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Error handling proposal #234
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,16 @@ | ||
({ | ||
AuthError: class AuthError extends DomainError { | ||
static ALREADY_EXISTS() { | ||
return new AuthError(409, { message: 'User already exists' }); | ||
} | ||
static INVALID_CREDENTIALS() { | ||
return new AuthError(400, { message: 'Incorrect logic or password' }); | ||
} | ||
}, | ||
onError(error) { | ||
const { AuthError } = api.auth.error; | ||
if (error instanceof AuthError) return error; | ||
// handle unexpected, non domain error and return based on error handling logic | ||
return error; | ||
}, | ||
}); |
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Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -5,9 +5,20 @@ | |
}, | ||
|
||
method: async ({ a, b }) => { | ||
const { ExampleError } = api.example.error; | ||
if (typeof a !== 'number') return ExampleError.INVALID_ARG_A(); | ||
if (typeof b !== 'number') return ExampleError.INVALID_ARG_B(); | ||
const result = a + b; | ||
return result; | ||
}, | ||
|
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returns: 'number', | ||
|
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onError(error) { | ||
const { ExampleError } = api.example.error; | ||
// in theory there's no need to trigger onError handler | ||
if (error instanceof ExampleError) return error; | ||
Comment on lines
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to
+20
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. IMO - this should be default behavior of server for DomainErrors with user-error-format. |
||
// handle unexpected, non domain error and return based on error handling logic | ||
return error; | ||
}, | ||
}); |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1 +1,13 @@ | ||
async () => new Error('Return error'); | ||
({ | ||
ExampleError: class ExampleError extends DomainError { | ||
static INVALID_ARG_A() { | ||
return new ExampleError(400, { message: 'Invalid argument: a' }); | ||
} | ||
static INVALID_ARG_B() { | ||
return new ExampleError(400, { message: 'Invalid argument: b' }); | ||
} | ||
static MISSING_COUNTRY_ID() { | ||
return new ExampleError(400, { message: 'Missing country id' }); | ||
} | ||
}, | ||
}); |
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Why not create separate AuthError classes instead?
it should be simpler to manage and use.