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ValidationError.js
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ValidationError.js
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let strReg = /\$\{\s*(\w+)\s*\}/g;
let replace = str =>
params => str.replace(strReg, (_, key) => params[key] || '')
module.exports = ValidationError;
function ValidationError(errors, value, field, type) {
this.name = 'ValidationError'
this.value = value
this.path = field
this.type = type
this.errors = []
this.inner = []
if ( errors )
[].concat(errors).forEach(err => {
this.errors = this.errors.concat(err.errors || err)
if ( err.inner )
this.inner = this.inner.concat(err.inner.length ? err.inner : err)
})
this.message = this.errors.length > 1
? `${this.errors.length } errors occurred`
: this.errors[0]
if (Error.captureStackTrace)
Error.captureStackTrace(this, ValidationError);
}
ValidationError.prototype = Object.create(Error.prototype);
ValidationError.prototype.constructor = ValidationError;
ValidationError.isError = function(err){
return err && err.name === 'ValidationError'
}
ValidationError.formatError = function(message, params) {
if (typeof message === 'string')
message = replace(message)
let fn = ({ path, label, ...params }) => {
params.path = label || path || 'this'
return message(params)
}
return arguments.length === 1 ? fn : fn(params)
}