Add a button to a learnr tutorial (or other pre-rendered Shiny document) to stop Shiny

stop.Rmd

---
title: "Stop learnr tutorial with a button"
output: learnr::tutorial
runtime: shiny_prerendered
---

```{r setup, include=FALSE}
library(learnr)
knitr::opts_chunk$set(echo = FALSE)
```

## Stop the tutorial

Click the button below to stop the tutorial. Note that in the first chunk, `context="render"` is redundant because `"render"` is the default context.

```{r, context="render"}
actionButton("stopapp", "Stop tutorial")
```

```{r, context="server"}
observeEvent(input$stopapp, stopApp())
```

See [RMarkdown help on Pre-rendered Shiny Documents](https://rmarkdown.rstudio.com/authoring_shiny_prerendered.html) for more information.