https://github.com/takuya-nakayasu/eslint-plugin-lookbehind-assertions

ESLint plugin that disallows the use of regular expression lookbehind assertions.
https://github.com/takuya-nakayasu/eslint-plugin-lookbehind-assertions

eslint eslint-plugin

Last synced: about 2 months ago
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ESLint plugin that disallows the use of regular expression lookbehind assertions.

• Host: GitHub
• URL: https://github.com/takuya-nakayasu/eslint-plugin-lookbehind-assertions
• Owner: takuya-nakayasu
• License: mit
• Created: 2021-05-29T10:07:08.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2021-09-11T08:35:56.000Z (over 3 years ago)
• Last Synced: 2024-12-17T19:03:22.608Z (about 2 months ago)
• Topics: eslint, eslint-plugin
• Language: TypeScript
• Homepage:
• Size: 551 KB
• Stars: 3
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# eslint-plugin-lookbehind-assertions

An ESLint plugin that disallows the use of regular expression lookbehind assertions.

[![npm version](https://img.shields.io/npm/v/eslint-plugin-lookbehind-assertions.svg)](https://www.npmjs.com/package/eslint-plugin-lookbehind-assertions)

[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

[![Twitter](https://img.shields.io/twitter/follow/takuya_nakayasu?style=social)](https://twitter.com/takuya_nakayasu)

## Installation

```

npm install --save-dev eslint-plugin-lookbehind-assertions

```

Or

```

yarn add --dev eslint-plugin-lookbehind-assertions

```

## Usage

Modify your `.eslintrc`

```js

// .eslintrc.json

module.exports = {

  "plugins": [

    ...,

    "lookbehind-assertions"

  ],

  "rules": [

    ...,

    "lookbehind-assertions/no-lookbehind-assertions-regexp": "error"

  ]

  ...,

}

```

## Rules

| Rule ID                                                                            | Description                                                   |

| ---------------------------------------------------------------------------------- | ------------------------------------------------------------- |

| [no-lookbehind-assertions-regexp](./docs/rules/no-lookbehind-assertions-regexp.md) | Disallows the use of regular expression lookbehind assertions |

## Examples

Examples of **incorrect** code:

```ts

let re = /(?<=ripe )orange/;

re = new RegExp('(?<=ripe )orange');

```

Examples of **correct** code:

```ts

let re = /\d+(?=%)/;

re = new RegExp('d+(?=%)');

```

## License

MIT