Convert build scripts to ESM (#38984)

1 files changed, 0 insertions, 57 deletions

diff --git a/build/rollup.config.js b/build/rollup.config.js
deleted file mode 100644
index f01918ebf..000000000
--- a/build/rollup.config.js
+++ /dev/null
@@ -1,57 +0,0 @@
-'use strict'
-
-const path = require('node:path')
-const { babel } = require('@rollup/plugin-babel')
-const { nodeResolve } = require('@rollup/plugin-node-resolve')
-const replace = require('@rollup/plugin-replace')
-const banner = require('./banner.js')
-
-const BUNDLE = process.env.BUNDLE === 'true'
-const ESM = process.env.ESM === 'true'
-
-let fileDestination = `bootstrap${ESM ? '.esm' : ''}`
-const external = ['@popperjs/core']
-const plugins = [
-  babel({
-    // Only transpile our source code
-    exclude: 'node_modules/**',
-    // Include the helpers in the bundle, at most one copy of each
-    babelHelpers: 'bundled'
-  })
-]
-const globals = {
-  '@popperjs/core': 'Popper'
-}
-
-if (BUNDLE) {
-  fileDestination += '.bundle'
-  // Remove last entry in external array to bundle Popper
-  external.pop()
-  delete globals['@popperjs/core']
-  plugins.push(
-    replace({
-      'process.env.NODE_ENV': '"production"',
-      preventAssignment: true
-    }),
-    nodeResolve()
-  )
-}
-
-const rollupConfig = {
-  input: path.resolve(__dirname, `../js/index.${ESM ? 'esm' : 'umd'}.js`),
-  output: {
-    banner: banner(),
-    file: path.resolve(__dirname, `../dist/js/${fileDestination}.js`),
-    format: ESM ? 'esm' : 'umd',
-    globals,
-    generatedCode: 'es2015'
-  },
-  external,
-  plugins
-}
-
-if (!ESM) {
-  rollupConfig.output.name = 'bootstrap'
-}
-
-module.exports = rollupConfig