Luke The Dev
24 lines
675 B
TypeScript
24 lines
675 B
TypeScript
import { describe, expect, it } from "vitest";
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import { isNearBottom } from "@/lib/dom";
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describe("isNearBottom", () => {
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it("returns true when within the threshold of the bottom", () => {
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expect(
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isNearBottom({ scrollTop: 560, clientHeight: 400, scrollHeight: 1000 }, 40)
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).toBe(true);
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});
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it("returns false when above the threshold", () => {
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expect(
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isNearBottom({ scrollTop: 500, clientHeight: 400, scrollHeight: 1000 }, 40)
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).toBe(false);
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});
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it("treats negative remaining distance as near bottom", () => {
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expect(
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isNearBottom({ scrollTop: 700, clientHeight: 400, scrollHeight: 1000 }, 40)
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).toBe(true);
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});
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});
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