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