yarn-spinner-runner-ts/dist/tests/nodes_lines.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 { strictEqual, ok } from "node:assert";
import { parseYarn, compile, YarnRunner } from "../index.js";
test("nodes and lines delivery", () => {
    const script = `
title: Start
---
Narrator: Line one
Narrator: Line two
===
`;
    const doc = parseYarn(script);
    const ir = compile(doc);
    const runner = new YarnRunner(ir, { startAt: "Start" });
    strictEqual(runner.currentResult?.type, "text", "Expected first result to be text");
    strictEqual(runner.currentResult?.text.includes("Line one"), true, "Expected 'Line one'");
    runner.advance();
    strictEqual(runner.currentResult?.type, "text", "Should still be text");
    strictEqual(runner.currentResult?.text.includes("Line two"), true, "Expected 'Line two'");
    runner.advance();
    strictEqual(runner.currentResult?.isDialogueEnd, true, "Expected dialogue end after lines");
});
test("markup parsing propagates to runtime", () => {
    const script = `
title: Start
---
Narrator: Plain [b]bold[/b] [wave speed=2]custom[/wave]
===
  `;
    const doc = parseYarn(script);
    const ir = compile(doc);
    const runner = new YarnRunner(ir, { startAt: "Start" });
    const result = runner.currentResult;
    ok(result && result.type === "text", "Expected text result with markup");
    ok(result?.markup, "Expected markup data to be present");
    const markup = result.markup;
    strictEqual(markup.text, "Plain bold custom");
    const boldSegment = markup.segments.find((segment) => segment.wrappers.some((wrapper) => wrapper.name === "b" && wrapper.type === "default"));
    ok(boldSegment, "Expected bold segment");
    strictEqual(markup.text.slice(boldSegment.start, boldSegment.end), "bold");
    const customSegment = markup.segments.find((segment) => segment.wrappers.some((wrapper) => wrapper.name === "wave" && wrapper.type === "custom"));
    ok(customSegment, "Expected custom segment");
    const waveWrapper = customSegment.wrappers.find((wrapper) => wrapper.name === "wave");
    ok(waveWrapper);
    strictEqual(waveWrapper.properties.speed, 2);
});
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