gulp-nui
Version:
Nui框架自动化工具，集成模块合并压缩版本修改
318 lines (285 loc) • 12.3 kB
JavaScript
;
var through = require('through2');
var path = require('path');
var fs = require('fs');
var uglifyjs = require('uglify-js');
var rev = require('./libs/rev');
var mod = require('./libs/module');
var util = require('./libs/util');
var del = require('./libs/del');
var extend = require('extend');
var less = require('./cssmin/less');
var createHash = util.createHash;
var unique = util.unique;
var basePath = path.join(__dirname, '../../');
var isDelete = false;
module.exports = function(opts){
if(!isDelete){
//删除打包资源目录
del(basePath);
isDelete = true;
}
var options = extend(true, {
//项目根目录，修改paths中base的值
base:'',
//配置文件路径
url:'',
//路径别名
paths:{},
//模块别名
alias:{},
//版本号长度
verlen:7,
//是否在配置文件中生成版本映射
vermap:true,
//仅压缩js或者css，为空2个都压缩
mintype:'',
//生成合并css压缩文件
cssmin:true,
//生成合并css sourcemap文件用于调试
cssdebug:true,
//同步资源
//{paths:[], rename:15}
syncAsset:false,
//生成合并js sourcemap文件用于调试
jsdebug:true,
//生成合并js压缩文件
jsmin:true,
//过滤资源文件路径，去除或替换一些特殊符号，返回绝对路径
filterPath:null,
//gulp-watch返回的对象
watcher:null,
//只输出改变过的文件
changed:true,
//babel配置项
babel:null
}, opts || {})
var configContent, configObject;
if(options.url && fs.existsSync(options.url)){
var buffer = fs.readFileSync(options.url);
var content = buffer.toString();
var match = content.match(/Nui.config(\(\{((.|\s)*?)\}\))/);
if(match){
if(typeof options.vermap === 'undefined' || options.vermap === true){
configObject = eval(match[1]);
configObject.maps = {};
configContent = content;
}
match = eval(match[1]);
options.paths = match.paths || {};
options.alias = match.alias || {};
}
}
var paths = options.paths;
paths.base = path.join(path.normalize(options.base || basePath), '/').replace(/\\/g, '/')
for(var i in options.paths){
var _path = options.paths[i];
if(i !== 'base' && !/^((https?|file):)?\/\//i.test(_path) && !/^[A-Z]:/i.test(_path)){
options.paths[i] = path.normalize(paths.base + '/' + _path).replace(/\\/g, '/');
}
}
var syncAsset = {};
if(options.syncAsset){
if(typeof options.syncAsset === 'string'){
syncAsset = {
paths:[options.syncAsset]
}
}
else if(Array.isArray(options.syncAsset)){
syncAsset = {
paths:options.syncAsset
}
}
else if(typeof options.syncAsset === 'object'){
syncAsset = options.syncAsset;
}
if(!Array.isArray(syncAsset.paths)){
syncAsset.paths = [syncAsset.paths]
}
var syncAssets = [];
syncAsset.paths.forEach(function(name){
if(options.paths[name]){
syncAssets.push('(' + options.paths[name].replace(/\\/g, '/') + ')')
}
})
syncAsset.paths = syncAssets.join('|');
if(syncAsset.rename !== false){
if(syncAsset.rename === true || syncAsset.rename === undefined){
syncAsset.rename = 10
}
syncAsset.rename = syncAsset.rename | 0;
}
}
if(options.cssmin === true){
options.cssmin = {}
}
if(typeof options.jsmin === 'object' && options.cssmin){
options.cssmin = extend(true, {
//取消合并重复属性与选择器，设置true的话sourcemap映射会出问题
advanced:false,
//使用IE7模式，向下兼容
compatibility:'ie7'
}, options.cssmin);
}
if(options.jsmin === true){
options.jsmin = {}
}
if(typeof options.jsmin === 'object' && options.jsmin){
if(!options.jsmin.mangle){
options.jsmin.mangle = {}
}
if(!options.jsmin.output){
options.jsmin.output = {}
}
var except = options.jsmin.mangle.except;
if(!Array.isArray(except)){
except = []
}
options.jsmin.mangle.except = except;
options.jsmin.output.keep_quoted_props = true;
options.jsmin.output.quote_style = 1;
}
var babel, _babelOptions = {}, babelOptions = {
compact:false,
code:true,
minified:false,
babelrc:false,
ast:false,
comments:true,
sourceMaps:false
}
if(!Array.isArray(options.babel)){
if(options.babel && options.babel.transform){
babel = options.babel
}
}
else if(options.babel[0] && options.babel[0].transform){
babel = options.babel[0];
_babelOptions = options.babel[1] || {};
}
babelOptions.presets = _babelOptions.presets || ['es2015', 'stage-2'];
babelOptions.plugins = _babelOptions.plugins;
return through.obj(function(file, enc, cb){
if(file.isNull()){
return cb();
}
var dirname = path.dirname(file.path)+'/';
var content = file.contents.toString().replace(/^\s+|\s+$/g, '');
if(!content){
return cb();
}
var loads = content.match(/Nui.load\(['"][^'"]+['"]/g);
var matchs = content.match(/Nui.(load|use)\(['"][^'"]+['"]/g);
var Module = mod(dirname, options);
var _jsmin = !options.mintype || options.mintype === 'js';
var isMaps = matchs && configObject;
if(loads){
matchs.forEach(function(val, i){
if(/^Nui.load/.test(val)){
var id = val.replace(/Nui.load\(/, '').replace(/['"]/g, '').replace(/-min/g, '');
Module.load(id, function(mod){
var names = unique(mod.getNames([]));
var url;
var filename;
for(var i in mod.depmodules){
var _module = mod.depmodules[i];
url = _module.url;
filename = path.basename(_module.id);
break;
}
var imagesPath = path.join(path.dirname(url), '../images/');
var contents = Module.getContents(names, mod.name, imagesPath, syncAsset);
if(fs.existsSync(url)){
if(!options.mintype || options.mintype === 'css'){
var stylePath = path.join(path.dirname(url), '../style/');
var styles = Module.getStyles(unique(mod.loadstyles()), stylePath, syncAsset).join('\n').replace(/\/\*(\s|.)*?\*\//g, function(str){
return str.replace(/[\r\n]+/g, '')
});
var cssmin = stylePath + filename + '-min.css';
var sourcemap = cssmin + '.map';
if((!options.cssmin || options.cssdebug !== true) && fs.existsSync(sourcemap)){
fs.unlinkSync(sourcemap);
}
if(styles){
if(!fs.existsSync(stylePath)){
fs.mkdirSync(stylePath)
}
if(typeof options.cssmin === 'object'){
var sourceMapURL = path.basename(sourcemap) + '?v='+createHash(new Buffer(styles), options.verlen || 7);
styles = less(options, styles, sourcemap, sourceMapURL);
fs.writeFileSync(cssmin, styles);
}
else if(fs.existsSync(cssmin)){
fs.unlinkSync(cssmin)
}
}
}
if(_jsmin){
var jsmin = url.replace(/(\.js)$/, '-min$1');
var jsdebug = path.basename(url.replace(/(\.js)$/, '-debug$1'));
var sourcemap = jsmin+'.map';
if((!options.jsmin || options.jsdebug !== true) && fs.existsSync(sourcemap)){
fs.unlinkSync(sourcemap);
}
if(typeof options.jsmin === 'object'){
try{
if(babel){
contents = babel.transform(contents, babelOptions).code
}
if(options.jsmin){
options.jsmin.fromString = contents;
var files = {};
files[jsdebug] = contents;
if(options.jsdebug === true){
options.jsmin.outSourceMap = path.basename(sourcemap) + '?v='+createHash(new Buffer(contents), options.verlen || 7);
options.jsmin.sourceMapIncludeSources = true;
}
else{
options.jsmin.outSourceMap = false;
options.jsmin.sourceMapIncludeSources = false;
}
var result = uglifyjs.minify(files, options.jsmin);
if(options.jsdebug === true && result.map){
fs.writeFileSync(sourcemap, result.map);
}
if(result){
contents = result.code;
}
}
fs.writeFileSync(jsmin, contents);
}
catch(e){
console.log(e)
}
}
else if(fs.existsSync(jsmin)){
fs.unlinkSync(jsmin)
}
}
}
}, i+1)
}
})
}
if(options.verlen > 0){
if(isMaps){
Module.maps = configObject.maps;
Module.configContent = configContent;
}
var newcon = rev.call(Module, content, dirname, options);
if(isMaps){
configObject.maps = Module.maps;
var _newcontent = configContent.replace(/Nui.config(\(\{((.|\s)*?)\}\))/, function(all, inner, str){
return 'Nui.config('+ JSON.stringify(configObject, null, 4) +')'
})
fs.writeFileSync(options.url, _newcontent);
}
if(options.changed === true && newcon === content){
return cb()
}
file.contents = new Buffer(newcon);
}
this.push(file);
cb();
})
}