add app

app/src/primitives/Keyframe.ts

@@ -0,0 +1,12 @@
+import { z } from "zod";
+import { Interpolation } from "./Interpolation";
+
+export const Keyframe = z.object({
+  value: z.number(),
+  offset: z.number(),
+  interpolation: z.optional(Interpolation),
+});
+
+export const Keyframes = z.object({
+  values: z.array(Keyframe),
+});