# diff-ranges

> Give index ranges of difference between two array of objects

Latest version **0.2.0** (published 2019-11-09) · ISC license · 0 weekly downloads

## Install

```sh
npm install diff-ranges
pnpm add diff-ranges
yarn add diff-ranges
bun add diff-ranges
```

## Health

**Score 15/100 (F)** — status: abandoned.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support; pre 1.0.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 0.2.0 |
| Published | 2019-11-09 |
| First published | 2019-11-09 |
| Weekly downloads | 0 |
| License | ISC |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 0 |
| Unpacked size | 2.6 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Author | akshatbhargava123 |
| Maintainers | akshatbhargava123 |
| Keywords | difference, range, range, of, index, arrays, objects |

## Links

- npm: https://www.npmjs.com/package/diff-ranges
- Repository: https://github.com/akshatbhargava123/diff-ranges
- Homepage: https://github.com/akshatbhargava123/diff-ranges#readme
- Issues: https://github.com/akshatbhargava123/diff-ranges/issues
- npm.io page: https://npm.io/package/diff-ranges

## Recent versions

- 0.2.0 (latest) — 2019-11-09
- 0.1.0 — 2019-11-09
- 0.0.5 — 2019-11-09

## README

# diff-ranges

JavaScript function that return index ranges of new objects in an array of objects and also return newly added objects.

## How to use?

### Import

```javascript
const { getDiffIndexRanges } = require('./diff-ranges');

// OR

import { getDiffIndexRanges } from './diff-ranges';
```

### Define your arrays (Example)

```javascript
const a = [
    {
		name: 'val1',
        age: 20
    },
    {
        name: 'val2',
        age: 21
    }
];

const b = [
    {
		name: 'val1',
        age: 20
    },
    {
        name: 'val2',
        age: 19
    },
    {
        name: 'val3',
        age: 21
    },
    {
        name: 'val4',
        age: 20
    }
];
```


### Use it

```javascript
const result = getDiffIndexRanges(a, b, (ai, bi) => ai.name === bi.name);
const indicesRanges = result.rangeIndices;
// [{ startRow: 2, endRow: 4 }]

const newElements = result.newElements;
/*
    [{
        name: 'val3',
        age: 21
    },
    {
        name: 'val4',
        age: 20
    }]
*/
```

### API

```javascript
getDiffIndexRanges(oldArray, newArray, comparatorFunction);
```

---
_Source: https://npm.io/package/diff-ranges · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._