feat(building-rollup): move to @rollup/plugin-babel (#1802)

Move from rollup-plugin-babel to @rollup/plugin-babel

packages/building-rollup/README.md

@@ -215,7 +215,7 @@ Our config creators install a number of rollup plugins by default:
 Basic and SPA config plugins:
 
 - [nodeResolve](https://github.com/rollup/plugins/tree/master/packages/node-resolve#readme)
-- [babel](https://github.com/rollup/rollup-plugin-babel#readme)
+- [babel](https://github.com/rollup/plugins/tree/master/packages/babel#readme)
 - [terser](https://github.com/TrySound/rollup-plugin-terser#readme)
 
 SPA config plugins:

packages/building-rollup/package.json

@@ -66,6 +66,7 @@
     "@open-wc/building-utils": "^2.18.0",
     "@open-wc/rollup-plugin-html": "^1.2.2",
     "@open-wc/rollup-plugin-polyfills-loader": "^1.1.3",
+    "@rollup/plugin-babel": "^5.1.0",
     "@rollup/plugin-node-resolve": "^7.1.1",
     "babel-plugin-bundled-import-meta": "^0.3.2",
     "babel-plugin-template-html-minifier": "^4.0.0",
@@ -74,7 +75,6 @@
     "magic-string": "^0.25.7",
     "parse5": "^5.1.1",
     "regenerator-runtime": "^0.13.3",
-    "rollup-plugin-babel": "^5.0.0-alpha.1",
     "rollup-plugin-terser": "^5.2.0",
     "rollup-plugin-workbox": "^5.0.1",
     "terser": "^4.6.7"

packages/building-rollup/src/createBasicConfig.js

@@ -3,7 +3,7 @@
 /* eslint-disable no-param-reassign */
 const resolve = require('@rollup/plugin-node-resolve');
 const { terser } = require('rollup-plugin-terser');
-const babel = require('rollup-plugin-babel');
+const { babel, getBabelOutputPlugin } = require('@rollup/plugin-babel');
 const merge = require('deepmerge');
 const {
   createBabelConfigRollupBuild,
@@ -44,7 +44,7 @@ function createBasicConfig(userOptions = {}) {
       dir: opts.outputDir,
       plugins: [
         // build to js supported by modern browsers
-        babel.generated(babelConfigRollupGenerate),
+        getBabelOutputPlugin(babelConfigRollupGenerate),
         // create babel-helpers chunk based on es5 build
         bundledBabelHelpers({ minify: !developmentMode }),
       ],
@@ -84,11 +84,11 @@ function createBasicConfig(userOptions = {}) {
         assetFileNames: `nomodule-${assetName}`,
         plugins: [
           // buid to es5
-          babel.generated(babelConfigLegacyRollupGenerate),
+          getBabelOutputPlugin(babelConfigLegacyRollupGenerate),
           // create babel-helpers chunk based on es5 build
           bundledBabelHelpers({ format: 'system', minify: !developmentMode }),
           // build to systemjs after helpers, so that helpers can be statically analyzed
-          babel.generated(babelConfigSystemJs),
+          getBabelOutputPlugin(babelConfigSystemJs),
         ],
       },
     ];

yarn.lock

@@ -2584,16 +2584,16 @@
   integrity sha512-BONpjHcGX2zFa9mfnwBCLEmlDsOHzT+j6Qt1yfK3MzFXFtAykfzFjAgaxPetu0YbBlCfXuMlfxI4vlRGCGMvFg==
 
 "@open-wc/testing-karma-bs@file:./packages/testing-karma-bs":
-  version "1.3.85"
+  version "1.3.87"
   dependencies:
-    "@open-wc/testing-karma" "^4.0.0"
+    "@open-wc/testing-karma" "^4.0.2"
     "@types/node" "^11.13.0"
     karma-browserstack-launcher "^1.0.0"
 
 "@open-wc/testing-karma@file:./packages/testing-karma":
-  version "4.0.0"
+  version "4.0.2"
   dependencies:
-    "@open-wc/karma-esm" "^3.0.0"
+    "@open-wc/karma-esm" "^3.0.2"
     "@types/karma" "^5.0.0"
     "@types/karma-coverage-istanbul-reporter" "^2.1.0"
     "@types/karma-mocha" "^1.3.0"
@@ -2619,6 +2619,14 @@
     prop-types "^15.6.1"
     react-lifecycles-compat "^3.0.4"
 
+"@rollup/plugin-babel@^5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-babel/-/plugin-babel-5.1.0.tgz#ad8b5803fa6e1feb0f168984edc040b90d966450"
+  integrity sha512-zXBEYmfiLAMvB+ZBa6m/q9hsQYAq1sUFdjuP1F6C2pf6uQcpHwAWQveZgzS63zXdKPUYHD3Dr7BhjCqcr0bbLw==
+  dependencies:
+    "@babel/helper-module-imports" "^7.7.4"
+    "@rollup/pluginutils" "^3.0.8"
+
 "@rollup/plugin-commonjs@^11.1.0":
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-11.1.0.tgz#60636c7a722f54b41e419e1709df05c7234557ef"