What is the best way to reference a JavaScript file located in a C# library project within an ASP.NET MVC project?

Typically, I would navigate to

<script src="~/Scripts/Controls/SomeScript.js"></script>

This script usually locates SomeScript.js in the "Scripts/Controls" directory of the same project as the ASP.NET .cshtml page.

Now, it is time to share the javascript file between two projects. I need to move it to a library project.

What should be the value of the src attribute to find the javascript file in a different project within the same solution? Is there anything else that needs to be done? How do developers typically solve this issue?

I attempted to use "Copy to output directory" on the properties page of "SomeScript.js", which results in the script and its folder being copied to the 'bin' directory. However, Chrome indicates "Not allowed to load local resource" when trying to access .js files in the bin folder.

javascriptasp.netvisual-studio-2013

Answer №1

If you want to ensure that your scripts are in the right place within your project tree, especially for remote server deployment, it's important they are located correctly. Visual Studio offers a helpful option to Add Existing Items as a link. This allows you to symlink items from outside your project tree into a folder inside your project tree, ensuring any changes made to the original file will be reflected in your project. However, if the original file is deleted, the link will be broken.

To make this work effectively, you need to add the following code at the end of the .csproj file before the Project close tag:

<Target Name="CopyLinkedContentFiles" BeforeTargets="Build">
<Copy SourceFiles="%(Content.Identity)" DestinationFiles="%(Content.Link)" SkipUnchangedFiles="true" OverwriteReadOnlyFiles="true" Condition="'%(Content.Link)' != ''" />
</Target>

By editing the .csproj file in this way, Visual Studio will copy the linked file to the location of the link at the end of the build process. This means you can continue referencing ~/Scripts/Controls/SomeScript.js in your project successfully.

Answer №2

When encountering the issue, consider utilizing the following reference to find a solution: Exploration of Server.MapPath("."), Server.MapPath("~"), Server.MapPath(@"\"), and Server.MapPath("/") to understand their differences.

It appears that starting with / as the root directory is recommended for efficient navigation towards your desired destination.

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