wix-style-react/src/utils/StringUtils.js

wix-style-react

export const isString = a => typeof a === 'string';

/**
 * a includes b (with case insensitive matching)
 */
export function includesCaseInsensitive(a = '', b = '') {
  return (
    [a, b].every(isString) &&
    (!b || a.toLowerCase().indexOf(b.toLowerCase()) !== -1)
  );
}

export const StringUtils = {
  includesCaseInsensitive,
};