"feat: add lua libs for filesystem access and custom commands - written in go"

golibs/commander/commander.go

@@ -0,0 +1,38 @@
+package commander
+
+import (
+	"github.com/chuckpreslar/emission"
+	"github.com/yuin/gopher-lua"
+)
+
+type Commander struct{
+	Events *emission.Emitter
+}
+
+func New() Commander {
+	return Commander{
+		Events: emission.NewEmitter(),
+	}
+}
+
+func (c *Commander) Loader(L *lua.LState) int {
+	var exports = map[string]lua.LGFunction{
+		"register": c.register,
+	}
+	mod := L.SetFuncs(L.NewTable(), exports)
+	L.SetField(mod, "__commands", L.NewTable())
+
+	L.Push(mod)
+
+	return 1
+}
+
+func (c *Commander) register(L *lua.LState) int {
+	cmdName := L.ToString(1)
+	cmd := L.ToFunction(2)
+
+	c.Events.Emit("commandRegister", cmdName, cmd)
+
+	return 0
+}
+

golibs/fs/fs.go

@@ -0,0 +1,27 @@
+package fs
+
+import (
+	"os"
+
+	"github.com/yuin/gopher-lua"
+)
+
+func Loader(L *lua.LState) int {
+    mod := L.SetFuncs(L.NewTable(), exports)
+
+    L.Push(mod)
+    return 1
+}
+
+var exports = map[string]lua.LGFunction{
+    "cd": cd,
+}
+
+func cd(L *lua.LState) int {
+	path := L.ToString(1)
+
+	os.Chdir(path)
+
+	return 0
+}
+