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import { describe, expect, it } from "vitest";
import { findRoot } from "./root.js";
describe("root", () => {
it("findRoot returns nearest marker ancestor bounded by cwd", async () => {
const existingFiles = new Set([
"/project/src/components/tsconfig.json",
"/project/tsconfig.json",
]);
const result = await findRoot(
"/project/src/components/widgets",
"/project",
["tsconfig.json"],
async (path) => existingFiles.has(path),
);
expect(result).toBe("/project/src/components");
});
it("falls back to cwd", async () => {
const result = await findRoot(
"/project/src/deep/nested",
"/project",
["tsconfig.json"],
async () => false,
);
expect(result).toBe("/project");
});
it("finds marker at start directory", async () => {
const existingFiles = new Set(["/project/tsconfig.json"]);
const result = await findRoot("/project", "/project", ["tsconfig.json"], async (path) =>
existingFiles.has(path),
);
expect(result).toBe("/project");
});
it("respects cwd boundary", async () => {
const existingFiles = new Set(["/tsconfig.json"]);
const result = await findRoot("/project/src", "/project", ["tsconfig.json"], async (path) =>
existingFiles.has(path),
);
expect(result).toBe("/project");
});
});
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