i18n properties message loader for webpack

When import / require i18n.properties, import all other properties files in the same directory, and output as json.

Usage

npm i message-loader -D

Add message-loader into webpack config.

{
  module: {
    rules: [
      {
        test: /i18n[a-zA-Z_]*\.properties$/,
        use: 'message-loader'
      }
    ]
  }
}

src/i18n/i18n.properties

default properties

hello = 你好
invoice.title = 发票抬头
app.name = 测试 App

src/i18n/i18n_en.properties

hello = hello
invoice.title = invoice title

src/i18n/i18n_fr.properties

fr = fr

src/index.js

import messages from './i18n/i18n.properties';

console.log(messages);

// should output following code
/*

{
  default: {
    hello: '你好',
    'invoice.title': '发票抬头',
    'app.name': '测试 App'
  },
  en: {
    hello: 'hello',
    'invoice.title': 'invoice title',
    'app.name': '测试 App'
  },
  fr: {
    hello: '你好',
    'invoice.title': '发票抬头',
    'app.name': '测试 App',
    fr: 'fr'
  }
}
*/

options

Override default options with following loader config.

{
  test: /message(?:_([a-zA-Z_]+))?\.properties$/,
  use: {
    loader: 'message-loader',
    options: {
      filePattern: /message(?:_([a-zA-Z_]+))?\.properties$/,
      locales: ['en']
    }
  }
}

options.filePattern

default to: /i18n(?:_([a-zA-Z_]+))?\.properties$/.

Means will search following files in the same directory, i18n.properties, i18n_en.properties, i18n_zh_CN.properties, and so on.

when use file name to match pattern, the result at index 1 will be the locale.

options.locales

Should be an array with locale string, e.g. ['en', 'zh_CN'].

Means only specific locale messages will be returned, Notice: default message will be return if exist.