diff --git a/R/cookies.R b/R/cookies.R
index 95255ab..6a6d6ff 100644
--- a/R/cookies.R
+++ b/R/cookies.R
@@ -244,15 +244,18 @@ cookie_banner_server <- function(
 #' init_cookies
 #'
 #' @description
-#' init_cookies() creates a local copy of the JavaScript file
-#' required for cookies to work.
-#' It checks whether there is already a www/ folder and if not, it creates one.
-#' It then checks whether the cookie-consent.js file exists in the www/ folder.
-#' If the file exists, it will print a message in the console to let you know.
-#' If the file doesn't exist, it will pull a copy from the GitHub repo.
-#' If it cannot connect to the repo then it will print "Download failed".
-#' No input parameters are required
-#' Call init_cookies() in the console to run the function
+#' init_cookies() creates a local copy of the JavaScript file required for
+#' cookies to work. It checks whether there is already a www/ folder and if
+#' not, it creates one. It then checks whether the cookie-consent.js file
+#' exists in the www/ folder. If the file exists, it will print a message in
+#' the console to let you know it has overwritten it. If the file doesn't
+#' exist, it will make one and confirm it has done so.
+#'
+#' No input parameters are required, run `init_cookies()` in the console to run
+#' the function
+#'
+#' @param create_file Boolean, TRUE by default, if FALSE then will print to
+#' the console rather than create a new file
 #'
 #' @return NULL
 #' @export
@@ -261,29 +264,58 @@ cookie_banner_server <- function(
 #' if (interactive()) {
 #'   init_cookies()
 #' }
-init_cookies <- function() {
-  sub_dir <- "www"
+init_cookies <- function(create_file = TRUE) {
+  if (!is.logical(create_file)) {
+    stop("create_file must always be TRUE or FALSE")
+  }
 
-  output_dir <- file.path(sub_dir)
+  # Create the JS for the file ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  cookie_js <- "function getCookies(){
+  var res = Cookies.get();
+  Shiny.setInputValue('cookies', res);
+}
 
-  if (!dir.exists(output_dir)) {
-    dir.create(output_dir)
-  } else {
-    message("www folder already exists!")
-  }
+Shiny.addCustomMessageHandler('cookie-set', function(msg){
+  Cookies.set(msg.name, msg.value);
+  getCookies();
+})
 
-  github_area <- "https://raw.githubusercontent.com/dfe-analytical-services/"
+Shiny.addCustomMessageHandler('cookie-clear', function(msg){
+  Cookies.remove(msg.name);
+  getCookies();
+})
 
-  tryCatch(
-    utils::download.file(
-      url = paste0(github_area, "dfeshiny/main/inst/cookie-consent.js"),
-      destfile = "www/cookie-consent.js"
-    ),
-    error = function(e) {
-      return("Download failed")
-    },
-    message("Cookie script updated")
-  )
+$(document).on('shiny:connected', function(ev){
+  getCookies();
+})
+
+Shiny.addCustomMessageHandler('analytics-consent', function(msg){
+  gtag('consent', 'update', {
+    'analytics_storage': msg.value
+  });
+})"
+  # End of JS for the file ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+  if (create_file == TRUE) {
+    sub_dir <- "www"
+
+    output_dir <- file.path(sub_dir)
+
+    if (!dir.exists(output_dir)) {
+      dir.create(output_dir)
+    }
+
+    if (file.exists("www/cookie-consent.js")) {
+      message("www/cookie-consent.js already exists, updating file...")
+      cat(cookie_js, file = "www/cookie-consent.js", sep = "\n")
+      message("...file successfully updated")
+    } else {
+      cat(cookie_js, file = "www/cookie-consent.js", sep = "\n")
+      message("Created cookies script as www/cookie-consent.js")
+    }
+  } else {
+    cat(cookie_js, file = "", sep = "\n")
+  }
 }
 
 #' cookies_panel_ui
diff --git a/inst/cookie-consent.js b/inst/cookie-consent.js
deleted file mode 100644
index d3f220f..0000000
--- a/inst/cookie-consent.js
+++ /dev/null
@@ -1,26 +0,0 @@
-function getCookies(){
-  var res = Cookies.get();
-  Shiny.setInputValue('cookies', res);
-}
-
-Shiny.addCustomMessageHandler('cookie-set', function(msg){
-  Cookies.set(msg.name, msg.value);
-  getCookies();
-})
-
-Shiny.addCustomMessageHandler('cookie-clear', function(msg){
-  Cookies.remove(msg.name);
-  getCookies();
-})
-
-$(document).on('shiny:connected', function(ev){
-  getCookies();
-})
-
-Shiny.addCustomMessageHandler('analytics-consent', function(msg){
-  gtag('consent', 'update', {
-    'analytics_storage': msg.value
-  });
-})
-
-
diff --git a/man/init_analytics.Rd b/man/init_analytics.Rd
index 9d75c1f..01dcdc0 100644
--- a/man/init_analytics.Rd
+++ b/man/init_analytics.Rd
@@ -12,14 +12,13 @@ init_analytics(ga_code, create_file = TRUE)
 \item{create_file}{Boolean TRUE or FALSE, default is TRUE, false will return
 the HTML in the console and is used mainly for testing or comparisons}
 }
-\value{
-TRUE if written, FALSE if not, character vector of HTML if create_file = FALSE
-}
 \description{
 Creates the google-analytics.html script in order to allow the activation of
 analytics via GA4. For the full steps required to set up analytics, please
 refer to the documentation in the README.
 }
 \examples{
-init_analytics(ga_code = "0123456789")
+if (interactive()) {
+  init_analytics(ga_code = "0123456789")
+}
 }
diff --git a/man/init_cookies.Rd b/man/init_cookies.Rd
index fc03492..58c4475 100644
--- a/man/init_cookies.Rd
+++ b/man/init_cookies.Rd
@@ -4,18 +4,22 @@
 \alias{init_cookies}
 \title{init_cookies}
 \usage{
-init_cookies()
+init_cookies(create_file = TRUE)
+}
+\arguments{
+\item{create_file}{Boolean, TRUE by default, if FALSE then will print to
+the console rather than create a new file}
 }
 \description{
-init_cookies() creates a local copy of the JavaScript file
-required for cookies to work.
-It checks whether there is already a www/ folder and if not, it creates one.
-It then checks whether the cookie-consent.js file exists in the www/ folder.
-If the file exists, it will print a message in the console to let you know.
-If the file doesn't exist, it will pull a copy from the GitHub repo.
-If it cannot connect to the repo then it will print "Download failed".
-No input parameters are required
-Call init_cookies() in the console to run the function
+init_cookies() creates a local copy of the JavaScript file required for
+cookies to work. It checks whether there is already a www/ folder and if
+not, it creates one. It then checks whether the cookie-consent.js file
+exists in the www/ folder. If the file exists, it will print a message in
+the console to let you know it has overwritten it. If the file doesn't
+exist, it will make one and confirm it has done so.
+
+No input parameters are required, run \code{init_cookies()} in the console to run
+the function
 }
 \examples{
 if (interactive()) {
diff --git a/tests/testthat/test-init_cookies.R b/tests/testthat/test-init_cookies.R
new file mode 100644
index 0000000..da6f745
--- /dev/null
+++ b/tests/testthat/test-init_cookies.R
@@ -0,0 +1,14 @@
+test_that("Rejects non-boolean for create_file", {
+  expect_error(init_cookies(create_file = "Funky non-boolean"))
+})
+
+test_that("Javascript writes out", {
+  output <- capture.output(init_cookies(create_file = FALSE))
+
+  # Expect to find a couple of other key parts
+  expect_equal(output[1], "function getCookies(){")
+  expect_true(grepl("Shiny\\.setInputValue\\('cookies'", output[3]))
+  expect_true(grepl("cookie-set", output[6]))
+  expect_true(grepl("cookie-clear", output[11]))
+  expect_true(grepl("analytics-consent", output[20]))
+})