34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
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import { expect, it } from "vitest";
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import {
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analyzeParsedJavaScriptSemantics,
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analyzeParsedJavaScriptSemanticsSteps,
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} from "./javascriptSemanticAnalysis.js";
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import { parseJavaScriptSource } from "./javascriptSourceParser.js";
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const source = `
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import { readFile } from "node:fs";
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const shared = { token: "TOKEN" };
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export function load(path) {
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return new Promise((resolve) => setTimeout(() => resolve(readFile(path)), 1));
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}
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export const box = { get() { return shared; } };
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box.get().value = process.env.MODE ?? "default";
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`;
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it("yields between semantic phases and returns the synchronous result (#1462)", () => {
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const parsed = parseJavaScriptSource(source, "main.js");
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if (parsed === null) throw new Error("Expected parsed source");
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const steps = analyzeParsedJavaScriptSemanticsSteps(parsed);
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let yields = 0;
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let step = steps.next();
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while (step.done !== true) {
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yields += 1;
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step = steps.next();
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}
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// Every top-level phase and derived collector is a separate step.
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expect(yields).toBeGreaterThanOrEqual(13);
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const reparsed = parseJavaScriptSource(source, "main.js");
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if (reparsed === null) throw new Error("Expected parsed source");
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expect(step.value).toEqual(analyzeParsedJavaScriptSemantics(reparsed));
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});
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