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@nakamura196/ethers-i18n

v0.1.0

Published

Internationalization plugin for ethers.js error messages

Readme

ethers-i18n

Internationalization (i18n) plugin for ethers.js error messages.

ethers.js のエラーメッセージを多言語化するプラグイン。

Features

  • Non-breaking: works alongside existing ethers.js
  • Easy to add new languages
  • TypeScript support
  • Currently supports: English, Japanese (日本語), Korean (한국어, stub), Chinese (中文, stub)

Installation

npm install ethers-i18n ethers

Usage

import { ethers } from "ethers";
import { setLocale, wrapProvider } from "ethers-i18n";

// ロケールを日本語に設定
setLocale("ja");

// プロバイダーをラップ
const provider = wrapProvider(ethers.getDefaultProvider("mainnet"));

// エラーが日本語で表示される
try {
  await provider.getBalance("invalid-address");
} catch (e) {
  console.error(e.message);
  // "無効なアドレスです: invalid-address"
}

Supported Error Codes

| Error Code | English | 日本語 | |-----------|---------|--------| | INVALID_ARGUMENT | invalid argument | 無効な引数です | | MISSING_ARGUMENT | missing argument | 引数が不足しています | | UNEXPECTED_ARGUMENT | unexpected argument | 予期しない引数です | | CALL_EXCEPTION | call exception | コントラクト呼び出しに失敗しました | | INSUFFICIENT_FUNDS | insufficient funds | 残高が不足しています | | NETWORK_ERROR | network error | ネットワークエラーが発生しました | | SERVER_ERROR | server error | サーバーエラーが発生しました | | TIMEOUT | timeout | タイムアウトしました | | NONCE_EXPIRED | nonce expired | ノンスが期限切れです | | UNPREDICTABLE_GAS_LIMIT | unpredictable gas limit | ガスリミットを推定できません |

Adding a New Language

// src/locales/fr.ts
import { LocaleMessages } from "../types";

export const fr: LocaleMessages = {
  INVALID_ARGUMENT: "argument invalide",
  MISSING_ARGUMENT: "argument manquant",
  // ...
};

License

MIT