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import fetch from "node-fetch";

import fs from "fs";

import path from "path";

import process from "process";

import ts from "typescript";

// Fetch tsWorker for our TypeScript version from the CDN. This is required for the playground

const SCRIPT_URL = `https://typescript.azureedge.net/cdn/${ts.version}/monaco/min/vs/language/typescript/tsWorker.js`;

const TARGET_FILE = path.join("static", "cdn.tsWorker.js");

async function fetchPlaygroundTsWorker() {

const response = await fetch(SCRIPT_URL);

if (response.ok) {

const writeStream = fs.createWriteStream(TARGET_FILE);

await new Promise((resolve, reject) => {

response.body.pipe(writeStream);

response.body.on("error", reject);

writeStream.on("finish", resolve);

});

} else {

throw new Error(

`Failed to fetch TS worker from ${SCRIPT_URL} (${response.status}):\n ${await response.text()}`,

);

}

console.log(`Fetching latest tsWorker for TS ${ts.version}`);

fetchPlaygroundTsWorker()

.then(() => console.log(`Done! Wrote ${TARGET_FILE}`))

.catch((err) => {

console.error(`${err}`);

process.exitCode = 1;

});