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If in runtime:shiny doc, restore state when shiny app stops (not when the document is knitted) #87

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Feb 5, 2021
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If in runtime:shiny doc, restore state when shiny app stops (not when the document is knitted) #87

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9 changes: 8 additions & 1 deletion R/thematic.R
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Original file line number Diff line number Diff line change
Expand Up @@ -192,12 +192,19 @@ thematic_rmd <- function(bg = "auto", fg = "auto", accent = "auto",
)
document_hook <- knitr::knit_hooks$get("document")
knitr::knit_hooks$set(document = function(x) {
thematic_set_theme(old_theme)
if (is_shiny_runtime()) {
shiny::onStop(function() thematic_set_theme(old_theme))
} else {
thematic_set_theme(old_theme)
}
document_hook(x)
})
invisible(old_theme)
}

is_shiny_runtime <- function() {
isTRUE(grepl("^shiny", knitr::opts_knit$get("rmarkdown.runtime")))
}

#' Tools for getting and restoring global state
#'
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