1 files changed, 11 insertions, 15 deletions
diff --git a/vendor/twbs/bootstrap/build/rollup.config.js b/vendor/twbs/bootstrap/build/rollup.config.js
index e81a07ef5..6294204cd 100644
--- a/vendor/twbs/bootstrap/build/rollup.config.js
+++ b/vendor/twbs/bootstrap/build/rollup.config.js
@@ -1,24 +1,20 @@
 'use strict'
 
-const path    = require('path')
-const babel   = require('rollup-plugin-babel')
-const resolve = require('rollup-plugin-node-resolve')
-const banner  = require('./banner.js')
+const path = require('path')
+const { babel } = require('@rollup/plugin-babel')
+const { nodeResolve } = require('@rollup/plugin-node-resolve')
+const banner = require('./banner.js')
 
-const BUNDLE  = process.env.BUNDLE === 'true'
+const BUNDLE = process.env.BUNDLE === 'true'
 
-let fileDest  = 'bootstrap.js'
+let fileDest = 'bootstrap.js'
 const external = ['jquery', 'popper.js']
 const plugins = [
   babel({
-    exclude: 'node_modules/**', // Only transpile our source code
-    externalHelpersWhitelist: [ // Include only required helpers
-      'defineProperties',
-      'createClass',
-      'inheritsLoose',
-      'defineProperty',
-      'objectSpread'
-    ]
+    // Only transpile our source code
+    exclude: 'node_modules/**',
+    // Include the helpers in the bundle, at most one copy of each
+    babelHelpers: 'bundled'
   })
 ]
 const globals = {
@@ -31,7 +27,7 @@ if (BUNDLE) {
   // Remove last entry in external array to bundle Popper
   external.pop()
   delete globals['popper.js']
-  plugins.push(resolve())
+  plugins.push(nodeResolve())
 }
 
 module.exports = {