gattai-merge

High-performance deep merge with structural sharing.

Install

npm i gattai-merge

import { gattaiMerge } from 'gattai-merge';

const result = gattaiMerge(target, source1, source2, /* ..., */ sourceN, { 
  arrays: 'merge' 
});

Option	Type	Default	Description
`arrays`	`'replace' \| 'concat' \| 'merge'`	`'replace'`	Array merge strategy. `replace`: overwrite with source. `concat`: append source. `merge`: deep merge by index.
`preserveDescriptors`	`boolean`	`false`	If `true`, merge property descriptors via `Object.getOwnPropertyDescriptors`. Preserves getters/setters and flags.