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'Golem' Hooks for Standard 'Shiny' Apps

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ThinkR-open/ghooks

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R-CMD-checkLifecycle: experimental

The goal of{ghooks} is to provide{ghooks} hooks for standard{shiny} apps.

Installation

You can install the development version of{ghooks} like so:

pak::pak("thinkr-open/ghooks")

About

You’re reading the doc about version : 0.0.0.9000

This README has been compiled on the

Sys.time()[1]"2023-03-27 13:07:03 CEST"

Here are the test & coverage results :

devtools::check(quiet=TRUE)ℹLoadingghooks──RCMDcheckresults ──────────────────────────────────ghooks0.0.0.9000 ────Duration:7.1s0errors|0warnings|0notes
covr::package_coverage()ghooksCoverage:100.00%R/detect_ui_line.R:100.00%R/geyser_hook.R:100.00%

{golem} hooks

{golem} hooks are functions that are called by{golem} at specificmoments of the app lifecycle. They are used to add custom code to theapp, notably when creating the app withcreate_golem().

You can find more info about{golem} hooks on{golem}documentation.

The hooks can be called withgolem::create_golem(project_hook = ),when creating a new golem project via the RStudio widget, as show on thescreenshot in theExtending{golem}Vignette.

Below is the list of curently available hooks:

geyser_hook

This hook is mainly intended at demoing the{golem} hooks system. Itadds the “Old Faithful Geyser Data” app to your golem project.

Click here to see the content of `app_ui` and `app_server` from`geyser_hook`
pth<- tempfile(pattern="geyser")old_wd<- getwd()unlink(pth,recursive=TRUE)golem::create_golem(pth,project_hook=ghooks::geyser_hook,open=FALSE)──Checkingpackagename ───────────────────────────────────────────────────────✔Validpackagename──Creatingdir ────────────────────────────────────────────────────────────────✔Creating'/var/folders/9w/zdlv83ws6csdjnfc5x819gtr0000gn/T/RtmpMxqJJS/geyserd84144e998b8/'Settingactiveprojectto'/private/var/folders/9w/zdlv83ws6csdjnfc5x819gtr0000gn/T/RtmpMxqJJS/geyserd84144e998b8'Creating'R/'Writingasentinelfile'.here'Buildrobustpathswithinyourprojectvia`here::here()`Learnmoreat<https://here.r-lib.org>Settingactiveprojectto'<no active project>'Createdpackagedirectory──Copyingpackageskeleton ────────────────────────────────────────────────────✔Copiedappskeleton──Runningprojecthookfunction ───────────────────────────────────────────────Styling1files:R/app_ui.R ℹ ────────────────────────────────────────StatusCountLegend0Fileunchanged.1Filechanged.0Stylingthrewanerror.────────────────────────────────────────Pleasereviewthechangescarefully!Styling1files:R/app_server.R ℹ ────────────────────────────────────────StatusCountLegend0Fileunchanged.1Filechanged.0Stylingthrewanerror.────────────────────────────────────────Pleasereviewthechangescarefully!AllsetSettingactiveprojectto'/private/var/folders/9w/zdlv83ws6csdjnfc5x819gtr0000gn/T/RtmpMxqJJS/geyserd84144e998b8'──Done ────────────────────────────────────────────────────────────────────────Anewgolemnamedgeyserd84144e998b8wascreatedat/var/folders/9w/zdlv83ws6csdjnfc5x819gtr0000gn/T//RtmpMxqJJS/geyserd84144e998b8.Tocontinueworkingonyourapp,starteditingthe01_start.Rfile.
cat(  readLines(    file.path(pth,"R","app_ui.R")  ),sep="\n")#' The application User-Interface#'#' @param request Internal parameter for `{shiny}`.#'     DO NOT REMOVE.#' @import shiny#' @noRdapp_ui<-function(request) {  tagList(# Leave this function for adding external resources    golem_add_external_resources(),# Your application UI logic    fluidPage(# Application title      titlePanel("Old Faithful Geyser Data"),# Sidebar with a slider input for number of bins      sidebarLayout(        sidebarPanel(          sliderInput("bins","Number of bins:",min=1,max=50,value=30          )        ),# Show a plot of the generated distribution        mainPanel(          plotOutput("distPlot")        )      )    )  )}#' Add external Resources to the Application#'#' This function is internally used to add external#' resources inside the Shiny application.#'#' @import shiny#' @importFrom golem add_resource_path activate_js favicon bundle_resources#' @noRdgolem_add_external_resources<-function() {  add_resource_path("www",    app_sys("app/www")  )tags$head(    favicon(),    bundle_resources(path= app_sys("app/www"),app_title="geyserd84144e998b8"    )# Add here other external resources# for example, you can add shinyalert::useShinyalert()  )}
cat(  readLines(    file.path(pth,"R","app_server.R")  ),sep="\n")#' The application server-side#'#' @param input,output,session Internal parameters for {shiny}.#'     DO NOT REMOVE.#' @import shiny#' @noRdapp_server<-function(input,output,session) {# Your application server logicoutput$distPlot<- renderPlot({# generate bins based on input$bins from ui.Rx<-faithful[,2]bins<- seq(min(x), max(x),length.out=input$bins+1)# draw the histogram with the specified number of bins    hist(x,breaks=bins,col="darkgray",border="white")  })}

About

You’re reading the doc about version : 0.0.0.9000

This README has been compiled on:

Sys.time()[1]"2023-03-27 13:07:14 CEST"

Here are the test & coverage results :

devtools::check(quiet=TRUE)ℹLoadingghooks──RCMDcheckresults ──────────────────────────────────ghooks0.0.0.9000 ────Duration:7.6s0errors|0warnings|0notes
covr::package_coverage()ghooksCoverage:100.00%R/detect_ui_line.R:100.00%R/geyser_hook.R:100.00%

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'Golem' Hooks for Standard 'Shiny' Apps

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