handle_real_ctl.js
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/**
* 处理线调文件
*/
var fs = require('fs')
, cheerio = require('cheerio')
, minifier = require('./minifier')
, crypto = require("crypto")
, CleanCSS = require('clean-css');
;
var platform = process.platform;
var iswin = platform=='win32';
var sp = platform=='win32'?'\\':'/';
//不参与的目录
var pName = 'bsth_control'
, path = process.cwd()
//根目录
, root = path.substr(0, path.indexOf(sp + 'src'+sp+'main'))
, workspace = root.substr(0, root.lastIndexOf(sp + pName))
//临时目录
, dest = (workspace + sp + pName + '@fatso_copy')//.replace(/\//g, '\\')
, _static = sp + 'src'+sp+'main'+sp+'resources'+sp+'static';
var mainFile = dest + _static + sp + 'real_control_v2'+sp+'main.html';
var aloneMapWrapFile = dest + _static + sp + 'real_control_v2'+sp+'alone_page'+sp+'map'+sp+'alone_wrap.html';
var aloneHomeWrapFile = dest + _static + sp + 'real_control_v2'+sp+'alone_page'+sp+'home'+sp+'home_wrap.html';
var mapFile = dest + _static + sp + 'real_control_v2'+sp+'mapmonitor'+sp+'real.html';
var realCtl = {
/**
* 处理线调首页
*/
handleMain: function (cb) {
//处理main.html
var data = fs.readFileSync(mainFile, 'utf-8'),
$ = cheerio.load(data);
handleCss($, function () {
handleJs($, mainFile, cb);
});
},
/**
* 处理地图模块
* @param cb
*/
handleMap: function (cb) {
//读取文件
var data = fs.readFileSync(mapFile, 'utf-8')
, $ = cheerio.load(data);
handleCss($, function () {
handleJs($, mapFile, cb);
});
},
/**
* 处理单屏地图页面
* @param cb
*/
handleAlonePage: function (cb) {
var data = fs.readFileSync(aloneMapWrapFile, 'utf-8');
var $ = cheerio.load(data);
handleCss($, function () {
handleJs($, aloneMapWrapFile, cb);
});
},
/**
* 处理单屏主页
* @param cb
*/
handleAloneHomePage: function (cb) {
var data = fs.readFileSync(aloneHomeWrapFile, 'utf-8');
var $ = cheerio.load(data);
handleCss($, function () {
handleJs($, aloneHomeWrapFile, cb);
});
}
};
/**
* 处理css
* @type {any}
*/
var handleCss = function ($, cb) {
var cssArray = $('link[rel=stylesheet][merge]');
//按 merge 值分组
var cssMap = {}, mergeName;
for (var i = 0, c; c = cssArray[i++];) {
mergeName = $(c).attr('merge');
if (!cssMap[mergeName])
cssMap[mergeName] = [];
cssMap[mergeName].push(dest + _static + $(c).attr('href'));
//remove
$(c).remove();
}
//按 merge 合并压缩css
var ks = get_keys(cssMap), index = 0;
(function () {
if (index >= ks.length) {
cb && cb();
return;
}
var k = ks[index];
index++;
var f = arguments.callee;
//合并css
new CleanCSS().minify(cssMap[k], function (error, out) {
var data = out.styles;
var fName = (k + '_' + md5(data)) + '.css';
//写入 assets css 目录下
var descFile = dest + _static + sp + 'real_control_v2'+sp+'assets'+sp+'css' + sp + fName;
fs.open(descFile, 'a', function (err, fd) {
fs.write(fd, data, function () {
var tag = '<link rel="stylesheet" href="/real_control_v2/assets/css/' + fName + '"/>';
if ($('head').length > 0)
$('head').append(tag);
else {
if($('link').length > 0)
$('link').last().before(tag);
else
$('div').first().before(tag);
}
console.log(k + ' css', '结束，下一个');
f();
});
});
});
})();
};
/**
* 处理js
*/
var handleJs = function ($, file, cb) {
var scriptArray = $('script[merge]');
//按 merge 值分组
var jsMap = {}, mergeName;
for (var i = 0, s; s = scriptArray[i++];) {
mergeName = $(s).attr('merge');
if (!jsMap[mergeName])
jsMap[mergeName] = [];
jsMap[mergeName].push(dest + _static + $(s).attr('src'));
//remove
$(s).remove();
}
//按 merge 合并压缩js
var ks = get_keys(jsMap), index = 0;
(function () {
if (index >= ks.length) {
write(file, $.html());
console.log(file + ' 结束'); // 移除.green调用
cb && cb();
return;
}
var k = ks[index];
index++;
var f = arguments.callee;
//合并压缩js
try {
// 先合并文件内容
let code = '';
for(let j = 0; j < jsMap[k].length; j++) {
code += fs.readFileSync(jsMap[k][j], 'utf8') + '\n';
}
// 使用Terser压缩
var data = minifier.mini(code);
if (code !== '' && data === '') {
console.error('压缩出错')
process.exit();
}
var fName = (k + '_' + md5(data)) + '.js';
//写入 assets js 目录下
var descFile = dest + _static + sp + 'real_control_v2'+sp+'assets'+sp+'js' + sp + fName;
fs.open(descFile, 'a', function (err, fd) {
fs.write(fd, data, function () {
var tag = '<script src="/real_control_v2/assets/js/' + fName + '"></script>';
if ($('body').length > 0)
$('body').append(tag);
else {
//没有body 就写在尾部
$('*').last().after(tag);
}
console.log(k + ' js', '结束，下一个');
f();
});
});
} catch (e) {
console.error('合并压缩错误:', e);
process.exit();
}
})();
};
var get_keys = function (json) {
var array = [];
for (var key in json) {
array.push(key);
}
return array;
};
function md5(text) {
return crypto.createHash("md5").update(text).digest("hex");
}
function write(file, text) {
fs.writeFile(file, text, function (err) {
if (err) {
console.log(err.toString()); // 移除.red调用
process.exit();
}
console.log(file); // 移除.green调用
});
}
module.exports = realCtl;