From 5a84fb0a4499c720104e9809ea12431ca92abf56 Mon Sep 17 00:00:00 2001
From: Jeff Knaggs <jeef3@users.noreply.github.com>
Date: Sun, 10 Apr 2016 01:38:56 +1200
Subject: [PATCH] Implement linkTo functionality (#86)

* Write some tests for linkTo

* Implement linkTo functionality
---
 dist/client/client_api.js          | 28 ++++++++++++++++
 dist/client/index.js               |  3 +-
 src/client/__tests__/client_api.js | 53 ++++++++++++++++++++++++++++++
 src/client/client_api.js           | 24 ++++++++++++++
 src/client/index.js                |  1 +
 5 files changed, 108 insertions(+), 1 deletion(-)

diff --git a/dist/client/client_api.js b/dist/client/client_api.js
index 1b68253a1fae..2ac2f6721ced 100644
--- a/dist/client/client_api.js
+++ b/dist/client/client_api.js
@@ -73,6 +73,34 @@ var ClientApi = function () {
         syncedStore.setData({ actions: actions });
       };
     }
+  }, {
+    key: "linkTo",
+    value: function linkTo(kind, story) {
+      var syncedStore = this._syncedStore;
+
+      return function () {
+        var resolvedKind = typeof kind === "function" ? kind.apply(undefined, arguments) : kind;
+
+        var resolvedStory = void 0;
+        if (story) {
+          resolvedStory = typeof story === "function" ? story.apply(undefined, arguments) : story;
+        } else {
+          var _syncedStore$getData2 = syncedStore.getData();
+
+          var storyStore = _syncedStore$getData2.storyStore;
+
+
+          resolvedStory = storyStore.find(function (item) {
+            return item.kind === kind;
+          }).stories[0];
+        }
+
+        syncedStore.setData({
+          selectedKind: resolvedKind,
+          selectedStory: resolvedStory
+        });
+      };
+    }
   }]);
   return ClientApi;
 }();
diff --git a/dist/client/index.js b/dist/client/index.js
index 7a22a82e6cce..b5e5d4da36a0 100644
--- a/dist/client/index.js
+++ b/dist/client/index.js
@@ -3,7 +3,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.configure = exports.action = exports.storiesOf = undefined;
+exports.configure = exports.linkTo = exports.action = exports.storiesOf = undefined;
 exports.getStoryStore = getStoryStore;
 exports.getSyncedStore = getSyncedStore;
 
@@ -41,4 +41,5 @@ function getSyncedStore() {
 
 var storiesOf = exports.storiesOf = clientApi.storiesOf.bind(clientApi);
 var action = exports.action = clientApi.action.bind(clientApi);
+var linkTo = exports.linkTo = clientApi.linkTo.bind(clientApi);
 var configure = exports.configure = configApi.configure.bind(configApi);
\ No newline at end of file
diff --git a/src/client/__tests__/client_api.js b/src/client/__tests__/client_api.js
index d95087bd71da..1be24e6e03b4 100644
--- a/src/client/__tests__/client_api.js
+++ b/src/client/__tests__/client_api.js
@@ -136,4 +136,57 @@ describe('client.ClientApi', () => {
       ]);
     });
   });
+
+  describe('linkTo', () => {
+    it('should send kind to the syncedStore', () => {
+      const api = getClientApi();
+      api._syncedStore.getData = () => ({
+        storyStore: [{ kind: 'Another Kind', stories: [] }],
+        selectedKind: 'Some Kind',
+      });
+      api._syncedStore.setData = sinon.stub();
+
+      const cb = api.linkTo('Another Kind');
+      cb();
+
+      const args = api._syncedStore.setData.args[0];
+      expect(args[0].selectedKind).to.equal('Another Kind');
+    });
+
+    it('should send story to the syncedStore', () => {
+      const api = getClientApi();
+      api._syncedStore.getData = () => ({
+        storyStore: [{ kind: 'Another Kind', stories: [] }],
+        selectedKind: 'Some Kind',
+        selectedStory: 'Some Story',
+      });
+      api._syncedStore.setData = sinon.stub();
+
+      const cb = api.linkTo('Another Kind', 'Another Story');
+      cb();
+
+      const args = api._syncedStore.setData.args[0];
+      expect(args[0].selectedKind).to.equal('Another Kind');
+      expect(args[0].selectedStory).to.equal('Another Story');
+    });
+
+    it('should allow functions for story and kind', () => {
+      const api = getClientApi();
+      api._syncedStore.getData = () => ({
+        storyStore: [{ kind: 'Another Kind', stories: [] }],
+        selectedKind: 'Some Kind',
+        selectedStory: 'Some Story',
+      });
+      api._syncedStore.setData = sinon.stub();
+
+      const cb = api.linkTo(
+        () => 'Another Kind',
+        () => 'Another Story');
+      cb();
+
+      const args = api._syncedStore.setData.args[0];
+      expect(args[0].selectedKind).to.equal('Another Kind');
+      expect(args[0].selectedStory).to.equal('Another Story');
+    });
+  });
 });
diff --git a/src/client/client_api.js b/src/client/client_api.js
index 1ecf0f86f816..bb3670c5b5a5 100644
--- a/src/client/client_api.js
+++ b/src/client/client_api.js
@@ -39,4 +39,28 @@ export default class ClientApi {
       syncedStore.setData({ actions });
     };
   }
+
+  linkTo(kind, story) {
+    const syncedStore = this._syncedStore;
+
+    return function (...args) {
+      const resolvedKind = typeof kind === 'function' ? kind(...args) : kind;
+
+      let resolvedStory;
+      if (story) {
+        resolvedStory = typeof story === 'function' ? story(...args) : story;
+      } else {
+        const { storyStore } = syncedStore.getData();
+
+        resolvedStory = storyStore
+          .find(item => item.kind === kind)
+          .stories[0];
+      }
+
+      syncedStore.setData({
+        selectedKind: resolvedKind,
+        selectedStory: resolvedStory,
+      });
+    };
+  }
 }
diff --git a/src/client/index.js b/src/client/index.js
index 5006bebbc0fd..c715adc05db9 100644
--- a/src/client/index.js
+++ b/src/client/index.js
@@ -19,4 +19,5 @@ export function getSyncedStore() {
 
 export const storiesOf = clientApi.storiesOf.bind(clientApi);
 export const action = clientApi.action.bind(clientApi);
+export const linkTo = clientApi.linkTo.bind(clientApi);
 export const configure = configApi.configure.bind(configApi);