encoder.tsx

const isNode = typeof window === 'undefined'

// Regex from: https://stackoverflow.com/a/475217/4467741
const encodedRegex = new RegExp('^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$')

export function decode(text: string) {
    return isNode ? Buffer.from(text, 'base64').toString() : atob(text)
}

export function encode(text: string) {
    return isNode ? Buffer.from(text).toString('base64') : btoa(text)
}

export function isEncoded(text: string) {
    return encodedRegex.test(text)
}