Remember namespaces across separate code blocks

Before borkdude/cljs-showcase#1, our
separate code blocks could only use the  #'user namespace. Now, they
play nice with an ns declaration.

docs/dominoes-live.md

@@ -37,9 +37,10 @@ We'll look at all 70 lines.
 Within our single namespace (of 70 lines), we'll need access to both `reagent` and `re-frame`. 
 So, at the top we need this: 
 <div class="cm-doc">
-(require '[reagent.core :as reagent]
-         '[reagent.dom :as rdom]
-         '[re-frame.core :as rf])
+(ns re-frame.simple
+  (:require [reagent.core :as reagent]
+            [reagent.dom :as rdom]
+            [re-frame.core :as rf]))
 </div>
 
 !!! Note "Live Code Fragment"

docs/reagent.md

@@ -4,10 +4,11 @@ Clojurescript is ergonomic, stable, functional language
 Look at the front page of https://www.learnreframe.com/
 
 
-<div class="cm-doc">
-(require '[reagent.dom :as rdom]
-         '[re-frame.core :as rf]
-         '[clojure.string :as str])
+<div class="cljs-showcase">
+(ns simple.core
+  (:require [reagent.dom :as rdom]
+            [re-frame.core :as rf]
+            [clojure.string :as str])))
 </div>
 
 <div class="cm-doc">

docs/src/re_frame/docs.cljs

@@ -35,9 +35,12 @@
                      :ns-aliases {'clojure.pprint 'cljs.pprint}})]
   (ctx-store/reset-ctx! ctx))
 
-(defn eval-str [source-str]
+(def last-ns (volatile! nil))
+
+(defn eval-str [source-str & [opts]]
   (try
-    (let [v (sci/eval-string* (ctx-store/get-ctx) source-str)]
+    (let [{:keys [v ns]} (sci/eval-string+ (ctx-store/get-ctx) source-str {:ns @last-ns})]
+      (vreset! last-ns ns)
       (if (instance? js/Promise v)
         (-> v
             (.then

project.clj

@@ -26,7 +26,7 @@
                      :plugins      [[com.github.liquidz/antq "RELEASE"]
                                     [lein-shell              "0.5.0"]]
                      :antq         {}}
-             :docs {:dependencies [[org.babashka/sci "0.7.39"]
+             :docs {:dependencies [[org.babashka/sci "0.8.40"]
                                    [funcool/promesa "10.0.575"]]}}
 
   :clean-targets  [:target-path