chore(i18n): cleanup i18n file (#8318)

packages/frontend/i18n/cleanup.mjs

@@ -0,0 +1,74 @@
+// this script is used to clean up the unused keys in the i18n file
+// just run `node packages/frontend/i18n/cleanup.mjs`
+
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import { glob } from 'glob';
+
+const REPO_ROOT = path.resolve(
+  fileURLToPath(import.meta.url),
+  '..',
+  '..',
+  '..',
+  '..'
+);
+
+const files = await glob('packages/frontend/**/src/**/*.{js,tsx,ts}', {
+  ignore: [
+    '**/node_modules/**',
+    '**/packages/frontend/i18n/src/resources/*',
+    '**/dist/**',
+    '**/lib/**',
+  ],
+  cwd: REPO_ROOT,
+  absolute: true,
+});
+
+const filesWithContent = files.map(file => {
+  return {
+    path: file,
+    content: fs.readFileSync(file, 'utf8'),
+  };
+});
+
+const enjson = JSON.parse(
+  fs.readFileSync(
+    path.join(REPO_ROOT, 'packages/frontend/i18n/src/resources/en.json'),
+    'utf8'
+  )
+);
+
+const keys = Object.keys(enjson).filter(
+  // exceptions
+  key => !key.startsWith('com.affine.payment.modal.')
+);
+
+const unusedKeys = keys.filter(key => {
+  const regex1 = new RegExp(`[\`'"]${key.replace('.', '\\.')}[\`'"]`, 'g');
+  // some place use i18n key like `t[`com.affine.modal.${var}`]`
+  // com.affine.modal.confirm -> com.affine.modal.
+  const keyWithoutLastDot = key.replace(/(?<=\.)[^.]+$/, '');
+  const regex2 = new RegExp(
+    `[\`'"]${keyWithoutLastDot.replace('.', '\\.')}`,
+    'g'
+  );
+  for (const file of filesWithContent) {
+    const match = file.content.match(regex1) || file.content.match(regex2);
+    if (match) {
+      return false;
+    }
+  }
+  return true;
+});
+
+for (const key of unusedKeys) {
+  delete enjson[key];
+}
+
+// write back to file
+fs.writeFileSync(
+  path.join(REPO_ROOT, 'packages/frontend/i18n/src/resources/en.json'),
+  JSON.stringify(enjson, null, 2)
+);