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wepy-plugin-requireall

v1.0.6

Published

wepy去中心化模块加载插件

Downloads

7

Readme

wepy-plugin-requireall

小程序WePY框架去中心化模块加载插件,主要用于配置中心,路由配置等。如配置中心,通过该插件可以分拆成多个模块,便于管理和维护。在大型项目中非常实用,不用手动引用子模块,总模块导出文件不会产生代码冲突。

一、效果

使用插件前:一个中心配置模块文件:config.js

如下代码,当配置非常多config.js容易引起冲突,管理和维护也非常困难。

export default {
  testA: {
    "name": "testA"
  },
  testB: {
    "name": "testB"
  },
  testC: {
    "name": "testC"
  },
  testD: {
    "name": "testD"
  }
}

使用插件后:

./config
├── index.js
└── sub_modules
    ├── testA.js
    ├── testB.js
    ├── testC.js
    └── testD.js

大家可能说,这个手动拆成多个模块不就可以了。直接修改config/index.js手动importexport。这样话,当sub_modules每增加一个子模块,index.js都要手动引入,而且容易冲突。wepy-plugin-requireall引入后,只要sub_modules有新增子模块,自动修改index.js的包引用和导出。

二、使用方法

1.配置wepy.config.js文件添加plugins配置

  plugins: {
    'requireall': {
      filter: new RegExp('index\\.js$')
    }
  }

可配参数:

{
    src: 'src', //源文件目录
    dist: 'dist', //目标文件目录
    sourceMap: true, //是否开启sourceMap
    filter: new RegExp('\w$'), //文件过滤
    rule: RegExp('\\$BuildRequireAll\\(.+\\)') //匹配规则
};

文件过滤建议严格一样,这样可以提高构建速度。如配置:new RegExp('index\\.js$')index.js的文件才需要使用本插件。

2. 项目总模块文件中添加方法调用

项目模块目录结构:

./config
├── index.js (在此文件添加$BuildRequireAll构建方法)
└── sub_modules
    ├── testA.js
    ├── testB.js
    ├── testC.js
    └── testD.js

项目总模块文件为config/index.js,此文件只需要添加以下构建方法即可。为了防止开发工具报错,可以直接注释

// $BuildRequireAll('./sub_modules', 'js')

支持两个参数:

  • @param path 子模块路径,为降低设计的复杂度,只支持一级目录,不支持多级目录
  • @param fileType [选填]文件类型后缀,子模块文件类型过滤

3. 子模块导出要求:

export default {
  name: 'B'
}

三、构建结果

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.testD = exports.testC = exports.testB = exports.testA = undefined;

var _testA = require('./sub_modules/testA.js');

var _testA2 = _interopRequireDefault(_testA);

var _testB = require('./sub_modules/testB.js');

var _testB2 = _interopRequireDefault(_testB);

var _testC = require('./sub_modules/testC.js');

var _testC2 = _interopRequireDefault(_testC);

var _testD = require('./sub_modules/testD.js');

var _testD2 = _interopRequireDefault(_testD);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.testA = _testA2.default;
exports.testB = _testB2.default;
exports.testC = _testC2.default;
exports.testD = _testD2.default;