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# BigInt support for Acorn [![NPM version](https://img.shields.io/npm/v/acorn-bigint.svg)](https://www.npmjs.org/package/acorn-bigint) This is a plugin for [Acorn](http://marijnhaverbeke.nl/acorn/) - a tiny, fast JavaScript parser, written completely in JavaScript. It implements support for arbitrary precision integers as defined in the stage 4 proposal [BigInt: Arbitrary precision integers in JavaScript](https://github.com/tc39/proposal-bigint). The emitted AST follows [ESTree](https://github.com/estree/estree/blob/master/es2020.md#bigintliteral). ## Usage This module provides a plugin that can be used to extend the Acorn `Parser` class: ```javascript const {Parser} = require('acorn'); const bigInt = require('acorn-bigint'); Parser.extend(bigInt).parse('100n'); ``` ## License This plugin is released under an [MIT License](./LICENSE).