Learn how to access values from appsettings.json in Typescript files using Angular 2

Currently, I am working with Angular 2 and have my appsettings.json structured as shown below:

"Dummies": {
  "Neck": "test,test1",
}

I would like to know how to retrieve the value of Neck in a TypeScript file. Can you help me with this?

Answer №1

One way to enhance security and streamline your application is by creating a server-side API controller that selectively injects the desired configuration from your appsettings.json file. Your Angular client can then query the server for this information during the ngOnInit() lifecycle hook. If you are working with an MVC app, consider utilizing IConfiguration instead of directly referencing appsettings.json.

Avoid using require for appsettings.json as it poses significant risks.

By including the entire contents of appsettings.json in your main-client.js output at build time, you run the risk of bundling unnecessary data along with sensitive information like connection strings, credentials, and passwords. This not only compromises security but also exposes your application to potential vulnerabilities. Hard-coding configuration settings through require can lead to unintended security breaches in the future, undermining the protection of your appsettings.json file.

Answer №2

Aside from the suggestion provided by Antoine Guittet, another straightforward method involves utilizing the require function.

// fetch data from a json file...
const data = require("path/to/your.json"); 

//... and then treat it as a regular object.
console.log(data);
console.log(data.Dummies.Neck);

The assumed structure of the json file is:

{
    "Dummies": {
        "Neck": "test,test1"
    }
}

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