Change Json.net default to camel case causes HMR to stop working #79

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fergalmoran · 2025-08-09T17:14:55Z

fergalmoran commented

2025-08-09 17:14:55 +00:00

Originally created by @sherif-elmetainy on 5/1/2018

Steps to reproduce:

Create a new angular application
dotnet new angular
In Startup.cs constructor type the following code
JsonConvert.DefaultSettings = () => new JsonSerializerSettings() { ContractResolver = new CamelCasePropertyNamesContractResolver() };
Run the app.

Result

Angular will run in production mode and HMR will not be enabled.

Expected Result

Angular should run in development mode and HMR would be enabled.

Reason

The HotModuleReplacement property is serialized as hotModuleReplacement while WebpackDevMiddleware.js file in aspnet-webpack npm package expects it to start with a capital letter.

Workaround

I solved the issue by removing the line that changes Json.net default settings. However, I think a better solution would be putting JsonProperty attributes on the properties that get serialized.

*Originally created by @sherif-elmetainy on 5/1/2018* #### Steps to reproduce: - Create a new angular application ```dotnet new angular``` - In Startup.cs constructor type the following code ```JsonConvert.DefaultSettings = () => new JsonSerializerSettings() { ContractResolver = new CamelCasePropertyNamesContractResolver() };``` - Run the app. #### Result Angular will run in production mode and HMR will not be enabled. #### Expected Result Angular should run in development mode and HMR would be enabled. #### Reason The HotModuleReplacement property is serialized as hotModuleReplacement while WebpackDevMiddleware.js file in aspnet-webpack npm package expects it to start with a capital letter. #### Workaround I solved the issue by removing the line that changes Json.net default settings. However, I think a better solution would be putting JsonProperty attributes on the properties that get serialized.

fergalmoran closed this issue

2025-08-09 17:14:55 +00:00

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Reference: github/JavaScriptServices#79