/** * @fileoverview Enforces render function to always return value. * @author Armano */ 'use strict' const utils = require('../utils') // ------------------------------------------------------------------------------ // Rule Definition // ------------------------------------------------------------------------------ module.exports = { meta: { type: 'problem', docs: { description: 'enforce render function to always return value', categories: ['vue3-essential', 'essential'], url: 'https://eslint.vuejs.org/rules/require-render-return.html' }, fixable: null, // or "code" or "whitespace" schema: [] }, /** @param {RuleContext} context */ create(context) { /** @type {Map} */ const renderFunctions = new Map() // ---------------------------------------------------------------------- // Public // ---------------------------------------------------------------------- return utils.compositingVisitors( utils.defineVueVisitor(context, { onRenderFunctionEnter(node) { renderFunctions.set(node.parent.value, node.parent.key) } }), utils.executeOnFunctionsWithoutReturn(true, (node) => { const key = renderFunctions.get(node) if (key) { context.report({ node: key, message: 'Expected to return a value in render function.' }) } }) ) } }