eslint-plugin-fp 

ESLint rules for functional programming

Install

``
$ npm install --save-dev eslint eslint-plugin-fp
`

Usage

Configure it in package.json.


`json
{
"name": "my-awesome-project",
"eslintConfig": {
"env": {
"es6": true
},
"plugins": [
"fp"
],
"rules": {
"fp/no-arguments": "error",
"fp/no-class": "error",
"fp/no-delete": "error",
"fp/no-events": "error",
"fp/no-get-set": "error",
"fp/no-let": "error",
"fp/no-loops": "error",
"fp/no-mutating-assign": "error",
"fp/no-mutating-methods": "error",
"fp/no-mutation": "error",
"fp/no-nil": "error",
"fp/no-proxy": "error",
"fp/no-rest-parameters": "error",
"fp/no-this": "error",
"fp/no-throw": "error",
"fp/no-unused-expression": "error",
"fp/no-valueof-field": "error",
"no-var": "error"
}
}
}
`


Rules


- no-arguments - Forbid the use of arguments.
- no-class - Forbid the use of class.
- no-delete - Forbid the use of delete.
- no-events - Forbid the use of the events module.
- no-get-set - Forbid the use of getters and setters.
- no-let - Forbid the use of let.
- no-loops - Forbid the use of loops.
- no-mutating-assign - Forbid the use of Object.assign() with a variable as first argument.
- no-mutating-methods - Forbid the use of mutating methods.
- no-mutation - Forbid the use of mutating operators.
- no-nil - Forbid the use of null and undefined.
- no-proxy - Forbid the use of Proxy.
- no-rest-parameters - Forbid the use of rest parameters.
- no-this - Forbid the use of this.
- no-throw - Forbid the use of throw.
- no-unused-expression - Enforce that an expression gets used.
- no-valueof-field - Forbid the creation of valueOf fields.

Recommended configuration

This plugin exports a recommended configuration that enforces good practices.

To enable this configuration, use the extends property in your package.json.

`json
{
"name": "my-awesome-project",
"eslintConfig": {
"plugins": [
"fp"
],
"extends": "plugin:fp/recommended"
}
}
``

See ESLint documentation for more information about extending configuration files.

MIT © Jeroen Engels