dir-js-minify/bin/release.js

合并压缩目录中js文件

#!/usr/bin/env node


"use strict";

var UglifyJS = require("uglify-js2");
const fs = require("fs");
const path = require("path");
var optimist = require("optimist");
var ARGS = optimist
    .usage("yarn dir-minify -- --o=output --d=2")
        .demand(['o','d'])
        .argv;

var baseDir =ARGS.d;
var outputjs = ARGS.o;

/**
 * 获取需要被处理的文件
 * @param $baseDir
 */
function getNeedMinifyFiles($baseDir) {
    var baseDirFiles = fs.readdirSync(baseDir);
    var file ;
    var jsFiles = [];
    var key;

    for(key in baseDirFiles ){
        file = baseDirFiles[key];
        if(file.indexOf(".js") == (file.length - 3)){
            if(file != 'release.js' && file != 'application.js'){
                jsFiles.push(baseDir +"/" +file);
            }
        }
    }

    return jsFiles;
}
var jsFiles = getNeedMinifyFiles(baseDir);
if(jsFiles.length<=0){
    throw new Error("没有需要压缩的js代码!");
}

var result = UglifyJS.minify(jsFiles, {warnings: false});
if(result){
    fs.open(outputjs,"w",(err,fd) =>{
        if(err){
            console.log(err.toString());
            return;
        }
        fs.write(fd,result.code);
    })
}