Add new FAQ entry on Normalised databases

CHANGES.md

@@ -5,7 +5,8 @@
   - added [API documentation](/docs/API.md)
   - added [testing docs](/docs/Testing.md)
   - added [a new mental model](/docs/MentalModelOmnibus.md#on-dsls-and-machines)
-  - added [a new FAQ entry](docs/FAQs/When-Does-Dispatch-Happen.md) on dispatch processing 
+  - added [a new FAQ entry](/docs/FAQs/When-Does-Dispatch-Happen.md) on dispatch processing 
+  - added [a new FAQ entry](/docs/FAQs/DB_Normalisation.md) on representing normalised data in `app-db`. 
 
 #### Breaking
 

docs/FAQs/DB_Normalisation.md

@@ -0,0 +1,16 @@
+### Question
+
+`app-db` contains a `map`. How do I store normalised data in a `map`, 
+bettering mirroring the structure in my server-side database?
+
+### Answer 
+
+These libraries might be interesting to you:
+  - [SubGraph](https://github.com/vimsical/subgraph)
+  - [pull](https://github.com/juxt/pull)
+  
+If you want to go whole hog and ditch `app-db` and embrace DataScript, 
+then you'll find [re-posh](https://github.com/denistakeda/re-posh) interesting.  
+
+  
+

docs/FAQs/README.md

@@ -5,9 +5,10 @@
 2. [How can I use a subscription in an Event Handler](UseASubscriptionInAnEventHandler.md)
 2. [How do I use logging method X](Logging.md)
 3. [Dispatched Events Are Null](Null-Dispatched-Events.md)
-4. [Why implement re-frame in `.cljc` files](Why-CLJC.md)
+4. [Why is re-frame implemented in `.cljc` files](Why-CLJC.md)
 5. [Why do we need to clear the subscription cache when reloading with Figwheel?](Why-Clear-Sub-Cache.md)
 6. [How can I detect exceptions in Event Handlers?](CatchingEventExceptions.md)
+7. [How do I store normalised data in app-db?](DB_Normalisation.md)
 
 
 

docs/FAQs/UseASubscriptionInAnEventHandler.md

@@ -19,16 +19,16 @@ because that `subscribe`:
 
 ### The Better Way
 
-Instead, the value of a subscription should  
+Instead, the value of a subscription should
 be injected into the `coeffects` of that handler via an interceptor.
 
 A sketch:
 ```clj
-(re-frame.core/reg-event-fx     ;; handler must access coeffects, so use -fx
+(re-frame.core/reg-event-fx         ;; handler must access coeffects, so use -fx
   :event-id 
-  (inject-sub  [:query-id :param])  ;; <-- will inject subscription value into coeffects
-  (fn [coeffect event]
-    (let [sub-val  (:something coeffect)]  ;; obtain subscription value 
+  (inject-sub  [:query-id :param])  ;; <-- interceptor will inject subscription value into coeffects
+  (fn [coeffects event]
+    (let [sub-val  (:something coeffects)]  ;; obtain subscription value 
        ....)))
 ```
 
@@ -36,7 +36,7 @@ Notes:
 1. `inject-sub` is an interceptor which will get the subscription value and add it to coeffects (somehow)
 2. The event handler obtains the value from coeffects
 
-So how to write this interceptor?
+So, how to write this `inject-sub` interceptor?
 
 ### Solutions
 

docs/FAQs/When-Does-Dispatch-Happen.md

@@ -5,7 +5,7 @@ How long after I call `dispatch` will the event be processed?
 ### Answer
 
 The answer is "it depends", but [this comment in the code](https://github.com/Day8/re-frame/blob/master/src/re_frame/router.cljc#L8-L60)
-might give you the answers you want.  
+might provide you the answers you seek.  
 
 
 Up:  [FAQ Index](README.md)