build(deps-dev): Bump flat from 5.0.2 to 6.0.1 (#1202)

* build(deps-dev): Bump flat from 5.0.2 to 6.0.1

Bumps [flat](https://github.com/hughsk/flat) from 5.0.2 to 6.0.1.
- [Release notes](https://github.com/hughsk/flat/releases)
- [Commits](hughsk/flat@5.0.2...v6.0.1)

---
updated-dependencies:
- dependency-name: flat
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

* fix: Fixed localization scripts
* chore: migrate node localization scripts to ESM
* chore: remove top-level ESM flag, change scripts extensions to .mjs (#1321)

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: Jose Buitron <[email protected]>
Co-authored-by: Igor Bejnarowicz <[email protected]>

.node-version

@@ -0,0 +1 @@
+20.9.0

package.json

@@ -75,9 +75,9 @@
     "test-debug": "npm run generate-types && react-scripts --inspect-brk test --runInBand --no-cache",
     "test-coverage": "npm run generate-types && react-scripts test --coverage --changedSince=origin/main --watchAll=falsed",
     "analyze": "source-map-explorer 'build/static/js/*.js'",
-    "localization-to-po": "node scripts/localization/transform-to.js po",
-    "localization-to-json": "node scripts/localization/transform-to.js json",
-    "localization-check-missing": "node scripts/localization/missing-check.js",
+    "localization-to-po": "node scripts/localization/transform-to.mjs po",
+    "localization-to-json": "node scripts/localization/transform-to.mjs json",
+    "localization-check-missing": "node scripts/localization/missing-check.mjs",
     "eject": "react-scripts eject"
   },
   "browserslist": [
@@ -101,7 +101,7 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-lodash-fp": "^2.2.0-a1",
     "eslint-plugin-prettier": "^5.0.1",
-    "flat": "^5.0.2",
+    "flat": "^6.0.1",
     "i18next-conv": "^14.0.0",
     "jest-axe": "^8.0.0",
     "plausible-tracker": "^0.3.8",

scripts/localization/missing-check.js → scripts/localization/missing-check.mjs

@@ -15,28 +15,28 @@
  * along with this program. If not, see https://www.gnu.org/licenses/.
  */
 
-const { readFile } = require('fs').promises;
-const path = require('path');
-const flat = require('flat');
-const _ = require('lodash/fp');
+import { readFile } from 'fs/promises';
+import path from 'path';
+import { flatten } from 'flat';
+import _ from 'lodash/fp.js';
 
-const { filesInFolder } = require('./utils');
+import { filesInFolder } from './utils.mjs';
 
 const SOURCE_LOCALE = 'en-US';
 
-const LOCALE_FILES_FOLDER = path.join(
-  __dirname,
-  '../../src/localization/locales/'
+const LOCALE_FILES_FOLDER = new URL(
+  '../../src/localization/locales/',
+  import.meta.url
 );
 
 const getKeys = content => {
   const json = JSON.parse(content);
-  const keys = Object.keys(flat(json));
+  const keys = Object.keys(flatten(json));
   return keys;
 };
 
 const checkMissingKeys = () =>
-  readFile(path.join(LOCALE_FILES_FOLDER, `${SOURCE_LOCALE}.json`))
+  readFile(new URL(`${SOURCE_LOCALE}.json`, LOCALE_FILES_FOLDER))
     // Get source locale keys
     .then(sourceContent => getKeys(sourceContent))
     // Get all locale files
@@ -53,7 +53,7 @@ const checkMissingKeys = () =>
                 return null;
               }
               console.log(
-                `Missing keys for ${path.parse(filePath).name}.`,
+                `Missing keys for ${path.parse(filePath.pathname).name}.`,
                 'Missing:',
                 localeDiff
               );

scripts/localization/transform-to.js → scripts/localization/transform-to.mjs

@@ -15,12 +15,12 @@
  * along with this program. If not, see https://www.gnu.org/licenses/.
  */
 
-const path = require('path');
-const { readFileSync } = require('fs');
-const { writeFile } = require('fs').promises;
-const { i18nextToPo, gettextToI18next } = require('i18next-conv');
+import { readFileSync } from 'fs';
+import { writeFile } from 'fs/promises';
+import path from 'path';
+import { gettextToI18next, i18nextToPo } from 'i18next-conv';
 
-const { filesInFolder } = require('./utils');
+import { filesInFolder } from './utils.mjs';
 
 // Script arguments
 const args = process.argv.slice(2);
@@ -37,14 +37,18 @@ const save = target => result => writeFile(target, result);
 
 // Base transform function
 const transform = (process, from, i18Transform) =>
-  filesInFolder(path.join(__dirname, from))
+  filesInFolder(new URL(from, import.meta.url))
     .then(files => {
-      console.log(`${process} transform starting.`, 'Files:', files);
+      console.log(
+        `${process} transform starting.`,
+        'Files:',
+        files.map(f => f.pathname)
+      );
       return files;
     })
     .then(files =>
       files.map(filePath => {
-        const locale = path.parse(filePath).name;
+        const locale = path.parse(filePath.pathname).name;
         return i18Transform(locale, filePath).then(() => locale);
       })
     )

scripts/localization/utils.js → scripts/localization/utils.mjs

@@ -15,12 +15,9 @@
  * along with this program. If not, see https://www.gnu.org/licenses/.
  */
 
-const { readdir } = require('fs').promises;
-const path = require('path');
+import { readdir } from 'fs/promises';
 
-const filesInFolder = dirname =>
+export const filesInFolder = dirname =>
   readdir(dirname).then(filenames =>
-    filenames.map(filename => path.join(dirname, filename))
+    filenames.map(filename => new URL(filename, dirname))
   );
-
-module.exports = { filesInFolder };