1 files changed, 36 insertions, 19 deletions
diff --git a/.config/rollup.tests.js b/.config/rollup.tests.js
index e524a79..3620149 100644
--- a/.config/rollup.tests.js
+++ b/.config/rollup.tests.js
@@ -1,5 +1,33 @@
-import babel from 'rollup-plugin-babel'
-import multiEntry from 'rollup-plugin-multi-entry'
+import * as pkg from '../package.json'
+import babel from '@rollup/plugin-babel'
+import multiEntry from '@rollup/plugin-multi-entry'
+import resolve from '@rollup/plugin-node-resolve'
+import commonjs from '@rollup/plugin-commonjs'
+
+const getBabelConfig = (targets) => babel({
+  include: ['src/**', 'spec/**/*'],
+  babelHelpers: 'runtime',
+  babelrc: false,
+  presets: [['@babel/preset-env', {
+    modules: false,
+    targets: targets || pkg.browserslist,
+    // useBuildins and plugin-transform-runtime are mutually exclusive
+    // https://github.com/babel/babel/issues/10271#issuecomment-528379505
+    // use babel-polyfills when released
+    useBuiltIns: false,
+    // corejs: 3,
+    bugfixes: true
+  }]],
+  plugins: [
+    ['@babel/plugin-transform-runtime', {
+      corejs: 3,
+      helpers: true,
+      useESModules: true,
+      version: "^7.9.6",
+      regenerator: false
+    }]
+  ]
+})
 
 export default {
   input: [
@@ -9,24 +37,13 @@ export default {
   output: {
     file: 'spec/es5TestBundle.js',
     name: 'SVGTests',
-    sourceMap: true,
-    format: 'iife'
+    format: 'iife',
   },
   plugins: [
-    babel({
-      include: 'src/**',
-      runtimeHelpers: true,
-      babelrc: false,
-      presets: [['@babel/preset-env', {
-        modules: false
-      }]]
-      // plugins: [["@babel/plugin-transform-runtime", {
-      //   corejs: false,
-      //   helpers: true,
-      //   regenerator: true,
-      //   useESModules: true
-      // }]]
-    }),
+    resolve({ browser: true }),
+    commonjs(),
+    getBabelConfig(),
     multiEntry()
-  ]
+  ],
+  external: ['@babel/runtime', '@babel/runtime-corejs3']
 }