generate indexes of namespaces

.gitignore

@@ -7,6 +7,9 @@ node_modules/
 *.bak
 *.swp
 
+/packages/core-js/es/index.js
+/packages/core-js/features/index.js
+/packages/core-js/stable/index.js
 /packages/core-js/LICENSE
 /packages/core-js-builder/LICENSE
 /packages/core-js-bundle/LICENSE

package.json

@@ -65,7 +65,7 @@
     "url": "https://github.com/zloirock/core-js.git"
   },
   "scripts": {
-    "init": "run-s clean-and-copy bootstrap build-compat",
+    "init": "run-p generate-indexes bootstrap && run-p clean-and-copy build-compat",
     "clean-and-copy": "node scripts/clean-and-copy",
     "bootstrap": "lerna bootstrap --hoist --no-ci && lerna link",
     "build": "run-s init bundle-package",
@@ -78,6 +78,7 @@
     "bundle-helpers": "webpack --entry ./tests/helpers/qunit-helpers.js --output-filename qunit-helpers.js",
     "bundle-tests-global": "webpack --entry ./tests/tests/index.js --output-filename tests.js",
     "bundle-tests-pure": "webpack --entry ./tests/pure/index.js --output-filename pure.js",
+    "generate-indexes": "node scripts/generate-indexes",
     "lint": "run-s init test-lint",
     "test-lint": "eslint ./",
     "test-unit": "run-s test-unit-global test-unit-minified test-unit-pure",

packages/core-js/index.js

@@ -1,6 +1 @@
-require('./es');
-require('./proposals');
-require('./web');
-var path = require('./internals/path');
-
-module.exports = path;
+module.exports = require('./features');

scripts/generate-indexes.js

@@ -0,0 +1,20 @@
+'use strict';
+const { writeFile } = require('fs').promises;
+const compat = require('core-js-compat/src/data');
+
+const modules = Object.keys(compat);
+
+function generate(ns, filter) {
+  return writeFile(`./packages/core-js/${ ns }/index.js`, `${ modules
+    .filter(it => filter.test(it))
+    .map(it => `require('../modules/${ it }');\n`)
+    .join('') }\nmodule.exports = require('../internals/path');\n`);
+}
+
+(async () => {
+  await generate('es', /^es\./);
+  await generate('stable', /^(es|web)\./);
+  await generate('features', /^(es|esnext|web)\./);
+  // eslint-disable-next-line no-console -- output
+  console.log('\u001B[32mindexes generated\u001B[0m');
+})();