[READ-ONLY] Mirror of https://github.com/bombshell-dev/tty. Platform independent 2D layout engine for terminal applications based on Clay
test: failing repro for floating-attach
Nate Moore
(Jun 4, 2026, 12:33 AM -0500)
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test/floating-attach.test.ts
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test/floating-attach.test.ts
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import { describe, expect, it } from "./suite.ts";
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import { createTerm } from "../term.ts";
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import { close, fixed, open, text } from "../ops.ts";
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// Clay attach-point enum (clay.h L433-441): LEFT_TOP=0 ... RIGHT_TOP=6.
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const ATTACH_TO_PARENT = 1;
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const LEFT_TOP = 0;
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const RIGHT_TOP = 6;
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describe("floating attach corners", () => {
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it("anchors a float to the parent's right-top corner", async () => {
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let term = await createTerm({ width: 10, height: 3 });
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// PROPOSED attachPoints: {element, parent} so the float's element corner
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// attaches to a chosen parent corner. Cast so it type-checks today; the
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// parent corner is dropped at runtime against the current build.
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let res = term.render([
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open("box", { layout: { width: fixed(5), height: fixed(3) } }),
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open("dot", {
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floating: {
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x: 0,
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y: 0,
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attachTo: ATTACH_TO_PARENT,
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attachPoints: { element: LEFT_TOP, parent: RIGHT_TOP } as never,
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},
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}),
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text("X"),
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close(),
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close(),
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]);
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// pins: float's left edge sits at parent.x(0) + parent.width(5) = 5
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expect(res.info.get("dot")!.bounds.x).toBe(5);
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});
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it("keeps the parent corner independent of the element corner", async () => {
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let term = await createTerm({ width: 10, height: 3 });
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// element RIGHT_TOP, parent RIGHT_TOP: the float's right edge attaches to
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// the parent's right edge, so its left edge lands at parent.width - 1 = 4.
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let res = term.render([
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open("box", { layout: { width: fixed(5), height: fixed(3) } }),
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open("dot", {
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floating: {
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x: 0,
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y: 0,
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attachTo: ATTACH_TO_PARENT,
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attachPoints: { element: RIGHT_TOP, parent: RIGHT_TOP } as never,
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},
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}),
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text("X"),
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close(),
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close(),
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]);
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// pins: element RIGHT_TOP onto parent RIGHT_TOP -> dot.x = 5 - 1 = 4
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expect(res.info.get("dot")!.bounds.x).toBe(4);
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});
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});