypeError#constructor:
+
+``new UnsupportedResponseTypeError(message, properties)``
+=========================================================
+
+Instantiates an ``UnsupportedResponseTypeError``.
+
+**Arguments:**
+
++-----------------------------------------------+--------------+-------------------------------------------------------------+
+| Name                                          | Type         | Description                                                 |
++===============================================+==============+=============================================================+
+| [message=undefined]                           | String|Error | See :ref:`OAuthError#constructor`.                          |
++-----------------------------------------------+--------------+-------------------------------------------------------------+
+| [properties={}]                               | Object       | See :ref:`OAuthError#constructor`.                          |
++-----------------------------------------------+--------------+-------------------------------------------------------------+
+| [properties.code=400]                         | Object       | See :ref:`OAuthError#constructor`.                          |
++-----------------------------------------------+--------------+-------------------------------------------------------------+
+| [properties.name='unsupported_response_type'] | String       | The error name used in responses generated from this error. |
++-----------------------------------------------+--------------+-------------------------------------------------------------+
+
+**Return value:**
+
+A new instance of ``UnsupportedResponseTypeError``.
+
+**Remarks:**
+
+::
+
+  const err = new UnsupportedResponseTypeError();
+  // err.message === 'Bad Request'
+  // err.code === 400
+  // err.name === 'unsupported_response_type'
+
+--------
+
+.. _UnsupportedResponseTypeError#message:
+
+``message``
+===========
+
+See :ref:`OAuthError#message <OAuthError#message>`.
+
+--------
+
+.. _UnsupportedResponseTypeError#code:
+
+``code``
+========
+
+Typically ``400``. See :ref:`OAuthError#code <OAuthError#code>`.
+
+--------
+
+.. _UnsupportedResponseTypeError#inner:
+
+``inner``
+=========
+
+See :ref:`OAuthError#inner <OAuthError#inner>`.
+
+--------
+
+.. _UnsupportedResponseTypeError#name:
+
+``name``
+========
+
+Typically ``'unsupported_response_type'``. See :ref:`OAuthError#name <OAuthError#name>`.
+