Sha256: c6b476b255c0f6c4e4af3dd4aa2a948b675de71d1e0eaa6dd8504fcb8301a184
Contents?: true
Size: 1.15 KB
Versions: 44
Compression:
Stored size: 1.15 KB
Contents
/**
* utilities for hashing config objects.
* basically iteratively updates hash with a JSON-like format
*/
"use strict"
exports.__esModule = true
const createHash = require('crypto').createHash
const stringify = JSON.stringify
function hashify(value, hash) {
if (!hash) hash = createHash('sha256')
if (value instanceof Array) {
hashArray(value, hash)
} else if (value instanceof Object) {
hashObject(value, hash)
} else {
hash.update(stringify(value) || 'undefined')
}
return hash
}
exports.default = hashify
function hashArray(array, hash) {
if (!hash) hash = createHash('sha256')
hash.update('[')
for (let i = 0; i < array.length; i++) {
hashify(array[i], hash)
hash.update(',')
}
hash.update(']')
return hash
}
hashify.array = hashArray
exports.hashArray = hashArray
function hashObject(object, hash) {
if (!hash) hash = createHash('sha256')
hash.update("{")
Object.keys(object).sort().forEach(key => {
hash.update(stringify(key))
hash.update(':')
hashify(object[key], hash)
hash.update(",")
})
hash.update('}')
return hash
}
hashify.object = hashObject
exports.hashObject = hashObject
Version data entries
44 entries across 44 versions & 2 rubygems