var path = require('path');
var fs = require('fs');
var vm = require('vm');
var os = require('os');
/**
* 格式化縮進的個數
*/
function toIndent(indent) {
var s = [];
for (var i = 0; i < indent; i++) {
s.push('\t');
}
return s.join('');
}
/**
* 將數組對象轉換成原始字符串
*/
function array2string(arr, indent) {
var s = ['[', os.EOL], hasProp = false;
for (var i = 0; i < arr.length; i++) {
if (!hasProp) {
hasProp = true;
}
s.push(toIndent(indent + 1));
var item = arr[i];
var itemtp = typeof(item);
if (itemtp === 'object') {
if (item instanceof Array) {
s.push(array2string(item, indent + 1));
} else {
s.splice(s.length - 2, 2);
s.push(object2strng(item, indent).trim());
}
} else {
s.push(JSON.stringify(item));
}
s.push(',');
s.push(os.EOL);
}
if (hasProp) {
s.splice(s.length - 2, 1);
}
s.push(toIndent(indent));
s.push(']');
return s.join('');
}
/**
* 將對象轉換成原始字符串
*/
function object2strng(obj, indent) {
var s = ['{', os.EOL], hasProp = false;
for (var o in obj) {
if (!hasProp) {
hasProp = true;
}
s.push(toIndent(indent + 1));
s.push(JSON.stringify(o));
s.push(':');
var tp = typeof(obj[o]);
if (tp === 'object') {
if (obj[o] instanceof Array) {
s.push(array2string(obj[o], indent + 1));
} else {
s.push(object2strng(obj[o], indent + 1));
}
} else if (tp === 'function') {
s.push(obj[o].toString());
} else {
s.push(JSON.stringify(obj[o]));
}
s.push(',');
s.push(os.EOL);
}
if (hasProp) {
s.splice(s.length - 2, 1);
}
s.push(toIndent(indent));
s.push('}');
return s.join('');
}
//提取正式代碼里的requirejs的配置字符串,并動態執行轉換成json對象; 修改相關的值信息為下邊的打包操作做準備; 并將配置信息再轉成字符串形式寫到臨時文件下
var mainPath = path.resolve(process.cwd(), '../js/main.js');
var mainContent = fs.readFileSync(mainPath, 'utf-8').replace(/(requirejs\.config\()?([^)]]*)(\);)?/gm, '$2');
vm.runInThisContext('var mainCfg= ' + mainContent);//將提取的字符串轉成mainCfg對象
mainCfg.baseUrl = '/static/js/dist/lib';
var nMainCfgStr = 'requirejs.config(' + object2strng(mainCfg, 0) + ');';//重新生成main.js配置文件,為下邊的打包做準備
var buildPath = path.resolve(process.cwd(), './main.js');
fs.writeFileSync(buildPath, nMainCfgStr);
console.log('write temp file main.js fininshed');
//打包的配置信息
var buildJson = {
appDir: '../js',
baseUrl: 'lib',
mainConfigFile: './main.js',
dir: '../js/dist',
modules: [{
'name': '../main',
include: []
}]
};
for (var p in mainCfg.paths) {//這里提取所有的依賴模塊,打包時放到main.js文件下
buildJson.modules[0].include.push(p);
}
var buildPath = path.resolve(process.cwd(), './build_main.json');
fs.writeFileSync(buildPath, object2strng(buildJson, 0));//生成打包配置文件
console.log('wirte temp file build_main.json fininshed');
寫一批處理文件build.bat
@echo off
node build.js
node r.js -o build_main.json
@pause
執行就可以了
posted on 2016-11-01 16:24
SIMONE 閱讀(3896)
評論(0) 編輯 收藏 所屬分類:
nodejs