refactoring

scripts/bundle-package/bundle-package.mjs

@@ -2,11 +2,16 @@ import { minify } from 'terser';
 import builder from 'core-js-builder';
 import config from 'core-js-builder/config.js';
 
+function namedArg(name, fallback) {
+  const idx = argv._.indexOf(name);
+  return idx === -1 ? fallback : argv._[idx + 1];
+}
+
 const { cyan, green } = chalk;
 const DENO = argv._.includes('deno');
 const ESMODULES = argv._.includes('esmodules');
-const BUNDLED_NAME = argv._.includes('bundled-name') ? argv._[argv._.indexOf('bundled-name') + 1] : 'index';
-const MINIFIED_NAME = argv._.includes('minified-name') ? argv._[argv._.indexOf('minified-name') + 1] : 'minified';
+const BUNDLED_NAME = namedArg('bundled-name', 'index');
+const MINIFIED_NAME = namedArg('minified-name', 'minified');
 const PATH = DENO ? 'deno/corejs/' : 'packages/core-js-bundle/';
 
 function log(kind, name, code) {

scripts/check-compat-data-mapping.mjs

@@ -31,7 +31,7 @@ function modernV8ToChrome(string) {
 }
 
 function latest(array) {
-  return array[array.length - 1];
+  return array.at(-1);
 }
 
 function assert(condition, engine) {

scripts/downloads-by-versions.mjs

@@ -33,12 +33,12 @@ for (let [patch, downloads] of Object.entries(core)) {
 
 function log(kind, map) {
   echo(green(`downloads for 7 days by ${ cyan(kind) } releases:`));
-  console.table(Object.entries(map).toSorted(([a], [b]) => {
+  console.table(Object.fromEntries(Object.entries(map).toSorted(([a], [b]) => {
     return cmp(coerce(a), '>', coerce(b)) ? 1 : -1;
-  }).reduce((memo, [version, downloads]) => {
-    memo[version] = { downloads, '%': `${ (downloads / total * 100).toFixed(2).padStart(5) } %` };
-    return memo;
-  }, {}));
+  }).map(([version, downloads]) => [
+    version,
+    { downloads, '%': `${ (downloads / total * 100).toFixed(2).padStart(5) } %` },
+  ])));
 }
 
 log('patch', downloadsByPatch);

scripts/prepare-monorepo.mjs

@@ -13,14 +13,14 @@ const ignore = new Set([
   'tests/unit-bun',
 ]);
 
-const folders = [''].concat(...await Promise.all([
+const folders = ['', ...(await Promise.all([
   'packages',
   'scripts',
   'tests',
 ].map(async parent => {
   const dir = await readdir(parent);
   return dir.map(name => `${ parent }/${ name }`);
-})));
+}))).flat()];
 
 await Promise.all(folders.map(async folder => {
   if (!ignore.has(folder)) try {

website/build.mjs

@@ -109,10 +109,7 @@ let fileMetadata = {};
 
 function metadata(markdown) {
   const { attributes, body } = fm(markdown);
-  fileMetadata = {};
-  for (const prop of Object.keys(attributes)) {
-    fileMetadata[prop] = attributes[prop];
-  }
+  fileMetadata = { ...attributes };
   return body;
 }
 
@@ -297,8 +294,7 @@ async function build() {
   let currentVersion = '';
   let versionsMenu = '';
   let isChangelog;
-  for (let i = 0; i < mdFiles.length; i++) {
-    const mdPath = mdFiles[i];
+  for (const mdPath of mdFiles) {
     const content = await readFile(mdPath, 'utf8');
     isDocs = mdPath.includes('/docs');
     isChangelog = mdPath.includes('/changelog');
@@ -337,7 +333,7 @@ async function build() {
         anchor.innerHTML = '<svg viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>';
         newHeading.append(anchor);
         newHeading.classList.add('with-anchor');
-        resultHtml = resultHtml.split(heading.outerHTML).join(newHeading.outerHTML);
+        resultHtml = resultHtml.replaceAll(heading.outerHTML, newHeading.outerHTML);
       });
     }