System.Web.Optimization在最小化javascript时会改变js文件的顺序

本文关键字：js 改变 文件 顺序 Optimization Web 最小化 javascript System | 更新日期: 2023-09-27 18:19:03

当我使用System.Web.Optimization缩小文件时，我观察到一个非常奇怪的行为，我已经使用IBundleOrderer，当我不缩小文件时，它可以很好地保持文件顺序

public class RespectGivenBundleOrder : IBundleOrderer
{
    public IEnumerable<BundleFile> OrderFiles(BundleContext context, IEnumerable<BundleFile> files)
    {
        return files;
    }
}
public static void RegisterTestingBundle(BundleCollection bundles)
    {
        var bundle = new ScriptBundle("~/OnTheMoveWebFiles/bundles/Testing");
        bundle.Orderer = new RespectGivenBundleOrder();
        bundle.Include(
            string.Format("{0}jquery-{{version}}.js", baseJSFolder),
            string.Format("{0}ua-parser.js", baseJSFolder),
            string.Format("{0}OnTheMove_Core.js", baseJSFolder),
            string.Format("{0}OnTheMove_TheApplication.js", baseJSFolder),
            string.Format("{0}OnTheMove_JQMQueryString.js", baseJSFolder),
            string.Format("{0}OnTheMove_OfflineAuditing.js", baseJSFolder),
            string.Format("{0}OnTheMove_DatabaseManager.js", baseJSFolder),
            string.Format("{0}OnTheMove.js", baseJSFolder),
            string.Format("{0}OnTheMove_Offline.js", baseJSFolder),
            string.Format("{0}OnTheMove_DatabaseLoader.js", baseJSFolder),
            string.Format("{0}OnTheMove_DatabaseTestHelper.js", baseJSFolder),
            string.Format("{0}OnTheMove_SmartScriptPlayer.js", baseJSFolder),
            string.Format("{0}jasmine.js", baseJSFolder),
            string.Format("{0}jasmine-html.js", baseJSFolder),
            string.Format("{0}jasmine-jquery-{{version}}.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-GenericMocksAndHelpers.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-DatabaseManager-SiebelToSQL-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-TreeValidator-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-GlobalFunction-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-OnTheMove_BusinessComponent-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove_DatabaseTestHelper-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove_OfflineAuditing-Tests.js", baseJSFolder),
            string.Format("{0}jasmine-OnTheMove-JQueryExtension-Tests.js", baseJSFolder));
        bundles.Add(bundle);
    }

，但当我打开缩小，我得到javascript错误，并通过检查在chrome开发人员工具缩小文件的开始，我可以立即看到，顺序是混乱的。

在即时窗口当我执行var cont = new BundleResolver(BundleTable.Bundles ).GetBundleContents("~/OnTheMoveWebFiles/bundles/Testing")时，我得到

Count = 23
    [0]: "~/OnTheMoveWebFiles/js/jquery-1.7.1.js"
    [1]: "~/OnTheMoveWebFiles/js/ua-parser.js"
    [2]: "~/OnTheMoveWebFiles/js/OnTheMove_Core.js"
    [3]: "~/OnTheMoveWebFiles/js/OnTheMove_TheApplication.js"
    [4]: "~/OnTheMoveWebFiles/js/OnTheMove_JQMQueryString.js"
    [5]: "~/OnTheMoveWebFiles/js/OnTheMove_OfflineAuditing.js"
    [6]: "~/OnTheMoveWebFiles/js/OnTheMove_DatabaseManager.js"
    [7]: "~/OnTheMoveWebFiles/js/OnTheMove.js"
    [8]: "~/OnTheMoveWebFiles/js/OnTheMove_Offline.js"
    [9]: "~/OnTheMoveWebFiles/js/OnTheMove_DatabaseLoader.js"
    [10]: "~/OnTheMoveWebFiles/js/OnTheMove_DatabaseTestHelper.js"
    [11]: "~/OnTheMoveWebFiles/js/OnTheMove_SmartScriptPlayer.js"
    [12]: "~/OnTheMoveWebFiles/js/jasmine.js"
    [13]: "~/OnTheMoveWebFiles/js/jasmine-html.js"
    [14]: "~/OnTheMoveWebFiles/js/jasmine-jquery-1.7.0.js"
    [15]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-GenericMocksAndHelpers.js"
    [16]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-DatabaseManager-SiebelToSQL-Tests.js"
    [17]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-TreeValidator-Tests.js"
    [18]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-GlobalFunction-Tests.js"
    [19]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-OnTheMove_BusinessComponent-Tests.js"
    [20]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove_DatabaseTestHelper-Tests.js"
    [21]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove_OfflineAuditing-Tests.js"
    [22]: "~/OnTheMoveWebFiles/js/jasmine-OnTheMove-JQueryExtension-Tests.js"

显示顺序被保留，但是当我动态地将它最小化时(var contents =BundleManager.GetBundleContents("~/OnTheMoveWebFiles/bundles/Testing");)，我得到

"function TheApplication(){return window.onTheMove.theApplication}function decodeQueryString(n,t,i,r){var f,u={},s,h,e,o;if(i||(i=function(){return}),...

这是OnTheMove_TheApplication.js的开始，而不是我期待的jquery-1.7.1.js。我看到的一个解决方案是将它分成更多的bundle，并尝试以这种方式处理它。
为什么minifier不保持顺序?我的期望错了吗?

System.Web.Optimization在最小化javascript时会改变js文件的顺序

我通过创建扩展来解决这个问题:

public class AsIsBundleOrderer : IBundleOrderer
{
    public virtual IEnumerable<FileInfo> OrderFiles(BundleContext context, IEnumerable<FileInfo> files)
    {
        return files;
    }
}
internal static class BundleExtensions
{
    public static Bundle ForceOrdered(this Bundle sb)
    {
        sb.Orderer = new AsIsBundleOrderer();
        return sb;
    }
}

然后，你可以注册你的bundle 

bundles.Add(new ScriptBundle("~/bundles/home")
            .Include("~/Scripts/leaflet-0.6.4.js")
            .Include("~/Scripts/oms.js")
            .Include("~/Scripts/home.js").ForceOrdered()
        );
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