Update to Rollup 2.

 - Update Rollup
 - Update plugin-commonjs, plugin-json, plugin-replace, plugin-terser to versions
   officially supporting Rollup 2

package.json

@@ -48,10 +48,10 @@
     "@babel/preset-env": "^7.11.0",
     "@babel/traverse": "^7.11.5",
     "@rollup/plugin-babel": "^5.1.0",
-    "@rollup/plugin-commonjs": "^11.0.0",
-    "@rollup/plugin-json": "^4.0.0",
+    "@rollup/plugin-commonjs": "^15.1.0",
+    "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^9.0.0",
-    "@rollup/plugin-replace": "^2.2.1",
+    "@rollup/plugin-replace": "^2.3.3",
     "@types/jest": "^25.2.1",
     "@typescript-eslint/eslint-plugin": "^2.12.0",
     "@typescript-eslint/parser": "^2.12.0",
@@ -86,9 +86,9 @@
     "prettier": "^1.19.1",
     "progress-estimator": "^0.2.2",
     "regenerator-runtime": "^0.13.7",
-    "rollup": "^1.32.1",
+    "rollup": "^2.28.2",
     "rollup-plugin-sourcemaps": "^0.6.2",
-    "rollup-plugin-terser": "^5.1.2",
+    "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.26.0",
     "sade": "^1.4.2",
     "semver": "^7.1.1",
@@ -122,7 +122,7 @@
     "styled-components": "^5.0.1",
     "tiny-invariant": "^1.1.0",
     "tiny-warning": "^1.0.3",
-    "yarn-deduplicate": "^2.1.1"
+    "yarn-deduplicate": "^3.0.0"
   },
   "husky": {
     "hooks": {

src/createRollupConfig.ts

@@ -202,7 +202,6 @@ export async function createRollupConfig(
       sourceMaps(),
       shouldMinify &&
         terser({
-          sourcemap: true,
           output: { comments: false },
           compress: {
             keep_infinity: true,