opencode/packages/tui/test/ui/animation.test.ts
2026-07-28 17:12:07 -04:00

45 lines
1.3 KiB
TypeScript

import { expect, test } from "bun:test"
import { createRoot } from "solid-js"
import { createAnimatable, spring, tween } from "../../src/ui/animation"
test("animates numeric objects and arrays to their targets", async () => {
let dispose = () => {}
const visual = createRoot((nextDispose) => {
dispose = nextDispose
return createAnimatable(
{ widths: [8, 8], selection: 0 },
{ transition: tween({ duration: 0.02, ease: (progress) => progress }) },
)
})
try {
visual.animate({ widths: [12, 4], selection: 1 })
await Bun.sleep(80)
expect(visual.value()).toEqual({ widths: [12, 4], selection: 1 })
} finally {
dispose()
}
})
test("retains spring state while retargeting and supports immediate jumps", async () => {
let dispose = () => {}
const visual = createRoot((nextDispose) => {
dispose = nextDispose
return createAnimatable({ value: 0 }, { transition: spring({ visualDuration: 0.02 }) })
})
try {
visual.animate({ value: 1 })
await Bun.sleep(20)
const target = visual.value().value
visual.animate({ value: target })
await Bun.sleep(20)
expect(visual.value().value).not.toBe(target)
await Bun.sleep(80)
expect(visual.value().value).toBeCloseTo(target)
visual.jump({ value: 0 })
expect(visual.value().value).toBe(0)
} finally {
dispose()
}
})