Encountering issues when attempting to deploy an Angular 8 application locally on IIS, receiving an error stating 'The server is returning a non-JavaScript MIME type of "text/html"'

Trying to deploy my Angular 8 application hosted within my ASP.NET Core application in the wwwroot folder has been a bit challenging. Previously, I had successfully accomplished this by following these steps:

  1. Adjusted the web.config file of the ASP.NET Core web api to utilize 
    ASPNETCORE_ENVIORNMENT=DEVELOPMENT
  2. Set up the angular index.html file with base href pointing to /virtualApplicationName/

While checking the network tab, all static files were downloading without any problems:

https://i.sstatic.net/F7Kve.png

However, I keep encountering this issue: https://i.sstatic.net/2FMGx.png

Does anyone have suggestions on other methods I could try?

Thank you

angulartypescriptasp.net-coreiissingle-page-application

Answer №1

To resolve the issue, update the "target" property in your "tsconfig.json" file to "es5"

"compilerOptions": {
        "target": "es5",
}

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