ensure_reactive: Make a value reactive if it is not already reactive.

In MonashBioinformaticsPlatform/varistran: Variance Stabilizing Transformations appropriate for RNA-Seq expression data

Description

This is used to allow parameters to Shiny functions to be optionally reactive.

Usage

ensure_reactive(
  item,
  name = NULL,
  env = NULL,
  default = function() stop("Missing ", name)
)

Arguments

item	Thing to ensure reactive, either an already reactive value, or a plain value, or NULL.
name	If item is NULL, env[[name]]() will be used.
env	If item is NULL, env[[name]]() will be used.
default	If item is NULL, and name is not in env, this reactive value will be used.

Value

A Shiny reactive value.

MonashBioinformaticsPlatform/varistran documentation built on March 21, 2020, 3:20 p.m.