feat: initialize TJWater WebGIS frontend

2026-07-21 18:31:08 +08:00
commit ad5e5d3133
191 changed files with 37963 additions and 0 deletions
@@ -0,0 +1,21 @@
+import { describe, expect, it, vi } from "vitest";
+import { createFlowOverlayState, stopFlowAnimation } from "./flow-overlay";
+
+describe("flow overlay lifecycle", () => {
+  it("starts empty so conduit data can be loaded once per map session", () => {
+    expect(createFlowOverlayState()).toEqual({ data: null, animationFrameId: null, overlay: null });
+  });
+
+  it("cancels an active animation frame without clearing cached data", () => {
+    const cancelAnimationFrame = vi.fn();
+    vi.stubGlobal("window", { cancelAnimationFrame });
+    const state = createFlowOverlayState();
+    state.data = [];
+    state.animationFrameId = 42;
+    stopFlowAnimation(state);
+    expect(cancelAnimationFrame).toHaveBeenCalledWith(42);
+    expect(state.animationFrameId).toBeNull();
+    expect(state.data).toBeTruthy();
+    vi.unstubAllGlobals();
+  });
+});