import { readFileSync } from "node:fs";
import { join } from "node:path";
import { describe, expect, it } from "@suaveplan/testing/runner";

describe("tree-shake", () => {
    it("sideEffects is false", { timeout: 5000 }, () => {
        const pkg = JSON.parse(
            readFileSync(join(__dirname, "..", "package.json"), "utf8")
        ) as { sideEffects?: boolean };
        expect(pkg.sideEffects).toBe(false);
    });

    it("exposes per-primitive subpath exports", { timeout: 5000 }, () => {
        const pkg = JSON.parse(
            readFileSync(join(__dirname, "..", "package.json"), "utf8")
        ) as { exports?: Record<string, unknown> };
        // We have: ., ./init, ./engines, ./engines/aead, ./engines/sign,
        // ./engines/agree, ./engines/sealed-box, ./engines/auth-box,
        // ./primitives/kdf, ./primitives/auth, ./primitives/pwhash,
        // ./primitives/ristretto255, ./errors + ./package.json = 14
        expect(Object.keys(pkg.exports ?? {}).length).toBeGreaterThanOrEqual(
            12
        );
    });
});