minify + fix lzwfs ui bug

minify/.package

@@ -0,0 +1,6 @@
+{
+	title = 'Lua minification',
+	repository = 'kepler155c/opus-apps/{{OPUS_BRANCH}}/minify',
+	description = [[ Minifies Lua files ]],
+	license = 'MIT',
+}

minify/minifyDir.lua

@@ -0,0 +1,25 @@
+local fs    = _G.fs
+local shell = _ENV.shell
+
+local function recurse(path)
+    if fs.isDir(path) then
+        for _, v in pairs(fs.listEx(path)) do
+            if not v.isReadOnly then
+                recurse(fs.combine(path, v.name))
+            end
+        end
+    elseif path:match('%.lua$') and not fs.isReadOnly(path) then
+        local sz = fs.getSize(path)
+        shell.run('packages/minify/minify.lua minify ' .. path)
+        print(string.format('%s : %.2f%%', path, (sz - fs.getSize(path)) / sz * 100))
+    end
+end
+
+local path = ({ ... })[1] or error('Syntax: minifyDir PATH')
+
+path = fs.combine(path, '')
+if not fs.isDir(path) then
+    error('Invalid path')
+end
+
+recurse(path)