# calculate-from-index-x

> Calculates a fromIndex of a given value for an array.

Latest version **3.1.2** (published 2019-08-28) · MIT license · 0 weekly downloads

## Install

```sh
npm install calculate-from-index-x
pnpm add calculate-from-index-x
yarn add calculate-from-index-x
bun add calculate-from-index-x
```

## Health

**Score 20/100 (F)** — status: abandoned.

Positive: esm support; no vulnerabilities.

Warnings: low downloads; no types.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 3.1.2 |
| Published | 2019-08-28 |
| First published | 2017-08-14 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | ESM + CommonJS |
| Node | >=8.11.4 |
| Dependencies | 4 |
| Unpacked size | 247.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 0 |
| Author | Graham Fairweather |
| Maintainers | xotic750 |
| Keywords | array, fromIndex, module, javascript, nodejs, browser |

## Links

- npm: https://www.npmjs.com/package/calculate-from-index-x
- Repository: https://github.com/Xotic750/calculate-from-index-x
- Issues: https://github.com/Xotic750/calculate-from-index-x/issues
- npm.io page: https://npm.io/package/calculate-from-index-x

## Dependencies (4)

- [to-length-x](https://npm.io/package/to-length-x.md) ^4.2.2
- [to-object-x](https://npm.io/package/to-object-x.md) ^2.2.1
- [to-integer-x](https://npm.io/package/to-integer-x.md) ^4.2.2
- [is-array-like-x](https://npm.io/package/is-array-like-x.md) ^2.1.2

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## Recent versions

- 3.1.2 (latest) — 2019-08-28
- 3.1.1 — 2019-08-20
- 3.1.0 — 2019-08-14
- 3.0.19 — 2019-08-05
- 3.0.18 — 2019-07-31
- 3.0.17 — 2019-07-27
- 3.0.16 — 2019-07-27
- 3.0.15 — 2019-07-26
- 3.0.14 — 2019-07-25
- 3.0.13 — 2019-07-24
- 3.0.12 — 2019-07-24
- 3.0.11 — 2019-07-22
- 3.0.10 — 2019-07-21
- 3.0.9 — 2019-07-19
- 3.0.8 — 2019-07-18
- … 14 more at https://npm.io/package/calculate-from-index-x/versions

## README

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<a name="module_calculate-from-index-x"></a>

## calculate-from-index-x

Calculates a fromIndex of a given value for an array.

<a name="exp_module_calculate-from-index-x--module.exports"></a>

### `module.exports(array, fromIndex)` ⇒ <code>number</code> ⏏

This method calculates a fromIndex of a given value for an array.

**Kind**: Exported function  
**Returns**: <code>number</code> - The calculated fromIndex. Default is 0.  
**Throws**:

- <code>TypeError</code> If array is null or undefined.

| Param     | Type                | Description                                                                                                           |
| --------- | ------------------- | --------------------------------------------------------------------------------------------------------------------- |
| array     | <code>array</code>  | \* The array on which to calculate the starting index.                                                                |
| fromIndex | <code>number</code> | \* The position in this array at which to begin. A negative value gives the index of array.length + fromIndex by asc. |

**Example**

```js
import calcFromIndex from 'calculate-from-index-x';

console.log(calcFromIndex([1, 2, 3], 1)); // 1
console.log(calcFromIndex([1, 2, 3], Infinity)); // Infinity
console.log(calcFromIndex([1, 2, 3], -Infinity)); // 0
console.log(calcFromIndex([1, 2, 3], -1)); // 2
```

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