util: Add Teal interface definition files

Enables writing code in Teal that is aware of the interfaces and
function prototypes in these other utils.

Could also be used to do type checks on Lua sources, but this tends to
have a lot of noise.

1 files changed, 6 insertions, 0 deletions

diff --git a/teal-src/util/interpolation.d.tl b/teal-src/util/interpolation.d.tl
new file mode 100644
index 00000000..fb653edf
--- /dev/null
+++ b/teal-src/util/interpolation.d.tl
@@ -0,0 +1,6 @@
+local type renderer = function (string, { string : any }) : string
+local type filter = function (string, any) : string
+local record lib
+	new : function (string, string, funcs : { string : filter }) : renderer
+end
+return lib