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shinyHierarchy

Hierarchical slicer-style input for Shiny, inspired by Power BI date hierarchies.

Features

• Multi-level tree from a data frame and levels
• Inline Power BI-style slicer or compact dropdown
• Optional search and select-all row
• Cascading checkboxes with tri-state parents
• Structured Shiny value (schema_version = 1) with resolved, rollup, explicit, and summary

Example

library(shiny)
library(shinyHierarchy)

df <- data.frame(
  year = c(2026, 2026),
  month = c("January", "January"),
  day = c(1, 2)
)

ui <- fluidPage(
  hierarchyInput(
    "dates",
    "Año, Mes, Día",
    df,
    c("year", "month", "day"),
    display = "inline"
  )
)

server <- function(input, output, session) {
  observe(print(hierarchyResolved(input$dates)))
}

shinyApp(ui, server)

Run the packaged example with shiny::runApp(system.file("examples", package = "shinyHierarchy")).

The same component works with arbitrary levels, for example c("country", "department", "city") or c("category", "subcategory", "product"). Search is disabled by default and can be enabled with search = TRUE for large hierarchies.

Security

Values received through input$... are controlled by the browser. Validate selected ids against the server-side hierarchy and user permissions before using them to access sensitive data. Component dimensions accept only safe CSS lengths such as "350px", "100%", or "20rem".

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.