Make ImagePath visible in minimal example (close #18)

docs/GettingStarted.md

@@ -26,14 +26,28 @@ $ sbt demo
 
 You can depend on the library by adding these lines to your `build.sbt`:
 
+```mdx-code-block
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+```
+
+<Tabs groupId="platform">
+  <TabItem value="jvm" label="JVM" default>
+
 ```scala
-// JVM
 libraryDependencies += "io.github.stanch" %% "reftree" % "@VERSION@"
+```
 
-// Scala.js
+  </TabItem>
+  <TabItem value="js" label="Scala.js">
+
+```scala
 libraryDependencies += "io.github.stanch" %%% "reftree" % "@VERSION@"
 ```
 
+  </TabItem>
+</Tabs>
+
 ## Minimal example
 
 ```scala mdoc:invisible
@@ -44,7 +58,13 @@ val ImagePath = "site-gen/target/mdoc/images"
 import reftree.render.{Renderer, RenderingOptions}
 import reftree.diagram.Diagram
 import java.nio.file.Paths
+```
+
+```scala
+val ImagePath = "images"
+```
 
+```scala mdoc:silent
 val renderer = Renderer(
   renderingOptions = RenderingOptions(density = 100),
   directory = Paths.get(ImagePath, "overview")
@@ -56,6 +76,8 @@ case class Person(firstName: String, age: Int)
 Diagram.sourceCodeCaption(Person("Bob", 42)).render("example")
 ```
 
+This generates `images/overview/example.png` with the following image:
+
 ![bob](images/overview/example.png)
 
 For more details, please refer to the [guide](Guide.md).

docs/Guide.md

@@ -53,17 +53,29 @@ implicit def treeInstance: ToRefTree[Tree] = ToRefTree[Tree] { tree =>
 
 To render diagrams and animations, you will need a `Renderer`.
 
-**For JVM:**
+```mdx-code-block
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+```
 
 ```scala mdoc:invisible
 val ImagePath = "site-gen/target/mdoc/images"
 ```
 
+<Tabs groupId="platform">
+  <TabItem value="jvm" label="JVM" default>
+
 ```scala mdoc:silent
 import reftree.render._
 import reftree.diagram._
 import java.nio.file.Paths
+```
 
+```scala
+val ImagePath = "images"
+```
+
+```scala mdoc:silent
 val renderer = Renderer(
   renderingOptions = RenderingOptions(density = 75),
   directory = Paths.get(ImagePath, "guide")
@@ -74,7 +86,8 @@ You can also pass a `format` parameter as a String to the `Renderer` constructor
 to specify the format you require. The default is `png`. You can specify any
 file type supported by `dot -T`.
 
-**For Scala.js:**
+  </TabItem>
+  <TabItem value="js" label="Scala.js">
 
 ```scala
 import reftree.render._
@@ -85,9 +98,13 @@ val renderer = Renderer(
 )
 ```
 
+  </TabItem>
+</Tabs>
+
 There are two ways to use renderers:
 
-**JVM**
+<Tabs groupId="platform">
+  <TabItem value="jvm" label="JVM" default>
 
 ```scala mdoc:silent
 import scala.collection.immutable.Queue
@@ -100,7 +117,8 @@ import renderer._
 Diagram(Queue(1)).render("queue")
 ```
 
-**Scala.js**
+  </TabItem>
+  <TabItem value="js" label="Scala.js">
 
 ```scala
 import org.scalajs.dom
@@ -113,6 +131,9 @@ import renderer._
 Diagram(List(1)).render(dom.document.getElementById("diagram"))
 ```
 
+  </TabItem>
+</Tabs>
+
 You can set various options, for example:
 
 ```scala mdoc:silent