eslint-plugin-vue-i18n

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@intlify/vue-i18n/no-duplicate-keys-in-locale ​

disallow duplicate localization keys within the same locale

If you manage localization messages in multiple files, duplicate localization keys across multiple files can cause unexpected problems.

📖 Rule Details ​

This rule reports duplicate localization keys within the same locale.

👎 Examples of incorrect code for this rule:

locale messages:

  • en.1.json
json
/* eslint @intlify/vue-i18n/no-duplicate-keys-in-locale: 'error' */

// ✗ BAD
{
  "hello": "Hello! DIO!", // duplicate.
  "hello": "Hello! DIO!", // duplicate.
  "good-bye": "Good bye! DIO!"
}
  • en.2.json
json
/* eslint @intlify/vue-i18n/no-duplicate-keys-in-locale: 'error' */

// ✗ BAD
{
  "good-bye": "Good bye! DIO!" // This same key exists in `en.1.json`.
}

👍 Examples of correct code for this rule:

locale messages:

  • en.1.json
json
/* eslint @intlify/vue-i18n/no-duplicate-keys-in-locale: 'error' */

// ✓ GOOD
{
  "hello": "Hello! DIO!",
  "hi": "Hi! DIO!"
}
  • en.2.json
json
/* eslint @intlify/vue-i18n/no-duplicate-keys-in-locale: 'error' */

// ✓ GOOD
{
  "good-bye": "Good bye! DIO!"
}

⚙️ Options ​

json
{
  "@intlify/vue-i18n/no-duplicate-keys-in-locale": [
    "error",
    {
      "ignoreI18nBlock": false
    }
  ]
}
  • ignoreI18nBlock: If true, do not report key duplication between <i18n> blocks and other files, it set to false as default.

🚀 Version ​

This rule was introduced in @intlify/eslint-plugin-vue-i18n v0.9.0

🔍 Implementation ​