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master @ 38 LINES
 
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import { describe, expect, it } from "vitest";
import { layoutTimeline } from "./Timeline";
import { G, len } from "../../lib/ascii";

const E = (date: string, title: string, desc?: string) => ({ date, title, desc });

describe("layoutTimeline", () => {
  it("opens the spine with ┬ and continues with ┼", () => {
    const rows = layoutTimeline([E("2026-01-01", "A"), E("2026-01-02", "B"), E("20
26-01-03", "C")], 48);
    const junctions = rows.filter((r) => !r.soft).map((r) => [...r.prefix][12]);
    expect(junctions).toEqual([G.TJ, G.X, G.X]);
  });

  it("renders a lone entry without a spine", () => {
    const rows = layoutTimeline([E("2026-01-01", "ONLY")], 48);
    expect(rows).toHaveLength(1);
    expect(rows[0].prefix).toContain(`${G.H}${G.H}${G.H}`);
  });

  it("aligns the rail under the junction", () => {
    const rows = layoutTimeline([E("2026-01-01", "A", "some detail"), E("2026-01-0
2", "B")], 48);
    const jCol = [...rows[0].prefix].indexOf(G.TJ);
    expect([...rows[1].prefix].indexOf(G.V)).toBe(jCol);
  });

  it("wraps descriptions inside the frame", () => {
    const rows = layoutTimeline([E("2026-01-01", "A", "word ".repeat(30).trim()), 
E("2026-01-02", "B")], 48);
    for (const r of rows) expect(len(r.prefix + r.text)).toBeLessThanOrEqual(48);
    expect(rows.filter((r) => r.soft && r.text).length).toBeGreaterThan(1);
  });

  it("truncates overlong titles with an ellipsis", () => {
    const rows = layoutTimeline([E("2026-01-01", "x".repeat(80)), E("2026-01-02", 
"B")], 48);
    expect(rows[0].text.endsWith("...")).toBe(true);
    expect(len(rows[0].prefix + rows[0].text)).toBeLessThanOrEqual(48);
  });
});


import { describe, expect, it } from "vitest
";
import { layoutTimeline } from "./Timeline";
import { G, len } from "../../lib/ascii";

const E = (date: string, title: string, desc
?: string) => ({ date, title, desc });

describe("layoutTimeline", () => {
  it("opens the spine with ┬ and continues w
ith ┼", () => {
    const rows = layoutTimeline([E("2026-01-
01", "A"), E("2026-01-02", "B"), E("2026-01-
03", "C")], 48);
    const junctions = rows.filter((r) => !r.
soft).map((r) => [...r.prefix][12]);
    expect(junctions).toEqual([G.TJ, G.X, G.
X]);
  });

  it("renders a lone entry without a spine",
 () => {
    const rows = layoutTimeline([E("2026-01-
01", "ONLY")], 48);
    expect(rows).toHaveLength(1);
    expect(rows[0].prefix).toContain(`${G.H}
${G.H}${G.H}`);
  });

  it("aligns the rail under the junction", (
) => {
    const rows = layoutTimeline([E("2026-01-
01", "A", "some detail"), E("2026-01-02", "B
")], 48);
    const jCol = [...rows[0].prefix].indexOf
(G.TJ);
    expect([...rows[1].prefix].indexOf(G.V))
.toBe(jCol);
  });

  it("wraps descriptions inside the frame", 
() => {
    const rows = layoutTimeline([E("2026-01-
01", "A", "word ".repeat(30).trim()), E("202
6-01-02", "B")], 48);
    for (const r of rows) expect(len(r.prefi
x + r.text)).toBeLessThanOrEqual(48);
    expect(rows.filter((r) => r.soft && r.te
xt).length).toBeGreaterThan(1);
  });

  it("truncates overlong titles with an elli
psis", () => {
    const rows = layoutTimeline([E("2026-01-
01", "x".repeat(80)), E("2026-01-02", "B")],
 48);
    expect(rows[0].text.endsWith("...")).toB
e(true);
    expect(len(rows[0].prefix + rows[0].text
)).toBeLessThanOrEqual(48);
  });
});

 
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