[core-js-compat] Filter available modules without using an intermedia…

…te set
justillusion · Jul 4, 2019 · c9038b3 · c9038b3
1 parent 1508eb0
commit c9038b3
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/packages/core-js-compat/index.js b/packages/core-js-compat/index.js
@@ -3,7 +3,6 @@ const { coerce, lt, lte } = require('semver');
 const browserslist = require('browserslist');
 const data = require('./data');
 const getModulesListForTargetVersion = require('./get-modules-list-for-target-version');
-const intersection = require('core-js-pure/features/set/intersection');
 const has = Function.call.bind({}.hasOwnProperty);
 
 const mapping = new Map([
@@ -86,7 +85,8 @@ function compat({ targets, filter, version }) {
   else if (typeof filter == 'string') modules = modules.filter(it => it.startsWith(filter));
 
   if (version) {
-    modules = [...intersection(new Set(getModulesListForTargetVersion(version)), new Set(modules))];
+    const availableModules = new Set(getModulesListForTargetVersion(version));
+    modules = modules.filter(name => availableModules.has(name));
   }
 
   modules.forEach(key => {

diff --git a/packages/core-js-compat/package.json b/packages/core-js-compat/package.json
@@ -9,10 +9,10 @@
   "main": "index.js",
   "dependencies": {
     "browserslist": "^4.6.3",
-    "core-js-pure": "3.1.4",
     "semver": "^6.1.3"
   },
   "devDependencies": {
+    "core-js-pure": "3.1.4",
     "detective": "^5.2.0",
     "electron-to-chromium": "^1.3.180",
     "glob": "^7.1.4"