Update rollup plugins (#296)

package.json

@@ -36,7 +36,10 @@
         "@babel/preset-env": "^7.8.4",
         "@babel/preset-flow": "^7.8.3",
         "@babel/register": "^7.8.3",
+        "@rollup/plugin-babel": "^5.0.3",
+        "@rollup/plugin-commonjs": "^13.0.0",
         "@rollup/plugin-json": "^4.0.3",
+        "@rollup/plugin-node-resolve": "^8.0.1",
         "adler-32": "^1.2.0",
         "ancesdir": "^2.0.0",
         "babel-eslint": "^10.0.3",
@@ -60,10 +63,7 @@
         "pretty-quick": "^2.0.0",
         "rollup": "^2.0.6",
         "rollup-plugin-analyzer": "^3.1.2",
-        "rollup-plugin-babel": "^4.3.3",
-        "rollup-plugin-babel-minify": "^10.0.0",
-        "rollup-plugin-commonjs": "^10.1.0",
-        "rollup-plugin-node-resolve": "^5.2.0",
+        "rollup-plugin-terser": "^6.1.0",
         "rollup-plugin-visualizer": "^4.0.1"
     },
     "resolutions": {

rollup.config.js

@@ -1,10 +1,11 @@
-import resolve from "rollup-plugin-node-resolve";
-import babel from "rollup-plugin-babel";
-import commonjs from "rollup-plugin-commonjs";
-import minify from "rollup-plugin-babel-minify";
+import babel from "@rollup/plugin-babel";
+import commonjs from "@rollup/plugin-commonjs";
+import json from "@rollup/plugin-json";
+import resolve from "@rollup/plugin-node-resolve";
+
 import analyzer from "rollup-plugin-analyzer";
+import {terser} from "rollup-plugin-terser";
 import visualizer from "rollup-plugin-visualizer";
-import json from "@rollup/plugin-json";
 
 const getOptionalPlugins = () => {
     if (process.env.NODE_ENV === "CI") {
@@ -34,13 +35,13 @@ export default {
         json(),
         resolve({preferBuiltins: true}),
         babel({
+            babelHelpers: "bundled",
             exclude: "node_modules/**", // only transpile our source code
         }),
         commonjs({
             sourceMap: false,
-            namedExports: {"promise.prototype.finally": ["shim"]},
         }),
-        minify({comments: false, sourceMap: false, mangle: false}),
+        terser(),
         ...getOptionalPlugins(),
     ],
 };