Lingo.dev + .xcstrings (Xcode)

{
  "locale": {
    "source": "en",
    "targets": ["es", "fr", "de", "ja"]
  },
  "buckets": {
    "xcode-xcstrings": {
      "include": ["Resources/Localizable.xcstrings"]
    }
  }
}

npx lingo.dev@latest i18n

{
  "sourceLanguage": "en",
  "strings": {
    "welcome_message": {
      "localizations": {
        "en": {
          "stringUnit": {
            "state": "translated",
            "value": "Welcome to our app!"
          }
        }
      }
    }
  }
}

{
  "item_count": {
    "localizations": {
      "en": {
        "variations": {
          "plural": {
            "zero": {
              "stringUnit": {
                "state": "translated",
                "value": "No items"
              }
            },
            "one": {
              "stringUnit": {
                "state": "translated",
                "value": "%d item"
              }
            },
            "other": {
              "stringUnit": {
                "state": "translated",
                "value": "%d items"
              }
            }
          }
        }
      }
    }
  }
}

"xcode-xcstrings": {
  "include": [
    "Resources/Localizable.xcstrings",
    "Resources/InfoPlist.xcstrings"
  ]
}

"xcode-xcstrings": {
  "include": ["Resources/Localizable.xcstrings"],
  "lockedKeys": ["CFBundleName", "NSHumanReadableCopyright"]
}

{
  "strings": {
    "light_mode": {
      "comment": "UI theme setting - refers to brightness, not weight",
      "localizations": {
        "en": {
          "stringUnit": {
            "state": "translated",
            "value": "Light Mode"
          }
        }
      }
    },
    "records_label": {
      "comment": "Medical context: patient health records, not audio recordings",
      "localizations": {
        "en": {
          "stringUnit": {
            "state": "translated",
            "value": "View Records"
          }
        }
      }
    }
  }
}