Rollup and some other dependencies are upgarded.

CHANGELOG.md

@@ -1,8 +1,7 @@
 ## Changelog
 
-### 4.0.1 (2020-08-25)
-
-- TypeScript support is added via new TypeScript definitions file.
+- TypeScript support is added via new TypeScript definitions file (#71).
+- Rollup and some other dependencies are upgraded.
 
 ### 4.0.0 (2020-01-21)
 

package.json

@@ -41,29 +41,28 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "@babel/cli": "^7.8.3",
-    "@babel/core": "^7.8.3",
-    "@babel/plugin-proposal-class-properties": "^7.8.3",
-    "@babel/plugin-proposal-json-strings": "^7.8.3",
+    "@babel/cli": "^7.11.6",
+    "@babel/core": "^7.11.6",
+    "@babel/plugin-proposal-class-properties": "^7.10.4",
+    "@babel/plugin-proposal-json-strings": "^7.10.4",
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
-    "@babel/plugin-syntax-import-meta": "^7.8.3",
-    "@babel/preset-env": "^7.8.3",
-    "@babel/register": "^7.8.3",
-    "chokidar": "^3.3.1",
-    "copyfiles": "^2.2.0",
-    "coveralls": "^3.0.9",
-    "cross-env": "^6.0.3",
-    "eslint": "^6.8.0",
-    "eslint-config-airbnb-base": "^14.0.0",
-    "eslint-plugin-import": "^2.20.0",
+    "@babel/plugin-syntax-import-meta": "^7.10.4",
+    "@babel/preset-env": "^7.11.5",
+    "@babel/register": "^7.11.5",
+    "@rollup/plugin-babel": "^5.2.1",
+    "chokidar": "^3.4.2",
+    "copyfiles": "^2.3.0",
+    "coveralls": "^3.1.0",
+    "cross-env": "^7.0.2",
+    "eslint": "^7.9.0",
+    "eslint-config-airbnb-base": "^14.2.0",
+    "eslint-plugin-import": "^2.22.0",
     "glob": "^7.1.6",
-    "jest": "^24.9.0",
-    "prepend-file": "^1.3.1",
-    "rimraf": "^3.0.0",
-    "rollup": "^1.29.1",
-    "rollup-plugin-babel": "^4.3.3",
-    "rollup-plugin-uglify": "^6.0.4",
-    "uglify-es": "^3.3.9"
+    "jest": "^26.4.2",
+    "prepend-file": "^2.0.0",
+    "rimraf": "^3.0.2",
+    "rollup": "^2.26.11",
+    "rollup-plugin-terser": "^7.0.2"
   },
   "homepage": "https://github.com/shashwatak/satellite-js",
   "directories": {

rollup.config.es.js

@@ -1,4 +1,4 @@
-import babel from 'rollup-plugin-babel';
+import babel from '@rollup/plugin-babel';
 
 export default {
   input: 'src/index.js',

rollup.config.js

@@ -1,6 +1,5 @@
-import babel from 'rollup-plugin-babel';
-import { uglify } from 'rollup-plugin-uglify';
-import { minify } from 'uglify-es';
+import babel from '@rollup/plugin-babel';
+import { terser } from 'rollup-plugin-terser';
 
 const { NODE_ENV } = process.env;
 
@@ -16,7 +15,7 @@ const babelOptions = {
     '@babel/plugin-syntax-dynamic-import',
     '@babel/plugin-syntax-import-meta',
     ['@babel/plugin-proposal-class-properties', { loose: false }],
-    '@babel/plugin-proposal-json-strings'
+    '@babel/plugin-proposal-json-strings',
   ],
   exclude: 'node_modules/**',
 };
@@ -26,7 +25,7 @@ const plugins = [
 ];
 
 if (NODE_ENV === 'production') {
-  plugins.push(uglify({}, minify));
+  plugins.push(terser());
 }
 
 export default {

rollup.watch.es.js

@@ -8,14 +8,12 @@ config.watch = {
 };
 
 const watcher = watch(config);
-watcher.on('event', event => {
+watcher.on('event', (event) => {
   if (event.code === 'START') {
     console.log('Rebuilding package...');
-  }
-  else if (event.code === 'END') {
+  } else if (event.code === 'END') {
     console.log('Package is rebuilt.');
-  }
-  else if (event.code === 'FATAL') {
+  } else if (event.code === 'FATAL') {
     console.log('Fatal error is occurred.');
   }
 });