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Let users return Error objects from validators

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This commit is contained in:
Sven Slootweg 2020-07-09 20:57:50 +02:00
parent 955fec8ab1
commit d13a4a8235
1 changed files with 5 additions and 3 deletions
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8
src/compose-rules.js
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@ -40,9 +40,11 @@ module.exports.compose = function composeValidators(validators) {
} else {
throw new Error(`The 'errors' in a validationResult must be an array`);
}
} else if (result instanceof Error) {
// We could interpret returned Errors as either values or a throw substitute. Let's wait for users to file issues, so that we know what people *actually* need here.
throw new Error(`It is currently not allowed to return an Error object from a validator. If you have a reason to need this, please file a bug!`);
} else if (result instanceof Error && matchValidationError(result)) {
return {
errors: [ result ],
newValue: undefined
};
} else {
return {
errors: [],