Build updates (#1769)

package.json

@@ -137,7 +137,7 @@
     "format": "prettier \"{,**/}*.{ts,tsx,mts,js,json,md}\" --check",
     "format:fix": "prettier \"{,**/}*.{ts,tsx,mts,js,json,md}\" --write",
     "copy": "cp-cli ./dist/umd/react-i18next.min.js ./react-i18next.min.js && cp-cli ./dist/umd/react-i18next.js ./react-i18next.js && echo '{\"type\":\"module\"}' > dist/es/package.json",
-    "build:es": "cross-env BABEL_ENV=jsnext babel src --out-dir dist/es",
+    "build:es": "cross-env BABEL_ENV=ESNext babel src --out-dir dist/es",
     "build:cjs": "babel src --out-dir dist/commonjs",
     "build:umd": "rollup -c rollup.config.mjs --format umd && rollup -c rollup.config.mjs --format umd --uglify",
     "build:amd": "rollup -c rollup.config.mjs --format amd && rollup -c rollup.config.mjs --format amd --uglify",

src/Translation.js

@@ -1,7 +1,6 @@
 import { useTranslation } from './useTranslation.js';
 
-export function Translation(props) {
-  const { ns, children, ...options } = props;
+export const Translation = ({ ns, children, ...options }) => {
   const [t, i18n, ready] = useTranslation(ns, options);
 
   return children(
@@ -12,4 +11,4 @@ export function Translation(props) {
     },
     ready,
   );
-}
+};

src/utils.js

@@ -1,22 +1,20 @@
-// Do not use arrow function here as it will break optimizations of arguments
-export function warn(...args) {
+export const warn = (...args) => {
   if (console && console.warn) {
     if (isString(args[0])) args[0] = `react-i18next:: ${args[0]}`;
     console.warn(...args);
   }
-}
+};
 
 const alreadyWarned = {};
-// Do not use arrow function here as it will break optimizations of arguments
-export function warnOnce(...args) {
+export const warnOnce = (...args) => {
   if (isString(args[0]) && alreadyWarned[args[0]]) return;
   if (isString(args[0])) alreadyWarned[args[0]] = new Date();
   warn(...args);
-}
+};
 
 // not needed right now
 //
-// export function deprecated(...args) {
+// export const deprecated = (...args) => {
 //   if (process && process.env && (!process.env.NODE_ENV || process.env.NODE_ENV === 'development')) {
 //     if (isString(args[0])) args[0] = `deprecation warning -> ${args[0]}`;
 //     warnOnce(...args);

tsconfig.json

@@ -2,11 +2,11 @@
   "exclude": ["example/**/*"],
 
   "compilerOptions": {
-    "module": "commonjs",
-    "target": "es5",
-    "lib": ["es6", "dom"],
+    "module": "ESNext",
+    "target": "ES2020",
+    "lib": ["ES2020", "dom"],
     "jsx": "react",
-    "moduleResolution": "node",
+    "moduleResolution": "bundler",
     "forceConsistentCasingInFileNames": true,
     "strict": true,
     "noEmit": true,