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bigint-conversion

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Convert from bigint to buffer (or uint8array), hex string, utf8 string, bas64 and backwards. For both node.js and javascript native.

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# bigint-conversion

Convert to/from non-negative integers represented with [ES-2020 native JS implementation of BigInt](https://tc39.es/ecma262/#sec-bigint-objects) from/to:

- `Buffer` (node.js) or `ArrayBuffer|TypedArray` (native js),
- hex `string`,
- utf8-encoded text `string`,
- standard and url-safe base64 with and without padding.

It provides a common interface for the conversions that works for both **node.js** and **native javascript**.

> Note that there is not a directly visible `TypedArray()` constructor, but a set of typed array ones: `Int8Array()`, `Uint8Array()`, `Uint8ClampedArray()`, `Int16Array()`, `Uint16Array()`, `Int32Array()`, `Uint32Array()`, `Float32Array()`, `Float64Array()`, `BigInt64Array()`, `BigUint64Array()`.

## Usage

`bigint-conversion` can be imported to your project with `npm`:

```console
npm install bigint-conversion
```

Then either require (Node.js CJS):

```javascript
const bigintConversion = require('bigint-conversion')
```

or import (JavaScript ES module):

```javascript
import * as bigintConversion from 'bigint-conversion'
```

The appropriate version for browser or node is automatically exported.

> BigInt is [ES-2020](https://tc39.es/ecma262/#sec-bigint-objects). In order to use it with TypeScript you should set `target` (and probably also `lib`) to at least `es2020` in `tsconfig.json`.

You can also download the [IIFE bundle](https://raw.githubusercontent.com/juanelas/bigint-conversion/main/dist/bundle.iife.js), the [ESM bundle](https://raw.githubusercontent.com/juanelas/bigint-conversion/main/dist/esm/bundle.min.js) or the [UMD bundle](https://raw.githubusercontent.com/juanelas/bigint-conversion/main/dist/bundle.umd.js) and manually add it to your project, or, if you have already installed `bigint-conversion` in your project, just get the bundles from `node_modules/bigint-conversion/dist/bundles/`.

## API reference documentation

[Check the API](./docs/API.md)

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