Custom timestamp format

[martincostello]

Support customising the format of the log message timestamps.

Resolves #311.

[codecov]

Codecov Report

Merging #313 (18a6af8) into main (e21b1a5) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #313   +/-   ##
=======================================
  Coverage   99.41%   99.41%           
=======================================
  Files          15       15           
  Lines         340      340           
=======================================
  Hits          338      338           
  Misses          2        2           

Flag	Coverage Δ
linux	99.41% <100.00%> (ø)
macos	99.41% <100.00%> (ø)
windows	99.41% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/Logging.XUnit/XUnitLogger.cs	98.14% <100.00%> (-0.02%)	⬇️
...ogging.XUnit/XUnitLoggerExtensions.IMessageSink.cs	100.00% <100.00%> (ø)
...g.XUnit/XUnitLoggerExtensions.ITestOutputHelper.cs	100.00% <100.00%> (ø)
src/Logging.XUnit/XUnitLoggerOptions.cs	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e21b1a5...18a6af8. Read the comment docs.

[martincostello]

Output examples for en-GB culture:

g

[17/05/2022 10:16] info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
      Request starting HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2
[17/05/2022 10:16] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
      Executing endpoint 'HTTP: POST /api/values'
[17/05/2022 10:16] info: Microsoft.AspNetCore.Http.Result.NoContentResult[1]
      Executing StatusCodeResult, setting HTTP status code 204.
[17/05/2022 10:16] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
      Executed endpoint 'HTTP: POST /api/values'
[17/05/2022 10:16] info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
      Request finished HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2 - 204 - - 32.1164ms

u

[2022-05-17 09:16:52Z] info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
      Request starting HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2
[2022-05-17 09:16:52Z] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
      Executing endpoint 'HTTP: POST /api/values'
[2022-05-17 09:16:52Z] info: Microsoft.AspNetCore.Http.Result.NoContentResult[1]
      Executing StatusCodeResult, setting HTTP status code 204.
[2022-05-17 09:16:52Z] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
      Executed endpoint 'HTTP: POST /api/values'
[2022-05-17 09:16:52Z] info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
      Request finished HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2 - 204 - - 33.1860ms

yyyy-MM-dd HH:mm:ss.fff

[2022-05-17 10:17:36.184] info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
      Request starting HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2
[2022-05-17 10:17:36.205] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
      Executing endpoint 'HTTP: POST /api/values'
[2022-05-17 10:17:36.211] info: Microsoft.AspNetCore.Http.Result.NoContentResult[1]
      Executing StatusCodeResult, setting HTTP status code 204.
[2022-05-17 10:17:36.211] info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
      Executed endpoint 'HTTP: POST /api/values'
[2022-05-17 10:17:36.214] info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
      Request finished HTTP/1.1 POST http://localhost/api/values application/json;+charset=utf-8 2 - 204 - - 32.4704ms