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email.js
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email.js
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'use strict';
const validateEmail = require('email-validator').validate;
const Field = require('./field');
const StringField = require('./string');
/**
* A {@link StringField} which checks if value is a valid email.
*
* @example
* const field = new EmailField();
*
* field.deserialize('SOME.EMAIL@GMAIL.COM'); // returns "some.email@gmail.com"
* field.deserialize('SOME.EMAIL.GMAIL.COM'); // throws validation error
*/
class EmailField extends StringField {
/**
* @param {object} [params]
* @param {boolean} [params.caseSensitive] - disables normalization to lower case
* @param {boolean} [params.optional]
* @param {string} [params.default]
*/
constructor(params) {
super(params);
}
init(params) {
super.init(params);
this.params.trim = true;
}
/**
* @returns {string}
*/
deserialize(value) {
value = super.deserialize(value);
if (!this.params.caseSensitive) {
value = value.toLowerCase();
}
if (value && !validateEmail(value)) {
throw new Field.ValidationError('Value must be a valid email address');
}
return value;
}
}
module.exports = EmailField;