Calculate the checksum of a directory of files

dirsum.js

import fs from "fs"
import crypto from "crypto"
import path from "path"

/**
 * Calculate the checksum of a directory of files
 */
const dirsum = async basepath => {
    const hash = crypto.createHash("sha1")
    const dirOpts = { withFileTypes: true }
    for (const f of await fs.promises.readdir(basepath, dirOpts)) {
        const abs = path.resolve(basepath, f.name)
        hash.update(abs)
        try {
            if (f.isDirectory()) {
                hash.update(await dirsum(abs))
            } else {
                hash.update(await fs.promises.readFile(abs))
            }
        } catch (err) {
            console.error(`entry not readable: ${abs}`)
        }
    }
    return hash.digest("hex")
}