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potatOS/minify/CommandLineLiveMinify.lua

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2021-03-31 18:58:54 +00:00
--
-- CommandLineLiveMinify.lua
--
-- For testing: Lets you enter lines of text to be minified to verify the
-- correctness of their implementation.
--
local util = require'Util'
local Parser = require'ParseLua'
local Format_Mini = require'FormatMini'
local ParseLua = Parser.ParseLua
local PrintTable = util.PrintTable
while true do
io.write('> ')
local line = io.read('*line')
local fileFrom, fileTo = line:match("^file (.*) (.*)")
if fileFrom and fileTo then
local file = io.open(fileFrom, 'r')
local fileTo = io.open(fileTo, 'w')
if file and fileTo then
local st, ast = ParseLua(file:read('*all'))
if st then
fileTo:write(Format_Mini(ast)..'\n')
io.write("Minification Complete\n")
else
io.write(""..tostring(ast).."\n")
end
file:close()
fileTo:close()
else
io.write("File does not exist\n")
end
else
local st, ast = ParseLua(line)
if st then
io.write("====== AST =======\n")
io.write(PrintTable(ast)..'\n')
io.write("==== MINIFIED ====\n")
io.write(Format_Mini(ast)..'\n')
io.write("==================\n")
else
io.write(""..tostring(ast).."\n")
end
end
end