yarn-spinner-runner-ts/dist/tests/story_end.test.js

TypeScript parser, compiler, and runtime for Yarn Spinner 3.x with React adapter [NPM package](https://www.npmjs.com/package/yarn-spinner-runner-ts)

import { test } from "node:test";
import { ok, strictEqual } from "node:assert";
import { parseYarn, compile, YarnRunner } from "../index.js";
test("onStoryEnd receives variables snapshot", () => {
    const script = `
title: Start
---
Narrator: Beginning
<<set $score = 42>>
Narrator: Done
===
`;
    let payload;
    const doc = parseYarn(script);
    const ir = compile(doc);
    const runner = new YarnRunner(ir, {
        startAt: "Start",
        onStoryEnd: (info) => {
            payload = info;
        },
    });
    let result = runner.currentResult;
    ok(result && result.type === "text");
    runner.advance();
    result = runner.currentResult;
    ok(result && result.type === "command");
    runner.advance();
    result = runner.currentResult;
    ok(result && result.type === "text");
    runner.advance();
    result = runner.currentResult;
    ok(result && result.isDialogueEnd === true);
    strictEqual(payload?.storyEnd, true);
    const variables = payload?.variables ?? {};
    strictEqual(variables["score"], 42);
});
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