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TypeScript Library Upgrade in ASP.NET MVC project

Platform: JavaScript - EJ 2 |
Control: General |
Published Date: January 23, 2019 |
Last Revised Date: March 15, 2019

This documentation explains How to resolve “cannot find name Map” issue in d.ts file.

In JavaScript NuGet package updated latest version, the “cannot find name map” issue occurs due to TypeScript library version. To resolve this, add dom,es2015 library in TypeScript. TypeScript provides msbuild options in Visual Studio for this.

Complier option

MSbuild property

Allowed values



Comma-separated list of strings


Refer https://www.typescriptlang.org/docs/handbook/compiler-options-in-msbuild.html for more details about msbuild.

You should add the <TypeScriptLib>dom,es2015</TypeScriptLib> tag in application ‘csproj’ file. Refer to the following code snippet. 


A simple calendar sample with JavaScript NuGet package has been created and added in the <TypeScriptLib>dom,es2015</TypeScriptLib> in the application’s csproj file.

Sample link: 


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