Add parcel to reduce the bundle size

Author: Lars Roettig

.gitignore

@@ -12,3 +12,4 @@ test-types.js
 docs/build/
 yarn.lock
 package-lock.json
+.npmrc

package.json

@@ -1,6 +1,5 @@
 {
   "name": "launchdarkly-react-client-sdk",
-  "browserslist": ["last 2 versions", "ie >= 11"],
   "version": "3.0.3",
   "description": "LaunchDarkly SDK for React",
   "author": "LaunchDarkly <[email protected]>",
@@ -26,6 +25,7 @@
     "test": "jest",
     "test:junit": "jest --ci --reporters=default --reporters=jest-junit",
     "build": "parcel build",
+    "build:analyze": "parcel build --reporter @parcel/reporter-bundle-analyzer",
     "lint": "tslint -p tsconfig.json 'src/**/*.ts*'",
     "lint:all": "npm run lint",
     "check-typescript": "tsc",
@@ -41,6 +41,7 @@
   "homepage": "https://github.com/launchdarkly/react-client-sdk",
   "devDependencies": {
     "@parcel/packager-ts": "2.8.3",
+    "@parcel/reporter-bundle-analyzer": "^2.8.3",
     "@parcel/transformer-typescript-types": "2.8.3",
     "@testing-library/jest-dom": "^5.16.4",
     "@testing-library/react": "^13.0.1",
@@ -67,12 +68,27 @@
     "typescript": "^4.5.3"
   },
   "dependencies": {
+    "@swc/helpers": "^0.4.14",
     "hoist-non-react-statics": "^3.3.2",
     "launchdarkly-js-client-sdk": "^3.1.1",
     "lodash.camelcase": "^4.3.0"
   },
   "peerDependencies": {
     "react": "^16.6.3 || ^17.0.0 || ^18.0.0",
     "react-dom": "^16.8.4 || ^17.0.0 || ^18.0.0"
+  },
+  "targets": {
+    "main": {
+      "context": "browser",
+      "outputFormat": "commonjs",
+      "isLibrary": true,
+      "optimize": true,
+      "engines": {
+        "browsers": [
+          "> 0.5%, last 2 versions, not dead",
+          "ie >= 11"
+        ]
+      }
+    }
   }
 }