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Added the ITypeResolver to the ExceptionHandler (#1411)

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Nils Andresen
2024-01-07 00:34:02 +01:00
committed by GitHub
parent a94bc15746
commit 544e6a92df
7 changed files with 98 additions and 41 deletions
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14
docs/input/cli/exceptions.md
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@ -53,7 +53,11 @@ Using the `SetExceptionHandler()` during configuration it is possible to handle
This method comes in two flavours: One that uses the default exitCode (or `return` value) of `-1` and one
where the exitCode needs to be supplied.
### Using `SetExceptionHandler(Func<Exception, int> handler)`
The `ITypeResolver?` parameter will be null, when the exception occurs while no `ITypeResolver` is available.
(Basically the `ITypeResolver` will be set, when the exception occurs during a command execution, but not
during the parsing phase and construction of the command.)
### Using `SetExceptionHandler(Func<Exception, ITypeResolver?, int> handler)`
Using this method exceptions can be handled in a custom way. The return value of the handler is used as
the exitCode for the application.
@ -71,7 +75,7 @@ namespace MyApp
app.Configure(config =>
{
config.SetExceptionHandler(ex =>
config.SetExceptionHandler((ex, resolver) =>
{
AnsiConsole.WriteException(ex, ExceptionFormats.ShortenEverything);
return -99;
@ -84,9 +88,9 @@ namespace MyApp
}
```
### Using `SetExceptionHandler(Action<Exception> handler)`
### Using `SetExceptionHandler(Action<Exception, ITypeResolver?> handler)`
Using this method exceptions can be handled in a custom way, much the same as with the `SetExceptionHandler(Func<Exception, int> handler)`.
Using this method exceptions can be handled in a custom way, much the same as with the `SetExceptionHandler(Func<Exception, ITypeResolver?, int> handler)`.
Using the `Action` as the handler however, it is not possible (or required) to supply a return value.
The exitCode for the application will be `-1`.
@ -103,7 +107,7 @@ namespace MyApp
app.Configure(config =>
{
config.SetExceptionHandler(ex =>
config.SetExceptionHandler((ex, resolver) =>
{
AnsiConsole.WriteException(ex, ExceptionFormats.ShortenEverything);
});