is_required and testcase

1 files changed, 16 insertions, 0 deletions

diff --git a/is_required.lua b/is_required.lua
new file mode 100644
index 0000000..40b3e88
--- /dev/null
+++ b/is_required.lua
@@ -0,0 +1,16 @@
+local function is_required()
+	local n = 0
+	local res = false
+	while true do
+		local x = debug.getinfo(n)
+		if x == nil then break end
+		n = n + 1
+		if x.name == 'require' then
+			res = true
+		
+			break
+		end
+	end
+	return res
+end
+return {is_required = is_required}