build!: switch from rollup to esbuild to build

BREAKING CHANGE: UMD is no longer exported.

In order to reduce complexity and simplify the build process,
we have switched from rollup to esbuild and only export CJS and ESM versions.

This means that the UMD build is no longer exported.

esbuild.mjs

@@ -0,0 +1,31 @@
+import * as esbuild from 'esbuild';
+import { glob } from 'glob';
+
+const files = glob.sync('src/**/*.{ts,tsx}', {
+  ignore: ['src/examples/**', 'src/**/__tests__/**', 'src/**/*.spec.{ts,tsx}'],
+});
+
+// Exports ESM
+esbuild.build({
+  entryPoints: files,
+  outdir: 'dist/esm',
+  bundle: false,
+  sourcemap: true,
+  splitting: true,
+  platform: 'browser',
+  format: 'esm',
+  target: ['esnext'],
+  minify: true,
+});
+
+// Exports CJS
+esbuild.build({
+  entryPoints: files,
+  outdir: 'dist/cjs',
+  bundle: false,
+  sourcemap: true,
+  platform: 'browser',
+  format: 'cjs',
+  target: ['esnext'],
+  minify: true,
+});

package.json

@@ -2,16 +2,26 @@
   "name": "react-currency-input-field",
   "version": "3.8.0",
   "description": "React <input/> component for formatting currency and numbers.",
+  "sideEffects": false,
   "files": [
     "dist/**/*",
     "src/**/*"
   ],
-  "main": "dist/index.js",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/esm/index.js",
+      "require": "./dist/cjs/index.js"
+    }
+  },
+  "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "homepage": "https://github.com/cchanxzy/react-currency-input-field",
   "scripts": {
-    "build": "rm -rf dist && tsc && rollup -c",
+    "build:types": "tsc",
+    "build:js": "node esbuild.mjs",
+    "build": "rm -rf dist && pnpm build:js && pnpm build:types",
     "start": "parcel src/examples/index.html --open",
     "test": "LANG=en_GB jest",
     "test-ci": "LANG=en_GB.UTF-8 cross-env NODE_ICU_DATA=node_modules/full-icu jest",
@@ -48,9 +58,6 @@
     "@commitlint/cli": "^18.4.3",
     "@commitlint/config-conventional": "^18.4.3",
     "@playwright/test": "^1.40.1",
-    "@rollup/plugin-commonjs": "^19.0.0",
-    "@rollup/plugin-node-resolve": "^13.0.0",
-    "@rollup/plugin-typescript": "^8.2.1",
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
     "@testing-library/dom": "^9.3.3",
@@ -65,13 +72,15 @@
     "@typescript-eslint/parser": "^6.16.0",
     "codecov": "^3.8.3",
     "cross-env": "^7.0.3",
+    "esbuild": "^0.24.0",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.2",
     "eslint-plugin-react": "^7.33.2",
     "eslint-plugin-react-hooks": "^4.6.0",
     "full-icu": "^1.3.4",
     "gh-pages": "^5.0.0",
+    "glob": "^11.0.0",
     "husky": "^8.0.3",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
@@ -81,7 +90,6 @@
     "process": "^0.11.10",
     "react": "^18.2.0",
     "react-dom": "18.2.0",
-    "rollup": "^2.52.7",
     "semantic-release": "^24.2.0",
     "ts-jest": "^29.1.1",
     "ts-node": "^10.9.2",