Introduction Here's a simple example of working with a reactive R6 in a shiny app. It is inspired by a post to RStudio Community (https://community.rstudio.com/t/good-way-to-create-a-reactive-aware-r6-class/84890) and uses the code provided by Winston Chang to create an R6 class that is reactive. The example code is …

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Generally there is no issue in sending a list of parameters (reactive and non-reactive) to a shiny module. Here's an example where a shiny module would be called multiple times, programatically, where the reactive nature of the parameters may be variable (reactive in one instance but not in another). One way to deal …

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Examples of passing a list of reactives, reactiveValues list and reactiveValues to a shiny module. This helps explain reactivity when passing values to a shiny module. In each case we pass a value A which triggers mod A and value B which triggers mod B. The code below and output demonstrates which outputs in the shiny …

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Using shiny modules a large shiny application can be broken down into manageable chunks. Modules work well with most aspects of shiny code but care needs to be taken when referencing inputs. This is especially true when javascript is used within a module. Here's a piece of code which uses a callback in a datatable to …

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