Native SHA hashing in Chrome/Chromium simplified using ES6 Promises

native-hash.js

// https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest

function hash(message = "", algorithm = hash.sha256) {
    return new Promise((resolve, reject) => {
        const textEncoder = new TextEncoder()
        const encodedData = textEncoder.encode(message)
        
        crypto.subtle.digest(algorithm, encodedData)
            .then(arrayBuffer => {
                const hashArray = Array.from(new Uint8Array(arrayBuffer))
                const hashHex = hashArray.map(byte => byte.toString(16).padStart(2, 0)).join("")
                
                return hashHex
            })
            .then(resolve)
            .catch(reject)
    })
}

hash.sha1 = "SHA-1"
hash.sha256 = "SHA-256"
hash.sha384 = "SHA-384"
hash.sha512 = "SHA-512"

export default hash