@putout/plugin-declare-before-reference

The ReferenceError object represents an error when a variable hasn't yet been initialized in the current scope is referenced.

(c) MDN

🐊Putout plugin adds ability to apply declare before reference to avoid ReferenceError.

The rule is similar to ESLint's no-use-before-define, but it's auto fixable, and ignores:

Also it works only on top level and helps to @operator/declare with a bunch of nested declarations.

Install

npm i @putout/plugin-declare-before-reference

{
    "rules": {
        "declare-before-reference": "on"
    }
}

const {remove} = operator;

const {types, operator} = require('putout');

const {types, operator} = require('putout');

const {remove} = operator;

Linter	Rule	Fix
🐊 Putout	`declare-before-reference`	✅
⏣ ESLint	`no-use-before-define`	❌