Guard against npx missing set-script

Author: David Heinemeier Hansson

lib/install/bootstrap/install.rb

@@ -11,4 +11,10 @@
 end
 
 say "Add build:css script"
-run %(npm set-script build:css "sass ./app/assets/stylesheets/application.bootstrap.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules")
+build_script = "sass ./app/assets/stylesheets/application.bootstrap.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules"
+
+if (`npx -v`.to_f < 7.1 rescue "Missing")
+  say %(Add "scripts": { "build:css": "#{build_script}" to your package.json), :green
+else
+  run %(npm set-script build:css "#{build_script}")
+end

lib/install/bulma/install.rb

@@ -4,4 +4,10 @@
 run "yarn add sass bulma"
 
 say "Add build:css script"
-run %(npm set-script build:css "sass ./app/assets/stylesheets/application.bulma.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules")
+build_script = "sass ./app/assets/stylesheets/application.bulma.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules"
+
+if (`npx -v`.to_f < 7.1 rescue "Missing")
+  say %(Add "scripts": { "build:css": "#{build_script}" to your package.json), :green
+else
+  run %(npm set-script build:css "#{build_script}")
+end

lib/install/postcss/install.rb

@@ -4,4 +4,10 @@
 run "yarn add postcss postcss-cli postcss-nesting autoprefixer"
 
 say "Add build:css script"
-run %(npm set-script build:css "postcss ./app/assets/stylesheets/application.postcss.css -o ./app/assets/builds/application.css")
+build_script = "postcss ./app/assets/stylesheets/application.postcss.css -o ./app/assets/builds/application.css"
+
+if (`npx -v`.to_f < 7.1 rescue "Missing")
+  say %(Add "scripts": { "build:css": "#{build_script}" to your package.json), :green
+else
+  run %(npm set-script build:css "#{build_script}")
+end

lib/install/sass/install.rb

@@ -3,4 +3,10 @@
 run "yarn add sass"
 
 say "Add build:css script"
-run %(npm set-script build:css "sass ./app/assets/stylesheets/application.sass.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules")
+build_script = "sass ./app/assets/stylesheets/application.sass.scss ./app/assets/builds/application.css --no-source-map --load-path=node_modules"
+
+if (`npx -v`.to_f < 7.1 rescue "Missing")
+  say %(Add "scripts": { "build:css": "#{build_script}" to your package.json), :green
+else
+  run %(npm set-script build:css "#{build_script}")
+end

lib/install/tailwind/install.rb

@@ -4,4 +4,10 @@
 run "yarn add tailwindcss@latest postcss@latest autoprefixer@latest"
 
 say "Add build:css script"
-run %(npm set-script build:css "tailwindcss -i ./app/assets/stylesheets/application.tailwind.css -o ./app/assets/builds/application.css")
+build_script = "tailwindcss -i ./app/assets/stylesheets/application.tailwind.css -o ./app/assets/builds/application.css"
+
+if (`npx -v`.to_f < 7.1 rescue "Missing")
+  say %(Add "scripts": { "build:css": "#{build_script}" to your package.json), :green
+else
+  run %(npm set-script build:css "#{build_script}")
+end