chore: migrate to node.js native test runner

Author: SethFalco

.mocharc.js

@@ -24,7 +24,6 @@ export default [
         "sourceType": "module",
         "globals": {
           "node": true,
-          "mocha": true,
           "es2019": true
         }
       }

eslint.config.mjs

@@ -12,38 +12,37 @@ const axios = require('axios');
  * @param {string} lang Language/locale code.
  * @returns {Promise<void>} A promise when the operation is completed.
  */
-exports.download = (loc, lang) => {
+exports.download = async (loc, lang) => {
   // If the lang is english then keep the url simple, otherwise add language.
   const suffix = (lang === 'en' ? '' : '.' + lang);
   const url = config.get().repositoryBase + suffix + '.zip';
   const folderName = path.join(loc, 'pages' + suffix);
-  const REQUEST_TIMEOUT = 10000;
+  const REQUEST_TIMEOUT = 120000;
 
-  return axios({
+  const response = await axios({
     method: 'get',
     url: url,
     responseType: 'stream',
-    headers: { 'User-Agent' : 'tldr-node-client' },
+    headers: { 'User-Agent': 'tldr-node-client' },
     timeout: REQUEST_TIMEOUT,
-  }).then((response) => {
-    return new Promise((/** @type {(v?: never) => void} */ resolve, reject) => {
-      let fileName = path.join(loc, 'download_' + lang + '.zip');
+  });
 
-      const writer = fs.createWriteStream(fileName);
-      response.data.pipe(writer);
+  let fileName = path.join(loc, 'download_' + lang + '.zip');
+  const writer = fs.createWriteStream(fileName);
 
-      writer.on('finish', () => {
-        writer.end();
-        const zip = new unzip(fileName);
+  const promise = new Promise((/** @type {(v?: never) => void} */ resolve, reject) => {
+    writer.on('finish', () => {
+      writer.end();
+      const zip = new unzip(fileName);
 
-        zip.extractAllTo(folderName, true);
-        fs.unlinkSync(fileName);
-        resolve();
-      }).on('error', (err) => {
-        reject(err);
-      });
+      zip.extractAllTo(folderName, true);
+      fs.unlinkSync(fileName);
+      resolve();
+    }).on('error', (err) => {
+      reject(err);
     });
-  }).catch((err) => {
-    return Promise.reject(err);
   });
+
+  response.data.pipe(writer);
+  return promise;
 };