Prevent a specific directory from being compiled in MSBuild using Typescript

I have a unique ASP.NET MVC / Angular2 project that utilizes MSBuild for compiling my Typescript files. Within the project, there is the complete Angular2 source code along with its NodeJS dependencies, in addition to my own Angular2 code (app.ts, etc.).

The issue I am facing is that MSBuild is compiling every single Typescript file within the entire solution - including the Angular2 source code, its dependencies, and my app.ts code. I specifically want to exclude any Typescript files located in the node_modules folder from being compiled.

My understanding is that typically tsconfig.json files are responsible for excluding certain files or directories from compilation (as discussed in this question), but the .csproj files within ASP.NET projects take precedence over tsconfig.json. Therefore, I am trying to determine what needs to be included in the .csproj file to instruct MSBuild and tsc.exe to avoid compiling specific files or folders.

The guidance provided in the MSBuild Typescript compiler options documentation has not been useful. I am reaching out to see if anyone might have some insights into this situation.

asp.net-mvcangulartypescriptmsbuildcsproj

Answer №1

Your .csproj file should only list your application files for compilation. Make sure to exclude the node_modules folder from your project to avoid any unexpected compilation issues with VS's TypeScript Compiler. In your tsconfig.json, include 

exclude: ['node_modules', 'typings']
to prevent the compiler from touching those folders.

Here is an example of a tsconfig.json with the exclude option:

{
  "compileOnSave": true,
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": true,
    "noImplicitAny": false,
    "suppressImplicitAnyIndexErrors": true
  },
  "exclude": [
    "node_modules", "typings"
  ] 
}

For deployment or publishing, consider bundling up your application to save time and resources. Avoid including the entire node_modules folder as it can be time-consuming and lead to potential issues. Instead, explore tools like SystemJSBuilder with GulpJS, Rollup, or Webpack to streamline your deployment process. These tools can help reduce the size of your JS files significantly, making the deployment process more efficient.

There are various tutorials available for each tool, and communities around them that can provide support. Whether you choose webpack, SystemJS builder, or Rollup, there are resources available to guide you through the bundling process. Consider looking into documentation provided by each tool to facilitate your deployment strategy.

Answer №2

Adding the following line to my csproj file was also necessary.

<TypeScriptCompile Remove="ClientApp\node_modules\**" />

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