arr-merge

Merges primitive and object arrays, optionally grouped by key.

Installation

npm install arr-merge

Usage

Simple arrays

var merge = require('arr-merge');

var arrayA = ['a', 1],
    arrayB = ['b', 1];

var mergedArray = merge(arrayA, arrayB);

Result

['a', 1, 'b', 1]

Object arrays

var arrayA = [{ a: '1' }],
    arrayB = [{ b: '1' }];

var mergedArray = merge(arrayA, arrayB);

Result

[{ a: '1' }, { b: '1' }]

Object arrays grouped by key

var arrayA = [
  { a: '1' },
  { a: '2' },
  { a: '3' }
];

var arrayB = [
  { a: '1', b: '1' },
  { a: '2', b: '2' },
  { a: '4' }
];

var mergedArray = merge(arrayA, arrayB, 'a');

Result

[
  { a: '1', b: '1' },
  { a: '2', b: '2' },
  { a: '3' },
  { a: '4' }
]

Tests

npm test