Is AjaxMin's EvalTreatment changing the game for JavaScript minification?

While minifying my project using the AjaxMin.dll with the default settings on every build/deployment, I ran into a problem. One of our third-party JavaScript files contains an eval statement that references variables or parameters which, when minified, causes errors in production. So now I realize I need to choose safer settings for the minification process.

The documentation for AjaxMin is not very clear. You can find it here: http://www.asp.net/ajaxlibrary/AjaxMinWithAndEval.ashx

I am using the code (with the DLL) and not the command line. The CodeSettings class has an EvalTreatment option but I am unsure about the best choice...

According to Microsoft's documentation:

using System;

namespace Microsoft.Ajax.Utilities
{
    public enum EvalTreatment
    {
        Ignore = 0,
        MakeImmediateSafe = 1,
        MakeAllSafe = 2,
    }
}

I'm considering either MakeImmediateSafe(1) or MakeAllSafe(2). What do you think?

Any suggestions would be greatly appreciated!

Answer №1

For complete peace of mind that the minified outcomes will reliably function, opt for the MakeAllSafe feature. This guarantees that all variables within the eval statement's scope and its parent scopes remain unchanged.

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