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fsk-argparse

v1.1.0

Published

'参数解析'

Downloads

3

Readme

fsk-argparse

参数解析工具

安装

npm install fsk-argparse

示例

var ArgumentParser = require('fsk-argparse');
var argsParser = new ArgumentParser([options]);
argsParser.add('-s', {
  dest: 'start',
  desc: '启动服务器',
  callback: function(args) {
    if (args && args.start === true){
      //启动服务器
    }
  }
});
var args = argsParser.parse();
  • options: 可选参数
    • sync: 是否同步, 默认异步
    • done: 所有事件完成后的回调
    • version: 版本号, 支持-v查看版本号

add

parser.add(argName[, options]);
argName: 参数名 必选
options: 参数配置项 可选

options

dest: 参数全名 不填默认为参数名
desc: 说明
defaultValue: 默认值
sort: 回调函数执行顺序, 按从大到小的顺序执行 3 > 2 > 1这样
required: 是否必选项 此项设为true之后 无此参数则抛出异常
callback: 回调函数 参数 args 解析之后的args 与parse方法返回值相同; 此方法在parse解析完成后执行

parse

parser.parse([arguments])
arguments: 字符串数组 可选, 没有则解析process.argv

更多示例

var ArgumentParser = require('fsk-argparse');
var argsParser = new ArgumentParser();
argsParser.add('-s', {
  dest: 'start',
  desc: '启动服务器',
  callback: function(args) {
    if (args && args.start === true){
      console.log('启动服务器');
    }
  }
});
argsParser.add('-c', {
  dest: 'close',
  desc: '关闭服务器'
});
argsParser.add('-t', {
  dest: 'switch',
  desc: '重置配置文件'
});
argsParser.parse();
>test -s //{start: true, close: null, switch: null}
>test -s start //{start: 'start', close: null, switch: null}
>test -c -c close -t //{start: null, close: [true, close], switch; true}

//同步
var ArgumentParser = require('fsk-argparse');
var argsParser = new ArgumentParser({sync:true});
var result = [];
argsParser.add('test2', {
  sort: 2,
  callback: function() {
    result.push(2)
  }
});
argsParser.add('test1', {
  sort: 3,
  callback: function() {
    result.push(3)
  }
});
argsParser.add('test3', {
  sort: 1,
  callback: function() {
    result.push(1)
  }
});
argsParser.parse(); // result = [3, 2, 1]