Remove dependency on Babel, publish as an ES module

.gitignore

@@ -1,4 +1,4 @@
 # A package should not include its node_modules folder in the repo; applications should
 node_modules
 dist
-src/*.po.json
+src/*.po.js

package.json

@@ -1,9 +1,14 @@
 {
   "name": "@hebcal/locales",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "description": "Translations for Hebcal events in multiple languages",
-  "main": "dist/index.js",
+  "main": "dist/index.cjs",
   "module": "dist/index.mjs",
+  "type": "module",
+  "exports": {
+    "import": "./dist/index.mjs",
+    "require": "./dist/index.cjs"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/hebcal/hebcal-locales.git"
@@ -15,35 +20,26 @@
   },
   "homepage": "https://github.com/hebcal/hebcal-locales#readme",
   "dependencies": {
-    "@hebcal/core": "^5.0.0-rc2"
+    "@hebcal/core": "^5.0.3"
   },
   "files": [
     "dist"
   ],
   "scripts": {
     "build:rollup": "rollup -c",
-    "po2json": "node ./po2json.js po/*.po",
-    "po2golang": "node ./po2golang.js ../hebcal-es6/po/ashkenazi.po ../hebcal-es6/po/he.po ../hebcal-learning/po/*.po po/*.po",
+    "po2json": "node ./po2json.cjs po/*.po",
+    "po2golang": "node ./po2golang.cjs ../hebcal-es6/po/ashkenazi.po ../hebcal-es6/po/he.po ../hebcal-learning/po/*.po po/*.po",
     "build": "npm run po2json && npm run build:rollup",
     "prepublish": "npm run build",
     "test": "ava"
   },
-  "ava": {
-    "require": [
-      "@babel/register"
-    ]
-  },
   "devDependencies": {
-    "@babel/core": "^7.23.3",
-    "@babel/preset-env": "^7.23.3",
-    "@babel/register": "^7.22.15",
-    "@rollup/plugin-babel": "^6.0.4",
-    "@rollup/plugin-json": "^6.0.1",
+    "@rollup/plugin-json": "^6.1.0",
     "@rollup/plugin-terser": "^0.4.4",
-    "ava": "^5.3.1",
-    "eslint": "^8.54.0",
+    "ava": "^6.0.1",
+    "eslint": "^8.56.0",
     "eslint-config-google": "^0.14.0",
-    "rollup": "^4.5.1",
-    "ttag-cli": "^1.10.9"
+    "rollup": "^4.9.1",
+    "ttag-cli": "^1.10.10"
   }
 }

po2json.js → po2json.cjs

@@ -5,7 +5,7 @@ const parser = require('ttag-cli/dist/src/lib/parser');
 const utils = require('ttag-cli/dist/src/lib/utils');
 
 for (const arg of process.argv.slice(2)) {
-  const outpath = './src/' + path.basename(arg) + '.json';
+  const outpath = './src/' + path.basename(arg) + '.js';
   console.log(`${arg} => ${outpath}`);
   writePoFile(arg, outpath, false);
 }
@@ -23,6 +23,7 @@ function writePoFile(inpath, outpath, nostrip) {
     }
   }
   const outstream = fs.createWriteStream(outpath, {flags: 'w'});
+  outstream.write('export default ');
   outstream.write(JSON.stringify(utils.convert2Compact(poData), null, 0));
   outstream.end();
 }

rollup.config.js → rollup.config.cjs

@@ -1,4 +1,3 @@
-const babel = require('@rollup/plugin-babel');
 const json = require('@rollup/plugin-json');
 const terser = require('@rollup/plugin-terser');
 const pkg = require('./package.json');
@@ -13,18 +12,6 @@ module.exports = [
     ],
     plugins: [
       json({compact: true, preferConst: true}),
-      babel({
-        babelHelpers: 'bundled',
-        presets: [
-          ['@babel/preset-env', {
-            modules: false,
-            targets: {
-              node: '16.0.0',
-            },
-          }],
-        ],
-        exclude: ['node_modules/**'],
-      }),
     ],
     external: ['@hebcal/core'],
   },
@@ -35,18 +22,6 @@ module.exports = [
     ],
     plugins: [
       json({compact: true, preferConst: true}),
-      babel({
-        babelHelpers: 'bundled',
-        presets: [
-          ['@babel/preset-env', {
-            modules: false,
-            targets: {
-              node: '16.0.0',
-            },
-          }],
-        ],
-        exclude: ['node_modules/**'],
-      }),
     ],
     external: ['@hebcal/core'],
   },
@@ -74,23 +49,6 @@ module.exports = [
     ],
     plugins: [
       json({compact: true, preferConst: true}),
-      babel({
-        babelHelpers: 'bundled',
-        presets: [
-          ['@babel/preset-env', {
-            modules: false,
-            targets: {
-              chrome: '103',
-              firefox: '91',
-              edge: '84',
-              safari: '15.6',
-            },
-            useBuiltIns: 'usage',
-            corejs: 3,
-          }],
-        ],
-        exclude: ['node_modules/**'],
-      }),
     ],
     external: ['@hebcal/core'],
   },

src/locale.js

@@ -1,18 +1,18 @@
 /* eslint-disable camelcase */
 import {Locale} from '@hebcal/core';
-import po_de from './de.po.json';
-import po_es from './es.po.json';
-import po_fi from './fi.po.json';
-import po_fr from './fr.po.json';
-import po_hu from './hu.po.json';
-import po_pl from './pl.po.json';
-import po_ru from './ru.po.json';
-import po_ro from './ro.po.json';
-import po_uk from './uk.po.json';
-import po_ashkenazi_litvish from './ashkenazi_litvish.po.json';
-import po_ashkenazi_poylish from './ashkenazi_poylish.po.json';
-import po_ashkenazi_standard from './ashkenazi_standard.po.json';
-import po_ashkenazi_romanian from './ashkenazi_romanian.po.json';
+import po_de from './de.po.js';
+import po_es from './es.po.js';
+import po_fi from './fi.po.js';
+import po_fr from './fr.po.js';
+import po_hu from './hu.po.js';
+import po_pl from './pl.po.js';
+import po_ru from './ru.po.js';
+import po_ro from './ro.po.js';
+import po_uk from './uk.po.js';
+import po_ashkenazi_litvish from './ashkenazi_litvish.po.js';
+import po_ashkenazi_poylish from './ashkenazi_poylish.po.js';
+import po_ashkenazi_standard from './ashkenazi_standard.po.js';
+import po_ashkenazi_romanian from './ashkenazi_romanian.po.js';
 
 Locale.addLocale('de', po_de);
 Locale.addLocale('es', po_es);

src/locale.spec.js

@@ -1,6 +1,6 @@
 import test from 'ava';
 import {HebrewCalendar, Location} from '@hebcal/core';
-import './locale';
+import './locale.js';
 
 test('locale-ru', (t) => {
   const options = {year: 2020, month: 4, locale: 'ru'};