Require yarn when installing FEs

1 files changed, 30 insertions, 5 deletions

diff --git a/lib/mix/tasks/pleroma/instance.ex b/lib/mix/tasks/pleroma/instance.ex
index ba4ac8b6d..f57053a4c 100644
--- a/lib/mix/tasks/pleroma/instance.ex
+++ b/lib/mix/tasks/pleroma/instance.ex
@@ -164,8 +164,33 @@ defmodule Mix.Tasks.Pleroma.Instance do
 
       install_fe =
         case Mix.env() do
-          :test -> fn _ -> "42" end
-          _ -> &Mix.Tasks.Pleroma.Frontend.run(["install", &1, "--static-dir", static_dir])
+          :test ->
+            fn _, _ -> "42" end
+
+          _ ->
+            fn frontend, callback ->
+              case Pleroma.Utils.command_available?("yarn") do
+                false when frontend != "none" ->
+                  message =
+                    "To install #{frontend} frontend, `yarn` command is required. Please install it before continue. ([C]ontinue/[A]bort)"
+
+                  case String.downcase(shell_prompt(message, "C")) do
+                    abort when abort in ["a", "abort"] ->
+                      "none"
+
+                    _continue ->
+                      callback.(frontend, callback)
+                  end
+
+                _ ->
+                  Mix.Tasks.Pleroma.Frontend.run([
+                    "install",
+                    frontend,
+                    "--static-dir",
+                    static_dir
+                  ])
+              end
+            end
         end
 
       fe_primary =
@@ -176,7 +201,7 @@ defmodule Mix.Tasks.Pleroma.Instance do
           "pleroma"
         )
 
-      fe_primary_ref = install_fe.(fe_primary)
+      fe_primary_ref = install_fe.(fe_primary, install_fe)
 
       enable_static_fe? =
         get_option(
@@ -197,7 +222,7 @@ defmodule Mix.Tasks.Pleroma.Instance do
       fe_mastodon_ref =
         case install_mastodon_fe? do
           true ->
-            install_fe.("mastodon")
+            install_fe.("mastodon", install_fe)
 
           false ->
             "none"
@@ -213,7 +238,7 @@ defmodule Mix.Tasks.Pleroma.Instance do
 
       fe_admin_ref =
         case install_admin_fe? do
-          true -> install_fe.("admin")
+          true -> install_fe.("admin", install_fe)
           false -> "none"
         end