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batch-import

批量加载node.js模块、目录,并转换为对应的JS对象

  • 2.0.0
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  • npm
  • Socket score

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batch-import

批量加载指定目录下node.js模块,并将模块导出结果保存到与模块路径结构一致的对象中

install

  npm install batch-import

使用方法

let batchImport = require('batch-import')

let modules = batchImport(options, container)

参数

  • options.path String - 指定模块加载目录

  • options.contain Array - 仅加载指定模块,不能与exclude同时使用

  • options.exclude Array - 排除指定模块,不能与contain同时使用

  • options.process Function - 模块导出数据处理函数,用于数据检验、预处理等操作。

  • container Object - 指定一个容器用于存放模块导出结果,按照指定顺序加载模块,来解决依赖时序问题(可选)

process函数参数

函数中this指向根容器,按照约定,process函数必须返回包含error和data属性的对象,error用于抛出错误信息,data输出正常结果。

  • filename String - 当前文件名称,不含后缀

  • data * - 模块返回值

示例

let batchImport = require('batch-import')

let modules = batchImport({
   "middleware": {
      "path": "middleware/",
      "exclude": ["test.js"],
   },
   "models": {
      "path": "models/",
      process(filename, func) {
         if (typeof func === 'function') {
            return func(this)
         } else {
            return { error: `模块输出数据类型必须为函数` }
         }
      },
   },
   "controllers": {
      "path": "controllers/",
      "contain": ["_route.js"],
   },
})

注意事项

  • 配置项加载顺序与定义顺序一致,配置越靠前优先级越高

  • path路径以入口文件所在位置作为根路径

  • path路径中不应该出现./、../等相对路径表达式

与1.x版本差异

  • 2.x调整了process函数的入参,参考入参部分

  • 取消process函数必须以{error、data}作为返回值的约定,不再使用模块内代理throw抛出异常,导致不能直接定位到错误

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Package last updated on 23 Jun 2018

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