Sha256: a5d9708f0bda56f5a16affc8f6a7276b0cbb410bb346b2a691ecf5e823dad83e
Contents?: true
Size: 1.27 KB
Versions: 5
Compression:
Stored size: 1.27 KB
Contents
"use strict";
function rebase(result, parent, delta) {
Object.keys(parent).forEach(function(key) {
// If `parent[key]` is `null` it means attribute was deleted in previous
// update. We skip such properties as there is no use in keeping them
// around. If `delta[key]` is `null` we skip these properties too as
// the have being deleted.
if (!(parent[key] == null || (key in delta && delta[key] == null)))
result[key] = parent[key]
}, result)
Object.keys(delta).forEach(function(key) {
if (key in parent) {
var current = delta[key]
var previous = parent[key]
if (current === previous) current = current
// If `delta[key]` is `null` it's delete so we just skip property.
else if (current == null) current = current
// If value is of primitive type (function or regexps should not
// even be here) we just update in place.
else if (typeof(current) !== "object") result[key] = current
// If previous value associated with this key was primitive
// and it's mapped to non primitive
else if (typeof(previous) !== "object") result[key] = current
else result[key] = rebase({}, previous, current)
} else {
result[key] = delta[key]
}
})
return result
}
module.exports = rebase
Version data entries
5 entries across 2 versions & 1 rubygems