refactor: restructure files to their domains, new preview overlay system, and dep graph

1 files changed, 65 insertions, 0 deletions

diff --git a/apps/web/src/fps/__tests__/fps.test.ts b/apps/web/src/fps/__tests__/fps.test.ts
new file mode 100644
index 00000000..e025a188
--- /dev/null
+++ b/apps/web/src/fps/__tests__/fps.test.ts
@@ -0,0 +1,65 @@
+import { describe, expect, test } from "bun:test";
+import {
+	getHighestImportedVideoFps,
+	getRaisedProjectFpsForImportedMedia,
+} from "@/fps/utils";
+
+describe("getHighestImportedVideoFps", () => {
+	test("returns the highest valid video fps", () => {
+		expect(
+			getHighestImportedVideoFps({
+				mediaAssets: [
+					{ type: "audio" },
+					{ type: "video", fps: 30 },
+					{ type: "image", fps: 120 },
+					{ type: "video", fps: 60 },
+				],
+			}),
+		).toBe(60);
+	});
+
+	test("ignores missing and invalid fps values", () => {
+		expect(
+			getHighestImportedVideoFps({
+				mediaAssets: [
+					{ type: "video" },
+					{ type: "video", fps: 0 },
+					{ type: "video", fps: -10 },
+					{ type: "audio", fps: 120 },
+				],
+			}),
+		).toBeNull();
+	});
+});
+
+describe("getRaisedProjectFpsForImportedMedia", () => {
+	test("raises the project fps to match a higher-fps import", () => {
+		expect(
+			getRaisedProjectFpsForImportedMedia({
+				currentFps: { numerator: 30, denominator: 1 },
+				importedAssets: [{ type: "video", fps: 60 }],
+			}),
+		).toEqual({ numerator: 60, denominator: 1 });
+	});
+
+	test("does not lower the project fps for lower-fps imports", () => {
+		expect(
+			getRaisedProjectFpsForImportedMedia({
+				currentFps: { numerator: 60, denominator: 1 },
+				importedAssets: [{ type: "video", fps: 10 }],
+			}),
+		).toBeNull();
+	});
+
+	test("ignores non-video imports", () => {
+		expect(
+			getRaisedProjectFpsForImportedMedia({
+				currentFps: { numerator: 30, denominator: 1 },
+				importedAssets: [
+					{ type: "image", fps: 60 },
+					{ type: "audio", fps: 120 },
+				],
+			}),
+		).toBeNull();
+	});
+});