eslint-config-jhh/rules/variables.js

JHH ESLint config

/**
 * These rules relate to variable declarations
 *
 * @see http://eslint.org/docs/rules/#variables
 */

module.exports = {
    rules: {
        // disallow deleting variables
        'no-delete-var': 'error',

        // disallow labels that share a name with a variable
        'no-label-var': 'error',

        // disallow variable declarations from shadowing variables declared in
        // the outer scope
        'no-shadow': 'error',

        // disallow initializing variables to undefined
        'no-undef-init': 'error',

        // disallow the use of undeclared variables unless mentioned in
        // /*global */ comments
        'no-undef': 'error',

        // disallow unused variables
        'no-unused-vars': ['error', {
            vars: 'local',
            args: 'after-used'
        }],

        // disallow the use of variables before they are defined
        'no-use-before-define': 'error'
    }
}