#!/usr/bin/env fish

# Watcher script using `fswatch`.
# - Watch the `scss/` directory for changes.  
# - Upon event triggers, run the format+compile script.

set -l script_path (path resolve (status filename))
set -l script_dir (path dirname "$script_path")
set -l project_root (path normalize "$script_dir/../..")

set -l scss_dir "$project_root/scss"
set -l builder "$script_dir/build_scss.fish"

if not command -q fswatch
	echo "error: fswatch is not installed" >&2
	exit 1
end

echo "Watching $scss_dir..."
echo "Press Ctrl-C to stop."

fswatch \
	--recursive \
	--latency=0.1 \
	--one-per-batch \
	"$scss_dir" |
while read -l event
	echo "Change detected..."
	"$builder"
end