build-analysis/buildanalysis.js

A file size for analyzing vue build artifacts

#!/usr/bin/env node
console.log("--------正孚软件@1.0.1------ ");
console.log(" ____________ ______ _    _ ");
console.log("|___  /  ____|  ____| |  | |");
console.log("   / /| |__  | |__  | |  | |");
console.log("  / / |  __| |  __| | |  | |");
console.log(" / /__| |____| |    | |__| |");
console.log("/_____|______|_|    | ____/ ");
var fs = require("fs");
//遍历文件夹，获取所有文件夹里面的文件信息
function geFileList(path) {
  var filesList = [];
  readFile(path, filesList);
  return filesList;
}
//遍历读取文件
function readFile(path, filesList) {
  files = fs.readdirSync(path);
  files.forEach(walk);
  function walk(file) {
    states = fs.statSync(path + "/" + file);
    if (states.isDirectory()) {
      readFile(path + "/" + file, filesList);
    } else {
      let obj = new Object();
      obj.size = states.size; //文件大小，默认字节为单位
      obj.name = file; //文件名
      obj.path = path.slice(2) + "/" + file; //文件绝对路径
      filesList.push(obj);
    }
  }
}

//写入文件
function writeFile(fileName, data) {
  fs.writeFile(fileName, data, "utf-8", complete);
  function complete() {
    // eslint-disable-next-line
    console.log("\033[32m -----文件解析成功----- \033[0m");
    console.log("\033[32m ------📦已完成📦----- \033[0m");
  }
}

var filesList = geFileList("./app");
var nowTime = Date.now();
var str = nowTime + "\n";
for (var i = 0; i < filesList.length; i++) {
  var item = filesList[i];
  var desc = item.path + item.name + " " + item.size + "b";
  str += desc + "\n";
}

function formatBytes(bytes, decimals = 2) {
  if (bytes === 0) return "0kb";
  const k = 1024;
  const dm = decimals < 0 ? 0 : decimals;
  const sizes = ["b", "kb", "M", "G", "T"];
  const i = Math.floor(Math.log(bytes) / Math.log(k));
  return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + sizes[i];
}

writeFile("./app/fileSize.txt", str);