import { ObjectMap } from '@0x/types'; import * as _ from 'lodash'; export const cssRuleIfExists = (props: ObjectMap, rule: string): string => { const camelCaseRule = _.camelCase(rule); const ruleValueIfExists = props[camelCaseRule]; if (!_.isUndefined(ruleValueIfExists)) { return `${rule}: ${ruleValueIfExists};`; } return ''; };