no-ready.js

'use strict';

const utils = require( '../utils.js' );

// $(function(){})
function isDirect( context, node ) {
	return (
		node.callee.type === 'Identifier' &&
		utils.isjQueryConstructor( context, node.callee.name ) &&
		node.arguments[ 0 ] &&
		utils.isFunction( node.arguments[ 0 ] )
	);
}

// $(document).ready()
function isChained( context, node ) {
	return (
		node.callee.type === 'MemberExpression' &&
		node.callee.property.name === 'ready' &&
		utils.isjQuery( context, node )
	);
}

module.exports = {
	meta: {
		type: 'suggestion',
		docs: {
			description: 'Disallows the document ready event, either `$( function() {} )` or `$( document ).ready()`.'
		},
		schema: []
	},

	create: ( context ) => ( {
		'CallExpression:exit': ( node ) => {
			if ( isDirect( context, node ) || isChained( context, node ) ) {
				context.report( {
					node,
					message: '.ready is not allowed'
				} );
			}
		}
	} )
};