mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-24 06:14:01 +08:00
Chris Tate
a07998f667
* Expand static three.js workflows and host integration * Preserve JavaScript class state in static three.js workflows * Preserve inferred JavaScript behavior across static workflows * Preserve inferred callables and native compatibility boundaries * Retain annotated JavaScript factory exports and bootstrap-safe call spreads * Preserve Buffer and child callback identities in static packages * Clarify JavaScript symbol spread support
30 lines
1.9 KiB
TypeScript
30 lines
1.9 KiB
TypeScript
import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { expect, test } from "vitest";
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import { analyze } from "../src/index.js";
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test.each([
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["typed listeners", `/** @param {number} value */ function listener(value) { console.log(value); }
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const ee = new EventEmitter(); ee.on('value', listener); ee.emit('value'); ee.emit('value', 1);`, "conflicting argument types"],
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["emit overrides", `class Derived extends EventEmitter { emit(event, ...args) { return super.emit(event, ...args); } }
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const ee = new Derived(); ee.on('value', (value) => console.log(value)); ee.emit('value'); ee.emit('value', 1);`, "variable-arity emit through an EventEmitter subclass overriding emit"],
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["listener arrays", `const ee = new EventEmitter(); ee.on('value', () => {});
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ee.emit('value'); ee.emit('value', 1); console.log(ee.listeners('value'));`, "listeners of the event 'value'"],
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["special error events", `const ee = new EventEmitter(); ee.on('error', (value) => console.log(value)); ee.emit('error');`, "emit('error') with 0 payload arguments"],
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["reserved stream events", `const ee = new EventEmitter(); ee.on('data', (value) => console.log(value));
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ee.emit('data'); ee.emit('data', 1);`, "conflicting argument types"],
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])("keeps named refusals for %s", (_name, source, message) => {
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const dir = mkdtempSync(join(tmpdir(), "scriptc-flex-events-"));
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try {
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const entry = join(dir, "main.cjs");
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writeFileSync(entry, `const { EventEmitter } = require('node:events');\n${source}\n`);
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const { coverage } = analyze(entry, { dynamic: false });
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const diagnostics = [...coverage.diagnostics, ...(coverage.runtimeFences ?? [])];
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expect(diagnostics.some((d) => d.code === "SC2020" && d.message.includes(message!)), JSON.stringify(diagnostics)).toBe(true);
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expect(coverage.stats.statementsIsland).toBe(0);
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} finally {
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rmSync(dir, { recursive: true, force: true });
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}
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});
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