130 lines
3.3 KiB
Lua
130 lines
3.3 KiB
Lua
--[[
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cfg/minifier_providers.lua - Provides minifier providers.
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Copyright 2019 Adorable-Catgirl
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]
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local postproc_paths = {
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"/usr/share/luacomp/postproc",
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os.getenv("HOME").."/.local/share/luacomp/postproc"
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}
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local providers = {}
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function providers.luamin(cin)
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local fn = os.tmpname()
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-- io.stderr:write("DEBUG: ",fn,"\n")
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local fh = io.open(fn, "w")
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fh:write(cin)
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fh:close()
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-- I have no idea why luamin keeps throwing errors in my buildscript
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-- if I make this `luamin -f <tmpfile>` and I have no fucking clue as
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-- to why this fixes it, but I guess I shouldn't complain. But I will
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-- anyways. What the actual fuck is this and what the actual fuck was
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-- that error?
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local lmh = io.popen("cat \""..fn.."\" | luamin -c", "r")
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-- io.stderr:write("DEBUG: ", "luamin -f "..fn.." 2>&1", "\n")
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local dat = lmh:read("*a")
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local stat, _, code = lmh:close()
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os.remove(fn)
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if (code ~= 0) then
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return false, dat
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end
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return dat
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end
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function providers.bython(cin)
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local fn = os.tmpname()
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local fo = os.tmpname()
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local fh = io.open(fn, "w")
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fh:write(cin)
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fh:close()
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local lmh = io.popen("bython -c "..fn.." "..fo.." 2>&1", "r")
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local out = lmh:read("*a")
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local stat, _, code = lmh:close()
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os.remove(fn)
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if (code ~= 0) then
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os.remove(fo)
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return false, out
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end
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fh = io.open(fo, "r")
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local dat = fh:read("*a")
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fh:close()
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os.remove(fo)
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return dat
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end
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function providers.bython2(cin)
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local fn = os.tmpname()
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local fo = os.tmpname()
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local fh = io.open(fn, "w")
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fh:write(cin)
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fh:close()
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local lmh = io.popen("bython -c2 "..fn.." "..fo.." 2>&1", "r")
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local out = lmh:read("*a")
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local stat, _, code = lmh:close()
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os.remove(fn)
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if (code ~= 0) then
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os.remove(fo)
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return false, out
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end
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fh = io.open(fo, "r")
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local dat = fh:read("*a")
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fh:close()
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os.remove(fo)
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return dat
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end
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function providers.uglify(cin)
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local fn = os.tmpname()
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local fh = io.open(fn, "w")
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fh:write(cin)
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fh:close()
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local lmh = io.popen("uglifyjs --compress --mangle -- "..fn.." 2>&1", "r")
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local dat = lmh:read("*a")
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local stat, _, code = lmh:close()
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os.remove(fn)
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if (code ~= 0) then
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return false, dat
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end
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return dat
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end
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function providers.none(cin)
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return cin
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end
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setmetatable(providers, {__index=function(t, i)
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for i=1, #postproc_paths do
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if (os.execute("stat "..postproc_paths[i].."/"..i..".lua 1>/dev/null 2>&1")) then
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providers[i] = loadfile(postproc_paths[i].."/"..i..".lua")()
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return providers[i]
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end
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end
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end})
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local function preload_providers()
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--Do this in the best way possible
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for i=1, #postproc_paths do
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if (os.execute("stat "..postproc_paths[i].."1>/dev/null 2>&1")) then
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local fh = io.popen("ls "..postproc_paths[i], "r")
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for line in fh:lines() do
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if (line:match("%.lua$")) then
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providers[line:sub(1, #line-4)] = loadfile(postproc_paths[i].."/"..line)()
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end
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end
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end
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end
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end |