Tone.js/test/integration/unpkg/test.mjs

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/**
* @fileoverview Ensure that the unpkg link can be loaded in the browser
*/
import puppeteer from "puppeteer";
import { fileURLToPath } from "url";
import { readFile } from "fs/promises";
import { resolve } from "path";
import assert from "assert";
const __dirname = fileURLToPath(new URL(".", import.meta.url));
const rootDir = resolve(__dirname, "../../../");
const pkg = JSON.parse(
(await readFile(resolve(rootDir, "package.json"))).toString()
);
const browser = await puppeteer.launch();
const page = await browser.newPage();
await page.addScriptTag({
path: resolve(rootDir, pkg.unpkg),
});
const time = await page.evaluate("Tone.now()");
await browser.close();
assert(time >= 0, new Error("did not export a time value"));