@inkline/inkline/src/helpers/toUnderscoreCase.ts

Inkline is the Vue.js UI/UX Library built for creating your next design system

export function toUnderscoreCase (string: string, from = 'camel'): string {
    const regExp = from === 'camel' ? /([A-Z])/g : /-([a-zA-Z])/g;

    return string.replace(regExp, (match, p) => '_' + p.toLowerCase());
}