initial untappd implementation

lib/fixtures/untappd.js

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+/* eslint max-len: "off" */
+
+const AUTHENTICATE_URL = `https://untappd.com/oauth/authenticate?
+  scope=&
+  redirect_uri=http%3A%2F%2Flocalhost%3A3000%2Fcallback&
+  response_type=code&
+  client_id=APPID123
+`.replace(/\s+/g, '');
+
+const DANCE_CALLBACK = `?
+  code=CODE123
+`.replace(/\s+/g, '');
+
+export default [AUTHENTICATE_URL, DANCE_CALLBACK];

lib/providers/untappd.js

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+import {
+  curry,
+  has,
+  identity,
+  ifElse,
+  merge,
+  pipe,
+  pipeP,
+  prop,
+} from 'ramda';
+import {
+  authorizationUrl,
+} from '../utils/oauth2';
+import {
+  fromQueryString,
+} from '../utils/uri';
+
+const SCOPE = '';
+const AUTH = 'https://untappd.com/oauth/authenticate';
+
+const checkError = ifElse(
+  has('error'),
+  pipe(prop('error'), curry((e) => { throw new Error(e); })),
+  identity,
+);
+
+// eslint-disable-next-line import/prefer-default-export
+export const authorize = (
+  { dance },
+  { appId, callback, scope = SCOPE }) =>
+  pipeP(
+    dance,
+    fromQueryString,
+    checkError,
+    merge({ appId, callback }),
+  )(authorizationUrl(AUTH, appId, callback, scope, 'code'));
+
+export const identify = curry((request, { code }) => ({
+  credentials: {
+    code,
+  },
+}));

lib/providers/untappd.test.js

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+import assert from 'assert';
+import * as untappd from './untappd';
+import DANCE from '../fixtures/untappd';
+import * as test from '../platforms/test';
+import login from '../login';
+
+describe('Untappd', () => {
+  before(() => {
+    test.setup([], DANCE);
+  });
+
+  it('should authorize', () => {
+    const untappdTest = login(untappd, test);
+    return untappdTest({
+      appId: 'APPID123',
+    })
+    .then((response) => {
+      assert.equal(response.credentials.code, 'CODE123');
+    });
+  });
+});