Do that

packages/react-json-tree/.eslintignore

@@ -1,3 +1,2 @@
 lib
 umd
-webpack.config.umd.js

packages/react-json-tree/package.json

@@ -10,8 +10,8 @@
     "build": "npm run build:types && npm run build:js",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
-    "build:umd": "rimraf ./umd && webpack --progress --config webpack.config.umd.js",
+    "build:umd": "rimraf ./umd && webpack --progress --config webpack.config.umd.ts",
-    "build:umd:min": "webpack --env.minimize --progress --config webpack.config.umd.js",
+    "build:umd:min": "webpack --env.minimize --progress --config webpack.config.umd.ts",
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
     "lint:fix": "eslint . --ext .js,.jsx,.ts,.tsx --fix",
     "test": "jest",
@@ -51,7 +51,10 @@
     "@babel/preset-env": "^7.3.1",
     "@babel/preset-react": "^7.0.0",
     "@babel/preset-typescript": "^7.9.0",
+    "@types/node": "^13.13.4",
     "@types/react": "^15.0.0 || ^16.0.0",
+    "@types/terser-webpack-plugin": "^2.2.0",
+    "@types/webpack": "^4.41.12",
     "@typescript-eslint/eslint-plugin": "^2.31.0",
     "@typescript-eslint/parser": "^2.31.0",
     "babel-loader": "^8.0.5",
@@ -61,6 +64,7 @@
     "react-test-renderer": "^16.0.0",
     "rimraf": "^2.5.2",
     "terser-webpack-plugin": "^1.2.1",
+    "ts-node": "^8.10.1",
     "typescript": "^3.8.3",
     "webpack": "^4.27.1",
     "webpack-cli": "^3.2.0"

packages/react-json-tree/webpack.config.umd.ts

@@ -1,31 +1,36 @@
-/* eslint-env node */
+import * as path from 'path';
+import * as webpack from 'webpack';
+import TerserPlugin from 'terser-webpack-plugin';
 
-const path = require('path');
+function isMinimizeSet(
-const TerserPlugin = require('terser-webpack-plugin');
+  env: string | Record<string, boolean | number | string>
+) {
+  return (env as { minimize: boolean }).minimize;
+}
 
-module.exports = (env = {}) => ({
+const config: webpack.ConfigurationFactory = (env = {}) => ({
   mode: 'production',
-  entry: {
+  entry: './src/index',
-    app: ['./src/index.tsx']
-  },
   output: {
     library: 'ReactJsonTree',
     libraryTarget: 'umd',
     path: path.resolve(__dirname, 'umd'),
-    filename: env.minimize ? 'react-json-tree.min.js' : 'react-json-tree.js'
+    filename: isMinimizeSet(env)
+      ? 'react-json-tree.min.js'
+      : 'react-json-tree.js'
+  },
+  resolve: {
+    extensions: ['.ts', '.tsx', '.js', '.json']
   },
   module: {
     rules: [
       {
-        test: /\.tsx?$/,
+        test: /\.(ts|js)x?$/,
-        loader: 'babel-loader',
+        exclude: /node_modules/,
-        exclude: /node_modules/
+        loader: 'babel-loader'
       }
     ]
   },
-  resolve: {
-    extensions: ['.js', '.jsx', '.ts', '.tsx']
-  },
   externals: {
     react: {
       root: 'React',
@@ -41,7 +46,7 @@ module.exports = (env = {}) => ({
     }
   },
   optimization: {
-    minimize: !!env.minimize,
+    minimize: isMinimizeSet(env),
     minimizer: [
       new TerserPlugin({
         terserOptions: {
@@ -54,3 +59,5 @@ module.exports = (env = {}) => ({
     hints: false
   }
 });
+
+export default config;

yarn.lock

@@ -2637,7 +2637,7 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
-"@types/node@*", "@types/node@>= 8":
+"@types/node@*", "@types/node@>= 8", "@types/node@^13.13.4":
   version "13.13.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.13.4.tgz#1581d6c16e3d4803eb079c87d4ac893ee7501c2c"
   integrity sha512-x26ur3dSXgv5AwKS0lNfbjpCakGIduWU1DU91Zz58ONRWrIKGunmZBNv4P7N+e27sJkiGDsw/3fT4AtsqQBrBA==
@@ -2680,6 +2680,14 @@
   resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.5.tgz#9adbc12950582aa65ead76bffdf39fe0c27a3c02"
   integrity sha512-/gG2M/Imw7cQFp8PGvz/SwocNrmKFjFsm5Pb8HdbHkZ1K8pmuPzOX4VeVoiEecFCVf4CsN1r3/BRvx+6sNqwtQ==
 
+"@types/terser-webpack-plugin@^2.2.0":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@types/terser-webpack-plugin/-/terser-webpack-plugin-2.2.0.tgz#b1561e3118b9319d80ff65798c345877669b3e12"
+  integrity sha512-ywqEfTm7KdKoX9aYx0zYtiFU1z6IHrIYW9FJqeay2Ea58rTPML1J0hvoztGal2Jow3bkgGKcAmEZNL+8LqUVrA==
+  dependencies:
+    "@types/webpack" "*"
+    terser "^4.3.9"
+
 "@types/uglify-js@*":
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/@types/uglify-js/-/uglify-js-3.9.0.tgz#4490a140ca82aa855ad68093829e7fd6ae94ea87"
@@ -2696,7 +2704,7 @@
     "@types/source-list-map" "*"
     source-map "^0.6.1"
 
-"@types/webpack@^4.41.8":
+"@types/webpack@*", "@types/webpack@^4.41.12", "@types/webpack@^4.41.8":
   version "4.41.12"
   resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.12.tgz#0386ee2a2814368e2f2397abb036c0bf173ff6c3"
   integrity sha512-BpCtM4NnBen6W+KEhrL9jKuZCXVtiH6+0b6cxdvNt2EwU949Al334PjQSl2BeAyvAX9mgoNNG21wvjP3xZJJ5w==
@@ -3272,6 +3280,11 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+  integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -5982,6 +5995,11 @@ diff-sequences@^24.9.0:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-24.9.0.tgz#5715d6244e2aa65f48bba0bc972db0b0b11e95b5"
   integrity sha512-Dj6Wk3tWyTE+Fo1rW8v0Xhwk80um6yFYKbuAxc9c3EZxIHFDYwbi34Uk42u1CdnIiVorvt4RmlSDjIPyzGC2ew==
 
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
@@ -10810,7 +10828,7 @@ make-dir@^2.0.0, make-dir@^2.1.0:
     pify "^4.0.1"
     semver "^5.6.0"
 
-make-error@^1.3.5:
+make-error@^1.1.1, make-error@^1.3.5:
   version "1.3.6"
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
@@ -15191,7 +15209,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.1, source-map-support@^0.5.6, source-map-support@~0.5.12:
+source-map-support@^0.5.1, source-map-support@^0.5.17, source-map-support@^0.5.6, source-map-support@~0.5.12:
   version "0.5.19"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
@@ -15977,7 +15995,7 @@ terser-webpack-plugin@^1.2.1, terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@^4.1.2, terser@^4.6.3:
+terser@^4.1.2, terser@^4.3.9, terser@^4.6.3:
   version "4.6.13"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.13.tgz#e879a7364a5e0db52ba4891ecde007422c56a916"
   integrity sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==
@@ -16219,6 +16237,17 @@ ts-invariant@^0.4.0:
   dependencies:
     tslib "^1.9.3"
 
+ts-node@^8.10.1:
+  version "8.10.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.10.1.tgz#77da0366ff8afbe733596361d2df9a60fc9c9bd3"
+  integrity sha512-bdNz1L4ekHiJul6SHtZWs1ujEKERJnHs4HxN7rjTyyVOFf3HaJ6sLqe6aPG62XTzAB/63pKRh5jTSWL0D7bsvw==
+  dependencies:
+    arg "^4.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
 tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
@@ -17280,6 +17309,11 @@ yauzl@^2.10.0:
     buffer-crc32 "~0.2.3"
     fd-slicer "~1.1.0"
 
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
+  integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==
+
 yup@^0.27.0:
   version "0.27.0"
   resolved "https://registry.yarnpkg.com/yup/-/yup-0.27.0.tgz#f8cb198c8e7dd2124beddc2457571329096b06e7"