@molejs/mole-tools/scripts/build-html.js

const fs = require('fs');
const mkdirp = require('mkdirp');
const relative = require('relative');
const path = require('path');
const _ = require('lodash');

const packageJSON = require(path.resolve(__dirname, '../../../../package.json'))
// 生成目录，mkdirp 相当于 'mkdir -p xx/xx' 就是可以递归创建目录
function mkdirSync(path){
  mkdirp.sync(path);
}

// 在指定字符串除插入字符串，isAfter(在该字符串后)
function insStrIndex(oldStr,specifyStr,insStr,fileName,isAfter){
	var arr = oldStr.split(specifyStr);
	if (arr.length !== 2) {
		throw fileName + ".html Don't have Num:" + arr.length + " " + specifyStr + " !";
	}
  if(isAfter){
    arr[1] = insStr + arr[1];
  }else{
    arr[0] = arr[0] + insStr;
  }
	var newStr = arr.join(specifyStr);
	return newStr;
}
// 拼接路径，这里实现的比较渣
function getRelativePath(n) {
  var pth = '';
  while(n>1){
    pth +='../';
    n--;
  }
  return pth;
}

// 遍历目录
function walkDir(path, handleFile, force = true){
  var self = this; // self 是 global对象
  self.files = fs.readdirSync(path); // 读取modules文件夹下的所有文件
  self.files.forEach(function(item) {
      var tmpPath = path + '/' + item;
      var stats = fs.statSync(tmpPath);
      if (stats.isDirectory()) {
          if(item === '.svn'){
              return false;
          }
          force && walkDir(tmpPath,handleFile);
      } else {
          handleFile(tmpPath,stats);
      }
  });
}
// 生成html
function genHtmlFiles(filesPath, isAll){
  //遍历目录
  walkDir(filesPath, function(tmpPath){
    var fileType = tmpPath.split('.').pop().toLowerCase();
    var fileName =tmpPath.split('/').pop().replace(/\.\w+$/, '');
    
    //只处理html
    if(fileType !== 'html'){
      return false;
    }

    dist_dirname = path.dirname(tmpPath.replace(path.sep+'src'+path.sep, path.sep).replace('/packages/italent-core', ''));
    
    if (dist_dirname.indexOf('src') > -1) {
      console.error('不能调整src里面的html')
      return ;
    }
   

    //读取数据
    var data = fs.readFileSync(tmpPath,"utf-8");
    var hasIndexJS, hasIndexCSS , hasBaseJS, hasBaseCSS;
    //检测是否已引入页面js,css和公共js,css
     if(data.indexOf('/' + fileName + '.js') !== -1){
       hasIndexJS = true;
     }
     if(data.indexOf('/' + fileName + '.css') !== -1){
       hasIndexCSS = true;
     }
     if(data.indexOf('<style>') !== -1){
       hasIndexStyle = true;
     }
     if(data.indexOf('/base.js') !== -1){
       hasBaseJS = true;
     }
     if(data.indexOf('/base.css') !== -1){
       hasBaseCSS = true;
     }
     if (data.indexOf('<script  type="text/javascript">') !== -1) {
       hasIndexJSSource = true;
     }
     //手动引入公共js,css
     var insStrCss = "";
     //var baseCssPath = checkFileName('base','.css');
     var p = relative(libPath, dist_dirname).split(path.sep).length - 1;

    let distFileName =  dist_dirname+'/'+fileName+'.html';
    
     var baseFilePre = getRelativePath(p);
     var baseCss = baseFilePre+'public/lib/base.css';
     !hasBaseCSS && (insStrCss += ' <link rel="stylesheet" type="text/css" href="'+baseCss+'">\n    ');
    //  if (!hasBaseCSS) {
    //   insStrCss = '    <link rel="stylesheet" type="text/css" href="'+baseCss+'">\n    ';
    //  }
     var cssfileName = fileName + '.page.css';
     //data = insStrIndex(data,'</head>',insStrCss,fileName);
    //  if (isProduction) {
    //      data = insStrIndex(data,'</head>',insStrCss,fileName);
    //    if (fileExists.sync(dist_dirname + '/' +cssfileName)) {
    //      //读取数据
    //     var cssData = fs.readFileSync(dist_dirname + '/' + cssfileName, 'utf-8');
    //     if (!hasIndexStyle) {
    //       data = insStrIndex(data, '</head>', '<style class="indexcss">'+cssData+'</style>', fileName);
    //     }
    //    }
    //  } else {
    !hasIndexCSS && (insStrCss += '    <link rel="stylesheet" type="text/css" href="./'+cssfileName+'">\n    ');
    data = insStrIndex(data,'</head>',insStrCss,fileName);
     //}

    var insStrJs = "";

    let isIncludeFile = _.some(packageJSON.useLittleFiles, (f) => {
      return distFileName.indexOf(f) > -1;
    });
    var libsJS = isIncludeFile ? baseFilePre+'public/lib/libs.lite.js' : baseFilePre+'public/lib/libs.js';
    !hasBaseJS && (insStrJs += ' <script type="text/javascript" defer src="'+libsJS+'"></script>\n');
    var jsfileName = fileName + '.page.js';
    
    !hasIndexJS && (insStrJs += ' <script type="text/javascript" defer src="./'+jsfileName+'"></script>\n    ');
    data = insStrIndex(data, '</body>', insStrJs, fileName);
  
    mkdirSync(dist_dirname);
    fs.writeFileSync(distFileName, data);
  }, isAll);
  //console.log("共"+htmlCount + '个文件,耗时'+ (new Date().getTime() - time)/1000 + 's 完成');
}
var libPath = path.resolve('./', '../public');

const modifyFile = process.argv.length > 2 ? path.resolve(path.resolve('./', process.argv[3]), '../') :  path.resolve('./', 'src/modules')


genHtmlFiles(modifyFile, process.argv.length < 3); // 这里指的是 ../../modules 创建出来的modules文件