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path: root/src/helpers/validation-helpers.js
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import { defineMessages } from 'react-intl';
import isEmail from 'validator/lib/isEmail';

const messages = defineMessages({
  required: {
    id: 'validation.required',
    defaultMessage: '!!!Field is required',
  },
  email: {
    id: 'validation.email',
    defaultMessage: '!!!Email not valid',
  },
  url: {
    id: 'validation.url',
    defaultMessage: '!!!Not a valid URL',
  },
  minLength: {
    id: 'validation.minLength',
    defaultMessage: '!!!Too few characters',
  },
  oneRequired: {
    id: 'validation.oneRequired',
    defaultMessage: '!!!At least one is required',
  },
});

export function required({ field }) {
  const isValid = (field.value.trim() !== '');
  return [isValid, window.ferdi.intl.formatMessage(messages.required, { field: field.label })];
}

export function email({ field }) {
  const value = field.value.trim();
  const isValid = isEmail(value);
  return [isValid, window.ferdi.intl.formatMessage(messages.email, { field: field.label })];
}

export function url({ field }) {
  const value = field.value.trim();
  let isValid = false;

  if (value !== '') {
    // eslint-disable-next-line
    isValid = Boolean(value.match(/(^|[\s.:;?\-\]<(])(https?:\/\/[-\w;/?:@&=+$|_.!~*|'()[\]%#,☺]+[\w/#](\(\))?)(?=$|[\s',|().:;?\-[\]>)])/i));
  } else {
    isValid = true;
  }

  return [isValid, window.ferdi.intl.formatMessage(messages.url, { field: field.label })];
}

export function minLength(length) {
  return ({ field }) => {
    let isValid = true;
    if (field.touched) {
      isValid = field.value.length >= length;
    }
    return [isValid, window.ferdi.intl.formatMessage(messages.minLength, { field: field.label, length })];
  };
}

export function oneRequired(targets) {
  return ({ field, form }) => {
    const invalidFields = targets.filter((target) => form.$(target).value === '');
    return [targets.length !== invalidFields.length, window.ferdi.intl.formatMessage(messages.required, { field: field.label })];
  };
}