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index.js
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index.js
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function booleanToCallback(fn) {
return function(propertyName, object, callback) {
callback(null, fn(object[propertyName]))
}
}
function createValidator(asyncValidateFn) {
return function(failureMessage) {
return function validate(
propertyName,
readablePropertyName,
object,
callback
) {
var value = object[propertyName]
asyncValidateFn(propertyName, object, function(error, valid) {
if (error) return callback(error, 'Unexpected error')
callback(
error,
valid
? undefined
: failureMessage
.replace(/#\{value\}/g, value)
.replace(/#\{name\}/g, readablePropertyName)
)
})
}
}
}
function createValidatorAllowingFailureMessageOverride(
asyncValidateFn,
defaultFailureMessage
) {
var validator = createValidator(asyncValidateFn)
var defaultMessageValidator = validator(defaultFailureMessage)
defaultMessageValidator.setFailureMessage = validator
return defaultMessageValidator
}
module.exports.booleanToCallback = booleanToCallback
module.exports.createValidator = createValidator
module.exports.createValidatorAllowingFailureMessageOverride = createValidatorAllowingFailureMessageOverride